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June 1998

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Subject:
ASSEM: MATTE VS GLOSSY
From:
Robert Welch <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 4 Jun 1998 12:22:57 +0000
Content-Type:
text/plain
Parts/Attachments:
text/plain (29 lines) 
Hello Technetters,

I've been asked to forward this inquiry for a contract assembly
person we deal with occasionally.
His problem is that he has to adjust his wave solder parameters (more
or less preheat??)  when changing between "very shiny" and "very
dull" solder mask on the same part number.  He would like some
collaboration of this phenomena to help  justify
requiring his supplier to keep  all the mask the same.

Thanks,
Robert E. Welch
Process Specialist
Email: [log in to unmask]
Modem: 804-239-9120
Fax:   804-237-3048

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