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Tue, 3 Oct 1995 17:01:17 -0400 (EDT) |
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| From [log in to unmask] Sat Apr 27 14: |
59:28 1996 |
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ANSI/J-STD-001 and other specifications require ionic contamination
levels of less than 1.56 micrograms/cm2 (10.06 micrograms/in2). This is
a reasonable level for overall ionic contamination on Class 3 PCBA's, and
is a good maximum level for monitoring the cleaning process. But, what
about maximum levels for Class 1 (Consumer) and Class 2 (Industrial)
grade PCBA's ? Afterall, there are different levels for rosin residues.
Does anyone have ACCEPTABLE (maximum) levels for ionic contamination on
Class 1 and Class 2 PCBA's ? Thanks . . .
Ed Valentine ([log in to unmask])
ProTronics, Inc.
Knightdale, NC
Phone: (919) 217-0007, FAX: (919) 217-0050
******************************************
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