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:
Jul. 03, 2018
Filed:
Jan. 28, 2016
Seiko Epson Corporation, Tokyo, JP;
Toshiaki Hamaguchi, Fujimi-machi, JP;
Eiju Hirai, Minowa-machi, JP;
Yoichi Naganuma, Matsumoto, JP;
Motoki Takabe, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A manufacturing method of a head which includes a channel formation substrate having two piezoelectric actuator rows formed thereon, a driving circuit, and a driving circuit board which is provided with a first bump and a second bump. In the method, a piezo element is formed and the first bump is formed on the outside of the piezoelectric actuator row, on the driving circuit board, an adhesive layer is provided on both sides of the first bump and the second bump, a first through hole and a second through hole are formed on the driving circuit board, a first connection wiring and a second connection wiring which are connected to the driving circuit are formed, and a first electrode of the piezoelectric actuator is electrically connected to the first connection wiring via the first bump and a second electrode is electrically connected to the second connection wiring via the second bump.