Heat sink spring clip

Details Heat sink spring clip Heat sink spring clip

1997-05-21

1999-04-20

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361707, 361709, 361718, 361719, 257718, 257719, 257727, 165 802, 165 803, H05K 720

Patent

active

058962700

ABSTRACT:
A spring clip includes a continuous spring band forming an angular integral first spring finger for pressing an electronic device package against a flat surface of an apertured substrate. A first bend of less than 90.degree. forms a substantially linear intermediate first band portion extending at an acute angle from the spring finger and a second bend of about 180.degree. extends from the intermediate first band portion, these portions together forming an integral U-shaped member including at least one compressible barb for insertion into a substrate aperture to lock the chip in the substrate and to press a device package between the finger and the substrate. In one embodiment two spring fingers and two oppositely-facing barbs are provided on the U-shaped member so that two spaced packages can be clamped simultaneously on a substrate surface while utilizing a single aperture for the U-shaped member.

REFERENCES:
patent: 2825948 (1958-01-01), Parkin
patent: 3673643 (1972-07-01), Kindell
patent: 4964198 (1990-10-01), McCarthy
patent: 5466970 (1995-11-01), Smithers
patent: 5563450 (1996-10-01), Bader et al.

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