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:
Jul. 04, 2023
Filed:
Jun. 22, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shinya Suzuki, Kyoto, JP;
Kiyokazu Itoi, Osaka, JP;
Daisuke Suetsugu, Osaka, JP;
Norimichi Noguchi, Osaka, JP;
Nobutoshi Takagi, Hyogo, JP;
Abstract
A gas sensor device includes: a first electrode; a second electrode; a metal oxide layer that is disposed between the first electrode and the second electrode and is in contact with the first electrode and the second electrode; an interlayer insulating film that covers a part of the first electrode, a part of the second electrode, and a part of the metal oxide layer; and a hydrogen permeable film that allows only hydrogen to permeate, a local region that is in contact with the second electrode is provided inside the metal oxide layer, the local region having a higher oxygen deficiency than an oxygen deficiency of the other region in the metal oxide layer, an opening that exposes a gas contact portion which is a part of a main surface of the second electrode is provided in the interlayer insulating film, and the hydrogen permeable film is provided to cover at least the gas contact portion.