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Fingerprint Sensor Based on a Skin Resistivity with pixel array
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 Title & Authors
Fingerprint Sensor Based on a Skin Resistivity with pixel array
Jung, Seung-Min;
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 Abstract
In this paper, we propose pixel array fingerprint sensor with an advanced circuits for detecting. The pixel level simple detection circuit converts from a small and variable sensing current to binary voltage out effectively. We minimizes an electrostatic discharge(ESD) influence by applying an effective isolation structure around the unit pixel. The sensor circuit blocks were designed and simulated in standard CMOS process. Full custom layout is performed in the unit sensor pixel and auto placement and routing is performed in the full chip.
 Keywords
Ridge Resistivity;Fingerprint Sensor;VLSI circuit;ASIC;pixel;ESD;
 Language
Korean
 Cited by
 References
1.
Yves Audet, Laurent Aubray, Dominique Blouin, "A CMOS Fingerprint Sensor Based on Skin Resistivity," Circuits and Systems, 2006 IEEE North-East Workshop on Volume, Issue , pp269 – 272, June 2006

2.
S.-M. Jung, J.-M. Nam, D.-H. Yang, and M.-K Lee "A CMOS Integrated Capacitive Fingerprint Sensor With 32-bit RISC Microcontroller," IEEE Journal of Solid-State Circuits, vol. 40, no. 8, pp. 1745–1750, Aug. 2005 crossref(new window)

3.
R. Hashido, A. Suzuki, A. Iwata, T. Okamoto, Y. Satoh, A. Inoue, "A capacitive fingerprint sensor chip using low-temperature poly-Si TFTs on a glass substrate and a novel and unique sensing method", IEEE J. of Solid-state circuits, vol. 38, No. 2, pp274 – 280, Feb. 2003 crossref(new window)

4.
Olavarrieta Fritsche, G., Nakano Miyatake, M., "A simple fingerprint sensor based on ridge conductivity," Design of Mixed-Mode Integrated Circuits and Applications, 1999. Third International Workshop on, Volume , Issue , 1999, pp207–209, 1999

5.
http://www.atmel.com/products/Biometrics

6.
Olavarrieta Fritsche, G., Nakano Miyatake, M., "A simple fingerprint sensor based on ridge conductivity," Design of Mixed-Mode Integrated Circuits and Applications, 1999. Third International Workshop on, Volume , Issue , 1999, pp207–209, 1999