A semiconductor laser diode bar assembly
CA 2304859 A1 · Owner: Gec-Marconi Avionics (Holdings) Limited · Inventors: Hall, Peter Hutchinson
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A semiconductor laser diode bar assembly comprises a copper base plate (2) in which are mounted a plurality of heat pipes (3) for distributing heat within , the base plate from a region under diode bar (4) mounted to the base plate. The assembly (1) is mounted on a heat sink (7) and electrically isolated from said heat sink by electrically insulating layer (7). Incorporation of the heat pipes into the base plate of the assembly which base plate forms an electrode , for the diode bar results in more efficient cooling of the diode bar (4).
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 September 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 2020.
- 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.