Development of chemical sensors using microfabrication and micromachining techniques

Chung Chiun Liu

研究成果: 雜誌貢獻回顧評介論文同行評審

14 引文 斯高帕斯(Scopus)

摘要

The advancement of chemical sensors to meet needs in automotive, environmental and process control applications has generated much interest in recent years. These applications demand a sensor that has a relatively small size, high sensitivity, low energy consumption and modest cost. Silicon-based microfabrication and micromachining processes show promise for the manufacture of chemical sensors that meet these criteria. These processes include photolithographic reduction, thin film metallization, reactive sputtering, and chemical, anisotropic and plasma etching. These techniques can be used to produce a three-dimensional sensor with a geometrically well-defined configuration. A thin membrane and suspension bridge sensor structure results in a low mass-heat loss and low energy consumption device. The sensitivity and selectivity of the sensors are also enhanced by using a differential mode of operation and at an elevated temperature. Microfabricated chemical sensors, including tin or other metal oxide based, Schottky diode, solid electrolyte electrochemical and calorimetric devices, will be discussed.

原文???core.languages.en_GB???
頁(從 - 到)87-90
頁數4
期刊Materials Chemistry and Physics
42
發行號2
DOIs
出版狀態已出版 - 15 11月 1995

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