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:
Mar. 05, 2024
Filed:
Dec. 31, 2020
Korea Electronics Technology Institute, Seongnam-si, KR;
Kook Nyung Lee, Seoul, KR;
Woo Kyeong Seong, Seongnam-si, KR;
Won Hyo Kim, Yongin-si, KR;
Dong Ki Hong, Pyeongtaek-si, KR;
Hye Lim Kang, Chungcheongbuk-do, KR;
KOREA ELECTRONICS TECHNOLOGY INSTITUTE, Seongnam-si, KR;
Abstract
The gas sensor according to an exemplary embodiment of the present invention comprises: an FET device including one or more gate electrodes; a sensor array part including a plurality of sensors, in which a first electrode of each sensor is connected to at least one gate electrode of the plurality of gate electrodes in the FET device; and a controller detecting a gas using a current between a drain-source in response to voltage changes in the gate electrode of the FET device, wherein each sensor includes: a first electrode connected to a gate electrode of the FET device; a second electrode receiving an operating voltage through a switch controlled by the controller; and a detection film interposed between the first electrode and the second electrode.