Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2007-12-11
2007-12-11
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S216000, C257S432000, C257S433000
Reexamination Certificate
active
10769861
ABSTRACT:
To provide a light-receiving element capable of high-speed operation including an optical member whose setting position, shape and size are advantageously controlled and its manufacturing method, and an optical module and an optical transmitting device including the light-receiving element, a light-receiving element includes a columnar part provided in a substrate. A top surface of the columnar part includes a receiving surface, and an optical member is provided on the top surface of the columnar part. The columnar part includes a first conductive type layer, a light absorbing layer, and a second conductive type layer. The light absorbing layer is formed between the first conductive type layer and the second conductive type layer.
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Kaneko Tsuyoshi
Onishi Hajime
Bui-Pho Pascal M
Luu Thanh X.
Oliff & Berridg,e PLC
Seiko Epson Corporation
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