# \#happy-holden

**URL:** https://sierraconnect.protoexpress.com/tag/happy-holden/105.md

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## [Webinar: Using HDI to Improve Signal Integrity and Power Integrity Performance](https://sierraconnect.protoexpress.com/t/webinar-using-hdi-to-improve-signal-integrity-and-power-integrity-performance/1368)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 10\
**Last updated:** [May 15, 2024, 8:13pm UTC](https://sierraconnect.protoexpress.com/t/webinar-using-hdi-to-improve-signal-integrity-and-power-integrity-performance/1368 "2024-05-15T20:13:25Z")

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Thank you for your interest in our webinar on using HDI to improve SI/PI by @happy2holden. If you’ve filled out the form on our registration page, you are registered and will receive an email confirmation within 5 minut…

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## [HDI Fabrication Problems, Quality Control and Reliability Issues by Happy Holden](https://sierraconnect.protoexpress.com/t/hdi-fabrication-problems-quality-control-and-reliability-issues-by-happy-holden/748)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 3\
**Last updated:** [January 10, 2024, 4:27am UTC](https://sierraconnect.protoexpress.com/t/hdi-fabrication-problems-quality-control-and-reliability-issues-by-happy-holden/748 "2024-01-10T04:27:23Z")

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What you will learn: HDI definitions, types and markets: Not all HDI products are the SAME! History of HDI: It helps to understand why HDI was developed in 1982 HDI fabrication problems and issues: Some of the hurdles …

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## [Ask Me Anything with Happy Holden](https://sierraconnect.protoexpress.com/t/ask-me-anything-with-happy-holden/749)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 14\
**Last updated:** [January 4, 2024, 2:36pm UTC](https://sierraconnect.protoexpress.com/t/ask-me-anything-with-happy-holden/749 "2024-01-04T14:36:08Z")

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Start posting your HDI questions now and Happy will answer on January 3rd!