[CTS] Re: Helppppp Mr Wizard! :-)
- From: "Russ Blakeman" <rhb57@xxxxxxx>
- To: <computertalkshop@xxxxxxxxxxxxx>
- Date: Wed, 6 Mar 2002 15:20:07 -0600
The typewriter eraser still works, just now you need to clean the oils off
with a solvent and you can't bear down as hard or as long since the copper
plate on modern PCBs will wear through, or peel off.
=> -----Original Message-----
=> From: computertalkshop-bounce@xxxxxxxxxxxxx
=> [mailto:computertalkshop-bounce@xxxxxxxxxxxxx]On Behalf Of
=> Cuffy10@xxxxxxx
=> Sent: Wednesday, March 06, 2002 11:26 AM
=> To: computertalkshop@xxxxxxxxxxxxx
=> Subject: [CTS] Re: Helppppp Mr Wizard! :-)
=>
=>
=> In a message dated 3/6/02 2:55:33 AM Pacific Standard Time, hdb@xxxxxxx
=> writes:
=>
=>
=> > IMHO using an eraser to clean contacts is not a good idea at
=> all. They may
=> > appear cleaner, but in fact have a thin film over them and
=> could be worse
=> > than before. I use Stabilant 22A, a product made in Canada.
=> You brush a
=> > little on with a cotton swab and that's it. This is
=> especially good for
=> > memory modules. This stuff is not cheap, but if you ever have contact
=> > problems it can save a lot of headaches.
=> >
=>
=> The rationale is simple Hal.............. 49 years ago when I first
=> experienced electrical contact problems an eraser was a favorite
=> tool. You
=> are correct about the film and hence the typewriter type
=> eraser.......... a
=> pencil sharpener cleans the eraser.......... the light grey color of the
=> rubber in the eraser shows any contaminents immediately.........
=> a turn in
=> the sharpener solves that problem.
=> The product you suggest, expensive or not, was not available to
=> me in 1953 so
=> I used the suggested eraser. It was simple, available, and it worked. I
=> subscribe to the KISS theory so it would be hard as hell to change now.
=> Of course, to clean large surface areas of copper (not in a PC)
=> I still use
=> muriatic acid (pool acid) and I'm sure there must be a product
=> that's sold by
=> the ounce instead of by the gallon that will do as well. I have
=> an adequate
=> supply of muriatic acid on hand so I'll probably never get to
=> the point where
=> I'll have to find out?
=>
=> joe
=>
=>
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