Patent · US Expired

Use of a laser-sensitive coating for the production of a laser-inscribable sheet of glass

US6444068B1 · kind B1 · utility

23Cited by

3References

9Claims

0Family size

Assignee

tesa AG · DE

Inventors

Arne Koops · Mölln, DE
Ronald Pfaff · Hamburg, DE
Christian Kreft · Hamburg, DE

Key dates

Filing date	Apr 26, 1999
Grant date	Sep 3, 2002
Priority date	—
Expiry date	Apr 26, 2019

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB44F1/066
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Method for the production of a laser-inscribable sheet of glass, wherein a laser-sensitive coating, comprisinga) a base polymer andb) a radiation-sensitive additive which exhibits a color change on laser irradiation, is applied to at least part of a sheet of glass and hardened, and the sheet of glass is subsequently inscribed by means of a laser.

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