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:
Sep. 22, 2015
Filed:
Aug. 10, 2010
Martin Nirschl, Traunstein, DE;
Martin Nirschl, Traunstein, DE;
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Abstract
A device for detecting at least one substance may include a resonator which, on its surface facing away from the carrier, is provided with a chemically sensitive layer for selectively binding a substance that is to be detected. An acoustic mirror is arranged between the carrier and the resonator. The acoustic mirror constitutes a band elimination filter having two closely adjacent notch frequencies, as a result of which the device is capable of oscillating in two resonant frequencies. The mass binding of the substance and the temperature can be determined computationally from the measured resonant frequencies.
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