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:
Jun. 14, 2022
Filed:
Sep. 21, 2018
Applicant:
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Inventors:
Yuki Fujio, Tosu, JP;
Nao Terasaki, Tosu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/06 (2006.01); G01N 3/08 (2006.01);
U.S. Cl.
CPC ...
G01N 3/068 (2013.01); G01N 3/08 (2013.01); G01N 2203/0017 (2013.01); G01N 2203/0067 (2013.01); G01N 2203/027 (2013.01);
Abstract
To provide a fracture-visualization sensor capable of visualizing the fracture behavior of a composite material and a composite-material fracture-visualization system using the fracture-visualization sensor. A first luminescent film including a mechanoluminescent material is provided on one surface of a composite material. The first luminescent film has a maximum stress per unit of cross-sectional area within the range of 19-43 N/mm.