Separation of transparent workpieces

US10626039B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Andreas Ortner · Gau-Algesheim, DE
• Andreas Habeck · Undenheim, DE
• Klaus Gerstner · Mainz, DE
• Georg Haselhorst · Schmitten, DE
• Fabian Wagner · Heubach, DE

Key dates

• Filing date: May 14, 2015
• Grant date: Apr 21, 2020
• Expiry date: Sep 24, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23K2103/54
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A method is provided for preparing transparent workpieces for separation. The method includes generating aligned filament formations extending transversely through the workpiece along an intended breaking line using ultra-short laser pulses.