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United States Patent 6,444,948
Giering ,   et al. September 3, 2002

Fine and micro-machining process for workpieces by means of laser beams

Abstract

A process and device are disclosed for fine and micro-machining workpieces by means of laser beams. The process is conducted in several stages and the device has a modular design. The process and device make it possible to generate highly uniform cut seams or grooves, to set the required conicity, to work in a highly accurate and reproducible manner and give a great freedom of design during machining.


Inventors: Giering; Axel (Stuttgart, DE); Linden; Peter (Beimerstetten, DE); Beck; Markus (Ulm, DE); Bahnmuller; Jochen (Wendlingent, DE)
Assignee: DaimlerChrysler AG (DE)
Appl. No.: 529334
Filed: June 1, 2000
PCT Filed: September 15, 1998
PCT NO: PCT/EP98/05836
371 Date: June 1, 2000
102(e) Date: June 1, 2000
PCT PUB.NO.: WO99/19108
PCT PUB. Date: April 22, 1999
Foreign Application Priority Data

Oct 15, 1997[DE]197 45 280

Current U.S. Class: 219/121.73
Intern'l Class: B23K 026/36
Field of Search: 219/121.68,121.69,121.7,121.71,121.72,121.78,121.79,121.8,121.81,121.73


References Cited

U.S. Patent Documents
4822974Apr., 1989Leighton.
5093549Mar., 1992Iwai et al.
5284477Feb., 1994Hanna et al.219/121.
5632083May., 1997Tada et al.219/121.
5645740Jul., 1997Naiman et al.219/121.
Foreign Patent Documents
32 17 226Dec., 1982DE.
295 15 897Feb., 1996DE.
2 227 965Aug., 1990GB.


Other References

Vaughan, William; Dove Prisms Properties and Problems; In: Optical Spectra; Oct. 1981, p. 68.

Primary Examiner: Heinrich; Samuel M.
Attorney, Agent or Firm: Pendorf & Cutliff

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