IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Electronic Displays
Uncooled Infrared Radiation Focal Plane Array with Low Noise Pixel Driving Circuit
Risako UENO, Hiroto HONDA, Honam KWON, Koichi ISHII, Masako OGATA, Hitoshi YAGI, Ikuo FUJIWARA, Kazuhiro SUZUKI, Keita SASAKI, Hideyuki FUNAKI
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Keywords: infrared, focal plane array, MEMS
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2010 Volume E93.C Issue 11 Pages 1577-1582

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Abstract

We have analyzed the dominant noise sources in the driving circuit of an uncooled infrared radiation focal plane array fabricated on a silicon-on-insulator (SOI) substrate by 0.35µm CMOS technology and bulk- micromachining. We found no noise property of SOI-MOSFET inferior compared to those of NMOSs formed on SOI and bulk substrate, respectively. In addition, we reduced the total noise of the sensor chip by designing the current source NMOS sufficiently large, and optimized the operating current of pixel pn-junctions.

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© 2010 The Institute of Electronics, Information and Communication Engineers
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