Semiconductor device, in particular integrated monolithic circuit, and method of manufacturing same
CA 1102012 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Kooi, Else
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Semiconductor device, i.e. integrated circuit having a monocrystalline semiconductor substrate body and a semiconductor layer provided thereon divided into islands separated by isolation zones comprising an insulation layer of insulating material sunken in the semiconductor. A connection zone locally passed underneath the sunker insulation layer interconnects two adjoining zones associated with two islands comprising circuit elements. -32-
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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
- Granted May 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 1998.
- 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.