Radiant energy – Photocells; circuits and apparatus – Housings
Patent
1995-05-30
1997-11-25
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Housings
2502141, 250216, 257432, 437 8, G01J 100, H01L 310232
Patent
active
056915365
ABSTRACT:
In a photo-detector, a window pane member for covering a photosensitive semiconductor is selected from among plural samples having light transmittances different from each other in compliance with an intensity of output of the photosensitive semiconductor detected under a constant quantity of light incident on the photosensitive semiconductor, thereby compressing dispersion of outputs in the plural photo-detectors into a small range as a whole.
REFERENCES:
patent: Re35069 (1995-10-01), Hallenbeck et al.
patent: 4182977 (1980-01-01), Stricklin, Jr.
patent: 4309605 (1982-01-01), Okabe
patent: 5233178 (1993-08-01), Tokunaga
patent: 5289002 (1994-02-01), Tarn
patent: 5329131 (1994-07-01), Wijdenes et al.
Kodama Shuichi
Kondo Kazuhiro
Shimoyama Masaki
Lee John R.
Matsushita Electric - Industrial Co., Ltd.
Westin Edward P.
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