@inproceedings{9d312fe8d76347db95073e06aaf9d076,
title = "Ring-shaped N+/P-well photodiode: Study of responsivity enhancement",
abstract = "In this work the possibilities of CMOS APS spectral response improvement is discussed. Thorough submicron scanning results obtained from various ring-shaped pixel photodiodes with different inner radius, implemented in a standard CMOS 0.35μm technology, are compared with numerical computer simulations. The functional dependence of the pixel response on the ring opening size was discovered and formulated for various wavelengths illumination. We show that the photodiodes with small ring-opening exhibit better sensitivity in the blue spectrum range (420-460 nm). Comparison between the simulation and measurement results shows a good agreement and, therefore, involving specific photodiode enables to improve the pixel color selectivity design.",
keywords = "APS (Active Pixel Sensor), CMOS image sensor, Diffusion, Minority carriers, Photocurrent, Sensitivity",
author = "Tatiana Danov and Igor Shcherback and Orly Yadid-Pecht",
year = "2004",
month = dec,
day = "1",
language = "English",
isbn = "0780387155",
series = "11th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2004",
pages = "306--309",
booktitle = "11th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2004",
note = "11th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2004 ; Conference date: 13-12-2004 Through 15-12-2004",
}