LIGHT SENSORS HAVING DIELECTRIC OPTICAL COATING FILTERS

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United States of America Patent

APP PUB NO 20150194544A1
SERIAL NO

14667537

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Abstract

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A light sensor includes a photodetector sensor region formed in a semiconductor substrate. To shape the spectral response of the light sensor, a dielectric optical coating filter covers the photodetector sensor region and a circumferential region of the substrate that surrounds the photodetector sensor region. In accordance with specific embodiments, the dielectric optical coating filter has chamfered corners to improve the thermal reliability of the dielectric optical coating covering the photodetector sensor region. Methods for making such a light sensor are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
INTERSIL AMERICAS LLC1001 MURPHY RANCH ROAD MILPITAS CA 95035

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hebert, Francois San Mateo, US 171 2632
Lee, Eric S San Francisco, US 14 23
Sun, Michael I-Shan San Jose, US 5 3

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