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.

Date of Patent:
Jan. 15, 2002

Filed:

Nov. 08, 2000
Applicant:
Inventor:

Hayami Sugiyama, Ise, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/335 ; B41J 2/325 ;
U.S. Cl.
CPC ...
B41J 2/335 ; B41J 2/325 ;
Abstract

A thermal head of the present invention comprises a substrate ( ) consisting of a metal such as a stainless steel, insulating layers ( ), with raised portions ( ) being formed by raising up a part of the surface thereof, and exothermic resistors ( ) formed on the raised portions. Common electrodes ( ) are disposed on the substrate, which protrude from the surface of the substrate, penetrate through the raised portions and are connected to the exothermic resistors, to thereby divide the resistors into first exothermic resistors and second exothermic resistors, centering on the connecting point.


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