--- title: Epec's Blog | Flex & Rigid-Flex PCB's (2) description: Flex & Rigid-Flex PCB's | A manufacturing blog focusing on posts about customized product solutions that are beneficial to engineers or anyone in the electronics industry. (2) --- [![Epec Engineered Technologies](https://www.epectec.com/images/logo.png "Epec Engineered Technologies")](https://www.epectec.com/) [![Epec Engineered Technologies](https://www.epectec.com/images/logo.png "Epec Engineered Technologies")](https://www.epectec.com/) - [Articles](https://www.epectec.com/articles/) - [Blog](https://blog.epectec.com/) - [Webinars](https://www.epectec.com/webinar/) - [Videos](https://www.epectec.com/videos/) - [Case Studies](https://www.epectec.com/case-studies/) - [News & Events](https://www.epectec.com/news/) - [Customer Portal](https://system.netsuite.com/c.406760/site/NSlogin.html) - [About](https://www.epectec.com/about/overview/) - Back - [Company Overview](https://www.epectec.com/about/overview/) - [Our History](https://www.epectec.com/about/our-history/) - [Culture](https://www.epectec.com/about/culture/) - [Industries Served](https://www.epectec.com/about/industry/) - [Acquisitions](https://www.epectec.com/about/acquisitions.html) - [Operations](https://www.epectec.com/operations/) - 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[Register](https://secure.epecpcb.com/epec/index2.jsp) [![](https://www.epectec.com/images/InstantPCBQuote-logo.png)](https://www.epectec.com/instantpcbquote/) [Login](https://secure.epecpcb.com/epec/) [Register](https://secure.epecpcb.com/epec/index2.jsp) Register to Quote and Order Your PCBs Fast, Easy & Online, 24/7 - [Home](https://www.epectec.com/) - [Blog](https://blog.epectec.com/) Share This Page: [LinkedIn](https://blog.epectec.com/#linkedin) [X](https://blog.epectec.com/#x) [Facebook](https://blog.epectec.com/#facebook) [Email](https://blog.epectec.com/#email) # Epec's Blog | Electronics Manufacturing Solutions --- ## [Mitigating Electromagnetic Interference in Rigid-Flex PCB Layouts](https://blog.epectec.com/mitigating-electromagnetic-interference-in-rigid-flex-pcb-layouts) [![Flexible circuit board with shielding film](https://blog.epectec.com/hubfs/blog/flexible-circuit-board-with-shielding-film.jpg "Flexible circuit board with shielding film")](https://blog.epectec.com/mitigating-electromagnetic-interference-in-rigid-flex-pcb-layouts) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on October 9, 2025 at 8:48 AM - [Tweet](https://twitter.com/share) In industries where failure isn’t an option, such as [aerospace](https://www.epectec.com/flex/industries-market-focus/flex-and-rigid-flex-pcbs-for-itar-applications.html), [medical electronics](https://www.epectec.com/flex/industries-market-focus/flex-rigid-flex-pcbs-medical-applications.html), [industrial automation](https://www.epectec.com/flex/industries-market-focus/industrial-control-applications.html), and [high-speed communication](https://www.epectec.com/flex/industries-market-focus/flex-rigid-flex-pcbs-portable-devices.html), electromagnetic interference (EMI) is a top-tier design concern. When your application relies on signal clarity, controlled impedance, and mechanical flexibility, rigid-flex PCBs offer a unique solution. [Read More](https://blog.epectec.com/mitigating-electromagnetic-interference-in-rigid-flex-pcb-layouts) --- ## [Advanced Via Technologies in Rigid-Flex PCB Fabrication](https://blog.epectec.com/advanced-via-technologies-in-rigid-flex-pcb-fabrication) [![A microscope cross-section of a rigid-flex circuit board and through hole](https://blog.epectec.com/hubfs/blog/cross-section-of-via-in-a-rigid-flex-pcb.jpg "A microscope cross-section of a rigid-flex circuit board and through hole")](https://blog.epectec.com/advanced-via-technologies-in-rigid-flex-pcb-fabrication) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on September 9, 2025 at 8:42 AM - [Tweet](https://twitter.com/share) Vias are an important part of high-density interconnect strategies in [flex and rigid-flex printed circuit board](https://www.epectec.com/flex/) (PCB) designs. As assemblies become smaller and layouts become more complex, the selected via structure affects routing density, component placement, stack-up feasibility, manufacturability, cost, and mechanical reliability. [Read More](https://blog.epectec.com/advanced-via-technologies-in-rigid-flex-pcb-fabrication) --- ## [Signal Integrity Challenges in High-Speed Rigid-Flex PCB Designs](https://blog.epectec.com/signal-integrity-challenges-in-high-speed-rigid-flex-pcb-designs) [![An example of the dense circuits in a multi-layer rigid-flex PCB](https://blog.epectec.com/hubfs/blog/dense-circuits-in-multi-layer-rigid-flex-pcb.jpg "An example of the dense circuits in a multi-layer rigid-flex