Path: ...!Xl.tags.giganews.com!local-4.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail
NNTP-Posting-Date: Wed, 31 Jul 2024 22:00:51 +0000
From: John Larkin <jjlarkin@highlandtechnology.com>
Newsgroups: sci.electronics.design
Subject: Re: OT: Marcury has a layer of diamond 10 miles thick, NASA spacecraft finds
Date: Wed, 31 Jul 2024 15:00:49 -0700
Organization: highland technology
Message-ID: <cnclajp2nr5g0b9a9k7sv9lnvvjrsi6771@4ax.com>
References: <v8agal$i5bk$1@solani.org> <ik9iaj9g0jp202thk66cgaeh0d24j380af@4ax.com> <v8c82s$1dhbr$1@dont-email.me> <p36laj1fmcvnagrqnd6rn4i13mt02p1hh6@4ax.com>
X-Newsreader: Forte Agent 3.1/32.783
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Lines: 39
X-Trace: sv3-IDGiiuPWUotwVHcNn0RV/gp45Gjjuuz+pN/DVIaDkz4JXYRXdyCxoeWQg6yTFaMokMtgharEP1UmlWd!6EB8b4f2ajD39py1M8c++QRQ10ya3K4+qnLVFMUnb3mh2JZwBDBMxcAlj2GdmLAh4yr1sETDyX9w!0m0Vbg==
X-Complaints-To: www.supernews.com/docs/abuse.html
X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
X-Postfilter: 1.3.40
Bytes: 2532

On Wed, 31 Jul 2024 13:04:54 -0700, boB <boB@K7IQ.com> wrote:

>On Wed, 31 Jul 2024 12:38:15 +1000, Bill Sloman <bill.sloman@ieee.org>
>wrote:
>
>>On 31/07/2024 3:46 am, john larkin wrote:
>>> On Tue, 30 Jul 2024 10:46:45 GMT, Jan Panteltje <alien@comet.invalid>
>>> wrote:
>>> 
>>>> Mercury has a layer of diamond 10 miles thick, NASA spacecraft finds
>>>> https://www.space.com/mercury-diamond-layer-10-miles-thick-nasa-messenger#main
>>>>
>>>> Now there is an incentive to go!
>>> 
>>> Diamond, like gold, is valuable because it's rare. Accessing cubic
>>> miles of diamonds would trash its value.
>>
>>Wrong. Diamond is light, hard, strong and has very high thermal 
>>conductivity. You can buy synthetic diamond heat-sinks right now.
>>
>>https://www.msesupplies.com/products/diamond-heat-sink-thermal-conductivity-1500w-m-k?variant=39601902846010
>>
>>-- 
>>Bill Sloman, Sydney
>
>
>Would love to have some diamond (man-made is fine)  heat sink
>insulator material !  
>
>boB


If you mean an insulator between a power transistor and an aluminum or
copper heat sink, a thin aluminum nitride insulator would be almost as
good as diamond. Or hard anodize.

Really using the heat sink would require lateral heat spreading,
namely a big thick slab of diamond.