Semiconductor light-receiving device with multiple...

Details Semiconductor light-receiving device with multiple... Semiconductor light-receiving device with multiple...

2006-09-12

2006-09-12

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C257S290000

Reexamination Certificate

active

07105798

ABSTRACT:
A semiconductor light-receiving device includes: a substrate that has a first surface and a second surface facing each other; a first semiconductor layer that is formed on the first surface of the substrate and includes at least one semiconductor layer of a first conductivity type; a light absorption layer that is formed on the first semiconductor layer and generates carriers in accordance with incident light; a second semiconductor layer that is formed on the light absorption layer and includes at least one semiconductor layer of a second conductivity type; a first electrode part that is electrically connected to the first semiconductor layer and applies a first potential thereto; a second electrode part that is electrically connected to the second semiconductor layer and applies a second potential thereto; and a third semiconductor layer of the second conductivity type that is interposed between the first surface of the substrate and the first semiconductor layer.

REFERENCES:
patent: 6043550 (2000-03-01), Kuhara et al.
patent: 6894267 (2005-05-01), Kakinuma
patent: 2001-127333 (2001-05-01), None

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