发明名称 |
Chemical sensor with oscillating cantilevered probe and mechanical stop |
摘要 |
The invention provides a method of detecting a chemical species with an oscillating cantilevered probe. A cantilevered beam is driven into oscillation with a drive mechanism coupled to the cantilevered beam. A free end of the oscillating cantilevered beam is tapped against a mechanical stop coupled to a base end of the cantilevered beam. An amplitude of the oscillating cantilevered beam is measured with a sense mechanism coupled to the cantilevered beam. A treated portion of the cantilevered beam is exposed to the chemical species, wherein the cantilevered beam bends when exposed to the chemical species. A second amplitude of the oscillating cantilevered beam is measured, and the chemical species is determined based on the measured amplitudes.
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申请公布号 |
US2005009197(A1) |
申请公布日期 |
2005.01.13 |
申请号 |
US20040777282 |
申请日期 |
2004.02.10 |
申请人 |
ADAMS JESSE D.;ROGERS BENJAMIN S. |
发明人 |
ADAMS JESSE D.;ROGERS BENJAMIN S. |
分类号 |
G01Q60/24;G01Q60/34;G01Q70/18;(IPC1-7):G01N21/00 |
主分类号 |
G01Q60/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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