Non-rectifying contacts to iii-v semiconductors
CA 1310433 C · Owner: American Telephone And Telegraph Company · Inventors: Appelbaum, Amiram; Robbins, Murray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A new technique for forming non-rectifying electrical contacts to III-V semiconductor materials without the use, of dopants or of an alloying procedure is disclosed. In, accordance with this technique an electrical contact is, formed simply by depositing a region of material (onto the semiconductor material) having a composition which includes at least one metal element and at least one of three specific Group V elements, i.e. P, As, or Sb and having a, bulk electrical resistivity equal to or less than about 250 µ.OMEGA.-cm. Alternatively, a contact is formed by depositing nickel, or a nickel-containing material essentially free of gold and silver, and having a …
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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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
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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.