# \#alkaline

**URL:** https://sierraconnect.protoexpress.com/tag/alkaline/39.md

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## [Wet PCB Etching Using Acidic and Alkaline Methods](https://sierraconnect.protoexpress.com/t/wet-pcb-etching-using-acidic-and-alkaline-methods/170)

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**Author:** [@rahuls](https://sierraconnect.protoexpress.com/u/rahuls)\
**Replies:** 0\
**Last updated:** [September 28, 2023, 6:49pm UTC](https://sierraconnect.protoexpress.com/t/wet-pcb-etching-using-acidic-and-alkaline-methods/170 "2023-09-28T18:49:14Z")

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Originally published at: https://www.protoexpress.com/blog/wet-pcb-etching-acidic-alkaline-methods/ Copper etching is one of the important processes in PCB manufacturing. We can simply say that wet PCB etching is a p…