PCB or small components on flexible ribbon cables

This article delves into the innovative world of flexible printed circuit boards, uncovering their design, advancements, and transformative role in modern engineering applications.

Flexible PCBs in Modern Engineering

This article delves into the fundamentals of EMI gaskets, types, and their critical role in protecting electronic devices and ensuring optimal performance in various engineering applications.

EMI Gaskets: The Unsung Heroes of Electromagnetic Interference Shielding

This article delves into the various types of printed circuit boards, their fundamental concepts, structures, manufacturing processes, and advanced PCB technologies, highlighting their advantages, limitations, and typical applications.

Types of Printed Circuit Boards: A Comprehensive Guide

High-frequency devices, such as those used beyond 5G and 6G technologies, require precise and reliable signal transmission for optimal performance. High-frequency signals are more susceptible to noise interference, which can degrade the quality and integrity of the transmitted data. Noise mitigation is crucial to ensure that the intended signal is accurately received and interpreted.Traditionally, noise-absorbing materials have been used as an effective method of making noise. Noise absorbing materials are generally sheet or sponge type. However, these types are difficult to apply beyond5G/6G devices which become smaller and more complicated.<hr><h3 dir="auto" data-pm-slice="1 1 []" id="isPasted">We are speaking in Boston on 12-13 June 2024 at&nbsp;The Future of Electronics RESHAPED USA.&nbsp;<a href="https://www.techblick.com/electronicsreshapedusa" rel="noreferrer noopener" target="_blank" data-hook="WebLink">Register now and come to hear our talk</a></h3><img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyNjU4MDAyMzA1LVBhbmFzb25pYy1TcGVha2luZyAoQm9zdG9uIDIwMjQpLmpwZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 100%px;" class="fr-fic fr-dib">To solve this problem, we propose a noise-absorbing paste. Dispensable material can be easily installed in narrow spaces, suppressing noise inside electronic devices used in beyond 5G/6G, and contributing to improved quality and performance. Features:<ul><li>Dispensable</li><li>Good conformability</li><li>High frequencies over 100GHz</li></ul><img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyNjU4MDYzNTExLWltZy0xLmpwZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 590px;" class="fr-fic fr-dib">Figure 1: Paste Noise Absorber<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyNjU4MDg3NzIxLXRhYmxlLTEuanBnIiwiZWRpdHMiOnsicmVzaXplIjp7IndpZHRoIjo5NTAsImZpdCI6ImNvdmVyIn19fQ==" style="width: 592px;" class="fr-fic fr-dib">Table 1: Properties<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyNjU4MTQxMTExLWltZy0yLmpwZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 597px;" class="fr-fic fr-dib">Figure 2: Absorption vs frequency<hr><h3>Case 1： For solving cavity resonance. </h3><img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyNjU4MjA1MzExLWltZy0zLmpwZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 632px;" class="fr-fic fr-dib">Figure 3: MMIC on antenna module. Radiation noise of MMIC resonating in the cavity affects the antenna characteristics. (Figure.3). Noise absorbing paste can be installed on small space, and attenuating cavity resonance.<hr><h3>Case 2: For solving noise radiation from board patterns</h3><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712658345791-img-4.jpg" style="width: 574px;" class="fr-fic fr-dib">Figure.4 Noise radiation from board patterns. &nbsp; &nbsp;Noise radiation from board patterns contaminates the antenna circuit, and it affects antenna characteristics. Noise absorbing paste can be installed on circuit and solve noise radiation, because it has insulation properties. <hr><h3>We are exhibiting in Boston on 12-13 June 2024 at&nbsp;The Future of Electronics RESHAPED USA.&nbsp;<a href="https://www.techblick.com/electronicsreshapedusa" rel="noreferrer noopener" target="_blank" data-hook="WebLink">Register now and come to hear our talk</a></h3><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712658438514-Panasonic-We+are+Exhibiting.jpg" style="width: 100%px;" class="fr-fic fr-dib">

Paste Noise Absorber. Properties. Noise radiation from board patterns

Properties and application of paste technology for noise reduction in high frequency (110-170 GHz) electronic devices and packaging . This is a dispensable material can be easily installed in narrow spaces, suppressing noise inside electronic devices used in beyond 5G/6G

