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. 04, 2002
Filed:
Aug. 10, 2000
Applicant:
Inventor:
Ryoichi Imai, Amimachi, JP;
Assignee:
Riso Kagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/335 ; B41J 3/24 ;
U.S. Cl.
CPC ...
B41J 2/335 ; B41J 3/24 ;
Abstract
A thick film thermal head includes an electrical insulating substrate. A pair of heat-resistant electrical insulating plates fixed to a surface of the substrate with their side faces opposed to each other with a gap between. An elongated resistance heater is embedded in the gap, and a plurality of electrodes are formed on the surface of the heat-resistant electrical insulating plates in contact with the resistance heater and arranged in the longitudinal direction of the resistance heater.