NEW DIAMOND 1990　No.2 (For Overseas Readers April,1990)

CONTENTS

Preface

1 CVD Diamond Opens New Areas in Diamond Technology ………………………………………………………………… N. Setaka

Essay

2 Diamond A Unique Material That Stimulates Curiosity of Scientists ……………………………………………………… I. Sunagawa

Synthesis of CVD Diamond

●Growth Mechanism

4 An Approach to the Mechanism of Diamond Growth from Vapor Phase ……………………………………………………… Y.Sato

10 Advantage of Plasmas on Deposition of Diamond ……………………………………………………………………… 0. Matsumot

15 Radical and Ion-molecule Reactions Which Might Take a Role in the Mechanism of the CVD-Diamond Formation ……… S.Sato

●High Rate Synthesis

21 Synthesis of Diamond by Thermal Plasma CVD ………………………………………………………………………… S.Matsumoto

24 High Rate Synthesis of Diamond Films from Gas-phase by Arc Discharge Plasma Jet CVD …………………… N. Ohtake and M. Yoshikawa

27 Synthesis of Diamond Using Combustion Flame in the Atmosphere ………………………………… Y. Hirose and M.Mitsuizumi

●Growth Technique

29 Selective Deposition of Diamond Crystals …………………………………………………………………………… K. Hirabayash

32 Plasma Etching of Diamond Films ………………………………………………………………………………… C. Hata and Y. Sato

35 Multi-shaped and Hybrid Diamond Particles by Vapor Phase Method …………………………………………… K. Komaki and M. Yanagisawa

38 Growth of Spheroidal Diamond Particles by Chemical Vapor Deposition ………………………………………………… S. Hosomi

High Pressure Synthesis

●Diamond

40 Melting of Graphite and Diamond under High Pressures ………………………………………………………………… M. Togaya

43 Micro-aggregate Diamond Abrasives and Their Uses ……………………………………………………………………… K. Suzuki

●cBN

46 Growth and Electronic Application of cBN Single Crystals ……………………………………………………………… O. Mishima

49 Tough Crystal of Cubic Boron Nitride ……………………………………………………………………………………… E. Iizuka

51 High Thermal Conductive Polycrystalline cBN ………………………………………………………………………………S. Yazu

Characterization and Property

●Characterization

54 Raman Spectra of Diamond like Amorphous Carbon Films ……………………………………………………………… M. Yoshikawa

58 Patterns Observed in Cross-sections of High Pressure Synthetic Diamond ………………………………………………… H.Kanda

63 ESR as a Powerful Tool of Characterizing Diamond Crystal …………………………………………………………………… J.Isoya

●Property

67 Ion Implantation into Diamond …………………………………………………………………………………………………… S.Noda

70 Measurement for Thermal Conductivity of Diamond Films ……………………………………………………………… A.Nishikawa

73 Mechanical Properties of Diamond -Strength and Wear Resistivity- ………………………………………………………… N. Ikawa

Tools

●Coated Tools

77 Diamond Coated Inserts Now ………………………………………………………………………… N. Kikuchi and H. Yoshimura

80 Gaseous Phase Synthesis Poly-Crystalline Diamond Tool ……………………………………………………………… F. Okuzumi

83 Diamond Coated Cutting Tools Synthesized from CO ………………………………………………………… T. Ito and N. Hayashi

86 Gas-phase Synthesis of Diamond Film on a Sintered Diamond and Its Application to a Cutting Tool

　　…………………………………………………………………………………………………………… M. Yoshikawa and H. Tokura

●Grinding Wheels

89 Performance of HYBRID Diamond Wheels in Grinding TiN-TaN Cermet Cutting Tools ……………………………… H. Ohshita

92 Diamond Wheels for Grinding Ceramics …………………………………………………………………………………… Y. Ohara

95 Flexible Network Structure Diamond Wheel -MC WHEEL- ……………………………………………………………… M. Ueki

Electronics

●Semiconductor

98 Thermistor Made of CVD Diamond Films ……………………………………………………………………………………………………………… N. Fujimori and H. Nakahata

102 Synthesis of Semiconductive Diamond Using Non-poisonous Substances ……………………………………………… K. Okano

104 Application of Thin-film Diamond for EL Device ……………………………………………………………………………………………………………………………… Y. Taniguchi

●Passivation

107 Application of Diamond Like Carbon Films to Metallic Thin Film Magnetic Recording Tape …… H. Kurokawa, T. Mitani and T. Yonezawa

110 Diamond-Like Carbon Coating Films Prepared by a DC-glow Discharge Plasma CVD Method

　　　………………………………………………………… N. Shohata, S. Hoshino, H. Yamaguchi,Y. Tsukamoto and M. Yanagisawa

Report

113 A Summary of the Report of Studies on Plausible Policies for Promoting the New Diamond Industry …………………… S. Kurita

119 Information on Membership Companies and Associations

141 Notice Board from JNDF

145 Membership List

4,120yen