PCB")](https://blog.epectec.com/signal-integrity-challenges-in-high-speed-rigid-flex-pcb-designs) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on July 29, 2025 at 9:07 AM - [Tweet](https://twitter.com/share) In today’s increasingly connected world, high-speed digital signaling is no longer limited to specialized applications; it’s now a requirement across a broad spectrum of industries, including aerospace, [medical](https://www.epectec.com/flex/industries-market-focus/flex-rigid-flex-pcbs-medical-applications.html), automotive, and advanced communications. [Read More](https://blog.epectec.com/signal-integrity-challenges-in-high-speed-rigid-flex-pcb-designs) --- ## [7 Cost-Effective Design Practices for Rigid-Flex PCB Prototypes](https://blog.epectec.com/7-cost-effective-design-practices-for-rigid-flex-pcb-prototypes) [![Rigid-flex PCB design with complex configurations](https://blog.epectec.com/hubfs/blog/rigid-flex-pcb-design-with-complex-configurations.jpg "Rigid-flex PCB design with complex configurations")](https://blog.epectec.com/7-cost-effective-design-practices-for-rigid-flex-pcb-prototypes) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on June 3, 2025 at 8:46 AM - [Tweet](https://twitter.com/share) Prototyping your new [rigid-flex PCB design](https://www.epectec.com/flex/design/) is critical. It’s best to test your design, ensure everything fits, and look for obvious issues before jumping into full-scale production. As necessary as this step is, it also comes with a cost that can be tough to justify to stakeholders and decision-makers. [Read More](https://blog.epectec.com/7-cost-effective-design-practices-for-rigid-flex-pcb-prototypes) --- ## [Using Adhesives and Bonding in Flex or Rigid-Flex PCB Construction](https://blog.epectec.com/using-adhesives-and-bonding-in-flex-or-rigid-flex-pcb-construction) [![Rigid-flex PCB with pressure sensitive adhesive](https://blog.epectec.com/hubfs/blog/rigid-flex-pcb-with-pressure-sensitive-adhesive.jpg "Rigid-flex PCB with pressure sensitive adhesive")](https://blog.epectec.com/using-adhesives-and-bonding-in-flex-or-rigid-flex-pcb-construction) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on April 16, 2025 at 9:03 AM - [Tweet](https://twitter.com/share) In a [flex or rigid-flex PCB](https://www.epectec.com/flex/) construction, many elements have to be considered that can be seen as important to the overall design such as copper weight, layer count, and many other things. However, among all the portions of a design, the one that usually gets forgotten is what bonds and holds it all together, the adhesives and pre-pregs that serve to bond the stack-up. [Read More](https://blog.epectec.com/using-adhesives-and-bonding-in-flex-or-rigid-flex-pcb-construction) --- ## [Designing Flex and Rigid-Flex PCBs to Prevent Failure – Q&A](https://blog.epectec.com/designing-flex-and-rigid-flex-pcbs-to-prevent-failure-q-and-a) [![Designing Flex and Rigid-Flex PCBs to Prevent Failure](https://blog.epectec.com/hubfs/Imported%20sitepage%20images/designing-flex-and-rigid-flex-pcbs-to-prevent-failure.jpg "Designing Flex and Rigid-Flex PCBs to Prevent Failure")](https://blog.epectec.com/designing-flex-and-rigid-flex-pcbs-to-prevent-failure-q-and-a) Written by [Epec Engineered Technologies](https://blog.epectec.com/author/epec-engineered-technologies) Posted on March 4, 2025 at 9:57 AM - [Tweet](https://twitter.com/share) At the conclusion of our webinar, [Designing Flex and Rigid-Flex PCBs to Prevent Failure](https://www.epectec.com/webinar/02-27-2025/designing-flex-and-rigid-flex-pcbs-to-prevent-failure.html), we had several questions submitted to our presenter, Zachary Walker, Product Manager of Flex and Rigid-Flex Circuits at Epec. We have compiled these questions into a readable format on our blog. [Read More](https://blog.epectec.com/designing-flex-and-rigid-flex-pcbs-to-prevent-failure-q-and-a) --- ## [Rigid-Flex PCB Design Techniques for Optimized Performance](https://blog.epectec.com/rigid-flex-pcb-design-techniques-for-optimized-performance) [![Rigid-flex circuit board manufactured to bend multiple times](https://blog.epectec.com/hubfs/blog/rigid-flex-circuit-board-manufactured-to-bend.jpg "Rigid-flex circuit board manufactured to bend multiple times")](https://blog.epectec.com/rigid-flex-pcb-design-techniques-for-optimized-performance) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on February 26, 2025 at 9:49 AM - [Tweet](https://twitter.com/share) The performance and long-term reliability of a [rigid-flex printed circuit board](https://www.epectec.com/flex/) (PCB) are heavily influenced by design decisions made early in development. Mechanical layout, [bend requirements](https://blog.epectec.com/flex-rigid-flex-bend-capabilities), [stack-up