PLATING METHOD FOR DIAMOND

PURPOSE:To obtain a recording stylus which is free from electrode peeling and has excellent reproducing characteristics by diffusing metal in diamond, forming carbide of metal thereon and diffusing the carbide and the metal then coating metal thereof. CONSTITUTION:Metal such as Ti, Hf, Mo, W, Ta or...

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Bibliographische Detailangaben
1. Verfasser:	IKEDA TANEJIROU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOUNDS THEREOF CRYSTAL GROWTH DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INORGANIC CHEMISTRY METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE NON-METALLIC ELEMENTS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a recording stylus which is free from electrode peeling and has excellent reproducing characteristics by diffusing metal in diamond, forming carbide of metal thereon and diffusing the carbide and the metal then coating metal thereof. CONSTITUTION:Metal such as Ti, Hf, Mo, W, Ta or Cr is ion-plated on diamond 1, and is ion-implanted at 150-200Angstrom into the diamond 1 to form a diffusion layer 2. A carbide layer 3 of metal of 200-300Angstrom wherein the metal and the diamond react is formed thereon. Thereafter, metal is coated thereon with a gradual decrease in the quantity of metallic ions to form a metallic layer 4 of about 2,000Angstrom thereon. Then the diamond recording stylus which is free from peeling in the electrode part during polishing and has excellent adhesive strength and reproducing characteristics is obtained.