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Terrence Hermes Phones & Addresses
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5655 Tortuga Rd, San Diego, CA 92124 (858) 292-1923
Business Records
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Phones & Addresses
President
METAL TECHNIQUES, INC
5655 Tortuga Ct, San Diego, CA 92124
Publications
Us Patents
Method For Making Heat-Dissipating Elements For Micro-Electronic Devices
View pageUS Patent:
54137519, May 9, 1995
Filed:
May 20, 1993
Appl. No.:
8/064255
Inventors:
Frank J. Polese - San Diego CA
Walter V. Giniel - San Marcos CA
Terrence V. Hermes - San Diego CA
Vladimir Ocheretyansky - Santee CA
Walter V. Giniel - San Marcos CA
Terrence V. Hermes - San Diego CA
Vladimir Ocheretyansky - Santee CA
International Classification:
B22F 312
US Classification:
419 23
Abstract:
High density heatsinks for microcircuit packages are formed by first mold-pressing a composite powder of free-flowing spray-dried particles of copper and at least one other denser material such as tungsten and/or molybdenum, the proportions of which are adjusted to match the thermal expansion characteristics of the microcircuit material. The pressed compacts are then heated in a sintering furnace at 1,200. degree. C. to 1,350. degree. C. in order to effect an homogeneous distribution of the melting copper throughout the structure. The process results in a readily usable component having good thermal conductivity and matched thermal expansion that requires no further machining.