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. 17, 2009
Filed:
Sep. 27, 2005
Hisamitsu Hori, Kanagawa, JP;
Hisamitsu Hori, Kanagawa, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
The liquid ejection head comprises: a plurality of ejection ports through which liquid is ejected; a plurality of pressure chambers which are connected respectively to the ejection ports; a common liquid chamber in which the liquid to be supplied to the pressure chambers is accumulated; a plurality of supply flow channels which connect the common liquid chamber to the pressure chambers; and a plurality of supply restrictors each of which constitutes at least a portion of each of the supply flow channels, wherein at least a portion of one of the ejection ports connected to one of the pressure chambers and a portion of one of the supply restrictors connected to the one of the pressure chambers are processed by means of the same laser beam.