Results 31 to 40 of about 3,056 (210)

Identification of radiation induced dark current sources in pinned photodiode CMOS image sensors [PDF]

open access: yes, 2011
This paper presents an investigation of Total Ionizing Dose induced dark current sources in Pinned PhotoDiodes (PPD) CMOS Image Sensors based on pixel design variations. The influence of several layout parameters is studied. Only one parameter is changed
Cervantes, Paola   +7 more
core   +1 more source

High Conversion-Gain Pinned-Photodiode Pump-Gate Pixels in 180-nm CMOS Process

open access: yesIEEE Journal of the Electron Devices Society, 2017
This paper presents the design and characterization of high conversion-gain pixels in a 180-nm CMOS image sensor process. By reducing overlapping capacitance between a floating diffusion and transfer gate, output-referred pixel conversion gain as high as
Song Chen   +3 more
doaj   +1 more source

Image lag optimisation in a 4T CMOS image sensor for the JANUS camera on ESA's JUICE mission to Jupiter [PDF]

open access: yes, 2018
The CIS115, the imager selected for the JANUS camera on ESA’s JUICE mission to Jupiter, is a Four Transistor (4T) CMOS Image Sensor (CIS) fabricated in a 0.18 µm process.
Allanwood, E. A. H.   +6 more
core   +1 more source

Analyses of Pinned Photodiodes With High Resistivity Epitaxial Layer for Indirect Time-of-Flight Applications

open access: yesIEEE Access, 2020
This article analyzes the performance of pinned photodiode (PPD) for Time-of-Flight(ToF) applications on high resistivity epitaxial wafers. Due to its wide depletion region, high epitaxial resistivity PPDs feature some key advantages in collecting ...
Xuanbin Fang   +3 more
doaj   +1 more source

Design and Numerical Verification of a Gate-Controlled Lateral Thyristor for Low-Light Level Detection

open access: yesIEEE Journal of the Electron Devices Society, 2021
Thyristors operated at switching point are highly sensitive to external physical signals such as light or temperature. However, due to the instability of sensitive switching point, conventional thyristors are commonly used as optical switches and hardly ...
Keyang Sun   +4 more
doaj   +1 more source

RTS noise impact in CMOS image sensors readout circuit [PDF]

open access: yes, 2010
CMOS image sensors are nowadays widely used in imaging applications even for high end applications. This is really possible thanks to a reduction of noise obtained, among others, by Correlated Double Sampling (CDS) readout.
Magnan, Pierre   +1 more
core   +1 more source

RETRACTED: Research on dispersion compensation using avalanche photodiode and pin photodiode [PDF]

open access: yesIET Collaborative Intelligent Manufacturing, 2020
Abstract With the growing demand for usage among Internet users, inventions related to increase in the capacity and bandwidth of transmission channels are more significant nowadays. This continuously growing demand can be fulfilled by using the optical fibre for transmission of signals instead of the wireless mode of transmission, due
Yanxia Ma   +4 more
openaire   +2 more sources

Proton Radiation Effects on Dark Signal Distribution of PPD CMOS Image Sensors: Both TID and DDD Effects

open access: yesSensors, 2017
Four-transistor (T) pinned photodiode (PPD) CMOS image sensors (CISs) with four-megapixel resolution using 11µm pitch high dynamic range pixel were radiated with 3 MeV and 10MeV protons. The dark signal was measured pre- and post-radiation, with the dark
Yuanyuan Xue   +9 more
doaj   +1 more source

Analysis of Transfer Gate Doping Profile Influence on Dark Current and FWC in CMOS Image Sensors

open access: yesIEEE Journal of the Electron Devices Society, 2021
The influence of transfer gate (TG) doping profile on dark current and full well capacity (FWC) has been investigated in this article. By analyzing the non-uniform doped TG channel in 4T pixel, a potential profile with a barrier is extracted at TG off ...
Jiangtao Xu, Quanmin Chen, Zhiyuan Gao
doaj   +1 more source

Overview of ionizing radiation effects in image sensors fabricated in a deep-submicrometer CMOS imaging technology [PDF]

open access: yes, 2009
An overview of ionizing radiation effects in imagers manufactured in a 0.18-μm CMOS image sensor technology is presented. Fourteen types of image sensors are characterized and irradiated by a 60Co source up to 5 kGy.
Estribeau, Magali   +2 more
core   +1 more source

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