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.:

US 9291594 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 22, 2016

Filed:

Dec. 17, 2014
Applicant:

Honeywell International Inc., Morristown, NJ (US);

Inventors:

Mihai Brezeanu, Bucharest, RO;

Bogdan Catalin Serban, Bucharest, RO;

Octavian Buiu, Bucharest, RO;

Viorel Georgel Dumitru, Bucharest, RO;

Assignee:

Honeywell International Inc., Morris Plains, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/15 (2006.01); G01N 27/414 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4141 (2013.01); G01N 33/004 (2013.01);
Abstract

The present disclosure relates to a carbon dioxide sensor able to function in harsh environment, conditions. The carbon dioxide sensor can include a gate-less field effect transistor including a synthetic, quasi-intrinsic, hydrogen-passivated, single-crystal diamond layer exhibiting a 2-dimension hole gas effect, and a sensing layer comprising both a polymer and a hygroscopic material deposited onto a surface of the gate-less field effect transistor.


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