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:
Mar. 13, 2007
Filed:
Oct. 29, 2003
Applicants:
Masaya Yamamoto, Kyoto, JP;
Shinobu Obata, Kyoto, JP;
Inventors:
Masaya Yamamoto, Kyoto, JP;
Shinobu Obata, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermal print head includes an insulating board (), a glaze layer () formed on the board (), a wiring pattern () formed on the glaze layer (), and an electrode () connected to the wiring pattern (). The electrode () includes a pad () provided on the wiring pattern (), and an upper layer () formed on the pad (). The upper layer () has a higher solderability than the pad () while also having a smaller surface area than the pad ().