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'[OT] Diamond Deposition methods? (Was: Re: Design '
1998\11\13@031238 by Mark Willis

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I remember hearing rumors years ago of a method (in the USSR) where
thin uniform diamond coatings were, fairly readily, coated onto most
anything relatively easily (i.e. knife edges, etc.) - Anyone know if
that's a reality or not?  (Perhaps this is what's being used for the
coatings in lasers & the multi-chip modules,  I hope? <G>  Or is
something like diamond "roadway" embedded in epoxy resin or something
what's in use nowadays?  I'm looking for diamond "plating", in effect.)

 Friend & I are more kidding about making IC's as a specialty shop,
than in using diamonds for heat sinking (He knows enough about heat
transfer that I don't doubt him at all, I just mis-communicated.  Mainly
I doubt our ability to do that type of thing, unless we both drop some
other plans in progress!)

 Maybe some of that data's more available nowadays?  (Not just usable
for heat sinking, one widget I want to make might work if it's pivot
bearing surfaces wouldn't wear out in a month or so...)

 Mark, spam_OUTmwillisTakeThisOuTspamnwlink.com

Rigby-Jones, Michael [PAI01:4837:EXCH] wrote:
{Quote hidden}

1998\11\13@093948 by Andy Kunz

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>I remember hearing rumors years ago of a method (in the USSR) where
>thin uniform diamond coatings were, fairly readily, coated onto most
>anything relatively easily (i.e. knife edges, etc.) - Anyone know if
>that's a reality or not?  (Perhaps this is what's being used for the

It's a reality.  I haven't the foggiest idea of HOW, but it's apparently
do-able.

Andy


==================================================================
Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
==================================================================

1998\11\13@121232 by Richard A. Smith

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On Fri, 13 Nov 1998 08:16:24 -0500, Andy Kunz wrote:

>>I remember hearing rumors years ago of a method (in the USSR) where
>>thin uniform diamond coatings were, fairly readily, coated onto most
>>anything relatively easily (i.e. knife edges, etc.) - Anyone know if
>>that's a reality or not?  (Perhaps this is what's being used for the
>
>It's a reality.  I haven't the foggiest idea of HOW, but it's apparently
>do-able.

The do it using some process known as CVD, Chemical Vapor Deposition.

I do know that it was VERY expensive.  Thats why they had him writing a simualat
ion program for the laser cutter so that they
could test various things with our buring up any diamond.

Anyone who is interested in finding more should check:

http://www.hidec.engr.uark.edu



--
Richard A. Smith                         Bitworks, Inc.
rsmithspamKILLspambitworks.com               501.521.3908
Sr. Design Engineer        http://www.bitworks.com

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