Wavelength tunable optical filter, optical module, and electronic apparatus

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11307478
APP PUB NO 20190064628A1
SERIAL NO

16117380

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Abstract

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An optical filter includes a substrate, a first reflective film provided on the substrate, a second reflective film disposed to face the first reflective film, and a supporting portion provided on the substrate and supporting the second reflective film. The first reflective film is protected with a first protective film so as not to be exposed and the second reflective film is protected with a second protective film so as not to be exposed.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION4-1 NISHI-SHINJUKU 2-CHOME SHINJUKU-KU TOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishimura, Teruyuki Matsumoto, JP 47 337
Sano, Akira Matsumoto, JP 120 683
Shinto, Susumu Shiojiri, JP 21 101

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