Coherent light generators – Particular temperature control – Heat sink
Patent
1992-06-26
1994-03-29
Epps, Georgia Y.
Coherent light generators
Particular temperature control
Heat sink
372 34, 257706, 257712, 257713, H01S 304
Patent
active
052992144
ABSTRACT:
A semiconductor laser is provided with a heat radiating component for radiating or dissipating heat which is generated in operation. In this heat radiating component, a polycrystalline diamond layer (3) synthesized by vapor deposition is formed on an upper surface of a stem (4). A semiconductor laser element (1) is bonded, e.g. by brazing to the surface of the vapor-deposited polycrystalline diamond layer (3) through a brazing filler metal (2). The heat radiating component has a thermal expansion coefficient which is the same as that of an LSI chip to be mounted thereon to provide an excellent heat radiating property.
REFERENCES:
patent: 5008737 (1991-04-01), Burnham et al.
Diamond--Film Synthesis Using DC Plasma Jet CVD by K. Kurihara et al., Fujitsu Sci. Techn, J. 25, Mar. 1989 pp. 44-51.
Diamond Thin Film: Applications in Electronics Packaging by D. Hoover et al, Solid State Technology Feb. 1991 pp. 89-91.
Diamond and Diamondlike Films: Deposition Processes and Properties by D. V. Deshpandey et al., Molecular Crystals and Liquid Crystals, Letters Section Mar. 1990, pp. 2294-2302.
Iguchi Takahisa
Nakai Tetsuo
Nakamura Tsutomu
Epps Georgia Y.
Fasse W. F.
Fasse W. G.
Sumitomo Electric Industries Ltd.
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