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:
Aug. 01, 2006
Filed:
Mar. 06, 2003
Masashi Sakamoto, Aichi, JP;
Yoshikuni Sato, Aichi, JP;
Keigo Banno, Aichi, JP;
Katsuya Otake, Aichi, JP;
Takeshi Morita, Aichi, JP;
Hideki Ishikawa, Aichi, JP;
Noboru Ishida, Gifu, JP;
Masashi Sakamoto, Aichi, JP;
Yoshikuni Sato, Aichi, JP;
Keigo Banno, Aichi, JP;
Katsuya Otake, Aichi, JP;
Takeshi Morita, Aichi, JP;
Hideki Ishikawa, Aichi, JP;
Noboru Ishida, Gifu, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A gas sensor () including a measurement chamber () into which a gas GS is flown and a detection element main body () facing the measurement chamber (). The detection element main body () includes an element caseand a protective film () is adhered to a bottom surface thereof. An acoustic matching plate () and a piezoelectric element () of a substantially columnar shape and a tube body () provided in a position surrounding the acoustic matching plateand the piezoelectric elementare housed in the element case (). A filler is then introduced into the element case (), whereby the acoustic matching plate (), the piezoelectric element (), and the tube body () are sealed by a filled layer ().