Method for the machining of workpieces by means of several laser beams
CA 2399108 A1 · Owner: Datacard Corporation · Inventors: Bielesch, Ulrich; Kreuter, Rudiger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The aim of the invention is a method, whereby the least energy per pulse required is achieved, despite high pulse frequencies during the machining of , materials by means of laser beams (2a 2b, 2c), in particular during the , engraving of for example, metal, or during the blackening and inscribing of plastics. Said aim is achieved, whereby several laser beams (2a 2b, 2c) are , brought together, by means of a beam combiner (5 5a, 5b), fed down a common , beam guide onto the workpiece and in particular, controlled in an , intermittent manner.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed February 15, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 15, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 15, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.