Iii - v group compound crystal article and process for producing the same
CA 1331950 C · Owner: Tokunaga, Hiroyuki · Inventors: Yonehara, Takao; Tokunaga, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A III - V group compound crystal article comprises a substrate having a non-nucleation surface with smaller nucleation density (SNDS) and a nucleation surface (SNDL) which is arranged adjacent to said non-nucleation surface (SNDS), has a sufficiently small area for a crystal to grow only from a single nucleus and a larger nucleation density (NDL) than the nucleation density (NDS) of said nonnucleation surface (SNDS) and is comprised of an amorphous material, and a III - V group compound monocrystal grown from said single nucleus on said substrate and spread on said non-nucleation surface (SNDS) beyond said nucleation surface (SNDL).
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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 September 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 13, 2011.
- 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.