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:
Aug. 02, 1994
Filed:
Oct. 18, 1991
Akio Kashiwazaki, Yokohama, JP;
Masatsune Kobayashi, Yokohama, JP;
Ryuichi Arai, Tokyo, JP;
Junichi Kobayashi, Ayase, JP;
Akihiko Shimomura, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process for preparing an ink jet recording head, comprises: the step for providing a first material which is volatilized by imparting an active energy in a layer on a substrate; the step for patterning the layer of said first material by imparting said active energy to the layer of said first material corresponding to the pattern of ink channels communicated to the discharging outlet which discharges ink; the step for providing a second material so as to cover the layer of said material shaped in the pattern formed by said step; and the step for forming said ink channels by volatilization of the layer of said pattern shaped first material coated with said second material by imparting said active energy.