IIR document

LIQUID NITROGEN COOLING IN A CMOS COMPUTER SYSTEM.

Summary

IT IS WELL KNOWN THAT THE PERFORMANCE OF CMOS CIRCUITS IMPROVES AT REDUCED TEMPERATURES. A SMALL CMOS COMPUTER HAS BEEN DESIGNED AND CONSTRUCTED IN WHICH THE CENTRAL PROCESSING UNIT OPERATES IMMERSED IN LIQUID NITROGEN AT APPROXIMATELY TWICE THE CLOCK SPEED AS A SIMILAR ROOM-TEMPERATURE SYSTEM. THE SYSTEM USES A SINGLE-STAGE GIFFORD-MCMAHON REFRIGERATOR AND AN ELECTRONIC CONTROL SYSTEM TO MAINTAIN THE TEMPERATURE AND PRESSURE WITHIN NARROW LIMITS.

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Pages: 217-221

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Details

  • Original title: LIQUID NITROGEN COOLING IN A CMOS COMPUTER SYSTEM.
  • Record ID : 1992-2040
  • Languages: English
  • Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
  • Publication date: 1991/08/10
  • Document available for consultation in the library of the IIR headquarters only.

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