Band-pass filter and manufacturing method therefor

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United States of America

PATENT NO 12032187
SERIAL NO

17288858

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Abstract

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Provided are: a band-pass filter for which filter characteristics can be improved; and a manufacturing method therefor. A band-pass filter 11, which allows light of a specific wavelength region to pass, includes: a substrate 12 which has light transmitting properties; a first dielectric multilayer film 13 that is provided on a first main surface S1 of the substrate 12; and a second dielectric multilayer film 14 that is provided on a second main surface S2 which is opposite the first main surface S1. The first dielectric multilayer film 13 contains a hydrogenated silicon layer. The second dielectric multilayer film 14 contains a hydrogenated silicon layer.

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Patent Owner(s)

Patent OwnerAddress
NIPPON ELECTRIC GLASS CO LTDOTSU-SHI SHIGA 520-8639

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imamura, Tsutomu Otsu, JP 13 144
Imura, Masaaki Otsu, JP 16 178
Sahara, Keiichi Otsu, JP 6 47
Tanabe, Yasutaka Otsu, JP 3 48

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