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Paper Abstract and Keywords
Presentation 2025-03-21 16:20
A 400×400 3.24µm 117dB-Dynamic-Range 3-Layer Stacked Digital Pixel Sensor
Tsung-Hsun Tsai (Meta), Kwuang-Han Chang (Brillnics), Andrew Berkovich, Raffaele Capoccia, Song Chen, Zhao Wang, Chiao Liu (Meta), Yi-Hsuan Lin, ShengYeh Lai, Hao-Ming Hsu, Hirofumi Abe, Kazuya Mori, Hideyuki Fukuhara, Chih-Hao Lin, Toshiyuki Isozaki, Wei-Chen Li, Wei-Fan Chou, Masayuki Uno, Rimon Ikeno, Masato Nagamatsu, Guang Yang, Shou-Gwo Wuu (Brillnics)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents 400×400 digital pixel sensor (DPS) with a 3.24µm pixel developed with a 3 layer-stacked process for AR/VR applications. This sensor achieves the smallest pixel pitch in DPS with in-pixel ADC circuit using a single-ended comparator and 10-bit in-pixel SRAM. The digital circuit layer (third layer) includes a frame memory for FPN correction, an image signal processor (ISP) and a capability to output multiple regions for low power consumption in tracking operations. The sensor achieves 117dB dynamic range in a single exposure with time to saturation (TTS) to overwrapped electron while consuming 3.06mW, a noise floor of 4.4e-rms, and a dark FPN of 2.4e-rms. The die size is 2.47×1.85mm² meeting the stringent form factor requirement of AR/VR devices.
Keyword (in Japanese) (See Japanese page) 
(in English) CMOS image sensor / Digital pixel sensor / Global shutter / 3-Layer stacked / Sparse transmission / / /  
Reference Info. ITE Tech. Rep., vol. 49, no. 13, IST2025-21, pp. 53-57, March 2025.
Paper # IST2025-21 
Date of Issue 2025-03-14 (IST) 
ISSN Online edition: ISSN 2424-1970
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Conference Information
Committee IST  
Conference Date 2025-03-21 - 2025-03-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IST 
Conference Code 2025-03-IST 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A 400×400 3.24µm 117dB-Dynamic-Range 3-Layer Stacked Digital Pixel Sensor 
Sub Title (in English)  
Keyword(1) CMOS image sensor  
Keyword(2) Digital pixel sensor  
Keyword(3) Global shutter  
Keyword(4) 3-Layer stacked  
Keyword(5) Sparse transmission  
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1st Author's Name Tsung-Hsun Tsai  
1st Author's Affiliation Meta Platforms, Inc. (Meta)
2nd Author's Name Kwuang-Han Chang  
2nd Author's Affiliation Brillnics Inc. (Brillnics)
3rd Author's Name Andrew Berkovich  
3rd Author's Affiliation Meta Platforms, Inc. (Meta)
4th Author's Name Raffaele Capoccia  
4th Author's Affiliation Meta Platforms, Inc. (Meta)
5th Author's Name Song Chen  
5th Author's Affiliation Meta Platforms, Inc. (Meta)
6th Author's Name Zhao Wang  
6th Author's Affiliation Meta Platforms, Inc. (Meta)
7th Author's Name Chiao Liu  
7th Author's Affiliation Meta Platforms, Inc. (Meta)
8th Author's Name Yi-Hsuan Lin  
8th Author's Affiliation Brillnics Inc. (Brillnics)
9th Author's Name ShengYeh Lai  
9th Author's Affiliation Brillnics Inc. (Brillnics)
10th Author's Name Hao-Ming Hsu  
10th Author's Affiliation Brillnics Inc. (Brillnics)
11th Author's Name Hirofumi Abe  
11th Author's Affiliation Brillnics Japan Inc. (Brillnics)
12th Author's Name Kazuya Mori  
12th Author's Affiliation Brillnics Japan Inc. (Brillnics)
13th Author's Name Hideyuki Fukuhara  
13th Author's Affiliation Brillnics Japan Inc. (Brillnics)
14th Author's Name Chih-Hao Lin  
14th Author's Affiliation Brillnics Inc. (Brillnics)
15th Author's Name Toshiyuki Isozaki  
15th Author's Affiliation Brillnics Japan Inc. (Brillnics)
16th Author's Name Wei-Chen Li  
16th Author's Affiliation Brillnics Inc. (Brillnics)
17th Author's Name Wei-Fan Chou  
17th Author's Affiliation Brillnics Inc. (Brillnics)
18th Author's Name Masayuki Uno  
18th Author's Affiliation Brillnics Japan Inc. (Brillnics)
19th Author's Name Rimon Ikeno  
19th Author's Affiliation Brillnics Japan Inc. (Brillnics)
20th Author's Name Masato Nagamatsu  
20th Author's Affiliation Brillnics Japan Inc. (Brillnics)
21st Author's Name Guang Yang  
21st Author's Affiliation Brillnics Inc. (Brillnics)
22nd Author's Name Shou-Gwo Wuu  
22nd Author's Affiliation Brillnics Inc. (Brillnics)
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Speaker Author-13 
Date Time 2025-03-21 16:20:00 
Presentation Time 25 minutes 
Registration for IST 
Paper # IST2025-21 
Volume (vol) vol.49 
Number (no) no.13 
Page pp.53-57 
#Pages 5 
Date of Issue 2025-03-14 (IST) 

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