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:
Sep. 20, 2005
Filed:
Aug. 29, 2003
Yoshiyuki Imanaka, Kanagawa-Ken, JP;
Sadayuki Sugama, Ibaraki-Ken, JP;
Ichiro Saito, Kanagawa-Ken, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Akihiro Yamanaka, Kanagawa-Ken, JP;
Masahiko Kubota, Tokyo, JP;
Yoshiyuki Imanaka, Kanagawa-Ken, JP;
Sadayuki Sugama, Ibaraki-Ken, JP;
Ichiro Saito, Kanagawa-Ken, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Akihiro Yamanaka, Kanagawa-Ken, JP;
Masahiko Kubota, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head substrate used for a liquid discharge head is adapted to discharge liquid by applying discharge energy to the liquid. The substrate is a semiconductor substrate including an energy conversion element for converting electric energy into the discharge energy and a function element made of a ferroelectric material.