【発明の名称】ダイヤモンド焼結体及びその製造法

Title:

【発明の名称】ダイヤモンド焼結体及びその製造法

Document Type and Number:

Japanese Patent JPH066769

Kind Code:

B2

Abstract:

A sintered article of diamond is obtained by coating the surface of diamond particles with 30 to 0.1% by volume, based on the total volume of the diamond particles and aids, of at least one member selected from the group consisting of the transition metals of Groups 4a, 5a, and 6a in the Periodic Table of Elements and boron and silicon, and sintering the coated diamond particles under conditions of high pressure and high temperature, which sintered article consists of 70 to 99.8% by volume of diamond and 30 to 0.2% by volume of the carbide of the coating substance. A method for the production of the sintered article of diamond is also disclosed.

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Inventors:

KUME MASAICHI
YOSHIDA HARUO
SUZUKI KAZUTAKA
TAZAKI YOSHIO
IKUTA SHIRO
ISHIKAWA MASAMITSU
MACHIDA MITSUHIDE

Application Number:

JP17338687A

Publication Date:

January 26, 1994

Filing Date:

July 10, 1987

Export Citation:

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Assignee:

KOGYO GIJUTSUIN

International Classes:

C04B35/52; B01J3/06; C22C1/05; C22C21/10; C22C26/00; (IPC1-7): C22C26/00; C04B35/52; C22C1/05

Attorney, Agent or Firm:

Director, Nagoya Institute of Industrial Technology, Institute of Industrial Technology

Next Patent: PORTABLE TERMINAL EQUIPMENT