Paste Noise Absorber Technology for 5G and 6G Electronics and Packaging

Authors:&nbsp;<a href="https://www.linkedin.com/in/daandekubber/" rel="noreferrer noopener" target="_blank" data-hook="WebLink">Daan de Kubber</a>, <a href="https://www.linkedin.com/in/jurgenwesterhoff/" rel="noreferrer noopener" target="_blank" data-hook="WebLink">Jurgen Westerhoff</a>, <a href="https://www.linkedin.com/in/ben-robesin-4a41096/" rel="noreferrer noopener" target="_blank" data-hook="WebLink">Ben Robesin</a>&nbsp; SPGPrints b.v., Raamstraat 1-3, 5831 AT, Boxmeer, the NetherlandsPrinted electronics have gained significant attention for their potential to revolutionize various industries through cost-effective and scalable manufacturing processes. However, a critical challenge within this domain lies in the transition from lab-scale and pilot equipment to industrial-scale production. We want to shed light on the implications of this transition, emphasizing its impact on cost reduction, repeatability, and time to market.The initial stages of printed electronics development predominantly occur on lab and pilot equipment, where researchers and innovators prototype new applications. As these applications progress towards commercialization, the shift to industrial-scale equipment becomes inevitable. Rotary screen printing emerges as a prominent technique, providing high-throughput capabilities essential for large-scale production.<hr>We are Speaking at the Free-To-Attend On-Line Innovations Festival on 25 April 2024.&nbsp;<a href="https://www.techblick.com/innovation-festival-april-2024" target="_blank" rel="noopener noreferrer">Register to hear our talk, and meet us during the virtual networking</a>. <img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712517684074-SPGPrints+%28Festival-APRIL-2024%29.jpg" style="width: 100%px;" class="fr-fic fr-dib"><hr>We have looked critically at this transition. Investments in Industrial-scale equipment, though substantial, ultimately leads to significant cost reductions in large-scale production. This is essential if manufacturers want to achieve sustainable, cost-effective printed electronics.Moreover, the transition to industrial-scale equipment like Rotary Screen Printing enhances repeatability and quality control. Lab-scale equipment often lacks the precision, required consistency and capacity for mass production. In contrast, industrial-scale tools offer robust control mechanisms, ensuring consistent output across large volumes. This shift results in higher product quality consistency, reducing defects and improving overall yield rates.A great example of a printed electronics application that is moving into high-volume industrialized scale are the printed e-paper displays by our partner Ynvisible. Their products are used on smart labels, IoT devices, retail signage and many more markets. Ynvisible even shares their know-how in scaling up printed electronics with other companies in the flexible solar and printable battery space.<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712517725631-Img-1.jpg" style="width: 100%px;" class="fr-fic fr-dib">Printed ultra-low-power display for use in retailIf we take the e-paper example and run it through our break-even <a href="https://www.spgprints.com/printed-electronics-calculator?hsCtaTracking=35adfcbb-b27b-4123-9872-3bf81acad083%7Cda23b58a-7bd3-4c3a-99b7-2362dea12b57" rel="noreferrer noopener" target="_blank" data-hook="WebLink">calculator</a> you see that for a yearly production of 3.5 million screens the Rotary Screen Printing solution starts to become more profitable within 3 years of production. This shows that you need relatively high volumes to justify the investment in a full SPGPrints Rotary screen printing line, but it will pay off and will ensure steady profitable business in the long run. Of course SPGPrints also offers screen printing units that can be integrated into an existing or custom built line, changing the business case significantly. Next to owning the equipment SPGPrints (and our network of print service providers) offers Production-as-a-Service including application development consultancy.<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712517753534-Img-2.jpg" style="width: 100%px;" class="fr-fic fr-dib">This is a calculation showing the cost per printed unit comparison between typical flat-bed screen printing and a full SPGPrints rotary screen printing line.It is imperative to acknowledge that transitioning equipment mid-development cycle extends the time to market. This delay arises from the need to recalibrate processes, optimize formulations, and adapt to the unique characteristics of industrial-scale equipment. This delay represents a critical trade-off, where time saved in large-scale production is weighed against the extended development phase.In conclusion, the transition from lab-scale and pilot equipment to industrial-scale production, like Rotary Screen Printing, plays a pivotal role in advancing printed electronics. While the cost reductions and enhanced repeatability are substantial benefits, it is important to recognize the inherent time-to-market trade-off associated with this transition. In this paper we will show some examples of how choosing for industrial-scale equipment at an early stage in development, saves time and money in the long run. Additionally, we will provide a calculation method to evaluate the most suitable production equipment for a specific application.Read more about our offerings online: <a href="https://www.spgprints.com/applications-printed-electronics" rel="noreferrer noopener" target="_blank" data-hook="WebLink">SPGPrints | Applications | Printed Electronics</a><hr><a href="https://www.techblick.com/exhibitors-2024-boston" rel="noreferrer noopener" target="_blank" data-hook="WebLink">We are exhibiting in Boston at the Future of Electronics RESHAPED</a>&nbsp;on 12-13 June 2024.&nbsp;<a href="https://www.techblick.com/electronicsreshapedusa" rel="noreferrer noopener" target="_blank" data-hook="WebLink">Register now and visit our booth</a>.<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712517816523-SPG+Prints-Booth+Slide.jpg" style="width: 100%px;" class="fr-fic fr-dib">

Printed ultra low-power display for use in retail

Transitioning from Lab-scale in Printed Electronics: Going from lab and pilot equipment to rotary screen printing.  Learn about example applications in printed low-power displays for use in retail as well as cost-per unit calculation comparing flat-bed vs. rotary screen printing for mass production

Bridging the Divide: Transitioning from Lab-scale to Industrial-scale Equipment in Printed Electronics Development

