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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11749696 B1

PDFFull Text
Date of Patent:
Sep. 05, 2023

Filed:

Dec. 22, 2020

High-speed light sensing apparatus ii

Applicant:

Artilux, Inc., Menlo Park, CA (US);

Inventors:

Yun-Chung Na, San Jose, CA (US);

Che-Fu Liang, Zhubei, TW;

Szu-Lin Cheng, Zhubei, TW;

Shu-Lu Chen, Zhubei, TW;

Kuan-Chen Chu, Zhubei, TW;

Chung-Chih Lin, Hsinchu, TW;

Han-Din Liu, Sunnyvale, CA (US);

Assignee:

Artilux, Inc., Menlo Park, CA (US);

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Mark Hellner

Int. Cl.
CPC ...
G01C 3/08 (2006.01); H01L 27/146 (2006.01); H01L 31/103 (2006.01); H01L 29/732 (2006.01); H01L 31/02 (2006.01); H01L 31/028 (2006.01); H01L 29/08 (2006.01); H01L 29/161 (2006.01); H01L 31/0232 (2014.01); H01L 31/0216 (2014.01); H01L 29/06 (2006.01); G01S 7/481 (2006.01); G01S 17/36 (2006.01); G01S 7/4914 (2020.01); G01S 7/486 (2020.01); H01L 31/11 (2006.01); G01S 17/42 (2006.01); H01L 29/735 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14612 (2013.01); G01S 7/4816 (2013.01); G01S 7/4914 (2013.01); G01S 17/36 (2013.01); H01L 27/14636 (2013.01); H01L 27/14681 (2013.01); H01L 29/0657 (2013.01); H01L 29/0804 (2013.01); H01L 29/161 (2013.01); H01L 29/732 (2013.01); H01L 31/02005 (2013.01); H01L 31/028 (2013.01); H01L 31/02019 (2013.01); H01L 31/02161 (2013.01); H01L 31/02327 (2013.01); H01L 31/103 (2013.01); H01L 31/1037 (2013.01); G01S 7/486 (2013.01); G01S 17/42 (2013.01); H01L 27/1463 (2013.01); H01L 27/14627 (2013.01); H01L 27/14629 (2013.01); H01L 29/735 (2013.01); H01L 31/1105 (2013.01);
Abstract

An optical apparatus includes: a substrate having a first material; an absorption region having a second material different from the first material, the absorption region configured to absorb photons and to generate photo-carriers including electrons and holes in response to the absorbed photons; a first well region surrounding the absorption region and arranged between the absorption region and the substrate, the first well region being doped with a first polarity; and one or more switches each controlled by a respective control signal, the one or more switches each configured to collect at least a portion of the photo-carriers based on the respective control signal and to provide the portion of the photo-carriers to a respective readout circuit.

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