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:
Jun. 30, 1992
Filed:
Dec. 21, 1990
Minoru Nozawa, Machida, JP;
Tadayoshi Inamoto, Machida, JP;
Hideaki Mashio, Sagamihara, JP;
Masami Yokota, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process for producing a liquid jet recording head comprises the step of laminating a solid layer for formation of a liquid channel, a photosensitive material to be provided so as to cover over the solid layer, a discharge opening plate provided with a discharge opening communicated to the liquid channel in this order on a substrate; the step of irradiating an active energy ray in a pattern on the photosensitive material layer; and the step of removing the solid layer and the uncured portion of said photosensitive material layer corresponding to the pattern to form the liquid channel.