Patent · US Active

Tempered glass article with sub-surface laser engraving and production method

US10604444B2 · kind B2 · utility

2Cited by

4References

18Claims

0Family size

Assignees

Schott AG · DE
SCHOTT ORIM Sanayi ve Ticaret A.S. · TR

Inventors

Hüda Karagöz · Çorlu, TR
Axel Curdt · Georgenborn, DE

Key dates

Filing date	Sep 16, 2016
Grant date	Mar 31, 2020
Priority date	—
Expiry date	Sep 16, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P40/57
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A glass article is provided that has sub-surface laser engraving and a prestressing of the surface. A production method for the glass article and the use of the glass article are also provided. The sub-surface laser engraving is arranged in a partial volume of the glass article that is under tensile stress, with tempering of the glass article being performed after the introduction of the sub-surface laser engraving.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.