Laser beam machining device
US5055653A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1990 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Apr 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.