Photodiode array and image pickup device using the same

Details Photodiode array and image pickup device using the same Photodiode array and image pickup device using the same

2009-04-08

2011-10-18

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S214100, C257S004000, C257S005000, C257S059000

Reexamination Certificate

active

08039780

ABSTRACT:
A photodiode array includes a plurality of photodiodes arranged in a single semiconductor laminate including a first conductivity-type semiconductor layer and an absorption layer overlying the first conductivity-type semiconductor layer. The photodiode array also includes a functional portion among the photodiodes in a predetermined proportion. The functional portion acts as a monitor light receiving portion and/or a charge sweep portion. Each of the photodiodes and functional portion has a second conductivity-type region reaching the absorption layer from the surface of the semiconductor laminate and an electrode in ohmic contact with the second conductivity-type region.

REFERENCES:
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patent: 2006/0017817 (2006-01-01), Okubo
patent: 06-165049 (1994-06-01), None
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patent: 2007-201432 (2007-08-01), None
Cohen et al., “Near-IR imaging cameras operate at room temperature”, Laser Focus World, pp. 109-113 (1993).

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