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:
May. 07, 2019

Filed:

Mar. 19, 2018
Applicant:

Sii Printek Inc., Chiba-shi, Chiba, JP;

Inventors:

Hitoshi Nakayama, Chiba, JP;

Takeshi Sugiyama, Chiba, JP;

Daichi Nishikawa, Chiba, JP;

Eriko Maeda, Chiba, JP;

Assignee:

SII PRINTEK INC., Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 (2006.01); B41J 2/14 (2006.01); C23C 18/16 (2006.01); C23C 18/32 (2006.01); C23C 18/42 (2006.01); G03F 7/16 (2006.01); H01L 41/047 (2006.01); H01L 41/09 (2006.01); H01L 41/29 (2013.01); H01L 41/187 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1643 (2013.01); B41J 2/14209 (2013.01); B41J 2/1607 (2013.01); B41J 2/1609 (2013.01); B41J 2/1623 (2013.01); B41J 2/1629 (2013.01); B41J 2/1631 (2013.01); B41J 2/1632 (2013.01); B41J 2/1634 (2013.01); B41J 2/1635 (2013.01); B41J 2/1642 (2013.01); C23C 18/1605 (2013.01); C23C 18/32 (2013.01); C23C 18/42 (2013.01); G03F 7/16 (2013.01); H01L 41/047 (2013.01); H01L 41/09 (2013.01); H01L 41/29 (2013.01); B41J 2002/14491 (2013.01); H01L 41/1876 (2013.01);
Abstract

A discharge channel and a non-discharge channel are formed to have a similar shape, that is, to include extension portions and raise-and-cut portions continuing from end portions of both the extension portions, respectively. Then, imparting of a catalyst, washing of an unnecessary catalyst, plating, and the like are performed on a target surface, as a plating step. In an embodiment, an electrode clearance groove is formed after the plating step. Since channel grooves for the discharge channel and the non-discharge channel have a similar shape, it is possible to cause a water flow to uniformly flow in the channels when washing is performed, and thus to avoid an occurrence of a situation in which a lump is formed in the channel groove by plating.


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