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US Patent 9846076 Spectral sensor

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
98460761
Patent Inventor Names
Takashi Kasahara1
Katsumi Shibayama1
Date of Patent
December 19, 2017
1
Patent Application Number
144006951
Date Filed
May 8, 2013
1
Patent Citations Received
‌
US Patent 11862648 Optoelectronic device arranged as a multi-spectral light sensor having a photodiode array with aligned light blocking layers and n-well regions
2
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US Patent D1024819 Laser beam reflector
3
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US Patent D1024820 Laser beam reflector
4
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US Patent D1023812 Laser beam reflector
5
Patent Primary Examiner
‌
Tarifur Chowdhury
1
Patent abstract

A spectroscopic sensor comprises an interference filter unit, a light detection substrate, and a separator. The interference filter unit has a cavity layer and first and second mirror layers opposing each other through the cavity layer and selectively transmits therethrough a predetermined wavelength range of light according to its incident position from the first mirror layer side to the second mirror layer side. The light detection substrate has a light-receiving surface for receiving light transmitted through the interference filter unit and detects the light incident on the light-receiving surface. The separator extends from the cavity layer to at least one of the first and second mirror layers and optically separates the interference filter unit as seen in a predetermined direction intersecting the light-receiving surface.

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