Device for working a workpiece using laser light
US5029243A · kind A · utility
28Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Sep 14, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/3494
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for working a workpiece by means of laser light includes a laser, a beamsplitter for splitting the laserbeam into at least two sub-laserbeams of substantially identical intensities, and a control unit which controls the light intensity of the laser and the movement of a workpiece support and the laserbeam relative to each other. The beamsplitter includes at least one digital-phase grating which divides the laserbeam into a plurality of sub-laserbeams to produce a pattern of laser spots onto the workpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.