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Patent Searching and Data


Title:
LIGHT-RECEIVING ELEMENT, SOLID-STATE IMAGING DEVICE, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/241010
Kind Code:
A1
Abstract:
Provided is a light-receiving element having a structure in which a floating diffusion region is surrounded by transfer gate electrodes in a single photoelectric conversion region constituting a pixel, the structure making it possible to improve optical symmetry and to extract light efficiently. The light-receiving element comprises: a photoelectric conversion region constituting a pixel; a floating diffusion region of a first electrical conductivity type provided on one main surface side of the photoelectric conversion region; and a plurality of transfer gate electrodes which are provided on the one main surface side of the photoelectric conversion region and are spaced apart from each other with a gate insulating film therebetween, the plurality of transfer gate electrodes being provided symmetrically about the floating diffusion region in a planar pattern.

Inventors:
KURIHARA SHINICHIRO (JP)
Application Number:
PCT/JP2021/014626
Publication Date:
December 02, 2021
Filing Date:
April 06, 2021
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H01L31/10; H01L27/146; H04N5/374
Domestic Patent References:
WO2020095689A12020-05-14
WO2013118646A12013-08-15
WO2018207340A12018-11-15
WO2016158439A12016-10-06
Foreign References:
US20190296060A12019-09-26
US20190296075A12019-09-26
JP2011049446A2011-03-10
US20180019272A12018-01-18
JP2014187270A2014-10-02
JP2013125861A2013-06-24
JP2012164971A2012-08-30
JP2014225536A2014-12-04
JP2020005131A2020-01-09
JP2011159758A2011-08-18
Attorney, Agent or Firm:
TANAKA Hidetetsu et al. (JP)
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