Category:PCB 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!

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How can I know how many layers a PCB has? Reply 2016-04-14 16:50:24
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Eng.Mohamed

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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

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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

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

ned73

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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

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

fravillama

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Quite useful and impressive info.Thanks for marvelous posting.
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