# \#uhdi

**URL:** https://sierraconnect.protoexpress.com/tag/uhdi/303.md

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## [SAP and mSAP PCB Manufacturing: What Designers Need to Know](https://sierraconnect.protoexpress.com/t/sap-and-msap-pcb-manufacturing-what-designers-need-to-know/4559)

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**Author:** [@Mohamed\_Faheemuddin](https://sierraconnect.protoexpress.com/u/Mohamed_Faheemuddin)\
**Replies:** 0\
**Last updated:** [October 8, 2026, 3:42pm UTC](https://sierraconnect.protoexpress.com/t/sap-and-msap-pcb-manufacturing-what-designers-need-to-know/4559 "2026-10-08T15:42:07Z")

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Originally published at: https://www.protoexpress.com/blog/sap-and-msap-pcb-manufacturing-what-designers-need-to-know/ Semi-additive process (SAP) and modified semi-additive process (mSAP) are advanced PCB manufactur…

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## [Webinar: Ultra-HDI PCB Design and Manufacturing](https://sierraconnect.protoexpress.com/t/webinar-ultra-hdi-pcb-design-and-manufacturing/4397)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 1\
**Last updated:** [September 17, 2026, 4:07pm UTC](https://sierraconnect.protoexpress.com/t/webinar-ultra-hdi-pcb-design-and-manufacturing/4397 "2026-09-17T16:07:36Z")

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Thanks for you interest in our webinar on uHDI. Missed the webinar? Click the link below to access the slides and recording. 📅 September 16, 2026 9:00 AM → September 16, 2026 10:00 AM (America/Los\_Angeles) · https://ww…