6 Jul
2007
6 Jul
'07
1:02 p.m.
On Fri, 6 Jul 2007, Ethan Dicks wrote:
On 7/6/07, David Griffith <dgriffi at
cs.csubak.edu> wrote:
Yes, wrinkles. I see this most often with wider traces. Commodore 64s
seem especially prone to this.
--
David Griffith
dgriffi at cs.csubak.edu
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
I haven't heard anyone discuss this yet: what causes traces on some old
PCBs to wrinkle and not others? My guess is a combination of suboptimal
glue and wide temperature swings.
Wrinkles? Ones I've seen are, AFAIK, solder buildup between the
copper trace and the solder mask, not between the copper trace and the
underlying board. You have something different going on?