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1996

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Subject:
Re[2]: [2] Alloy 42
From:
[log in to unmask] (mrosenfi)
Date:
Wed, 1 May 1996 15:48:23 -0400
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     THIS IS NOT THE CASE WITH ANY ALLOY 42 LEAD FRAMES USED FOR OUR 
     INTEGRATED CIRCUITS..
     
     


______________________________ Reply Separator _________________________________
Subject: Re:[2] Alloy 42
Author:  [log in to unmask] at smtp
Date:    5/1/96 01:12 PM


One of the area not mentioned so far is the copper layer often plated on the 
Alloy 42 before tin lead plating this also helps the soldering process. This is 
then what we are actually soldering to the copper and not the Alloy 42 check out
some microsections of leads.
     
     
Bob Willis
Electronic Presentation Services
2 Fourth Avenue, Chelmsford, Essex CM1 4HA. England. 
Tel: (44) 01245 351502
Fax: (44) 01245 496123
Home Page: http://ourworld.compuserve.com/homepages/bwillis 
Email: [log in to unmask]
     
     

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