Title:
ダイヤモンド焼結体、及びダイヤモンド焼結体を備える工具
Document Type and Number:
Japanese Patent JP7042989
Kind Code:
B1
Abstract:
ダイヤモンド粒子を含むダイヤモンド焼結体であって、上記ダイヤモンド粒子の含有率は、上記ダイヤモンド焼結体に対して、８０体積％以上９９体積％以下であり、上記ダイヤモンド粒子の平均粒径は、０．１μｍ以上５０μｍ以下であり、上記ダイヤモンド粒子の転位密度は、１．２×１０１６ｍ－２以上５．４×１０１９ｍ－２以下である、ダイヤモンド焼結体。
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Inventors:
Daisetsu Iwasaki
Akihiko Ueda
Rinko Matsukawa
Hisashino Akatsuki
Akihiko Ueda
Rinko Matsukawa
Hisashino Akatsuki
Application Number:
JP2021557848A
Publication Date:
March 28, 2022
Filing Date:
October 22, 2020
Export Citation:
Assignee:
Sumitomo Electric Hardmetal Corp.
Sumitomo Electric Industries, Ltd.
Sumitomo Electric Industries, Ltd.
International Classes:
C04B35/52; B01J3/06; B23B27/14; B23B27/20; C01B32/28; C22C26/00
Domestic Patent References:
| JP2007126326A | 2007-05-24 | |||
| JP2005239472A | 2005-09-08 | |||
| JP2009518259A | 2009-05-07 | |||
| JPH0197503A | 1989-04-17 | |||
| JP2020128328A | 2020-08-27 |
Foreign References:
| WO2016013588A1 | 2016-01-28 |
Other References:
鹿田真一ら: "パワーデバイス用低抵抗ダイヤモンドの欠陥評価", 九州シンクロトロン光研究センター年報, vol. 2016, JPN6020049183, 2018, pages 14 - 16, ISSN: 0004641460
SAMSONENKO S. N. , SAMSONENKO N. D.: "Dislocation Electrical Conductivity of Synthetic Diamond Films", SEMICONDUCTORS, vol. 43, no. 5, JPN6020049182, 2009, pages 594 - 598, XP019692055, ISSN: 0004641461
STEHL, C. ET AL.: "Efficiency of dislocation density reduction during heteroepitaxial growth of diamond for detector ap", APPLIED PHYSICS LETTERS, vol. 103, JPN6021028251, 2013, pages 1 - 151905, ISSN: 0004641462
PANTEA, C. ET AL.: "Dislocation density and graphitization of diamond crystals", PHYSICAL REVIEW B, vol. 66, JPN6021028252, 2002, pages 1 - 094106, ISSN: 0004641463
SAMSONENKO S. N. , SAMSONENKO N. D.: "Dislocation Electrical Conductivity of Synthetic Diamond Films", SEMICONDUCTORS, vol. 43, no. 5, JPN6020049182, 2009, pages 594 - 598, XP019692055, ISSN: 0004641461
STEHL, C. ET AL.: "Efficiency of dislocation density reduction during heteroepitaxial growth of diamond for detector ap", APPLIED PHYSICS LETTERS, vol. 103, JPN6021028251, 2013, pages 1 - 151905, ISSN: 0004641462
PANTEA, C. ET AL.: "Dislocation density and graphitization of diamond crystals", PHYSICAL REVIEW B, vol. 66, JPN6021028252, 2002, pages 1 - 094106, ISSN: 0004641463
Attorney, Agent or Firm:
Fukami patent office