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Patent Searching and Data


Title:
PHOTODETECTOR AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/181536
Kind Code:
A1
Abstract:
The present disclosure pertains to a photodetector and an electronic apparatus that enable the reduction of surface reflection of an on-chip microlens and the suppression of image quality degradation. Provided is a photodetector that has a plurality of pixels having a photoelectric conversion part, an on-chip microlens formed corresponding to each pixel, and an antireflection film formed on the surface of the on-chip microlens, the antireflection film being configured by stacking a first inorganic film formed of a metal oxide film and a second inorganic film formed on the surface of the first inorganic film and having a refractive index lower than that of the first inorganic film. The present disclosure can be applied, for example, to a CMOS-type solid-state imaging device.

Inventors:
MORIYA YUSUKE (JP)
YAMAMOTO ATSUSHI (JP)
YUKAWA TOMIYUKI (JP)
NISHIMURA KOTARO (JP)
IKEHARA SHIGEHIRO (JP)
OTANI SHOGO (JP)
KATO HIROSHI (JP)
Application Number:
PCT/JP2022/006922
Publication Date:
September 01, 2022
Filing Date:
February 21, 2022
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H01L27/146
Domestic Patent References:
WO2013179972A12013-12-05
Foreign References:
JP2017076738A2017-04-20
JP2013012518A2013-01-17
JP2016057335A2016-04-21
JP2012084608A2012-04-26
JP2011146481A2011-07-28
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
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