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:
May. 03, 2011
Filed:
Mar. 29, 2007
Teruaki Okuda, Tokyo, JP;
Yoshiyuki Nagase, Kawasaki, JP;
Nobuo Tokutake, Kawasaki, JP;
Asako Watanabe, Kawasaki, JP;
Teruaki Okuda, Tokyo, JP;
Yoshiyuki Nagase, Kawasaki, JP;
Nobuo Tokutake, Kawasaki, JP;
Asako Watanabe, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A high quality ink jet recording medium with a printed image non-vulnerable and excellent in scratch resistance is obtained with an ink jet recording using a water pigment ink. An ink jet recording medium having a substrate and an ink receiving layer including an inorganic particle and a binder on the substrate is provided. A surface of the ink receiving layer has (a) a projected valley portion depth (Rvk) of not less than 20 nm and not more than 100, (b) an arithmetic average roughness (Ra) of not less than 5 nm and not more than 100 nm, and (c) an average spacing (S) of local peaks of not more than 1.0 μm.