Microelectromechanical micro-relay with liquid metal contacts
CA 2399096 C · Owner: Mcmillan, Lee A. · Inventors: Bergstedt, Roderick G.; Streeter, Robert D.; Mcmillan, Lee A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A MEM relay includes an actuator, a shorting bar disposed on the actuator a , contact substrate, and a plurality of liquid metal contacts are disposed on the contact , substrate such that the plurality of liquid metal contacts are placed in electrical, communication when the MEM relay is in a closed state. Further the MEM relay , includes a heater disposed on said contact substrate wherein said heater is in thermal , communication with the plurality of liquid metal contacts. The contact substrate can , additionally include a plurality of wettable metal contacts disposed on the contact , substrate wherein each of the plurality of wettable metal contacts is proximate to each 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 February 1, 2001 and granted October 11, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 1, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 1, 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
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.