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:
Feb. 25, 2003
Filed:
May. 28, 1999
Takao Nishikawa, Shiojiri, JP;
Atsushi Takakuwa, Shiojiri, JP;
Seiko Epson Corporation, , JP;
Abstract
This ink jet recording head manufacturing method comprises (A) forming a peeling layer wherein peeling is induced by light irradiation, on a base plate exhibiting light-transmissivity, (B) forming a common electrode film on the peeling layer , (C) forming a plurality of piezoelectric elements , (D) forming a reservoir piece comprising a lid structure that accommodates in its interior one or more piezoelectric elements , which interior forms an ink reservoir , (E) irradiating the peeling layer with prescribed light from the base plate side thereof, thereby producing peeling in the peeling layer , and peeling the base plate away, and (F) bonding a pressure chamber plate , whereon are provided a plurality of pressure chambers , to the common electrode film separated from the base plate, so that the pressure chambers are sealed.