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Subject: Re: [Homebrew_PCBs] Half a homebrew pcb ...

From: Mitch Davis <mjd@...>
Date: 2013-10-08

Hello Boman :-)

Arvid, if you have a temperature controlled soldering iron, you may be
able to turn it up high and heat the pads off.

Mitch.

On Tue, Oct 8, 2013 at 11:04 AM, Boman33 <boman33@...> wrote:
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> If you end up using the Dremel tool, do not use the carbide tips, use an abrasive cutoff disc. It works much better and is easy to control for quick operation.
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> From: arvidj01 Sent: Monday, October 07, 2013 18:12
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> Lets assume I have one of the ubiquitous "drilled 0.1 inch on center .08 inch wide copper" strip boards that is 8in x 8in.
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> I need to remove the copper between lots of the holes. Think of putting a long string of led's along the strip and therefore need to remove the copper between the two ".1 in between them" holes for the led leads.
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> And yes, "along the strip" is not the intended orientation if one were to put led's on this board ... they suspect that "across the strip" would be what the manufacturer originally had in mind ... but there is a constraint that suggests "along" is the preferred method.
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> I then began to wonder "what is the best way to create the gap in the copper between the two adjacent .1 holes?".
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> The initial thought was to use the Dremel and a carbide bit but the large number of cuts will make it tedious and error prone.
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> Another thought is to somehow mask off the board and then etch it to create the gaps between the holes. The areas that would need to be etched are very consistent and regular on the board so the thought is that consistent masking would mitigate the risks of an error.
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> Which brings me to "what would be the best way to mask off the board?"
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> Any thoughts would be appreciated.
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