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August 2005

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From:
Joyce Koo <[log in to unmask]>
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Date:
Tue, 23 Aug 2005 09:41:46 -0400
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Indium gold solder.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of r Tarzwell
Sent: Tuesday, August 23, 2005 9:06 AM
To: [log in to unmask]
Subject: [TN] solid gold boards


hi guys and girls, i have a solid gold board , the tracks are soild plated
gold about 25 microns thick , no ni, over 2 microns of copper   (outer
space reasons) and i was wondering how to solder the components ,   would
the soild gold traces cause brittle joints, or would the large gold ratio
allow a good soilder joint  with lead free solder or any type of solder. I
have no experiance  with soild gold  at all and was hoping some one out
there would has a guess. PS the traces are only 10 microns wide in areas
which is an other problem
robert Tarzwell
director of technology
Sierra Proto express.

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