Thread: Cold/Heat
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Old January 24th 06, 04:42 AM posted to rec.radio.cb
Frank Gilliland
 
Posts: n/a
Default Cold/Heat

On Mon, 16 Jan 2006 03:27:51 GMT, james wrote
in :

On Sat, 14 Jan 2006 18:46:25 GMT, Lancer wrote:

+Thats total bull****...What happens if your tip has a 1,000 of static
+on it? ESD control is supposed to eliminate the difference in
+potential. ANSI ESD standards state that "everything should be at the
+same potential" That means the operator or person, all test equipment
+and irons. Why don't you do a search on ANSI ESD standards and find
+out for yourself... You are cluesless about ESD...

****

IF you are properly grounded, once you grab the handle of the
soldering iron it will within seconds no longer be at 1000 volts
potential.



Gee, then why bother to make soldering irons with grounded tips?


Maybe you should also read your Ansi Standards a bit more
and understand static prevention. Once you are grounded touching any
other ungrounded object will dissapate the charge built in it. That
charge will drain through your body to ground within a very short
period.



It's clear that you missed the physics demonstration with the balloon,
the glass rod and the rabbit fur.


Besides most ICs can shrug off 1KV with no damage.



Bull****. Take -any- chip you can find, hook a 1kV source (DC -or- AC)
across a ground pin and any non-ground pin, then see if it still
works. It won't. Unless it's designed for 1kV I can guarantee that you
will fry the chip. Try it again at only 100V and you will get the same
results.


It is neat to see
what a 15KV jolt does to the poly layers and the protective zeners on
an IC. If you ever get a chance to do some electron scanning of static
damage to the die pad area of an IC, do so. It is a really neat to see
what 15KV can do.



Been there, done that, got the T-shirt, coffee mug, bobble-head doll
and Seahawks jacket. Now if only the Mariners could get their act
together.....









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