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:
May. 02, 1989
Filed:
Jun. 23, 1988
Shiro Tsuji, Amagasaki, JP;
Eizo Naya, Amagasaki, JP;
Takashi Yamanaka, Amagasaki, JP;
Yoshihiro Usui, Amagasaki, JP;
Hiroshi Ito, Amagasaki, JP;
Noriyuki Hasebe, Amagasaki, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A thermal head for a printer in accordance with the present invention comprises: a substrate (11); a heater layer (12) on the substrate; lead wires (13a and 13b) formed on the heater layer for supplying electric power to the heater layer; and a single protective layer (20) for protecting the heater layer and the lead wires by covering them, the protective layer including an oxide or a nitride.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile