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During PCB manufacturing, when to use positive layer and when to use negative layer?

4/28/2016 9:32:25 PM

positive layer negative layer

Can anyone give a sugggestion?

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juan.jfl

11/14/2016 12:00:37 AM

Uauslly positive layer is used on the production of outer layer film, and negative layer is used on inner layer production.

ali.serbetci

4/30/2016 9:32:25 PM

very useful informations.

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