Is there anything better than a good cup of coffee? It's devine when it's hot, and deliciously refreshing when it's iced.&nbsp;…But room-temperature coffee? Not so great.&nbsp;For most adults around the world, brewing a hot cup of coffee is an established part of our morning routine. But when you have a busy day, it’s easy to get preoccupied and neglect your coffee until it cools to an unpleasant temperature.Duru Uluk, a Voltera test engineering intern, set out to find a solution to this problem. Her goal was to create an induction mug heater using in-mold electronics (also known as in-mold structural electronics).In-mold electronics (IME) processes involve printing conductive inks on moldable plastic films, which are then formed into a desired 3D shape. In the full IME process, after thermoforming, the part is passed along to injection molding, where it is molded in plastic and the electronics become part of the entire structure.&nbsp;In IME, the electronics are printed using a standard process of screen-printing traces onto thermoformable plastics, but new innovative materials — like specially formulated functional inks optimized for high single-stretch operation — allow the traces to stretch into the new thermoformed shape and maintain conductivity.&nbsp;This technology is particularly exciting for automotive and aerospace applications, where thousands of feet of copper wire could be replaced with conductive traces integrated directly into the vehicle’s panels to reduce the vehicle’s weight and improve efficiency. Incorporating IME into vehicle construction also presents opportunities for new design concepts, features, and functionality — like the ability to incorporate strain sensors directly into panels to monitor for damage, interactive surfaces in the interior vehicle panels, or to heat and de-ice the wing of an airplane during flight.&nbsp;In the image below, all the red components identify the wire in a vehicle:<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712283732859-63b49367152a021e60088642_3ZoHWv-Zic4V11X_3xOkWv831wmyc-hbLHIuslxurYTiXj6bsTy7zNxC97dVW-rYkGLgtJeYYhR5KCm91dpma-EpW2wOgcFG4d_InqrlcJFlFDp3zdS57GulmRe_iM-7DsUkP7ZUhs4RA1FXQ5HbMhmn9_Hgoqkd0BlsUhtZOuHgArS5v-Nn0GG6gaZX3.png" style="width: 100%px;" class="fr-fic fr-dib"><ul id="isPasted"><li>One vehicle has 5000 feet of wires = 50 lbs of copper.</li><li>Transporting 50 lbs burns 12 L of gas per year.</li><li>70,000,000 new cars produced per year.</li><li>840,000,000 L of gas is burned to transport copper cables per year.</li></ul>‍In addition to this example of copper wire, IME offers plenty of other opportunities to reduce the mass of many vehicle components, like the headlight assembly, dashboard, center console, and more.<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712283763549-63b49367f5596f24c741daec_4ZpHDUtkWx5wmeYtb6X6YjGlsuiVxdPXJ3H64MFHHtiDpTG1Bil6Mat9evncEvLP-DsCX7T2TC63nZtB5DzKQI8Vs98V-vE0R6e3Xbh6oy2iLiPHV6t7InCwE-C3-Mv_9XaLvGjKOrAfnppvIszjmAkMSYyGpSKIKpmn1A621NCHPe04dRGFy75i-Om81.png" style="width: 100%px;" class="fr-fic fr-dib"><a href="https://www.idtechex.com/en/research-article/what-does-2023-hold-for-printed-flexible-electronics/28172" target="_blank" id="isPasted">IDTechEx</a> anticipates the mainstream adoption of in-mold electronics in automotive interiors to begin in 2023, and is forecasting that electronics will be printed onto 3D surfaces, like door panels, in 2026.&nbsp;<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712283778550-63b49367684ec45971bc70ac_9Gf654z1WMdopCZ5ZMfeK0mO-ZCYnQ1bpkpRVMCY4A4crd2KzqLzh6pao8OoT3ACsO7xnDTdqSfhdTUkRLs-flCOWGlTTjWUHQElpJ__YKFBoiHltw43eQPxsSzSt6DFJUnZ7ONaolf9Fv32CugpbDAMtWnRMf7bRfl-XDBMCBhXX--1QKBBwFR8jUAWd.png" style="width: 100%px;" class="fr-fic fr-dib">Roadmap for selected emerging printed/flexible electronics technologies. Source: IDTechExBut let’s get back to Duru’s coffee conundrum.&nbsp;Using&nbsp;<a href="http://voltera.io/nova" target="_blank">NOVA</a>, a&nbsp;<a href="https://mayku.me/formbox" target="_blank">Mayku Formbox</a>, and a&nbsp;<a href="https://formlabs.com/3d-printers/form-2/" target="_blank">Formlabs 3D printer</a>, Duru designed and built a mug heater with in-mold electronics technology.&nbsp;“During my co-op term at Voltera, Matt (Ewertowski, Product Manager) was my supervisor and also just a super cool person to talk to. We had conversations about different applications of NOVA and how flexible substrates open doors to a lot of different project ideas,” Duru recalled. “He suggested the idea of using the Mayku Formbox alongside NOVA for an in-mold electronics project. I did some research about making molds, molded electronic applications, and coil heaters — and from there it seemed feasible enough to continue with a demo.”