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Subject:	Chemistry to strip 90/10 SnPb
From:	[log in to unmask]
Date:	Mon, 4 NOV 96 13:27:15 MDT
Content-Type:	text/plain
Parts/Attachments:	text/plain (22 lines)

I'm looking for chemistries/recipes that will be effective in stripping 90/10 
tin-lead alloys off of copper leadframe devices (7025 and 194 Cu) that will 
leave the copper intact.  I don't really care what happens to the plastic 
packaging.  I know tin and/or tin-lead is used as an etch resist in the PCB 
industry, whatever chemistries are in use will probably work for me.  

Thanks in advance for your responses.

Tracy Tennant
Reliability Engineer
Micron Technology, Inc.
[log in to unmask]

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