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Paper Abstract and Keywords
Presentation 2022-03-28 16:10
3.2 Megapixel 3D-Stacked Charge Focusing SPAD for Low-Light Imaging and Depth Sensing
Ayman Abdelghafar, Kazuhiro Morimoto, Junji Iwata, Mahito Shinohara, Hiroshi Sekine, Hiroyuki Tsuchiya, Yukihiro Kuroda, Kenzo Tojima, Wataru Endo, Yu Maehashi, Yasuharu Ota, Tomoya Sasago, Shintaro Maekawa, Shingo Hikosaka, Taikan Kanou, Aiko Kato, Tomoyuki Tezuka, Satoshi Yoshizaki, Toshiyuki Ogawa, Kosei Uehira, Alice Ehara, Fumihiro Inui, Yasushi Matsuno, Katsuhito Sakurai, Takeshi Ichikawa (Canon)
Abstract (in Japanese) (See Japanese page) 
(in English) A new generation of scalable photon counting image sensors, featuring zero read noise and 100ps temporal resolution. Newly proposed charge focusing single-photon avalanche diode (SPAD) is employed to resolve critical trade-offs in conventional SPAD pixels. A prototype 3.2 megapixel 3D-stacked backside-illuminated (BSI) image sensor with 1-inch format demonstrates the best-in-class photon detection efficiency (PDE), dark count rate (DCR) and timing jitter performance with the largest array size ever reported in avalanche photodiode (APD)-based image sensors. The proposed technology paves the way to compact and high-definition photon counting image sensors for low-light imaging and 3D time-of-flight sensing.
Keyword (in Japanese) (See Japanese page) 
(in English) SPAD image sensor / 3D-stacked / Backside-illuminated / Charge focusing SPAD / Depth sensing / PDE / /  
Reference Info. ITE Tech. Rep., vol. 46, no. 14, IST2022-21, pp. 47-51, March 2022.
Paper # IST2022-21 
Date of Issue 2022-03-21 (IST) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IST  
Conference Date 2022-03-28 - 2022-03-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IST 
Conference Code 2022-03-IST 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 3.2 Megapixel 3D-Stacked Charge Focusing SPAD for Low-Light Imaging and Depth Sensing 
Sub Title (in English)  
Keyword(1) SPAD image sensor  
Keyword(2) 3D-stacked  
Keyword(3) Backside-illuminated  
Keyword(4) Charge focusing SPAD  
Keyword(5) Depth sensing  
Keyword(6) PDE  
Keyword(7)  
Keyword(8)  
1st Author's Name Ayman Abdelghafar  
1st Author's Affiliation Canon Inc. (Canon)
2nd Author's Name Kazuhiro Morimoto  
2nd Author's Affiliation Canon Inc. (Canon)
3rd Author's Name Junji Iwata  
3rd Author's Affiliation Canon Inc. (Canon)
4th Author's Name Mahito Shinohara  
4th Author's Affiliation Canon Inc. (Canon)
5th Author's Name Hiroshi Sekine  
5th Author's Affiliation Canon Inc. (Canon)
6th Author's Name Hiroyuki Tsuchiya  
6th Author's Affiliation Canon Inc. (Canon)
7th Author's Name Yukihiro Kuroda  
7th Author's Affiliation Canon Inc. (Canon)
8th Author's Name Kenzo Tojima  
8th Author's Affiliation Canon Inc. (Canon)
9th Author's Name Wataru Endo  
9th Author's Affiliation Canon Inc. (Canon)
10th Author's Name Yu Maehashi  
10th Author's Affiliation Canon Inc. (Canon)
11th Author's Name Yasuharu Ota  
11th Author's Affiliation Canon Inc. (Canon)
12th Author's Name Tomoya Sasago  
12th Author's Affiliation Canon Inc. (Canon)
13th Author's Name Shintaro Maekawa  
13th Author's Affiliation Canon Inc. (Canon)
14th Author's Name Shingo Hikosaka  
14th Author's Affiliation Canon Inc. (Canon)
15th Author's Name Taikan Kanou  
15th Author's Affiliation Canon Inc. (Canon)
16th Author's Name Aiko Kato  
16th Author's Affiliation Canon Inc. (Canon)
17th Author's Name Tomoyuki Tezuka  
17th Author's Affiliation Canon Inc. (Canon)
18th Author's Name Satoshi Yoshizaki  
18th Author's Affiliation Canon Inc. (Canon)
19th Author's Name Toshiyuki Ogawa  
19th Author's Affiliation Canon Inc. (Canon)
20th Author's Name Kosei Uehira  
20th Author's Affiliation Canon Inc. (Canon)
Speaker Author-1 
Date Time 2022-03-28 16:10:00 
Presentation Time 30 minutes 
Registration for IST 
Paper # IST2022-21 
Volume (vol) vol.46 
Number (no) no.14 
Page pp.47-51 
#Pages
Date of Issue 2022-03-21 (IST) 


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