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:
Oct. 16, 2001
Filed:
May. 01, 2000
Applicant:
Inventors:
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/335 ;
U.S. Cl.
CPC ...
B41J 2/335 ;
Abstract
A thermal printhead,according to the present invention includes a multiplicity of heating elements,formed in a row on an obverse surface of an elongated substrate,at a portion which is offset widthwise toward one longitudinal side of the substrate, and a protective film,formed on the obverse surface of the substrate,at the widthwise offset portion for covering the heating elements,The protective film,is formed to extend on the obverse surface of the substrate,continuously from the widthwise offset portion onto one longitudinal side surface,of the substrate. A longitudinal edge,of the protective film,directed toward the other longitudinal side of the substrate,is tapered.