Toby,
If it is a hard, brittle ceramic-like slab, it is probably alumina (aluminum oxide). It is a good electrical insulator and a reasonably good thermal conductor. Beryllium oxide looks similar, but is unlikely here because of its hazards.
--John Gord
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On Wed, Jul 1, 2020 at 08:52 PM, <toby@...> wrote:
Hi,
In preparation for testing/replacing components on the HV & regulator
board, I removed it, and seem to have accidentally broken one of the
heatsink pads under a bottom transistor (see pic).
What is this material?
/g/TekScopes/photo/249616/0?p=Created,,,20,2,0,0
Should it be used with thermal paste or not?
Thanks
--Toby
