A high performance CMOS compatible thermopile based on noise added mechanism

Chih-Hsiung Shen, Bow Wen Wang

Research output: Contribution to conferencePaper

4 Citations (Scopus)

Abstract

Recently a novel signal processing theory related with noise has grown and proven. A new high performance thermopile based on noise added scheme has been realized by an embedded heater for CMOS compatible thermoelectric infrared sensor. Certain complex systems can improve performance with added optimal noise that classical theory cannot explain. To that end, we are using noise in remote temperature sensing system to enhance their function without altering the system. The design and fabrication of thermopile sensors are realized by using 1.2μm CMOS IC technology combined with a s ubsequent anisotropic front-side etching. We firstly develop an active thermopile with a heater embedded which is easi ly and naturally driven by a noise generation circuit. The st ochastic resonance theory can be realized as a reduction in threshold of temperature detection. We have greatly impro ved the performance of remote temperature sensing system in the presence of noise. Stochastic resonance can reduce t hreshold detection resolution and greatly improve the temp erature detection limit with a low cost scheme without usin g higher resolution ADC.

Original languageEnglish
Pages611-614
Number of pages4
Publication statusPublished - 2004 Dec 1
EventIEEE Sensors 2004 - Vienna, Austria
Duration: 2004 Oct 242004 Oct 27

Other

OtherIEEE Sensors 2004
CountryAustria
CityVienna
Period04-10-2404-10-27

Fingerprint

Thermopiles
Sensors
Temperature
Large scale systems
Etching
Signal processing
Infrared radiation
Fabrication
Networks (circuits)
Costs

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Shen, C-H., & Wang, B. W. (2004). A high performance CMOS compatible thermopile based on noise added mechanism. 611-614. Paper presented at IEEE Sensors 2004, Vienna, Austria.
Shen, Chih-Hsiung ; Wang, Bow Wen. / A high performance CMOS compatible thermopile based on noise added mechanism. Paper presented at IEEE Sensors 2004, Vienna, Austria.4 p.
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Shen, C-H & Wang, BW 2004, 'A high performance CMOS compatible thermopile based on noise added mechanism' Paper presented at IEEE Sensors 2004, Vienna, Austria, 04-10-24 - 04-10-27, pp. 611-614.

A high performance CMOS compatible thermopile based on noise added mechanism. / Shen, Chih-Hsiung; Wang, Bow Wen.

2004. 611-614 Paper presented at IEEE Sensors 2004, Vienna, Austria.

Research output: Contribution to conferencePaper

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Shen C-H, Wang BW. A high performance CMOS compatible thermopile based on noise added mechanism. 2004. Paper presented at IEEE Sensors 2004, Vienna, Austria.