The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2014
Filed:
Aug. 06, 2010
Albert Loui, Dublin, CA (US);
Donald J. Sirbuly, Encinitas, CA (US);
Selim Elhadj, Livermore, CA (US);
Scott K. Mccall, Livermore, CA (US);
Bradley R. Hart, Arlington, VA (US);
Timothy V. Ratto, Oakland, CA (US);
Albert Loui, Dublin, CA (US);
Donald J. Sirbuly, Encinitas, CA (US);
Selim Elhadj, Livermore, CA (US);
Scott K. McCall, Livermore, CA (US);
Bradley R. Hart, Arlington, VA (US);
Timothy V. Ratto, Oakland, CA (US);
Lawrence Livermore National Security, LLC, Livermore, CA (US);
Abstract
According to one embodiment, a system for detecting and identifying gases includes a piezoresistive microcantilever transducer, wherein dissipation of heat from the piezoresistive microcantilever into one or more gases is measured by changes in an electrical resistance of the piezoresistor, a vibrating microcantilever transducer, wherein shifts are measured in resonant frequency of the vibrating microcantilever due to viscous damping thereof by the one or more gases, and a subsystem for correlating the measured resistance changes and the resonant frequency shifts to the one or more gases. In another embodiment, a method for detecting and identifying one or more gases includes determining dissipation of heat from a microcantilever into one or more gases, and determining shifts in resonant frequency of the microcantilever due to viscous damping thereof by the one or more gases. Other systems, methods, and computer program products are also described according to more embodiments.