In a message dated 05/22/2000 6:32:48 PM Central Daylight Time,
[log in to unmask] writes:
> I just did a 4oz, 4 layer power module at Advanced Circuits (www.4pcb.com)
> and had no problems. Minimum required spacing was 12 mils. Silkscreen
> tended to pool in the low spots between traces, but that was only really
> visible on solid silkscreened areas.
>
> Gary Crowell
> Micron Technology
Hi Gary!
Just curious, was the soldermask LPI or Dry Film? As Mike Sewell said, we had
a 4-oz copper board that used dry-film and had severe soda-straws...
-Steve Gregory-
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