Imaging device

Details Imaging device Imaging device

2009-05-27

2011-12-20

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

Reexamination Certificate

active

08080776

ABSTRACT:
A close contact type imaging device is an imaging device for acquiring an image of an object in a state that the object is in close contact to an image sensor. This imaging device has an angle limiting filter. The angle limiting filter is constructed from: a glass substrate of a parallel plate; and a dielectric multilayer film provided on the glass substrate. This angle limiting filter transmits light within a particular wavelength range approximately perpendicularly incident onto the surface, and shields light outside the particular wavelength range and light within the particular wavelength obliquely incident onto the surface.

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