Readout circuits for two-dimensional microbolometer arrays

Wenyun Gu; Defu Pi

doi:10.1117/12.444677

15 October 2001 Readout circuits for two-dimensional microbolometer arrays

Wenyun Gu, Defu Pi

Proceedings Volume 4600, Advances in Microelectronic Device Technology; (2001) https://doi.org/10.1117/12.444677
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

The uncooled thermal bolometer is preferred for a thermal imager because of its low cost, high reliability and high performance. The design principle of readout circuits for two-dimensional microbolometer arrays is introduced in this paper. Then the problems occurring during the progress when the signal is read out for a larger scale array are analyzed and the resolved method is introduced. Otherwise, the reason why the form of bi-CMOS circuit is more suitable for the microbolometer readout circuit is explained in the paper. At the end of the paper the nonuniformity of the circuit is simply described.

Citation Download Citation

Wenyun Gu and Defu Pi "Readout circuits for two-dimensional microbolometer arrays", Proc. SPIE 4600, Advances in Microelectronic Device Technology, (15 October 2001); https://doi.org/10.1117/12.444677

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