Dielectrically isolated semiconductive device
CA 1051123 A · Owner: Symbios Logic Inc. · Inventors: Koo, Tuh-Kai
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A matrix array of semiconductor diodes formed in an epitaxial layer of a semiconductor wafer and being dielectrically isolated from each other by two orthogonal sets of parallel insulating oxide regions one set, extending completely through the epitaxial layer and the other set extending only partially through the epitaxial layer. A preferred method of forming the matrix array is also disclosed.
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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
- 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.