H - Electricity – 01 – J
Patent
H - Electricity
01
J
345/26, 352/32.4
H01J 40/14 (2006.01) G11B 7/09 (2006.01) G11B 7/13 (2006.01) H01L 31/0203 (2006.01) H01L 31/0232 (2006.01)
Patent
CA 1269163
Abstract: A photodetector comprising a photocell assembly including a substrate and at least one photocell formed on the substrate and having a light receiving face. The photocell assembly is completely embedded in a transparent resin molded body which has a light receiving surface to permit incoming light incident thereupon to travel direct to the light receiving face of the photocell. The light receiving surface is roughened, recessed, raised, or inclined. The result is a reduction in the temperature-dependent change in the tracking error signal that normally arises due to light interference.
497836
Hama Ritsuo
Ito Kazuo
Kudo Toshiyuki
Kirby Eades Gale Baker
Sanyo Electric Co. Ltd.
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