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:
Dec. 02, 2008
Filed:
Sep. 16, 2004
Applicants:
Tadashi Yamamoto, Kyoto, JP;
Shinobu Obata, Kyoto, JP;
Kanjou Ishibashi, Amagi, JP;
Inventors:
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/34 (2006.01); B41J 2/335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermal printhead (A) comprises an insulating substrate (), a common electrode () which is formed on the insulating substrate () and includes a plurality of comb teeth (), a plurality of individual electrodes () formed on the insulating substrate (), and a resistor layer () formed on the insulating substrate () and electrically connected to the comb teeth () and the individual electrodes (). The resistor layer () comprises a thin film, whereas the common electrode () and the individual electrodes () comprise a thick film.