construction](https://www.epectec.com/flex/material-stackup.html), [material selection](https://blog.epectec.com/flexible-circuit-board-material-selection), trace routing, and via placement all affect how well the circuit withstands repeated flexing and real-world operating conditions. [Read More](https://blog.epectec.com/rigid-flex-pcb-design-techniques-for-optimized-performance) --- ## [How to Select Material Used in Rigid-Flex PCB Manufacturing](https://blog.epectec.com/how-to-select-material-used-in-rigid-flex-pcb-manufacturing) [![Rigid-flex PCB with a green solder mask](https://blog.epectec.com/hubfs/blog/rigid-flex-pcb-with-green-solder-mask.jpg "Rigid-flex PCB with a green solder mask")](https://blog.epectec.com/how-to-select-material-used-in-rigid-flex-pcb-manufacturing) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on January 22, 2025 at 8:47 AM - [Tweet](https://twitter.com/share) When it comes to printed circuit boards, [rigid-flex PCBs](https://www.epectec.com/flex/) can be one of the most complicated. Many describe rigid-flex as being more akin to two boards in one, both in processes and materials. This can make for a difficult time in designing the board, setting standards, and even selecting materials. [Read More](https://blog.epectec.com/how-to-select-material-used-in-rigid-flex-pcb-manufacturing) --- ## [Heavy Copper Weights: How They Work in Flexible Printed Circuit Boards](https://blog.epectec.com/heavy-copper-weights-how-they-work-in-flexible-printed-circuit-boards) [![Example of a flexible printed circuit board with heavy copper weights](https://blog.epectec.com/hubfs/blog/flexible-printed-circuit-board-with-heavy-copper-weights.jpg "Example of a flexible printed circuit board with heavy copper weights")](https://blog.epectec.com/heavy-copper-weights-how-they-work-in-flexible-printed-circuit-boards) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on September 19, 2024 at 9:09 AM - [Tweet](https://twitter.com/share) Creating a high-performance [flexible printed circuit board](https://www.epectec.com/flex/) is contingent upon having the right copper weight. With high-temperature, high-power, and long-lasting applications, the weight of the copper used becomes even more important. [Read More](https://blog.epectec.com/heavy-copper-weights-how-they-work-in-flexible-printed-circuit-boards) --- ## [Flexible PCB Manufacturing: Surface Finishing and Stiffener Bonding](https://blog.epectec.com/flexible-pcb-manufacturing-surface-finishing-and-stiffener-bonding) [![Example of flexible PCBs with properly applied stiffeners](https://blog.epectec.com/hubfs/blog/flexible-pcbs-with-properly-applied-stiffeners.jpg "Example of flexible PCBs with properly applied stiffeners")](https://blog.epectec.com/flexible-pcb-manufacturing-surface-finishing-and-stiffener-bonding) Written by [Zachary Walker](https://blog.epectec.com/author/zachary-walker) Posted on September 4, 2024 at 8:14 AM - [Tweet](https://twitter.com/share) The manufacturing of printed circuit boards (PCBs), especially [flex and rigid-flex PCBs](https://www.epectec.com/flex/), involves intricate processes that require precision and expertise. Among the critical aspects of [PCB manufacturing](https://www.epectec.com/pcb/) are surface finishing and stiffener bonding, both of which significantly impact the reliability and performance of the final product. [Read More](https://blog.epectec.com/flexible-pcb-manufacturing-surface-finishing-and-stiffener-bonding) [Previous](https://blog.epectec.com/topic/flex-rigid-flex-pcbs/page/1) | [All posts](https://blog.epectec.com/all) | [Next](https://blog.epectec.com/topic/flex-rigid-flex-pcbs/page/3) --- ### Recent Posts --- ### Posts by Topic - [Printed Circuit Boards (162)](https://blog.epectec.com/topic/printed-circuit-boards) - [Product Design (138)](https://blog.epectec.com/topic/product-design) - [Battery Packs (122)](https://blog.epectec.com/topic/battery-packs) - [Cable Assemblies (102)](https://blog.epectec.com/topic/cable-assemblies) - [Flex & Rigid-Flex PCB's (95)](https://blog.epectec.com/topic/flex-rigid-flex-pcbs) - [Electronics Industry (61)](https://blog.epectec.com/topic/electronics-industry) - [User Interfaces (55)](https://blog.epectec.com/topic/user-interfaces) - [Quality Solutions (33)](https://blog.epectec.com/topic/quality-solutions) - [Flexible Heaters (31)](https://blog.epectec.com/topic/flexible-heaters) - [Events, Training, and Support (9)](https://blog.epectec.com/topic/events-training-and-support) - [RF Products (7)](https://blog.epectec.com/topic/rf-products) - [CNC Machining (3)](https://blog.epectec.com/topic/cnc-machining) - [Fans & Motors (1)](https://blog.epectec.com/topic/fans-motors) See All --- --- ### Need Help with A Project? 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