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:
Sep. 08, 2026
Filed:
Dec. 09, 2020
Applicant:
Ntt, Inc., Tokyo, JP;
Inventors:
Assignee:
NTT, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 17/00 (2006.01); G01B 21/08 (2006.01);
U.S. Cl.
CPC ...
G01B 21/08 (2013.01); G01N 17/00 (2013.01);
Abstract
A coating film evaluation structure includes a laminate including a first sheet, a second sheet, and a third sheet which are laminated. The second sheet is disposed on the first sheet, and the third sheet is disposed on the second sheet. In the laminate, the area of each sheet gradually reduces in the lamination direction, and a stepped portion is provided at an end portion. The coating film to be evaluated and the plurality of sheets have different colors. The coating film evaluation structure includes a coating film layer formed on the sheet having the largest area among the plurality of sheets so as to cover the other sheets and having a flat surface.