High-linearity and high-speed ROIC of ultra-large array infrared detectors based on adaptive compensation and enhancement

Z Guo, B Wang, S Liu, R Xu, N Yu - Sensors, 2023 - mdpi.com
In order to solve the problem of limited linearity and frame rate in the large array infrared (IR)
readout integrated circuit (ROIC), a high-linearity and high-speed readout method based on …

A 1Gpixel 10FPS CMOS image sensor using pixel array high-speed readout technology

Z Guo, X Cheng, R Xu, C Su, C Li, B Wang, Y Guo… - Integration, 2023 - Elsevier
In the very large array CMOS image sensor (CIS), the very large parasitic resistors and
capacitors on the column bus cause very slow charging and discharging speeds and affect …

Analysis and Optimization design of the column bus parasitic effects on large-array CMOS image sensor

J Gao, D Zhang, K Nie, J Xu - Microelectronics Journal, 2020 - Elsevier
This paper analyzes the impact of column bus parasitic parameters on the output noise and
response speed of the pixel signal in large-array CMOS image sensor (CIS), and the …

A method to reduce the effect on image quality caused by resistance of column bus

J Xu, W Li, K Nie, L Han, X Zhao - IEEE Transactions on Very …, 2018 - ieeexplore.ieee.org
In this paper, a method to reduce the effect on image quality caused by the parasitic
resistance of column bus in high-resolution cMOS image sensors is presented. Through the …

A synchronous driving approach based on adaptive delay phase-locked loop for stitching CMOS image sensor

Z Guo, N Yu, L Wu - IEICE Electronics Express, 2020 - jstage.jst.go.jp
A synchronous driving approach for stitching CMOS image sensor is proposed. Dual
terminal signal line driver structure must be considered in the design of row control for high …

Mask configurable readout circuit architecture for an ultra-high-resolution CMOS image sensor

K Nie, J Liu, D Wang, J Xu, Z Yang, Z Gao - Applied Optics, 2022 - opg.optica.org
As the level of detail in today's images increases, so does the demand for resolution. Due to
the necessity of mask stitching technology for full exposure of large array chips, we propose …

A study on back irradiation flat panel detector with crystal silicon based x-ray CMOS image sensor

MS Kim, Y Kim, KT Lim, D Kang, G Cho - Radiation Physics and Chemistry, 2019 - Elsevier
In order to find an image of small-sized defects in a subject that consists of a high Z-number
material, the X-ray image sensor should have a high spatial and a high radiometric …

Detector shift iteration method for improving spatial resolution and suppressing pixel value distortion in direct and indirect X-ray detectors

G Kim, D Lee, J Hwang, M Kim, W Lee… - Journal of …, 2020 - iopscience.iop.org
As the pixel pitch of an X-ray detector decreases, the crosstalk and charge-sharing effects
become dominant. The decrease in pixel pitch is also directly related to a reduction in input …

An Acceleration Technology in CMOS Image Sensor Readout Circuit

GZ Su-ChangXu, LS Li-Chen, HX Cao-Xitao - ieeexplore.ieee.org
In order to solves the problem that the readout speed's decreases of super large dimensions
pixel due to the influence of parasitic parameters. We propose a circuit structure to speed up …