Compact of boron-doped diamond and method for making same
CA 1135964 A · Owner: General Electric Company · Inventors: Bovenkerk, Harold P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In one embodiment a compact for tools, such as cutting, drilling wire drawing and shaping tools, consists essentially of a porous mass of self-bonded, boron-doped diamond particles and a catalyst-solvent material. The method for making such a compact comprises the steps of bonding a mass of borondoped diamond particles, aided by a catalyst-solvent material under high temperatures and high pressures (HP/HT). In another embodiment a composite compact, which is, made in a similar manner to the first embodiment consists, essentially of (i) a layer of a porous mass of self-bonded boron-doped diamond particles and catalyst-solvent material; and (ii) a substrate layer of cemented carbide bonded to …
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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 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
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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.