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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What are the standard via sizes? Reply 2016-05-10 09:21:02
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Jana Velicova

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Is there a standard for via sizes?
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

Igor

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The PCB fab you chose will have a list of standard drill diameters, which the drill tool can pick at any time. Other diameters will require manual intervention, and you'll pay extra for that. I often use a 0.35 mm hole with a 0.7 mm diameter annular ring.

drka

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If your drawing calls out +/- mil tolerances for PTH's and via's, your PCB fab can select appropriate hole sizes that match their standard without upcharging for custom hole sizes.

brian

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Useful!
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