Disco Corporation

Other

Waseda University

Nagaoka University of Technology

Ryuji Oshima

Jun Mizuno

Ryogo Maji

Hideo Aida

Yoshiki Ishiai

Yutaka Kimura

Atsuhito Sawabe

Provided are a structure for producing a high-quality single crystal diamond, and a method for manufacturing the structure for producing diamond. A structure for producing a diamond is composed of a base substrate and an Ir thin film formed on the base substrate. The thermal expansion coefficient of the base substrate is 5 times or less of the thermal expansion coefficient of diamond and the melting point of the base substrate is 700° C. or higher. The peak angle in the X-ray diffraction pattern of the Ir thin film is different from the peak angle in the X-ray diffraction pattern of the base substrate.

Structure for producing diamond and method for manufacturing same

Disclosed herein is a cutting blade including diamond abrasive grains and boron compound grains. The average grain size of the diamond abrasive grains falls within the range of 5 &#x3bc;m to 50 &#x3bc;m. The average grain size of the boron compound grains is greater than &#x2155; and less than or equal to &#xbd; of the average grain size of the diamond abrasive grains.

Cutting blade

Growing community of inventors

Tokyo, Japan

Ryuji Oshima