Number | Name | Date | Kind |
---|---|---|---|
3122004 | Aberle et al. | Feb 1964 | |
3133144 | Cottingham et al. | May 1964 | |
3615934 | Bower | Oct 1971 | |
3905508 | Hibl et al. | Sep 1975 | |
4207827 | Gondouin | Jun 1980 | |
4279127 | Lonesworth | Jul 1981 | |
4291541 | Kneip, Jr. et al. | Sep 1981 | |
4462214 | Ito | Jul 1984 | |
4502296 | Ogata et al. | Mar 1985 |
Entry |
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"The Cray-2 Computer System", MP-0201, Cray Research, Inc. 1985. |
IBM Technical Disclosure Bulletin, vol. 18, No. 4, 9/1975, entitled Close-Cycle Liquid Nitrogen Refrigeration System for Low-Temperature Computer Operation. |