cleaning keyboards in the dishwasher

Dwight Elvey dwight.elvey at amd.com
Fri Jan 13 16:15:29 CST 2006


>From: "Chuck Guzis" <cclist at sydex.com>
>
>On 1/13/2006 at 2:05 PM Sridhar Ayengar wrote:
>
>>Bismuth-tin solder with high-temperature soldering gear works well 
>>enough, doesn't it?
>
>Not really--"high temperature" is relative in this case.  I use an
>acetylene-air torch for soft-soldering; many use oxyacetylene (you're
>dealing with a big hunk of metal and local heating is more improtant that
>getting the entire part hot).  The problem is that joints are of the
>plumbing sort--you depend on capillary action to form the joint and fill
>any small gaps.  Eutectic Sn/Pb is ideal.  The substitutes, including some
>rather expensive indium alloys that I've tried, just don't flow the same
>way.
>
>I don't know of any plumber who perfers lead-free solder to the leaded
>kind.

Hi
 For these things, it really depends on the flux used. You need
to be using a higher temperature flux.
Dwight





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