Patent
1974-12-11
1976-08-10
Larkins, William D.
357 55, H01L 3300, H01L 2906
Patent
active
039745147
ABSTRACT:
A body of semiconductor material having a very limited contact region. The contact region is adjacent an emitting surface of the body, is spaced from the sides of the body and extends no more than one-quarter the distance from the emitting surface to a surface opposite the emitting surface. That portion of the body in the vicinity of the contact region is the active region of the diode. The smaller the active region, relative to the total size of the body, the less the internal absorption of generated light in the body. A groove can be provided across the body adjacent to that end of the contact region opposite from the emitting surface. In the groove is a metallic layer which functions as a light reflector. Any light generated in the body striking the metallic surface may be reflected out to the emitting surface of the body.
REFERENCES:
patent: 3341937 (1967-09-01), Dill
patent: 3534179 (1970-10-01), Vitkus
patent: 3790902 (1974-02-01), Miller
patent: 3815045 (1974-06-01), Ito
patent: 3896473 (1975-07-01), DiLorenzo et al.
F. Nicoll "Mirrors for Semiconductor Injection Lasers," RCA Technical Note No. 765 (Apr. 1968) 4 pp.
J. Feeley et al., "Process for Forming Chrome-Gold Contacts," IBM Technical Disclosure Bulletin vol. 16 (Apr. 1974) p. 3670.
Ettenberg Michael
Kressel Henry
Ladany Ivan
Bruestle Glenn H.
Calder Daniel N.
Cohen Donald S.
Larkins William D.
Munson Gene M.
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