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From: Robert Baer
X-Mailer: Mozilla 4.75 [en] (Win98; U)
Subject: Re: Poor man's solder resist?
References: <3E286BFE.email@example.com> <3E2BB41A.D1AD3D7@scazon.com> <3E2C3AD6.F656B87F@SpamMeSenseless.us.ibm.com>
Date: Tue, 21 Jan 2003 09:03:10 GMT
NNTP-Posting-Date: Tue, 21 Jan 2003 01:03:10 PST
Organization: EarthLink Inc. -- http://www.EarthLink.net
Phil Hobbs wrote:
> Paul Burke wrote:
> > Ryan Gammon wrote:
> > >
> > > Hello folks,
> > >
> > > Any suggestions for solder resist for hobbiest-grade work? I see a
> > > similar thread in a metal working group turned up suggestions of
> > > white-out and nail polish.
> > Laborious but should work: after etching, cover pads with tape. Spray or
> > paint board with varnish. Remove tape.
> > Paul Burke
> Circuit Works sells solder resist pens. They're intended for repairing
> masks on existing boards, but will work OK for this use if your boards
> are small.
> Phil Hobbs
Egg white with potassium dichromate added as sensitizer.
Expose using UV; develop with warm water (washes away non-exposed egg
Easily removeable after etching.
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