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PCB Manufacturing

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PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

Community > Groups > PCB Manufacturing > Why there are holes on edge of the pcb?
Why there are holes on edge of the pcb?
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Michel Froehlich

I have seen a board that the edge of the pcb has many tiny holes. What is the benefit of them? The edges are V cut, is it something to do with it?
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

brian

The name of the holes is via stitching, a via fence or a picket fence. It is used to control EMI at very high RF frequencies, such as getting in or getting out, and can also reduce the resistance of the connections at DC.

joerg.friedrichs

The holes on the edge are vias. They are connecting that one piece of ground plane to another one on another layer. The reason of using it are various, for increasing current carrying ability, thermal transfer, EMI reduction, and any number of other reasons.

Mario

My favorite psot here. Its very impressive and helpful.

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