Controlled depth laser drilling system
CA 1306019 C · Owner: Toth, Vincent A. · Inventors: Roach, James F.; Toth, Vincent A.; Kasner, William H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
29 53,143, ABSTRACT OF THE INVENTION, A controlled depth laser drilling system for a workpiece containing metallic conductors is provided having at least one laser beam (56 and/or 57 of Figure 5) where a portion of the laser beam (44) will be reflected from the workpiece and back to a drilling depth monitoring means (43) containing optical means capable of reflecting a portion of the original and reflected laser beams into radiation detector means (46', 46'' and/or 45' 45''), where the detector means are capable of converting the radiation received into a measurable electrical signals.
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
- Granted August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 2009.
- 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.