H - Electricity – 05 – K
Patent
H - Electricity
05
K
26/111, 347/4
H05K 7/20 (2006.01) C09K 5/00 (2006.01) G11B 33/14 (2006.01)
Patent
CA 1306795
42542 CAN 7A Abstract of the Disclosure A thermal transfer means comprising a flexible bag or pouch filled with a chemically inert, electrically nonconductive, nonflammable, essentially gas-free, thermally stable, thermally conductive, body of liquid comprising fluorochemical liquid. Said bag is fabricated from a flexible, durable plastic film that has low permeability to air and the fluorochemical liquid. The configuration of the bag is conformable to adapt to the geometry of the space, formed between the surface of a heat generating component or components and the surface of a heat sink, into which the bag is inserted, thereby contacting said surfaces and providing a thermal conduction path for heat generated by the heat generating component during operation from said component to the heat sink. The liquid has a boiling point such that it does not boll at the highest operating temperature of the device. Also provided is a method for making and filling the bag such that after sealing the bag is substantially gas free.
574944
Danielson Richard Dale
Hesselroth David Albert
Stein Ralph John Jr.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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