Patent · US Expired

Monitoring an optical element of a processing head of a thermal machine tool

US7023538B2 · kind B2 · utility

3Cited by

3References

8Claims

0Family size

Assignee

TRUMPF Laser GmbH + Co. KG · DE

Inventors

Jochen Hutt · Schramberg, DE
Rainer Flaig · Eschbronn, DE

Key dates

Filing date	Apr 18, 2003
Grant date	Apr 4, 2006
Priority date	—
Expiry date	Dec 31, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/157
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus for monitoring an optical element of a processing head of a machine for thermal processing of a workpiece includes a light source for coupling a light beam into an optical surface of an optical element and a detector for detecting a portion of the light beam scattered in the region of the optical surface facing the workpiece.

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