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. 08, 2005
Filed:
Dec. 09, 2002
Takao Nishikawa, Shiojiri, JP;
Atsushi Takakuwa, Shiojiri, JP;
Takao Nishikawa, Shiojiri, JP;
Atsushi Takakuwa, Shiojiri, JP;
Seiko Epson Corporation, , JP;
Abstract
An ink jet recording head manufacturing method is provided comprising: forming a peeling layer wherein peeling is induced by light irradiation on a base plate exhibiting light-transmissivity; forming a common electrode film on the peeling layer; forming a plurality of piezoelectric elements, forming a reservoir piece including a lid structure that accommodates one or more piezoelectric elements in an interior which forms an ink reservoir; irradiating the peeling layer with prescribed light from the base plate side to induce peeling; peeling the base plate away; and bonding a pressure chamber plate provided with a plurality of pressure chambers to the common electrode film separated from the base plate so that the pressure chambers are sealed.