Charge transfer path having lengthwisely varying channel...

Details Charge transfer path having lengthwisely varying channel... Charge transfer path having lengthwisely varying channel...

2005-07-05

2005-07-05

Ho, Tuan (Department: 2615)

Television

Camera, system and detail

Solid-state image sensor

C348S316000, C257S215000

Reexamination Certificate

active

06914633

ABSTRACT:
A solid state image pickup device of high integration, high photoelectric conversion and high transfer performances is made of: a plurality of photoelectric conversion elements disposed in a matrix shape on the surface of a semiconductor substrate, the photoelectric conversion elements in an even column being shifted by about a half of a photoelectric conversion element pitch in the even column from the photoelectric conversion elements in an odd column, and the photoelectric conversion elements in an even row being shifted by about a half of a photoelectric conversion element pitch in the even row from the photoelectric conversion elements in an odd row; a plurality of transfer channel regions formed on the semiconductor substrate, each being disposed near a corresponding photoelectric conversion element column, having a stripe plan shape, and extending and weaving along the column direction; and a plurality of transfer electrodes traversing the transfer channel regions and extending as a whole in the row direction, the transfer electrodes having an overlap structure that end portions of adjacent transfer electrodes overlap to define a plurality of border lines of the transfer channel region, and defining a plurality of charge transfer sections partitioned by the border lines in the channel regions, wherein each transfer channel region includes a region where a plurality of charge transfer sections are juxtaposed along the row direction.

REFERENCES:
patent: 4884143 (1989-11-01), Uya
patent: 5274476 (1993-12-01), Lee
patent: 5306906 (1994-04-01), Aoki et al.
patent: 42 26 828 (1993-02-01), None
patent: 44 22 825 (1995-01-01), None
Patent Abstracts of Japan, vol. 018, No. 643, Dec. 7, 1994 & JP 06 252375 A, Sep. 9, 1994.
Patent Abstracts of Japan, vol. 018, No. 326, Jun. 21, 1994 & JP 06 077450 A, Mar. 18, 1994.

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