&nbsp;So, Duru got to work. First, she used the Formlabs Form 2 3D printer to create a resin mold, and then used NOVA to print traces onto the Mayku Formbox substrates. Finding the optimal baking temperature for the Mayku substrates was a bit of a challenge, since they aren’t intended for IME, but with some experimentation and a bit of help from Mayku, she eventually found the right temperature and baking time to avoid substrate deformation. Once the curing temperature was refined, Duru encountered trace breakage during the forming process. Through some trial and error, Duru refined the design of the mold and the traces until she was successful in creating a design that could be thermoformed and maintain conductivity.&nbsp;<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712283802120-63b49367bedfeccaa9cf2122_18Qk-iwOjIp00g_snsqEE-x33qu6yTIyGZgI7LuwCgRcaZM_MqpFYbKCYiJuFZBouwEXx12yQES8yTL8EyCsHTZdx9tJe3hHoxa_25BT4I0v1AKIbJnATzxzcMlx7Sax3lK_uGQrK_F9idp-Fxa-5rsh0MAJA5HS_IV8y-YJOUrY7bGJacjQY-0kMgNi_.png" style="width: 100%px;" class="fr-fic fr-dib">“It took several iterations to achieve a design that ensured a fully conductive trace with no breaks. When the baked print goes into the Mayku Formbox, the substrate is being heated and deformed,” she explained. “There are so many factors to consider. Will the conductive ink be damaged? Will the substrate be damaged? That required a lot of correspondence with people to get information about melting points and what not, including <a href="https://insulectro.com/" target="_blank" id="isPasted">Insulectro</a>, who supplied us with the ink — they really helped out. But the biggest issue was of course the sharp angle of the mold, causing the trace to be deformed to a point where it is no longer conductive. And that’s why I had to gradually reduce that angle and on the trace edges.”&nbsp;<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712283815611-63b493679710e828f9389688_waXyaVYzojKJhCnZk3L-4449I7fgizrTBOeX5J_OFFrewsSraWdgajH_SZWHidk2TmHiCQQyixG-GXwRC5MjWiTqBm1HuSU0SPIVCTu_nf4hCdQgQfHpeLhQ5nWupJ7h9OA6rmDnQfC3-dykkJzPrYl_hx-uljy8UhHay90NQDdw1DOL--90k-rxEUl0.jpeg" style="width: 100%px;" class="fr-fic fr-dib">Despite the challenges of the project, Duru loved working with <a href="https://www.youtube.com/watch?v=T62cUY8uj8M" target="_blank" id="isPasted">NOVA</a>. “Everyday I was excited to use the NOVA just because of how cool it is. The user interface is super easy to use, the modular design and the way everything magnetically clicked into place, the sounds, the lights, etc.” she noted. “I also love NOVA’s ability to work with various substrates. I worked a lot with flexible substrates during my time at Voltera, so the vacuum feature was being used frequently.”<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712283834936-63b4936799db03ad4a1aacaf_ZS6BCi4fHe5wPMhX5X845YVFQK8foJ0C90XCCX2Q0EIZFQ_TL2AX2fVH2gvyMzbL3mfu1mFjlED5rciLDX-kYKeIIYwMn4lQYjsoLvpLbzf2P3dVsHL8YTW0Qjss0gFxsrC5DuwivgbeDPpdGys4vfyDzQ2fmShgr4FPqtWeknJUgW3gxonzz5EeLXoV.jpeg" style="width: 100%px;" class="fr-fic fr-dib">In Duru’s eyes, there are so many exciting applications for the technology. “In biomedical applications, for example, you could use in-mold electronics to build medical tools or prosthetics that are ergonomic and accessible, with electronic components integrated through in-mold processes — to easily incorporate electronics into things that have awkward shapes, or have been challenging to design using traditional methods. And in cases like these, being able to use NOVA to build electronics that fit a specific, custom shape may be a great advantage.”&nbsp;The experience of working with NOVA was inspiring for Duru, and piqued her interest in electronics innovation. “During my time working with NOVA I gained a big interest in additive electronics and learned a foundation of knowledge (about conductive inks, substrates, rheology) that I still bring up at every chance I get,” she said. “I also got inspired to tinker more. Having access to benchtop tools like the NOVA would enable people to tinker freely and try new things — which is beneficial to the engineering iteration process.”&nbsp;Working at Voltera also impacted Duru’s career aspirations. “Many of my co-op placements have been R&amp;D specific. During my future career I think I’d like to work in spaces where I have access to tools like NOVA while doing R&amp;D work and product development. My perspective has shifted to appreciate the potential of additive electronics in&nbsp;<a href="https://www.researchgate.net/publication/361717600_Inkjet_and_Extrusion_Printed_Silver_Biomedical_Tattoo_Electrodes" target="_blank">biomedical applications</a> — for example the&nbsp;<a href="https://uploads-ssl.webflow.com/6334888a34bfac03b46aa715/633c55566e5bffe8db61ba27_NOVA-0082%20-%20Insole%20Case%20Study_v2.pdf" target="_blank" data-lf-fd-inspected-kn9eq4roawkarlvp="true">in-sole pressure sensor</a> project I did, or things like wearable biomarker sensors.”And now, thanks to her in-mold mug heater, Duru can iterate for hours and never have to worry about her coffee getting cold.&nbsp;

