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:
Nov. 03, 2015
Filed:
Feb. 10, 2014
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Seigo Ohta, Tokyo, JP;
Masamichi Tanida, Tokyo, JP;
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Abstract
To provide a glass ceramic body, whereby light which transmits through the substrate and leaks (i.e. emits) out of the incident direction is reduced, and the number of voids at the surface of the substrate and in the inside of the substrate is low, A glass ceramic bodycomprising a glass matrixand flat fillersdispersed therein, wherein the flat fillersare dispersed in the glass matrixso that their individual thickness directions would be substantially in the same direction; and in a cross-section along the thickness direction of the flat fillerin the glass matrix, the occupation area of the flat fillershaving a length in their flat direction of from 0.5 to 20 μm and a length in their thickness direction of from 0.02 to 0.25 μm per unit area of the cross-section is from 30 to 48%.