Diamond-coated sintered body excellent in adhesion and process for preparing the same
Patent 5100703 Issued on March 31, 1992. Estimated Expiration Date: 
December 7, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 7, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesBlade member of cermet having surface reaction layer and process for producing same Method for making a composite body coated with one or more layers of inorganic materials including CVD diamond Diamond-coated tungsten carbide-base sintered hard alloy material for insert of a cutting tool Patent #: 4731296 InventorsAssigneeApplicationNo. 623493 filed on 12/07/1990US Classes:427/249.7, Diamond-like carbon coating (i.e., DLC)427/249.13, Tungsten containing base427/307, Etching, swelling, or dissolving out part of the base427/309, Inorganic base427/575, Generated by microwave (i.e., 1mm to 1m)427/902DIAMOND-LIKE CARBON COATING (I.E., DLC)ExaminersPrimary: Beck, ShriveAssistant: Burke, Margaret Attorney, Agent or FirmForeign Patent References
International ClassesC23C 016/02C23C 016/26 C23C 016/50 Foreign Application Priority Data1989-02-23 JPAbstractThere are disclosed a diamond-coated sintered body, comprising a film or diamond and/or diamond-like carbon deposited on the surface of a sintered body of a hard phase composed mainly of a mixture of W2 C and WC and inevitable impurities and a process for preparing the same. | |
