Repairing IC pins

Paul Koning pkoning at equallogic.com
Fri Jul 22 15:28:59 CDT 2005


>>>>> "Dwight" == Dwight K Elvey <dwight.elvey at amd.com> writes:

 >> From: "Paul Koning" <pkoning at equallogic.com>
 >> 
 >>>>>>> "Dwight" == Dwight K Elvey <dwight.elvey at amd.com> writes:
 >>
 Dwight> ...  I have a number of RAM IC that are gradually failing
 Dwight> because they have the iron cored pins. I guess these were
 Dwight> cheaper ...
 >> Probably not.  Chances are the pin is actually made of Kovar or
 >> some

 Dwight> Hi Paul No, these are made with iron. It clings solidly to a
 Dwight> magnet. The cores are definitely form one of the iron oxides.
 Dwight> These are on plastic and not ceramic packages. Not many
 Dwight> materials cling that well to a magnet, other than iron that I
 Dwight> know of. 

Actually, alloys of iron, or nickel, or cobalt all cling to magnets,
and Kovar is definitely one of those.

    paul



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