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| From: | |
| Reply To: | (Combined Forum of D-33a and 7-31a Subcommittees) |
| Date: | Thu, 15 Dec 2011 00:09:19 -0500 |
| Content-Type: | multipart/mixed |
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wondering how others interpret the applicability of 6012c 3.3.1 (and its
6018 equivalent) with respect to haloing, for designs that have metal to
the edge of a pwb, as shown below?? conductor to conductor spacing is
highly compliant, distance from the solder feature to the first halo along
the edge is less than 4 mils.
to me 3.3.1 has a context where metal is away from the board edge by
design, unlike the attached image.....
Joey Rios
PWB & Process Quality Eng'r
Endicott Interconnect Technologies
1093 Clark St.
Endicott, NY 13760
Office: 607-755-5896
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