I'm talking about SMOBC, not in or under.
Dewey
-----Original Message-----
From: Franklin [mailto:[log in to unmask]]
Sent: Wednesday, June 30, 2004 6:59 AM
To: [log in to unmask]
Subject: Re: [TN] Soldermask on PTH pad???
Interesting, I'm thinking if an eraser can remove solder mask from copper
then that solder mask was not applied correctly...hmmmmmm
Franklin
----- Original Message -----
From: "Whittaker, Dewey (AZ75)" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, June 30, 2004 8:48 AM
Subject: Re: [TN] Soldermask on PTH pad???
> I know this is going to rub a few people the wrong way and it will for
> eberhard for me to be taken seriously again, given my abrasive nature, but
> masking my inhibitions I will tell about a process I have used.
> Take an electric erasure with a gray number 4 ink erasure in it and using
an
> erasure shield match the opening in the shield to the area you want to
> remove the mask. With technique you can just remove the mask and leave the
> area shiny that you want to solder. A little IPA to clean the area, the
> right flux of choice and you have a good solder connection.
> Logic will dictate your process, but it is very quick and easy. We have
went
> through Qual test with this.
> Dewey
>
> -----Original Message-----
> From: Franklin [mailto:[log in to unmask]]
> Sent: Wednesday, June 30, 2004 5:25 AM
> To: [log in to unmask]
> Subject: Re: [TN] Soldermask on PTH pad???
>
>
> Short of very expensive laser strip processes a razor knive and
lots-o-labor
> are about the only way...chemicals and other type methods are only messy
and
> cause other problems...
>
> Franklin
>
>
> ----- Original Message -----
> From: "Ken Patel" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, June 29, 2004 6:41 PM
> Subject: [TN] Soldermask on PTH pad???
>
>
> > Technetters,
> >
> > We have pads of hand soldering locations covered with solder mask making
> it
> > difficult to solder. Is there any other way to solder besides scarping
the
> > solder mask (abrasive) and use solder fountain? I am looking for any
easy
> > way to remove solder mask or soldering technique.
> >
> >
> >
> > Any help will be highly appreciated.
> >
> >
> >
> > Re,
> >
> > Ken Patel
> >
> >
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