Ni-fe-rd alloys
CA 1075501 A · Owner: International Business Machines Corporation · Inventors: Suits, James C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ni-Fe-Rd ALLOYS, ABSTRACT OF THE DISCLOSURE Permalloy type alloys containing rhodium suitable for use in magnetic devices and having improved resistance to corrosion contain from about 65 to 90 atomic percent nickel 10 to 35 atomic percent iron, and 1 to 25 atomic percent rhodium. Magnetic films made of these alloys which contain 1 to 10 atomic percent rhodium exhibit magnetic properties similar to Permalloy while having increased resistance to corrosion.
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 April 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 1997.
- 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.