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. 11, 2024
Filed:
Sep. 08, 2021
Applicant:
Agc Inc., Tokyo, JP;
Inventors:
Assignee:
AGC Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 21/00 (2006.01); C03C 17/28 (2006.01); C03C 17/30 (2006.01); C03C 17/32 (2006.01); G01L 1/24 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 17/28 (2013.01); C03C 17/30 (2013.01); C03C 17/32 (2013.01); G01L 1/24 (2013.01); C03C 2217/732 (2013.01); C03C 2218/151 (2013.01);
Abstract
The present invention relates to a chemically strengthened glass with a film, including: a chemically strengthened glass having a pair of main surfaces opposing each other; and a film formed on at least one of the main surfaces of the chemically strengthened glass, in which the chemically strengthened glass has two or less interference fringes observed under stress measurement utilizing surface propagation light having a wavelength of 365 nm, and the film has a refractive index lower than a refractive index of the chemically strengthened glass.