Imaging apparatus including a solid state imaging device...

Details Imaging apparatus including a solid state imaging device... Imaging apparatus including a solid state imaging device...

2008-03-06

2010-06-08

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S335000

Reexamination Certificate

active

07732745

ABSTRACT:
An imaging apparatus includes a solid state imaging device having a light receiving characteristic in which an amount of light received reaches a maximum when an angle of incidence of parallel light, radiated at continuously changing angle, is not vertical (angle θ of incident light in the range of 3° to 15°) to a light receiving surface. This characteristic changes the amount of light received greatly when an aperture stop is opened, and enhances an opening/closing effect of the aperture stop. The solid state imaging device includes a core/clad light guide path structure, whose core serves as a light guide path. This light guide path includes a columnar portion located above a photodiode, and a lens portion on the columnar portion.

REFERENCES:
patent: 7119319 (2006-10-01), Noto et al.
patent: 2005-142429 (2005-06-01), None
RCA, Electro-Optics-Handbook, 1974, p. 159.

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