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Epec's Blog | Electronics Manufacturing Solutions


Flex and Rigid-Flex PCBs: A Design and Layout Point of View

Written by Angie Brown
Posted on September 15, 2021 at 9:42 AM

Dating back to 1952, we are industry leaders and experts in all things printed circuit board (PCB) related, rigid PCBs, flexible circuits, and rigid-flex circuit boards combined, we know all the options and the difficulties in the fabrication processes. In this blog, we will focus on flex and rigid-flex PCBs what you should know and what to look for regarding the design and layout, as well as the importance of a successful data set and what is needed to prevent delays in engineering and manufacturing.

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EMI Shielding Methods for Flex & Rigid-Flex PCB Designs - Q&A

Written by Epec Engineered Technologies
Posted on September 9, 2021 at 12:09 PM

At the conclusion of our webinar, EMI Shielding Methods for Flex & Rigid-Flex PCB Designs, we had several questions submitted to our presenter, Paul Tome, Product Manager of Flex & Rigid-Flex Circuits at Epec. We have compiled these questions into a readable format on our blog.

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Flexible Circuit Boards Connector Options, Which One Is Best For You?

Written by Paul Tome
Posted on September 1, 2021 at 10:24 AM

Flex circuits have the capability of utilizing a wide variety of connector options. The list, with a couple of exceptions, includes all connector systems that can be used on rigid printed circuit boards (PCBs) plus a couple of additional systems that were specifically designed for interconnecting flexible circuits to rigid PCBs or wiring harnesses.

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Supply Chain Challenges on the Electronics and Manufacturing Industry

Written by Kendall Paradise
Posted on August 23, 2021 at 10:13 AM

The last 18 months have been some of the most challenging that many of us have had to deal with both personally and professionally. It has often felt like we were riding waves, coming closer to things getting a little more normal, only to have them change radically. Looking forward to the next 18 months, I don’t see those changes getting any easier for us or our industry.

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Rigid-Flex PCB Design Limitations for Laser Drilled Holes and Slots

Written by Paul Tome
Posted on August 19, 2021 at 11:11 AM

With advancements in rigid-flex PCB design technology, the use of laser-based systems in the manufacturing process are very common in the industry. Not having laser drilling and cutting available would place significant limitations on what could be accomplished in a design and what components could be used.

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Designing Flexible Circuits for High-Temperature Applications

Written by Paul Tome
Posted on August 3, 2021 at 10:42 AM

Many flexible circuit board applications require designs to be exposed to and or operate continuously at elevated temperatures well beyond that of standard room temperature. These requirements are above and beyond the requirements of component or connector assembly.

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How Flexible PCB Material Selection Affects Lead Times

Written by Paul Tome
Posted on July 21, 2021 at 10:10 AM

There are a very wide variety of materials available to construct a flexible circuit. The materials range from different types of copper, copper thicknesses, core/coverlay and adhesive thicknesses, adhesive types, stiffener types and thicknesses, PSAs, shielding films, flexible soldermask colors, etc. Inadvertently specifying unique or non-standard materials can result in significant delivery delays as they may not be standard stock at either the manufacturer or the supplier.

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Benefits of Using Air Gap Rigid-Flex PCB Constructions

Written by Paul Tome
Posted on July 8, 2021 at 10:44 AM

Advancing technology has impacted rigid-flex PCB designs in the same manner as rigid printed circuit boards. Increasing interconnect requirements and smaller form factors require higher circuit densities and increased layer counts. The impact of these elements on rigid-flex circuit designs is potential reliability issues both electrically and mechanically.

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Flexible PCB Line and Space Limitations to Be Aware Of

Written by Paul Tome
Posted on May 12, 2021 at 9:30 AM

In some areas of a flexible circuit board design, the trace widths and spacings, trace to pad spacings, and via pad sizes are the same as used in rigid circuit boards but will differ in other areas. This is due to the flexible nature of the polyimide materials used, the type of material used to encapsulate the external layers, and the unique plating process used for most flex circuit designs.

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Rigid-Flex PCB Stack-ups for Impedance Controlled Designs

Written by Paul Tome
Posted on March 10, 2021 at 10:15 AM

Impedance controlled circuits in a rigid-flex PCB design is a common requirement throughout the industry in a wide range of applications. Having Impedance control, however, does create an additional challenge for designs that have very demanding minimum bend requirements.

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