We used some stuff called Silpad(commerical name?). A gray sorta smooth cloth
looking stuff. Both insulates and conducts heat.
> Hey folks,
>
> I need to find some sort of material that I can place
> between a TO-220 device and a heatsink, that would
> "fill" an uneven gap.  I only know of mica sheets and
> thermal heat-sink grease (which I'm using), but I'm
> need something more "squishable" that will conform to
> the shape of the gap when squeezed.  Of course, if
> needs to promote thermal heat transfer, but does not
> matter if it conducts electricity or not.
>
> No, it's not easy to adjust it so that the surfaces
> are more parallel to each other.


Mike DeMetz N9GEZ
Elkhart, IN
mailto:n9gez@qsl.net
http://www.elkhart.net/~miked

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