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:
Oct. 17, 2023
Filed:
Apr. 10, 2018
Applicant:
Hitachi High-technologies Corporation, Tokyo, JP;
Inventors:
Akihiro Nojima, Tokyo, JP;
Takamichi Mori, Tokyo, JP;
Isao Yamazaki, Tokyo, JP;
Kohei Nonaka, Tokyo, JP;
Assignee:
Hitachi High-Tech Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 35/00 (2006.01); G01N 35/10 (2006.01); G01N 21/82 (2006.01);
U.S. Cl.
CPC ...
G01N 21/82 (2013.01); G01N 35/00623 (2013.01); G01N 35/1004 (2013.01);
Abstract
An object of the present invention is to provide a technology in which an amount of pigment carried from a pigment solution can be accurately measured at the time of testing a surface state of a dispensing probe on the basis of the amount of carried pigment. In a test method according to the present invention, a surface state of a dispensing probe is evaluated on the basis of an amount of pigment carried from an acidic pigment solution into a solution including no pigment.