Thank you very much for your valuable suggestion! We will solve it as soon as possible!

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 > How can I know how many layers a PCB has?
How can I know how many layers a PCB has?
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Eng.Mohamed

How can I know how many layers of the PCB I have?
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

Jose Valdiande

Some PCB will have a "stair-step"; each layer labeled with a copper number and cutouts in the other layer to be able to see it.

Edu

Cut the board in half and inspect the copper, the layers of PCB is the same as the layers of copper.

ned73

Using a bright light, it's easy to see if a board has inner layers even if it doesn't have blind vias.IF the board have inner layers,it will be a multilayer PCB,otherwise it is not. But for this way, we could not know the exact layers of the board.

Piero

I was burnt by layer numbering today,my layer number "1" is mistaken as a marker for pin 1 on some nearby connector.

fravillama

Quite useful and impressive info.Thanks for marvelous posting.

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