Patent · US Expired

Laser beam machining device

US5055653A · kind A · utility

44Cited by
0References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1990
Grant dateOct 8, 1991
Priority date
Expiry dateApr 30, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K26/073
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A laser beam machining device having aspherical lenses for uniformity of the cross section intensity of a laser beam emitted from a laser oscillator, and converging optical unit composed of a plurality of converging lenses disposed to be aligned in single or plural rows on a plane in the optical path of the uniform laser beam, whereby uniform machining can be performed in the middle and at the edges of the machining area and the allowable machining area can be made wider.

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