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:
Jan. 16, 1996
Filed:
Dec. 28, 1994
Takaya Nagahata, Ukyo, JP;
Tokihiko Kishimoto, Ukyo, JP;
Rohm Co. Ltd., Kyoto, JP;
Abstract
A thermal printhead is provided which comprises an insulating head substrate, a conductor pattern formed on the head substrate, a row of heating dots formed on the head substrate in electrical conduction with the conductor pattern, an array of drive ICs mounted on the head substrate and spaced from the row of heating dots, a resin body enclosing the array of drive ICs, and a protective coating covering the conductor pattern together with the row of heating dots. The protective coating comprises a smaller thickness portion at least at the row of heating dots, and a larger thickness portion held in contact with the resin body and extending to a position short of the row of heating dots.