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id m0uW7x4-0000DEC; Tue, 18 Jun 96 16:04 CDT |
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Tue, 18 Jun 1996 17:12:37 -0400 |
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| From [log in to unmask] Tue Jun 18 18: |
16:33 1996 |
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<TechNet-request> |
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atotech has an excellent process - stanno speed #4 - pro's ,and cons that we
have seen at customers is as follows:
Pro's:
no alloy to control
more thru put thru metalic etch resist stripper - without excess sludging as
with solder
grain structure of tin is much harder than tin/lead
Con's
low metal in solution will deposit a very porous pla
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