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.
-- Jim Yanik jyanik at kua.net
I would've thought that any type would be fine for this purpose.
-- W . | ,. w , "Some people are alive only because \\|/ \\|/ it is illegal to kill them." Perna condita delenda est ---^----^---------------------------------------------------------------
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.
-- W . | ,. w , "Some people are alive only because \\|/ \\|/ it is illegal to kill them." Perna condita delenda est ---^----^---------------------------------------------------------------
grease
be
Probably just as well - it'd be a bugger to machine...
-- W . | ,. w , "Some people are alive only because \|/ \|/ it is illegal to kill them." Perna condita delenda est ---^----^---------------------------------------------------------------
What's the heat sink made out of?
Can it be machined to include a suitable mounting pad? This will eliminate one junction.
-- Paul Hovnanian mailto:Paul@Hovnanian.com ------------------------------------------------------------------ Due to recent budget cuts, the light at the end of the tunnel has temporarily been turned off.
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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