The methods to fabricate collimator arrays with high precision alignment
CA 2344348 A1 · Owner: Long, Pin · Inventors: Long, Pin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An invention proposes a new method for making two collimator arrays aligned each other, with high precision (or for making two collimator aligned each other with high precision, and for making single collimator array on silicon V-Groove plate substrate. Background: The collimator array has many applications in optical fiber system module, subsystems. The collimator array can be used in optical fiber switch matrix. The collimator array can, be used in DWDM mux and demux module. The collimator array can be used in polarization control. The collimator array can be used in isolator array circulator array, polarization controller array variable attenuator array. Most commonly way to build …
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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 April 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2023.
- 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
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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.