Title:
LIGHT-RECEIVING ELEMENT UNIT
Document Type and Number:
WIPO Patent Application WO/2021/019744
Kind Code:
A1
Abstract:
[Problem] To provide a light-receiving element unit in which two light-receiving elements are overlapped for size reduction. [Solution] A light-receiving element unit (1, 101) is provided with: a first light-receiving element (10, 110) having a light-receiving region on a major surface side of a first semiconductor substrate; a second light-receiving element (20, 120) having a light-receiving region on a major surface side of a second semiconductor substrate; and a support substrate (2, 102) having wires for externally electrically connecting the first light-receiving element and the second light-receiving element. One of the first light-receiving element and the second light-receiving element has a recess (16, 126) formed in a concave shape from a back surface on the opposite side to the light-receiving region toward the light-receiving region side, and the other is accommodated in the recess.
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Inventors:
ITAZAKI YU (JP)
OMURA ETSUJI (JP)
OMURA ETSUJI (JP)
Application Number:
PCT/JP2019/030078
Publication Date:
February 04, 2021
Filing Date:
July 31, 2019
Export Citation:
Assignee:
KYOTO SEMICONDUCTOR CO LTD (JP)
International Classes:
H01L31/02
Foreign References:
| US20150236478A1 | 2015-08-20 | |||
| JP2001007310A | 2001-01-12 | |||
| JP2007221088A | 2007-08-30 | |||
| JP2009236954A | 2009-10-15 | |||
| US20180190697A1 | 2018-07-05 | |||
| JP2011192873A | 2011-09-29 | |||
| JP2019012713A | 2019-01-24 |
Other References:
See also references of EP 3792983A4
Attorney, Agent or Firm:
OKAMURA Toshio (JP)
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