An integrated optical board comprising integrated optic waveguide circuit modules
CA 2258103 A1 · Owner: Hatami-Hanza, Hamid · Inventors: Benham, Victor; Hatami-Hanza, Hamid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of attaching and aligning optical fibers to integrated optical waveguide circuits of, different modules is disclosed. In accordance with the method a layout of a , certain number of, parallel grooves along with a number of markers with standard distances from , each other first are, imprinted on the substrate; grooves with the desired depth are then fabricated by the suitable, means and fibers are embedded and affixed by the suitable adhesive in the in end-to-end grooves, fabricated in a substrate and annealed thereafter. In one preferred embodiment, the embedded, fibers are buried in the grooves such that the outer surface of the fiber is slightly below the surface, of the …
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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 January 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 11, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.