Backside-illuminated imaging device

Details Backside-illuminated imaging device Backside-illuminated imaging device

2008-06-19

2011-12-06

Louie, Wai Sing (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

C257S225000, C257S059000, C257S072000, C257S292000, C257S291000, C257S273000, C257S098000, C257S080000

Reexamination Certificate

active

08072007

ABSTRACT:
A backside-illuminated imaging device is provided and includes: a plurality of charge accumulating areas in the semiconductor substrate which accumulate the electric charges; and a plurality of filters above a backside surface of the semiconductor substrate corresponding to the respective charge accumulating areas. The plurality of filters includes different color filters which transmit different color components of the light from one another and luminance filters each having a spectral characteristic correlated with a luminance component of the light, the plurality of charge accumulating areas includes first charge accumulating areas corresponding to the respective color filters, and second charge accumulating areas corresponding to the respective luminance filters, and the second charge accumulating areas includes a third charge accumulating area having a size larger than those of the first accumulating areas.

REFERENCES:
patent: 6756618 (2004-06-01), Hong
patent: 7456384 (2008-11-01), Toda
patent: 7535073 (2009-05-01), Ezaki
patent: 2005/0139828 (2005-06-01), Maruyama et al.
patent: 11-355790 (1999-12-01), None
patent: 2004-304706 (2004-10-01), None
patent: 2005/142221 (2005-06-01), None
patent: 2006-73682 (2006-03-01), None

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