Injection laser
CA 2617912 C · Owner: Shveykin, Vasily Ivanovich · Inventors: Shveykin, Vasily Ivanovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surface-emitting injection laser is proposed that generates radiation in the form of , a plurality of output beams. The laser includes a laser heterostructure that contains an , active layer, waveguide and confining layers end faces, a longitudinal , amplification axis an , optical resonator. In the heterostructure along the longitudinal amplification axis a , sequence of a plurality of alternating emission amplification regions and emission output , regions is formed. In each output region there is a semiconductor emission leak-in layer, the , composition and the thickness of an adjacent confining layer of the heterostructure being , chosen such that partial confinement of emission …
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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 July 7, 2006 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 7, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.