Duru Uluk, a Voltera test engineering intern, created an induction mug heater using in-mold electronics (also known as in-mold structural electronics).

Warming Your Coffee with In-Mold Structural Electronics

Mike Simmons, Matthew Kleyn, Joseph Vlach, Liz Josephson; Intellivation LLCThe demand for high-performance devices with enhanced functionalities continues to grow. Materials, such as graphene and MoS2, exhibit unique electrical and mechanical properties making them ideal for flexible electronic applications. To meet the rising demand and requirements for flexible 2D microelectronics devices manufactured using Roll to Roll technology, we use innovative manufacturing techniques including vacuum coatings in combination with laser technology. Laser patterning of sputtered coatings provides the ability to achieve high-volume production with precision, functionality and efficiency for a wide range of flexible applications.Sputter deposition is a widely used technique for depositing thin films onto substrates. For flexible 2D microelectronics, sputtered coatings serve as the foundation for building functional devices. Sputtering involves bombarding a target material with ions to eject atoms or molecules, which then deposit onto a substrate to form a thin film. This process allows for precise control over the thickness and composition of the deposited film, making it a preferred method for creating uniform and reproducible coatings. &nbsp;Sputtered layers were deposited using Intellivation’s R2R Lab system. Sputtering provides an excellent method for depositing coatings uniformly over large areas, while laser patterning can create discrete devices, circuits, and other types of discontinuous features required for manufacturing. &nbsp;Using these two techniques in combination provides unique capabilities, particular during product development. &nbsp; Photolithography requires multiple steps and is time consuming, it also requires geometric commitment of features at early stage of design. &nbsp;Laser patterning offers a direct and efficient way to create and define patterns on sputtered coatings including changes in geometry while providing consistent feature size and edge quality.Laser patterning uses a laser beam to selectively remove or modify specific areas of deposited films enabling the generation of intricate patterns with submicron-level precision. &nbsp;Control and precision of the laser is critical and the non-contact nature of laser patterning reduces the risk of contamination and damage to the underlying substrate, ideal for delicate 2D materials. &nbsp;This technique provides the ability to develop and then validate a design and process in small volumes and then easily transfer to large area roll-to-roll production without changes to the laser processing equipment.<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTYwNzI0ODg3LVNjcmVlbnNob3QgMjAyNC0wNC0wMyAxNTQwMzkuanBnIiwiZWRpdHMiOnsicmVzaXplIjp7IndpZHRoIjo5NTAsImZpdCI6ImNvdmVyIn19fQ==" style="width: 100%px;" class="fr-fic fr-dib"><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712209387228-Boston-2024-email.jpg" style="width: 100%px;" class="fr-fic fr-dib">Join us and Intellivation at TechBlick's Future of Electronics RESHAPED conference and exhibition in Boston | June 2024 https://www.techblick.com/electronicsreshapedusaDeposition of the conductive material onto the substrate was done with Intellivation’s R2R thin film vacuum deposition Lab coater , it is then laser patterned or the laser is used to isolate regions to crystallize them for interfacing with subsequent layers. Once the substrate, layer stacks and laser variables are optimized, the next phase is to scale these devices to large area R2R processing. <img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTYxMDkyODYyLVNjcmVlbnNob3QgMjAyNC0wNC0wMyAxNTQzMzAuanBnIiwiZWRpdHMiOnsicmVzaXplIjp7IndpZHRoIjo5NTAsImZpdCI6ImNvdmVyIn19fQ==" style="width: 100%px;" class="fr-fic fr-dib">The combination of laser patterning and sputtered coatings has unlocked new possibilities in the high-volume production of flexible 2D microelectronics. This innovative approach addresses the demand for devices with enhanced performance, precision, and scalability. A roll-to-roll approach offers several significant advantages in terms of efficiency, cost and adaptability.&nbsp;<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712209445705-660d896c5506c37659840c4f.jpg" style="width: 768px;" class="fr-fic fr-dib">Intellivation will be exhibiting at TechBlick's Future of Electronics RESHAPED conference and exhibition in Boston | June 2024 https://www.techblick.com/electronicsreshapedusa

R2R Sputtering + Direct Laser Patterning is a great way to create large-area circuits on flexible circuits, even with materials such as graphene or MoS2.  The technology R2R produces high-quality uniform films on large substrates whilst the laser forms precision circuit patterns without photolith.

Flexible Microelectronic Devices produced with Sputtered Coatings and Laser Patterning

