Blockless techniques for simultaneous polishing of multiple fiber optics
CA 2316752 A1 · Owner: Labarge, Kim R. · Inventors: Labarge, Kim R.; Wagoner, Gregory A.; Mccallion, Kevin J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for polishing the side surfaces of fiber optics destined for devices in which the evanescent optical field of the optics must be accessed through polished side surfaces thereof. A plurality of fiber optics are temporarily affixed to a rounded surface for polishing of the, outer-facing surfaces thereof. In one embodiment fiber optics are positioned, across a cylindrical lens perpendicular to a longitudinal axis thereof and , are, temporarily affixed thereto using a wax. Polishing commences which can, be monitored for progress using visual or optical power measurements. The fiber optics are thereafter removed from the lens ready for installation into, their respective …
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 August 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2022.
- 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.