Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2006-10-24
2006-10-24
Epps, Georgia (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C257S290000
Reexamination Certificate
active
07126102
ABSTRACT:
A photoelectric conversion device has pixels arranged in an array. Each pixel includes a light receiving region for converting light to signal charges and an insulation film formed on a surface of the light receiving region. Each pixel further includes transistors, including an amplifying transistor for amplifying the signal charges. A reflection prevention film is provided that has a refractive index higher than that of the insulation film and is arranged above the light receiving region, with the insulation film disposed between the reflection prevention film and the light receiving region. Film thicknesses of the insulation film and gate insulation films of the transistors are different from each other.
REFERENCES:
patent: 6166405 (2000-12-01), Kuriyama et al.
patent: 6635912 (2003-10-01), Ohkubo
patent: 2004/0080009 (2004-04-01), Sandhu et al.
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Japanese Patent Office Official Letter, Jan. 17, 2005 (translation).
Japanese Patent Office Official Letter, Apr. 20, 2005 (translation).
Inoue Shunsuke
Itano Tetsuya
Yuzurihara Hiroshi
Epps Georgia
Livedalen Brian J.
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