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. 01, 2005
Filed:
Apr. 10, 2003
Takaaki Miyamoto, Kanagawa, JP;
Manabu Tomita, Kanagawa, JP;
Shogo Ono, Kanagawa, JP;
Minoru Kohno, Tokyo, JP;
Osamu Tateishi, Nagasaki, JP;
Takaaki Miyamoto, Kanagawa, JP;
Manabu Tomita, Kanagawa, JP;
Shogo Ono, Kanagawa, JP;
Minoru Kohno, Tokyo, JP;
Osamu Tateishi, Nagasaki, JP;
Sony Corporation, Tokyo, JP;
Abstract
A liquid dispenser includes a substrate and a plurality of liquid-dispensing portions, arranged on the substrate, including at least one liquid chamber for storing liquid, one nozzle, and one heating element, wherein the heating elements are energized to heat liquid stored in the corresponding liquid chambers to eject a droplet of the liquid from the corresponding nozzles; the heating elements and the liquid chambers have a protective layer and an insulating layer therebetween; each heating element, the insulating layer, the protective layer, and each liquid chamber are arranged in that order; the insulating layer isolates the protective layer from the heating elements; and the protective layer comprises an inorganic material, protects the heating elements, has a strip shape so as to cover some of the plurality of heating elements adjacent to each other, and has slits each disposed between the heating elements. A printer includes such a liquid dispenser.