How to extend the pot life of silicone to several months without changing its material properties? Ulrich Trog [Ulrich.Trog@joanneum.at | JOANNEUM RESEARCH] explains in this article how this is possibleJOANNEUM RESEARCH offers the formulation of the appropriate compound based on feasibility studies of the silicones used by its customers. Licences for the Supresil™ technology are available.Platinum (Pt)-cured silicones are gaining in popularity, emphasising addition curing over traditional peroxide methods. This process ensures purity and efficacy, resulting in products with increased strength and superior aesthetics. The rise of Pt-curing marks a significant shift in silicone manufacturing techniques, promising unmatched quality and durability in a variety of applications. When crosslinking is initiated, the curing process starts almost immediately and the resulting silicone typically has a pot life limited to a maximum of a few hours at room temperature. This places significant&nbsp;practical and technological limitations on its use:<ul><li style="font-weight: bold;">short processing time</li><li style="font-weight: bold;">anufacturing waste</li><li style="font-weight: bold;">difficult reproducibility</li><li style="font-weight: bold;">inflexible manufacturing process</li></ul>Our patented formulation greatly increases pot life via reversible inhibition of the crosslinking via hydrosilylation. After deposition, the inhibitors evaporate easily. Normal crosslinking occurs at mild temperatures, even below 80 °C, leading to a fast and complete curing.<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM1MDMxNDE2LVNjcmVlbnNob3QgMjAyNC0wNC0wMyAwODM1MjcuanBnIiwiZWRpdHMiOnsicmVzaXplIjp7IndpZHRoIjo5NTAsImZpdCI6ImNvdmVyIn19fQ==" style="width: 100%px;" class="fr-fic fr-dib">Join the Future of Electronics RESHAPED event in Boston on 12 &amp; 13 June 2024. Learn more <a href="https://www.techblick.com/electronicsreshapedusa" target="_blank" rel="noopener noreferrer">https://www.techblick.com/electronicsreshapedusa</a>Benefits<ul><li>reduces production costs: the pot life of silicone mixtures can be extended to several months and beyond</li><li>enables (3D) printing: shelf stable, 1-component silicone inks can be formulated for use with a variety of printing processes including processes like dispensing, screen-printing, aerosoljet-printing, inkjet printing and others</li><li>no change in material properties: through the complete and trace-free removal of the inhibitor during the curing process there is no change in the material or its properties</li><li style="font-weight: bold;">applicable to liquid Silicone rubber (LSR) and high consistency rubber (HCR)</li><li>suitable for all Pt-cure resins: no curing at processing temperature and normal curing at curing temperature, orthogonal with other inhibitors</li><li>environmental: reduction in waste generation in production process</li></ul>Application examples<ul><li>LED production: Supresil™ resins reduce the processing efforts and increase the yield of colour conversion materials without changing their optical properties. The Supresil™ inhibited silicones can be mixed with colour conversion phosphors in large batches, increasing the accuracy and consistency of the colour conversion composites through improved wetting and distribution of the dispensed material and a better dispersion of the phosphors.</li></ul><img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM1MjMxMzE4LXVubmFtZWQucG5nIiwiZWRpdHMiOnsicmVzaXplIjp7IndpZHRoIjo5NTAsImZpdCI6ImNvdmVyIn19fQ==" style="width: 100%px;" class="fr-fic fr-dib"><ul><li>3D printing: Standard LSR formulations are optimised for extrusion and injection moulding machines and are not suitable for 3D printing. By adjusting the rheological behaviour and extending the pot life using JOANNEUM RESEARCH‘s proprietary reversible curing inhibition, 3D printing is now possible.</li></ul><img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM1MjgxMjMxLXVubmFtZWQgKDEpLnBuZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 100%px;" class="fr-fic fr-dib">All material properties of the silicones are preserved (through complete and trace-free removal of the inhibitor):<ul><li>physical: shrinkage, Shore hardness, storage modulus</li><li>optical: UV/VIS transmission, no „yellowing“, refractive index</li><li>biocompatibility: relevant for medical grade resins / formulations</li><li>unaltered production: viscosity, reproducibility</li></ul><img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM2MTQzMjU0LXVubmFtZWQgKDYpLnBuZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 100%px;" class="fr-fic fr-dib">Fig. 1: Comparison of curing dynamics of standard silicone resins with SupresilTM inhibited resins<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM1ODI4NTM0LVNjcmVlbnNob3QgMjAyNC0wNC0wMyAwODQyNTAuanBnIiwiZWRpdHMiOnsicmVzaXplIjp7IndpZHRoIjo5NTAsImZpdCI6ImNvdmVyIn19fQ==" style="width: 100%px;" class="fr-fic fr-dib"><a href="https://www.techblick.com/exhibitors-2024-berlin" target="_blank" rel="noopener noreferrer">We are Exhibiting in Berlin!</a> Come and visit our booth<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM1OTA5NzAxLXVubmFtZWQgKDMpLnBuZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 100%px;" class="fr-fic fr-dib">Fig. 2: UV/VIS Transmission of cast silicones (100 µm) for the LED productionJOANNEUM RESEARCH is a publicly owned, Austrian Research and Technology Organisation. It is successful nationally and internationally in the fields of “Information and Production Technologies”, “Human Technologies and Medicine” and “Society and Sustainability”AUTHOR: Ulrich Trog [Ulrich.Trog@joanneum.at |JOANNEUM RESEARCH]&nbsp; <img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM2MDU0MjI5LXVubmFtZWQgKDQpLnBuZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 100%px;" class="fr-fic fr-dib">All images: © JOANNEUM RESEARCH<img src="https://images.wevolver.com/eyJidWNrZXQiOiJ3ZXZvbHZlci1wcm9qZWN0LWltYWdlcyIsImtleSI6ImZyb2FsYS8xNzEyMTM2MTA3NzU0LXVubmFtZWQgKDUpLnBuZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6OTUwLCJmaXQiOiJjb3ZlciJ9fX0=" style="width: 100%px;" class="fr-fic fr-dib">&nbsp;&nbsp;<img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1712137051266-Screenshot+2024-04-03+084405.jpg" style="width: 100%px;" class="fr-fic fr-dib">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="https://www.techblick.com/" target="_blank" rel="noopener noreferrer">TechBlick.com</a>

How to extend the pot life of silicone without change in properties for applications in 3D Printing, LED lighting, LED backlights, and others

Extending the pot life of silicones to several months: LEDs, 3D printing and beyond

