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. 30, 2003
Filed:
Apr. 27, 1995
Applicant:
Inventor:
Minoru Nozawa, Machida, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/05 ;
U.S. Cl.
CPC ...
B41J 2/05 ;
Abstract
The present invention provides a method for manufacturing a liquid jet recording head, comprising the steps of providing a liquid jet recording head sub-assembly; polishing a surface of the sub-assembly on which the discharge openings are to be formed; and removing the filler from the liquid passages. Method further comprises a step of curing the filler to become harder than the pencil hardness H before the polishing step. The present invention further provides a liquid jet recording head manufactured by the above method, and a liquid jet recording apparatus including such recording head.