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How are vias manufactured?
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Topic: How are vias manufactured? (Read 2789 times)
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atwoz
Regular Contributor
Posts: 54
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How are vias manufactured?
«
on:
August 18, 2012, 03:02:23 pm »
Hello, I have been searching Google and can't find any info on how vias are created on a PCB when manufacturing. I 'm really curious on how they do it. Does anyone know?
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AndyC_772
Super Contributor
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Professional design engineer
Re: How are vias manufactured?
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Reply #1 on:
August 18, 2012, 03:52:35 pm »
Drill hole, electro-plate with copper.
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CEL | Reliable Electronics
nanofrog
Super Contributor
Posts: 5446
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Re: How are vias manufactured?
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Reply #2 on:
August 18, 2012, 10:35:05 pm »
They drill the hole, use conductive ink inside the hole, then electroplate a copper.
There are also copper and brass rivets made for this that might be more usable/easier at home vs. electroplating (no additional chemistry to deal with anyway) . Examples:
http://www.ebay.com/sch/i.html?_nkw=pcb+rivet
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mariush
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Re: How are vias manufactured?
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Reply #3 on:
August 18, 2012, 11:24:09 pm »
See this:
http://www.eurocircuits.com/index.php/making-a-pcb-eductional-movies
In particular from "Drilling the PCB" and onwards... each section has a dedicated page with a video showing the actual process, very easy to understand.
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atwoz
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Re: How are vias manufactured?
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Reply #4 on:
August 19, 2012, 12:01:32 am »
Thank you so much guys, everything is clear now!
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How are vias manufactured?
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