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公开(公告)号：US11208324B2
公开(公告)日：2021-12-28
申请号：US17052920
申请日：2020-02-27
发明人： Michiko Matsukawa , Satoru Kukino , Taisuke Higashi , Machiko Abe
IPC分类号： C01B21/064 , B23B27/14
摘要： A polycrystalline cubic boron nitride comprising 98.5% by volume or more of cubic boron nitride, wherein the cubic boron nitride has a dislocation density of more than 8×1015/m2, the polycrystalline cubic boron nitride comprises a plurality of crystal grains, and the plurality of crystal grains have a median diameter d50 of an equivalent circle diameter of 0.1 μm or more and 0.5 μm or less.
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公开(公告)号：USD888786S1
公开(公告)日：2020-06-30
申请号：US29648968
申请日：2018-05-25
设计人： Machiko Abe , Hiroyuki Shimada , Kazuya Yano
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公开(公告)号：USD847231S1
公开(公告)日：2019-04-30
申请号：US29550581
申请日：2016-01-05
设计人： Machiko Abe , Hiroyuki Shimada , Kazuya Yano
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公开(公告)号：USD910093S1
公开(公告)日：2021-02-09
申请号：US29648971
申请日：2018-05-25
设计人： Machiko Abe , Hiroyuki Shimada , Kazuya Yano
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公开(公告)号：USD856387S1
公开(公告)日：2019-08-13
申请号：US29654899
申请日：2018-06-28
设计人： Machiko Abe , Hiroyuki Shimada , Kazuya Yano
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公开(公告)号：US11958782B2
公开(公告)日：2024-04-16
申请号：US18029811
申请日：2022-03-08
发明人： Kento Yamada , Machiko Abe , Hironari Moroguchi , Akihiko Ueda , Satoru Kukino
IPC分类号： C04B35/5831
CPC分类号： C04B35/5831 , C04B2235/3217 , C04B2235/386 , C04B2235/762 , C04B2235/781 , C04B2235/785
摘要： A cubic boron nitride sintered material comprising cubic boron nitride grains, a binder phase, and a void, in which a percentage of the cubic boron nitride grains based on the total of the cubic boron nitride grains and the binder phase is 40 vol % to 70 vol %, a percentage of the binder phase based on the total of the cubic boron nitride grains and the binder phase is 30 vol % to 60 vol %, the binder phase includes 10 vol % to 100 vol % of aluminum oxide grains, an average grain size of the aluminum oxide grains is 50 to 250 nm, the cubic boron nitride sintered material comprises 0.001 vol % to 0.100 vol % of one or more first voids, and at least one portion of each of the first voids is in contact with the aluminum oxide grains.
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公开(公告)号：USD966359S1
公开(公告)日：2022-10-11
申请号：US29706958
申请日：2019-09-25
设计人： Akihiko Ueda , Yoshinori Tanigawa , Machiko Abe
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公开(公告)号：US11434550B2
公开(公告)日：2022-09-06
申请号：US16967572
申请日：2019-12-27
发明人： Machiko Abe , Satoru Kukino , Michiko Matsukawa
IPC分类号： C22C29/16
摘要： A cubic boron nitride sintered material includes 40% by volume or more and 96% by volume or less of cubic boron nitride grains and 4% by volume or more and 60% by volume or less of a binder phase, and the cubic boron nitride grains have a dislocation density of less than 1×105/m2.
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公开(公告)号：US11186485B2
公开(公告)日：2021-11-30
申请号：US17052831
申请日：2020-02-27
发明人： Michiko Matsukawa , Satoru Kukino , Taisuke Higashi , Machiko Abe
IPC分类号： H01M4/02 , C01B21/064 , B23B27/20
摘要： A polycrystalline cubic boron nitride comprising 96% by volume or more of cubic boron nitride, wherein the cubic boron nitride has a dislocation density of 8×1015/m2 or less, the polycrystalline cubic boron nitride comprises a plurality of crystal grains, and the plurality of crystal grains have a median diameter d50 of an equivalent circle diameter of less than 100 nm.
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公开(公告)号：US11214522B2
公开(公告)日：2022-01-04
申请号：US17052855
申请日：2020-02-27
发明人： Michiko Matsukawa , Satoru Kukino , Taisuke Higashi , Machiko Abe
IPC分类号： C04B35/5831 , B23B27/18
摘要： A polycrystalline cubic boron nitride comprising 96% by volume or more of cubic boron nitride, wherein the cubic boron nitride has a dislocation density of more than 8×1015/m2, the polycrystalline cubic boron nitride comprises a plurality of crystal grains, and the plurality of crystal grains have a median diameter d50 of an equivalent circle diameter of less than 100 nm.
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