CLIVE COLLINS wrote:
>We have a machinable ceramic in the UK called Macron and it has all the
>characteristics of ceramic but machines like a dream with new sharp tools.
>The stuff will take temperatures up to about 2000 degrees and it has a very
>stable physical attribute. I have used it in the past for excellent stand off
>insulators and it does not appear to be frequency sensitive at least up to
>2.0Ghz.
>It is not cheap
>
Is that the stuff RS sell - if so it is very expensive, although I know
RS is not the cheapest place to get bits from, I rather suspect the cost
will be far more than buying ceramic insulators. Of course, you can get
what size you want, but if it is what I think it is, the cost is very
high indeed.
--
Dr. David Kirkby,
G8WRB
Please check out http://www.g8wrb.org/
of if you live in Essex http://www.southminster-branch-line.org.uk/
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