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:
Jan. 05, 2016
Filed:
Aug. 06, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of manufacturing an ejection orifice member includes: preparing a substrate including a first layer, a second layer, and a third layer, the first layer protruding in a first direction crossing a principal surface of the substrate, the second and third layers being formed on the first direction side of the first layer, the preparing a substrate including forming the second layer to follow a contour of a first direction side surface of the first layer, and then forming the third layer on a surface of the second layer which protrudes on the first direction side; performing plating using the second layer as a seed to form a fourth layer on the first direction side of the second layer; removing the third layer from the fourth layer to form a hole as the ejection orifice in the fourth layer; and thinning the fourth layer at least around the hole.