Semiconductor laser having high manufacturing yield
CA 1212171 A · Owner: Rca Corporation · Inventors: Botez, Dan; Connolly, John C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A semiconductor laser wherein the major surface of a substrate having a pair of channels therein is misoriented from a member of the {100} family of crystallographic planes by a tilt angle between about 0.2° and 1.5°. The misorientation angle of the substrate surface with respect to the axis of the channels is between about 5° and 45°.
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
- Granted September 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 2003.
- 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.