Heat sink for solid state devices connected to a circuit board

Details Heat sink for solid state devices connected to a circuit board Heat sink for solid state devices connected to a circuit board

1986-02-18

1987-05-26

Pellinen, A. D.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

165 803, 165185, 174 16HS, 361388, 357 81, H05K 720

Patent

active

046690280

ABSTRACT:
The present invention removably mounts a plurality of solid state devices and a circuit board to a chassis heat sink by utilizing a heat conductive device formed with a base and a leg portion with the leg portion extending from the base and having a first relatively flat surface and an angled end position. The base of the device is adapted to be mounted to a chassis heat sink and the relatively flat surface is adapted to contact one side of each of the plurality of solid state devices. A number of cap members having an inverted L-shaped cross section, with first leg portions and second leg portions are provided with an angled surface for mating with the angled end portion such that the first leg portions are substantially parallel to the first relatively flat surface. A fastener member is provided for urging the first leg portions of the cap member toward the first relatively flat surface for sandwiching the plurality of solid state devices in thermal contact with the heat conductive device and the number of cap members.

REFERENCES:
patent: 3200296 (1965-08-01), Bruestle
patent: 3568761 (1971-03-01), Berger
patent: 3641474 (1972-02-01), Owens
patent: 3796254 (1974-03-01), Stooksberry et al.
patent: 4012769 (1977-03-01), Edwards et al.
patent: 4288839 (1981-09-01), Prager et al.
Joy, "Power Transistor Heat Sink Clamp Plate", IBM Technical Disclosure Bulletin, vol. 26, No. 10A, 3/84, pp. 5184-5185.

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