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.

Date of Patent:
Dec. 19, 2023

Filed:

Jan. 11, 2019
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventors:

Yohei Sato, Hachioji, JP;

Akihisa Shimomura, Atsugi, JP;

Hiroaki Kozai, Kodaira, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14233 (2013.01); B41J 2/162 (2013.01); B41J 2/1606 (2013.01); B41J 2/1628 (2013.01); B41J 2/1642 (2013.01); B41J 2/1646 (2013.01); B41J 2002/14258 (2013.01); B41J 2202/20 (2013.01);
Abstract

Provided is an inkjet head containing a nozzle plate having at least a substrate, wherein the nozzle plate has a liquid-repellent layer on an outermost surface of the substrate on an ink ejection surface side; a liquid-repellent layer base film is provided between the substrate and the liquid-repellent layer; and the liquid-repellent layer base film contains at least silicon (Si) and carbon (C), and having a maximum peak P of a binding energy of a Si2p orbital of a surface portion measured by X-ray photoelectron spectroscopy is in the range represented by the following Formula (1), Formula (1): 99.6 (eV)≤P≤101.9 (eV).


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