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. 13, 2021
Filed:
Nov. 28, 2018
Applicant:
United States Department of Energy, Washington, DC (US);
Inventors:
Paul R Ohodnicki, Jr., Allison Park, PA (US);
Robert Fryer, Pittsburgh, PA (US);
Jagannath Devkota, Pittsburgh, PA (US);
Assignee:
U.S. Department of Energy, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/02 (2006.01); G01N 29/036 (2006.01);
U.S. Cl.
CPC ...
G01N 29/022 (2013.01); G01N 29/036 (2013.01); G01N 2291/014 (2013.01); G01N 2291/0255 (2013.01); G01N 2291/0256 (2013.01); G01N 2291/02881 (2013.01); G01N 2291/0423 (2013.01);
Abstract
One or more embodiments relates a single port surface acoustic wave sensor (SAW) device adapted for use in a wide range of operational temperatures and gas phase chemical species. The device includes a piezoelectric crystal substrate; at least one interdigitated electrode/transducer (IDT) positioned on the piezoelectric crystal substrate; and at least one conducting metal oxide film positioned on the piezoelectric crystal substrate and in communication with at least the IDT.