Method for making a hermetically sealed package comprising at least one optical fibre feedthrough
CA 2259971 A1 · Owner: Thackara, John Ingalls · Inventors: Thackara, John Ingalls
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention pertains to a very efficient method for making a hermetically sealed package, which package comprises a housing (1) a lid (2), and a , feedthrough for at least one stripped optical fibre (4) which method , comprises the following steps: placing the optical fibre or fibres and at least one solder preform (3) between the sealing surface of the lid and the sealing surface of the housing; sealing the assembly by applying pressure and heat so as to press the fibre or fibres into the solder.
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 July 1, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 1, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 1, 2019.
- 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.