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:
Apr. 01, 2003
Filed:
Nov. 10, 2000
Jennifer J. Zinck, Calabasas, CA (US);
Deborah J. Kirby, Calabasas Hills, CA (US);
HRL Laboratories, LLC, Malibu, CA (US);
Abstract
A sensor for determining the presence of hydrogen and for measuring the amount of hydrogen present in the vicinity of the sensor. The sensor comprises a metal hydride hydrogen-absorbent material AB which selectively absorbs hydrogen and expands upon such absorption. This expansion depends on the amount of hydrogen absorbed and the expansion is detected and measured either by measurement of a change in capacitance of the sensor or by the change in tunnel current flowing through the sensor. A method for determining the presence of hydrogen and for measuring the amount of hydrogen present using the metal hydride hydrogen-absorbent material AB -based sensor.