At one point in my career, I works for a start-up company that designed and
manufactured industrial electronics. Since it was a small company, I got to
handle field service calls as well as my normal tasks as a design engineer.
This let me see a lot of electronics exposed to harsh conditions. Te
Hi Ralph:
I have also wondered why solder resist could not help qualify for a lower
pollution degree. I agree that solder resist is usually pretty good stuff
and I have not seen it come off without abrasion or overheating. While most
solder resist is screened on and may not have a well-contro
Power conversion equipment companies have traditionally been very conservative
with PCB material ratings. Over the last 25+ years, have noticed significant
variability in the mechanical, chemical, and electrical properties of resist
for PCBs used in power conversion equipment, all from reputable
I have long wondered why solder resist on a PCB cannot be used to reduce
pollution degree and therefore creepage distance. Ever try to scrap it
off? I am sure that all product standards today, assume bare FR4 material
with no coating (no solder resist).
I know that IEC60664 calls out a bunch
Everyone
Our next EMC Chapter meeting will be held on 5 May 201 at the University of
York.
This is an opportunity to hear from universities about their latest research
work in electromagnetic compatibility related matters, to question and
comment on that work, and to hear of common problems that
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