Alt-BEAM Archive
Message #09386
To: beam@sgiblab.sgi.com beam@sgiblab.sgi.com
From: Richard Piotter richfile@rconnect.com
Date: Thursday, 20 January 2000 10:25
Subject: Re: Pertaining to the Hextile things. You should really make them
>I usualy use a wire or sharp point and run it accross the molten solder.
>Usualy, it breaks the tension between the blob and separates it. Works
well!
>
>Sathe Dilip wrote:
>>
>> Didn't mean to take away your credit. I must have missed it. I was
>> responding to the discussion about cutting & resoldering tracks and the
>> non availability of desoldering pumps with some BEAMers.
>>
>> Dilip
>> ---------------------------------
>>
>> Richard Piotter wrote:
>> >
>> > That's like what I put on my diagram I sent earlier showing a possible
>> > hextile layout.
>> >
>> > Sathe Dilip wrote:
>> > >
>> > > Another alternative could be a technique I have seen used in some old
>> > > radio designs. The attached gif shows the general idea. You create
>> > > such pads with all the possible connections brought opposite each
>> > > other. Then it's very easy to bridge the required path with a solder
>> > > bridge (keep the gaps small enough). These are also easy to open
again
>> > > by using a soldering iron & an old tooth brush (melt & brush off -
being
>> > > careful to brush it away from you & other important things).
Sometimes
>> > > they open up with surface tension itself when you touch the bridge.
>> > >
>> > > Dilip
>> > > ---------------------------------------------------
>> > >
>> > > David Perry wrote:
>> > > SNIP
>> > > >
>> > > > >trace cuts are easier to work with. they can be resoldered easy.
you
>> > > > >have it configured by default to be an Nv, and by cutting the
existing
>> > > > >traces and soldering the pre opened pads. Desoldering such tiny
pads is
>> > > > >more dificult than cutting a trace. Believe me, I know!
>> > > >
>> > > > I've never had any problems doing this with a desoldering pump. It
just
>> > > > seems to me that cutting the trace isn't a very elegant solution.
>> > >
>> > > SNIP
>> > > --
>> > > Pl. remove *s from the e-mail address to reply
>> > >
>> >
------------------------------------------------------------------------
>> > > [Image]
>> SNIP
>
>--
>
>
>Richard Piotter The Richfiles Robotics & TI web page:
>richfile@rconnect.com http://richfiles.calc.org
>
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