[remove soldered chips] Cheap & Dirty

The Dark force of dance batzman at all-electric.com
Mon May 24 06:35:08 CEST 1999


Y-ellow Paul 'n' y'all.

At 11:23 AM 05/24/99 +1000, Paul Perry wrote:

>I guess you would heat up the sand and then add the board!

>From the way I understood it, it took a minute or two before the heat
permutated through the copper such that it would melt the solder. I could
be wrong but if that were the case then you'd stand a good chance of
cooking the chips. Literally. :) Add a bit of onion and you could have a
McDonalds happy silicon deal meal. :)

>and i dont know about this bending the pins over!! are you shooting your
stuff 
>to the moon or something? I dont know any production gear that (shudder)
>bends the 
>chip legs flat..

You've obviously never pulled anything from a DEC board. Actually anything
that is Mil-spec has to be bent over like that. But even industrial
pick'n'place can cause this to happen simply because it does not take the
spring out of the pins as with a pin straightener. The pins spring out to
the extremes of the holes which means they don't simply fall out.

In my experience, and I've done literally thousands of boards, I use to
manage an electronics recycling house here at one time, some boards are
easy but most just plain suck.

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