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:
Jun. 02, 1998
Filed:
Nov. 12, 1996
Applicant:
Inventors:
Yoshinobu Matsuura, Osaka, JP;
Toru Nomura, Osaka, JP;
Daisuke Matsuda, Osaka, JP;
Yuki Fujimori, Osaka, JP;
Maki Kitora, Hyogo, JP;
Assignee:
Figaro Engineering Inc., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
204424 ; 422 83 ; 422 98 ;
Abstract
An insulating glass film is formed on a heater film, and a gas sensitive film is formed on the glass film. The MgO content in the glass is kept at 0.1 wt % or under to prevent Mg from eluting into absorbed water at low temperatures and segregating on the cathode by the detection voltage.