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. 06, 2001
Filed:
Oct. 24, 1997
Tsutomu Hashizume, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink jet recording head includes: a piezoelectric body element,that is formed on a silicon substrate,an ink cavity,that is formed at a location of the silicon substrate,corresponding to the piezoelectric body element,and a jetting port,for jetting ink contained in the ink cavity,The ink cavity,has a beamlike ion implanted layer,that is not only interposed between at least a pair of confronting side walls,and,thereof while coming in contact with desired regions of such side walls,and,but also formed so as to be distanced from other side walls,and,thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile