Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1986-11-07
1987-12-29
Tolin, G. P.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
165 803, 174 16HS, 248505, 267160, H05K 720
Patent
active
047164948
ABSTRACT:
A heat sink (60) having one or more cooling fins (64) along a central shaft (66) is securable to an active device substrate (12) by a spring clip (80) whose latch sections (92) are latched under latch projections (44) on side walls (40) of the housing (30) to which the substrate (12) is mounted. The bow-shaped formed wire spring clip (80) has arcuate inner sections (82) disposed against the central shaft (66) of the heat sink (60) and exerts spring force downwardly on a retention fin (68) of the heat sink (60) when latched to the housing (30), which holds the bottom surface (62) of the heat sink (60) against the top substrate surface (22) to create a thermal connection.
REFERENCES:
patent: 3495131 (1970-02-01), Melcher
patent: 4004195 (1977-01-01), Harayda
patent: 4215361 (1980-07-01), McCarthy
patent: 4345267 (1982-08-01), Corman et al.
patent: 4509839 (1985-04-01), Lavochkin
patent: 4587595 (1986-05-01), Staples
patent: 4607685 (1986-08-01), Mitchell, Jr.
patent: 4660123 (1987-04-01), Hermann
AMP Data Sheet 78-511 "Chip Carrier Sockets-Low Height" AMP Incorporated, Harrisburg, Pa.
Semiconductor Accessories, publication No. 84-HS-3, p. 12, "Integrated Circuit Heat Sinks", Thermalloy Inc., Dallas, Tex.
Bright Edward J.
Sinisi David B.
AMP Incorporated
Ness Anton P.
Tolin G. P.
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