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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Some problems of etching my first PCB Reply 2016-05-26 13:34:35
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Bob

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I have printed the layout with an inkjet printer onto film and the result looks pretty good. I have a UV exposure unit and tried a wide range of exposure times- It seems to need 20 mins in order to yield what looks like a good result in developing after a couple of minutes. Etching starts well, but I always end of with some of the tracks dissolving away- the resist seems to flake away exposing the copper underneath.
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Reply 2016-05-26 13:34:35
Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

rlb-designs

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We need to know details about your type of sensitized board and developer.
Reply With Quote 2016-09-02 21:40:58

rkrten1

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The time you used for UV exposure seems too long. I use about 2min30s to 2min40s for my boards and that is with a similar UV lightbox from RS.
Reply With Quote 2016-06-21 19:52:20

Mauro Del Signore

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You are a genuis!
Reply With Quote 2016-05-28 13:34:35
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