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:
Oct. 23, 2001
Filed:
Apr. 15, 1999
Yasuhiro Otsuka, Tokyo, JP;
Torahiko Kanda, Tokyo, JP;
Masakazu Okuda, Tokyo, JP;
Fuminori Takizawa, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
In order to reduce a manufacturing cost of an ink jet type recording head by simplifying a structure of the ink jet type recording head and reducing the number of manufacturing steps thereof, to provide a capacity of an ink pool without increasing a size thereof, to make the freedom of nozzle layout high and to make the freedom of design by reducing a restriction on position and number of ink supply ports, the ink pool to which ink is supplied is formed in a rear surface of a nozzle plate having a front surface formed with a plurality of nozzles and an ink chamber plate is attached to the rear surface of the nozzle plate through discrete partition walls each defining a discrete space communicating with different one of the nozzles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile