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. 26, 2018
Filed:
Jul. 01, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1631 (2013.01); B41J 2/162 (2013.01); B41J 2/1603 (2013.01); B41J 2/1628 (2013.01); B41J 2/1639 (2013.01); B41J 2/1645 (2013.01); G03F 7/70 (2013.01);
Abstract
There is provided a method for laminating a smooth thin resin layer on a substrate in manufacturing a liquid ejection head by a casting method. To achieve this, a resin layer having a sufficient thickness to fill a concave portion already existing on the substrate is applied and smoothed. Thereafter, a plurality of opening patterns (concave portions) are formed and then smoothed again to obtain a thin resin layer having a desired thickness.