Amorphous oxide film and article having such film thereon
CA 1338431 C · Owner: Ando, Eiichi · Inventors: Suzuki, Koichi; Suzuki, Susumu; Ando, Eiichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An amorphous oxide film composed essentially of an oxide containing at least one member selected from the group consisting of Zr, Ti, Hf, Sn, Ta and In and at least one member selected from the group consisting of B and Si. When coated on a substrate the film is transparent and has good durability to wear as would be experienced by e.g. a, window. Unlike known films, the present film is durable without interfering with the optical properties of the substrate.
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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 July 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2013.
- 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
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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.