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:
May. 23, 2006
Filed:
Nov. 02, 2004
Applicants:
Yukihiro Aoki, Okaya, JP;
Kazuhiro Karatsu, Ina, JP;
Inventors:
Yukihiro Aoki, Okaya, JP;
Kazuhiro Karatsu, Ina, JP;
Assignee:
Olympus Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heating device at least having an electrically insulating film formed on a surface of a substrate, a heating member formed on the electrically insulating film, and a protection film formed over the electrically insulating film and the heating member, the electrically insulating film and the protection film containing a silicon nitride film having a silicon cont ent in excess of an elemental ratio of silicon to nitrogen of 3:4.