snipped-for-privacy@zekfrivolous.com (GregS) wrote in news:gtpv5h$goe$ snipped-for-privacy@usenet01.srv.cis.pitt.edu:
current pennies are copper plated ZINC. Older ones are a copper alloy,and ring differently when bounced off a hard surface.
snipped-for-privacy@zekfrivolous.com (GregS) wrote in news:gtpv5h$goe$ snipped-for-privacy@usenet01.srv.cis.pitt.edu:
current pennies are copper plated ZINC. Older ones are a copper alloy,and ring differently when bounced off a hard surface.
I would've thought that any type would be fine for this purpose.
an rf transistor.
Hopefully it was a pre-1976 penny, as the Zinc that makes up 98% of a modern penny is a poorer conductor than both Cu or Al.
They have been growing diamonds for over 60 years.
Don Klipstein wrote: [...]
Indeed. The most important factor would be that the spacer be as flat as possible on both sides, for best heat transfer.
grease
be
Probably just as well - it'd be a bugger to machine...
What's the heat sink made out of?
Can it be machined to include a suitable mounting pad? This will eliminate one junction.
Transparent.
Bob
Only good for whale containment systems.
Stretch my old ring out.
I Am Kirk Johnson. "Anal Stretching, Wrenching & Expanding Specialist"
sink.
interface on an rf transistor.
=46or those that may be interested: =20
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