Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2006-06-06
2008-08-12
Lee, John R (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C257S292000, C438S057000
Reexamination Certificate
active
07411173
ABSTRACT:
An image sensor is provided. The image sensor includes a photodiode disposed in a semiconductor substrate and a first device isolating layer formed having an impurity with a conductivity type in the semiconductor substrate adjacent to the photodiode. The image sensor further includes a second device isolating layer composed of an insulating layer that covers the first device isolating layer. In addition, the image sensor further includes an interlayer insulating layer formed on the second device isolating layer and which is composed of a material with refractivity greater than that of the second device isolating layer.
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F. Chau & Associates LLC.
Lee John R
Samsung Electronics Co,. Ltd.
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