Optical module and method for assembling the same
CA 2448196 A1 · Owner: Nippon Sheet Glass Co. Ltd. · Inventors: Kobayashi, Fumitoshi; Nakama, Kenichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical module capable of collectively specifying angles of a plurality of optical fibers with respect to a flat-plate micro-lens array when a plurality of micro-lens optical axes are collectively aligned with a plurality of optical fibers for passively fixing, the module comprising a flat-plate microlens array having a plurality of circular micro-lenses arranged on one surface of a flat-surface transparent substrate a fitting transparent substrate , having a plurality of fine fitting recesses arranged in one surface of a flatsurface transparent substrate, a first optical fiber guide substrate having a plurality of fine guide holes arranged in and penetrating a flat-surface …
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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 May 21, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2024.
- 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.