22 Jul
2005
22 Jul
'05
9:28 p.m.
>>>> "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