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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.:

US 6213590 B1

PDFFull Text
Date of Patent:
Apr. 10, 2001

Filed:

Sep. 08, 1999

Inkjet head for reducing pressure interference between ink supply passages

Applicant:
Inventors:

Masahiro Fujii, Suwa, JP;

Keiichi Mukaiyama, Suwa, JP;

Hiroyuki Maruyama, Suwa, JP;

Tadaaki Hagata, Suwa, JP;

Ikuhiro Miyashita, Suwa, JP;

Assignee:

Seiko Epson Corporation, Tokyo, JP;

Attorney:
Primary Examiner:

John Barlow

Assistant Examiner:

Raquel Yvette Gordon

Int. Cl.
CPC ...
B41J 2/04 ;
U.S. Cl.
CPC ...
B41J 2/04 ;
Abstract

A high reliability ink jet head for an ink jet recording apparatus enabling consistent ink ejecting with no nozzle clogging. The ink jet head therefor comprises a substrate comprising plural ink passages, each comprising a nozzle, pressure generator continuous to the nozzle, and an orifice, and an ink supply member common to the plural ink passages. The substrate comprising an anisotropic crystalline material such as silicon, and a filter channel formed integrally to the ink supply member by anisotropic etching.

Find Patent Forward Citations

Fujii, Masahiro. (2001). Inkjet head for reducing pressure interference between ink supply passages (U.S. Patent No. 6213590). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6213590

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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