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Author: Masoud Mahjouri-Samani, PhD |&nbsp;NanoPrintek | <a rel="noopener noreferrer" href="mailto:info@nanoprintek.com" target="_blank">info@nanoprintek.com</a>Modern technology and the move toward the Internet of Things have escalated the demand for innovative and efficient printing techniques, particularly in electronics and functional devices. Traditional ink-based printing methods have long been the standard, but now NanoPrintek’s dry multimaterial printing technology has emerged as a disruptive alternative, offering numerous advantages over its ink-based counterparts. The technology’s on-demand and in-situ nanoparticle generation and real-time sintering capability allow the printing of various electronics and functional devices with pure, multifunctional, hybrid materials printing. This thus opens the path to electronics printing and other applications ranging from energy and health to sensing devices.&nbsp;<figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519983710-1711519983710.png" alt="" class="fr-fic fr-dii"></div><figcaption>Figure 1: Dry printing process. &nbsp;On-demand/ in-situ nanoparticle generation and real-time laser sintering that enables the printing of various electronics and functional materials and devices</figcaption></figure>Unveiling a Universe of Materials Beyond the Limitations of Ink: Traditional inks can be restrictive regarding the materials they can accommodate. Dry printing, on the other hand, opens doors to a wider range of possibilities. From semiconductors and conductors to insulators and nanocomposites, dry printing can handle a broader spectrum of functional materials rapidly, enabling the creation of more advanced and innovative functional devices.<figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519984882-1711519984882.png" alt="" class="fr-fic fr-dii"></div><figcaption>Figure 2.&nbsp;The ability to directly print a wide spectrum of materials</figcaption></figure><figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519982775-1711519982775.jpeg" alt="" class="fr-fic fr-dii"></div><figcaption>I will &nbsp;present at the Future of Electronics RESHAPED USA in Boston 12-13 June 2024 --&gt;&nbsp;<a rel="noopener noreferrer" href="https://www.techblick.com/electronicsreshapedusa" target="_blank">https://www.techblick.com/electronicsreshapedusa</a></figcaption></figure>Environmental Friendliness: Ink-based printing often necessitates complex ink formulations, storage, disposal, and cleaning procedures. Solvents and other hazardous materials can pose environmental and health risks. Dry printing, however, bypasses these concerns entirely. By utilizing solid targets as a source for on-demand and in-situ pure nanoparticle generation, dry printing eliminates the need for harmful solvents and additives, leading to a cleaner, more sustainable, and environmentally sustainable manufacturing process.<figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519984450-1711519984450.png" alt="" class="fr-fic fr-dii"></div><figcaption>Figure 3.&nbsp;The game-changing advantages of NanoPrintek’s dry printing technology</figcaption></figure>Cost Efficiency: Dry printing technology significantly reduces production costs compared to traditional ink-based techniques. By eliminating the need for timely and costly ink formulation processes as well as consumables like inks and solvents and minimizing waste and downtime associated with cleaning, dry printing offers a more economical solution, leading to tens of thousands of dollars in savings per year.Potential Precision and Resolution Enhancement: Due to the nanoscale size and purity of the dry nanoparticles, dry printing enables higher precision and resolution in the deposition of electronic materials. This opens the possibility of creating intricate circuit patterns and fine features, leading to improved performance and reliability of electronic devices.<figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519984815-1711519984815.png" alt="" class="fr-fic fr-dii"></div><figcaption>Figure 4.&nbsp;Example of dry printed lines without sintering (a) and with real-time sintering (b, c).&nbsp;</figcaption></figure>Compatibility with Diverse Substrates: Unlike ink-based printing, which may have limitations in terms of substrate compatibility, dry printing offers greater flexibility. It can be used on a wide range of substrates, including flexible materials like plastics and paper, as well as rigid surfaces like glass, ceramics, and even FR4 substrates, expanding the possibilities for product design and innovation.<figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519984945-1711519984945.png" alt="" class="fr-fic fr-dii"></div><figcaption>Figure 5.&nbsp;Enabling the printing on a wide spectrum of substrates c).&nbsp;</figcaption></figure>Improved Durability and Longevity: The materials deposited through dry printing electronics often exhibit superior durability and longevity compared to those applied using ink-based methods. This is due to the lack of surfactant and contaminations during the real-time sintering process, which allows better particle-particle fusion and a cleaner interface with the substrate. This results in electronic devices that are more resistant to wear and environmental factors, prolonging their lifespan and enhancing overall performance.Versatility in Applications: Dry printing electronics offers versatility in its applications across various industries, including consumer electronics, automotive, healthcare, and beyond. Whether manufacturing flexible electronics, RFID tags, sensors, energy devices, or smart packaging, this technology can adapt to diverse needs and requirements.In conclusion, the advantages of dry printing electronics over ink-based techniques are indisputable. From cost efficiency and environmental friendliness to enhanced precision and versatility, this disruptive technology is reshaping the landscape of functional devices and electronic manufacturing. As advancements continue to propel the field forward, NanoPrintek's dry printing technology promises to unlock new possibilities and drive innovation across industries.<a target="_blank" rel="noopener noreferrer" href="https://www.techblick.com/electronicsreshapedusa">We are Exhibiting at the Future of Electronics RESHAPED event in Boston (12 &amp; 13 June 2024) :&nbsp;</a><a rel="noopener noreferrer" href="https://www.techblick.com/electronicsreshapedusa" target="_blank">https://www.techblick.com/electronicsreshapedusa</a><figure><div contenteditable="false"><button data-test-resize-image-button="true">Minimize image</button><button data-test-edit-image-button="true">Edit image</button><button data-test-delete-image-button="true">Delete image</button><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1711519982835-1711519982835.png" alt="" class="fr-fic fr-dii"></div><figcaption data-placeholder="Add caption for image (optional)"> </figcaption></figure>

Multi-material printing without inks? The technology’s on-demand and in-situ nanoparticle generation and real-time sintering capability allow the printing of various electronics and functional devices with pure, multifunctional, hybrid materials printing - without inks and with bulk properties!

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Author: FERNANDO ZICARELLI (Printed Electronics Product Manager) |&nbsp;<a target="_self" href="mailto:f.zicarelli@e2ip.com" data-test-app-aware-link="">f.zicarelli@e2ip.com</a><a href="https://www.linkedin.com/company/e2ip-technologies/" data-test-app-aware-link="" target="_blank">E2IP TECHNOLOGIES</a> manufactures Flexible Heaters using Screen Printing Technology. We use flexible and conformable inks for the manufacturing of our heaters. Printed heaters can be manufactured in high volumes using print processes such as flatbed, rotary, and roll-to-roll presses. The size of the order and complexity of the device determines the equipment that we would use.Typical applications are Airplane/Automotive interiors, Battery and fuel cell heating, Hand tools, De-icing, Defogging, Medical, Display panels or touchscreens, Food and drink tempering, Heating for trains, mobile homes, and caravans.<figure><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1710066396502-1710066396501.png" alt="" class="fr-fic fr-dii"></figure><figure><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1710066396285-1710066396285.png" alt="" class="fr-fic fr-dii"><figcaption>Join us and the global industry in Boston on 12 &amp; 13 June 2024. Register before early bird expires on 22 March 2024. Explore program here&nbsp;</figcaption></figure>Thermal Management Solutions is a hot topic of discussion in recent months; we at E2IP Technologies have multiple solutions for every application. We currently make 4 types of heaters: Serpentine (left picture), Resistive, PTC (right picture) and Transparent heaters (see below).Each type has its advantages and disadvantages which are highlighted below:&nbsp;A. &nbsp; &nbsp; &nbsp;Serpentine heaters are made with metallic pastes which are screen printed with materials such as silver, copper, silver/carbon, graphene, and our own Silver Salt Minks. &nbsp;They are a very cost-effective solution since most of the time you only need one single printed layer of a serpentine pattern (as electricity flows through the conductive traces by applying specific voltage levels will cause the metal to heat up). &nbsp;These types of heaters are usually printed on PI, PC, PET, Kapton and TPUs.&nbsp;B. Fixed Resistance heaters combined a layer of silver paste with a resistive paste to obtain the desired value. Mixing of the resistor inks is one of the most important steps in the manufacturing of these heaters. They normally require only 2 printing steps, but a dielectric layer is sometimes added to protect from physical damage. They can be printed on PI, PC, PET, Kapton and TPUs as well.&nbsp;C. PTC heaters are made with conductive inks and a specialty formulated carbon inks (for temperature output) which are arrayed in parallel as resistors tiles. As electricity flows through the conductive traces to the carbon tiles, the temperature increases in the tiles (and so does the resistance). Both the temperature and the resistance will continue to rise until the resistance is too high for electricity to flow through (this is called the Shut-off point). Afterwards, the tiles begin to cool down until the resistance is low enough for the electricity to begin flowing again. PTC heaters normally require only 2 printing steps, but a dielectric layer is sometimes added to protect from physical damage. They can be printed on PI, PC, PET, Kapton and TPUs as well.&nbsp;D. Transparent Heaters are new to the industry and are becoming essential for LiDAR (Light Detection and Ranging) and other applications. The technology sends beams of light towards and object and then it measures the time it takes for the reflections to be detected by the sensor. These heaters are printed grids of silver with different levels of line widths and pitch distances. 90-100% transparency is not needed for applications where defrosting and defogging is needed, but in the case of cameras and sensors, it is absolutely required. Very specific substrates are used for this technology as the surface tension is extremely important to be able to produce fine line patterns.<figure><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1710066397327-1710066397327.png" alt="" class="fr-fic fr-dii"></figure> Flexible printed heaters rely on a range of conductive, resistive, and dielectric pastes which are deposited on flexible substrates, such as thermoplastic polyurethanes (TPU), polyester (PET) and Kapton. Through specific patterns and deposition levels, our engineers tailor flexible heaters to meet specified operating parameters based on the application. Printed heaters typically have a good bend radius which is a function of the materials used and heater thickness. A good rule of thumb for a flexible printed heater is to have a minimum bend radius of 0.4 in. (1 cm). We recommend that power supplied to the heater to be constant for the temperature to remain constant.For a Typical PTC Heater, the selection of the correct ink is essential to obtaining the desired; below you can see the temperature range and electrical specifications: <ul><li>Input voltage: 5 to 250 V (AC or DC)</li><li>Drive current: at startup less than 2 A</li><li>PTC inks available: 40°-115°C</li></ul> Thermal Management Solutions are different in most cases, we would like to encourage anyone to contact our Technical Team to discuss your application.Author: FERNANDO ZICARELLI (Printed Electronics Product Manager) |&nbsp;<a target="_self" href="mailto:f.zicarelli@e2ip.com" data-test-app-aware-link="">f.zicarelli@e2ip.com</a>Join the global industry in Boston and Berlin and let us RESHAPE the Future of Electronics.&nbsp;<a target="_self" href="https://www.techblick.com/registration" data-test-app-aware-link="">Register before 22 March 2024 for early bird rates</a><figure><img src="https://s3-us-west-1.amazonaws.com/wevolver-project-images/froala%2F1710066397129-1710066397129.png" alt="" class="fr-fic fr-dii"></figure>

E2IP Technologies manufactures Flexible Heaters using Screen Printing Technology. This is one of the most important segments of printed and additive electronics with applications in cars, homes, and industrial settings. 

Thermal and Heating Solutions for Printed Electronics

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What is 3D Printing: A Comprehensive Guide to its Engineering Principles and Applications

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3d printing

3D Printing

What is 3D Printing: A Comprehensive Guide to its Engineering Principles and Applications

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