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Path: news.eternal-september.org!eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!weretis.net!feeder8.news.weretis.net!reader5.news.weretis.net!news.solani.org!.POSTED!not-for-mail From: Jan Panteltje <alien@comet.invalid> Newsgroups: sci.electronics.design Subject: Re: OT: Marcury has a layer of diamond 10 miles thick, NASA spacecraft finds Date: Fri, 02 Aug 2024 04:50:49 GMT Message-ID: <v8hoja$m4vj$1@solani.org> References: <v8agal$i5bk$1@solani.org> <ik9iaj9g0jp202thk66cgaeh0d24j380af@4ax.com> <v8c82s$1dhbr$1@dont-email.me> <p36laj1fmcvnagrqnd6rn4i13mt02p1hh6@4ax.com> <cnclajp2nr5g0b9a9k7sv9lnvvjrsi6771@4ax.com> <06snajlsbbf7iaeioo8tivbn0ncgk633fc@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; ISO-8859-15 Content-Transfer-Encoding: 8bit Injection-Date: Fri, 2 Aug 2024 04:50:50 -0000 (UTC) Injection-Info: solani.org; logging-data="726003"; mail-complaints-to="abuse@news.solani.org" User-Agent: NewsFleX-1.5.7.5 (Linux-5.15.32-v7l+) Cancel-Lock: sha1:GcihD9TYgHY19f3UTrmG6pz9ZYU= X-User-ID: eJwNy8kBwDAIA7CVQsGmGYdz/xFa/QWlsNwIGhY71ERL0U7Gs4s7kmmKkMDw6qRYIcauPIBPvafbS+jbf/gAZFEWGA== X-Newsreader-location: NewsFleX-1.5.7.5 (c) 'LIGHTSPEED' off line news reader for the Linux platform NewsFleX homepage: http://www.panteltje.nl/panteltje/newsflex/ and ftp download ftp://sunsite.unc.edu/pub/linux/system/news/readers/ On a sunny day (Thu, 01 Aug 2024 13:33:11 -0700) it happened boB <boB@K7IQ.com> wrote in <06snajlsbbf7iaeioo8tivbn0ncgk633fc@4ax.com>: >On Wed, 31 Jul 2024 15:00:49 -0700, John Larkin ><jjlarkin@highlandtechnology.com> wrote: > >>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. > >John, this would be used as a lower thermal resistance insulated >interface from case to heat sink. I wonder if you still need to use >the white bird shit on that interface ? What's wrong with Mica? Has been working for decennia here.