Clamp for securing a power device to a heatsink

Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Device held in place by clamping

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257726, H01L 2334

Patent

active

055920217

ABSTRACT:
A clamping system is provided for effectively securing at least one power device in a thermally-conductive and electrically-insulative manner to a heatsink with a clamp member having an elongated member portion adapted to bear against a device, and a second member portion having an end adapted to bear against a heatsink. A fastener exerts a force on the member between the device and the second member portion to force an end of the second member portion into contact with the heatsink, and cause the member portion overlying the device to reciprocally exert a pressure on the device against the heatsink.

REFERENCES:
patent: 4069497 (1978-01-01), Steidlitz
patent: 4259685 (1981-03-01), Romano
patent: 4845590 (1989-07-01), Mikolajczak
patent: 5225965 (1993-07-01), Bailey et al.
patent: 5321582 (1994-06-01), Casperson
patent: 5327324 (1994-07-01), Roth
patent: 5343362 (1994-08-01), Solberg
patent: 5396404 (1995-03-01), Murphy et al.
Sketch of Heatsink used in DSV Power Converter Model DSA-0302(Taiwan) + picture of unit and Heatsink in situ.
Aavid Engineering, Inc. Catalog 1200, pp. 22, 23, 26-33.
Thermalloy Co.--Heatsink Catalog, pp. 36-41 and 48-49.

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