RE: (ET) RE: Conformal (Re: anyone EVER fried a zilla?)

["T Humphrey" <thumphrey mynra com>]

Oops wrong list, sorry



>
>-----Original Message-----
>From: T Humphrey [mailto:thumphrey mynra com] 
>Sent: Thursday, February 12, 2004 12:03 PM
>To: elec-trak cosmos phy tufts edu
>Subject: (ET) RE: Conformal (Re: anyone EVER fried a zilla?)
>
>
>Conformal Coating is the crap that engineers have put onto 
circuit 
>cards to make it harder for technicians to troubleshoot and 
>repair.  :-) ;-)
>
>Oh, it also does a pretty good job of keeping corrosion and 
>moisture away from the circuitry...
>
>I've seen it mainly in a spray can. But my exposure to it is 
based 
>entirely on having scraped/burned it off an area, and need to 
>reapply it, thus the spray can.
>
>
>Stay Charged!
>Hump
>
>>
>>
>>-----Original Message-----
>>From: Jim Coate [mailto:jbc coate org]
>>Sent: Thursday, February 12, 2004 11:23 AM
>>To: ev listproc sjsu edu
>>Subject: Conformal (Re: anyone EVER fried a zilla?)
>>
>>
>>What exactly is "conformal coating"?
>>
>>I've heard various places that it adds resistance to moisture. Or
>to 
>>heat. Or to cold. Or to the flu. Does one get a bucket of
>Conformal and 
>>paint it on a PC board?
>>
>>Otmar wrote:
>> > ... It seems that the boards had
>>> not been properly cleaned before the conformal coating step.
>That was
>>> unfortunate because it was hard to tell if it was a design or
>>> manufacturing problem.
>>
>>_________
>>Jim Coate
>>1970's Elec-Trak
>>1992 Chevy S-10 BEV
>>1997 Chevy S-10 NGV
>>http://www.eeevee.com
>>
> 
>
>
> 
>                   
>
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