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:
Apr. 03, 2001
Filed:
Feb. 21, 1997
Applicant:
Inventor:
Tsutomu Hashizume, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/05 ;
U.S. Cl.
CPC ...
B41J 2/05 ;
Abstract
An ink-jet recording head includes: a substrate having a first main surface and a second main surface; ink cavity chambers formed on the second main surface of the substrate; and a piezoelectric element device formed on the first main surface of the substrate, the piezoelectric element including a first electrode, a piezoelectric thin film and a second electrode stacked in this order. A material of the first electrode is the same as that of the second electrode in electrochemical potential.
Hashizume, Tsutomu. (2001). Ink-jet recording head, ink-jet recording apparatus using the same, and method for producing ink-jet recording head (U.S. Patent No. 6209992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6209992
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile