# \#rigid-flex

**URL:** https://sierraconnect.protoexpress.com/tag/rigid-flex/99.md

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## [Webinar: Don't Design a Flex PCB like a Rigid Board](https://sierraconnect.protoexpress.com/t/webinar-dont-design-a-flex-pcb-like-a-rigid-board/4001)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 4:23pm UTC](https://sierraconnect.protoexpress.com/t/webinar-dont-design-a-flex-pcb-like-a-rigid-board/4001 "2026-05-15T16:23:51Z")

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Thanks for your interest in our webinar on designing for flex and rigid-flex. Click the link below to get the slides and recording.

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## [POLL: How often do you use flex or rigid-flex PCBs?](https://sierraconnect.protoexpress.com/t/poll-how-often-do-you-use-flex-or-rigid-flex-pcbs/3496)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0\
**Last updated:** [August 22, 2025, 3:58pm UTC](https://sierraconnect.protoexpress.com/t/poll-how-often-do-you-use-flex-or-rigid-flex-pcbs/3496 "2025-08-22T15:58:14Z")

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poll

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## [Case Study: Designing Loose-Leaf Rigid-Flex PCB Stack-up For Enhanced Flexibility](https://sierraconnect.protoexpress.com/t/case-study-designing-loose-leaf-rigid-flex-pcb-stack-up-for-enhanced-flexibility/1455)

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**Author:** [@Mohamed\_Faheemuddin](https://sierraconnect.protoexpress.com/u/Mohamed_Faheemuddin)\
**Replies:** 0\
**Last updated:** [May 23, 2024, 1:41pm UTC](https://sierraconnect.protoexpress.com/t/case-study-designing-loose-leaf-rigid-flex-pcb-stack-up-for-enhanced-flexibility/1455 "2024-05-23T13:41:02Z")

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Originally published at: https://www.protoexpress.com/blog/case-study-implementing-loose-leaf-rigid-flex-pcb-stackup-for-enhanced-flexibility/ When designing a flex circuit board, balancing structural reliability and…

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## [When you ask ChatGPT a fun fact about rigid-flex PCBs](https://sierraconnect.protoexpress.com/t/when-you-ask-chatgpt-a-fun-fact-about-rigid-flex-pcbs/948)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0\
**Last updated:** [January 26, 2024, 6:54pm UTC](https://sierraconnect.protoexpress.com/t/when-you-ask-chatgpt-a-fun-fact-about-rigid-flex-pcbs/948 "2024-01-26T18:54:04Z")

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So what do you think of that: The concept of flexible electronics, which includes rigid-flex PCBs, dates back to ancient times. In the 4th century BC, the ancient Greeks discovered a naturally occurring flexible materia…

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## [7 rigid-flex DFM errors you can avoid](https://sierraconnect.protoexpress.com/t/7-rigid-flex-dfm-errors-you-can-avoid/696)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0\
**Last updated:** [December 12, 2023, 5:41pm UTC](https://sierraconnect.protoexpress.com/t/7-rigid-flex-dfm-errors-you-can-avoid/696 "2023-12-12T17:41:50Z")

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