Systems and methods of glass cutting by inducing pulsed laser perforations into glass articles

US9701564B2 · kind B2 · utility

Assignee

• CORNING INCORPORATED · US

Inventors

• Dana Craig Bookbinder · Corning, US
• Lewis Kirk Klingensmith · Corning, US
• Stephan Lvovich Logunov · Corning, US
• Albert Roth Nieber · Corning, US
• Helmut Schillinger · Herzogenaurach, DE
• Pushkar Tandon · Corning, US
• Sergio Tsuda · Horseheads, US

Key dates

• Filing date: Jul 8, 2015
• Grant date: Jul 11, 2017
• Expiry date: Jul 8, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03B33/0955
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Embodiments of the present method of laser cutting a laser wavelength transparent glass article comprises feeding at least one glass article to a pulsed laser assembly having at least one pulsed laser, wherein the pulsed laser defines a laser beam focal line with a length of 0.1-100 mm, the glass article being comprised of two end sections, and at least one lateral surface disposed lengthwise between the end sections. The method further comprises laser cutting at least one perforation line onto the lateral surface of the glass article while there is relative motion between the glass article and the pulsed laser and separating the glass article along the at least one perforation line to yield a laser cut glass article.