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公开(公告)号：US20170145280A1
公开(公告)日：2017-05-25
申请号：US15327269
申请日：2015-09-01
申请人： A.L.M.T. Corp.
IPC分类号： C09K5/14 , H01L23/373 , C22C26/00 , B22F1/00 , C22C5/08
CPC分类号： C09K5/14 , B22F1/0003 , B22F7/08 , B22F2007/066 , B22F2301/255 , B22F2302/05 , B22F2302/20 , B22F2302/406 , B22F2302/45 , B22F2304/10 , B22F2998/10 , B22F2999/00 , C22C1/0466 , C22C5/06 , C22C5/08 , C22C26/00 , C22C2001/1073 , C22C2026/005 , C22C2026/006 , C22C2026/007 , C22C2026/008 , H01L21/4871 , H01L23/3732 , H01L23/3735 , C22C1/05 , C22C1/058 , C22C2001/1057 , C22C2001/1089
摘要： Provided are a diamond composite material which is excellent in thermal conductivity, suitable as a material for a heat radiating member, and dense, the heat radiating member, and a method for producing a diamond composite material that can productively produce a diamond composite material which is excellent in wettability between diamond and metal and dense. The diamond composite material includes: a coated diamond particle including a diamond particle and a carbide layer covering a surface of the diamond particle and including an element of group 4 of the periodic table; and silver or a silver alloy binding such coated diamond particles together, with an oxygen content of 0.1 mass % or less.
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公开(公告)号：US20240286211A1
公开(公告)日：2024-08-29
申请号：US18569858
申请日：2022-06-15
申请人： A.L.M.T. Corp.
发明人： Yuma MIYAZAKI
IPC分类号： B23D77/02
CPC分类号： B23D77/02 , B23D2277/04
摘要： A rotary cutting tool includes a first cutting blade, a second cutting blade, a third cutting blade, a fourth cutting blade, and a fifth cutting blade on a circumference, in which a rotation angle from the first cutting blade to the second cutting blade is 60±1°, a rotation angle from the second cutting blade to the third cutting blade is 75±1°, a rotation angle from the third cutting blade to the fourth cutting blade is 60±1°, a rotation angle from the fourth cutting blade to the fifth cutting blade is 75±1°, and a rotation angle from the fifth cutting blade to the first cutting blade is 90±1°.
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公开(公告)号：US11673231B2
公开(公告)日：2023-06-13
申请号：US16652532
申请日：2018-09-18
申请人： A.L.M.T. Corp.
发明人： Shuichi Amino , Tomohiro Ishizu
CPC分类号： B24D3/14
摘要： There is provided a vitrified bond super-abrasive grinding wheel including: a core; and a super-abrasive grain layer provided on the core, wherein the super-abrasive grain layer includes a plurality of super-abrasive grains and a vitrified bond that joins the plurality of super-abrasive grains, and the vitrified bond has a plurality of bond bridges located between the plurality of super-abrasive grains to join the plurality of super-abrasive grains, not less than 80% of the plurality of super-abrasive grains are joined to the super-abrasive grains adjacent thereto by the bond bridges, and not less than 90% of the plurality of bond bridges in a cross section of the super-abrasive grain layer have a thickness equal to or smaller than an average grain size of the super-abrasive grains, and have a length greater than the thickness.
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公开(公告)号：US20230126268A1
公开(公告)日：2023-04-27
申请号：US17912508
申请日：2021-03-05
发明人： Ryota MATSUGI , Isao IWAYAMA , Takahiro NISHIMIZU , Chieko SOTA
摘要： A composite material including a metallic phase and plurality of particles dispersed in the metallic phase. The plurality of particles is a carbon-based material; the metallic phase contains a main element, a first element, and a second element; the coating layer of each of the plurality of particles is carbide of the second element. The main element is copper; the first element is a metallic element having a lower surface tension than copper; the second element is at least one selected from the group consisting of beryllium, silicon, titanium, chromium, zirconium, niobium, hafnium, and tantalum.
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公开(公告)号：US11380602B2
公开(公告)日：2022-07-05
申请号：US16977841
申请日：2019-02-26
发明人： Kengo Goto , Akihisa Hosoe , Tadashi Arikawa , Hiroya Sato , Masatoshi Nagashima , Shohei Murakami
IPC分类号： H01L23/373 , C25D3/48 , C25D5/50 , B32B15/01 , B32B15/04 , C25D5/48 , H01L21/60 , C22C5/02 , C23C28/00 , B32B15/20 , C22C5/00 , C23C28/02 , C23C30/00 , C22C32/00 , C23C18/16 , C25D3/12 , C25D3/62 , C25D5/02 , C25D5/12 , C25D5/00
摘要： Provided is a plating film containing Au and Tl, including Tl oxides including Tl2O on a surface of the plating film, a ratio of Tl atoms constituting Tl2O to a total of Tl atoms constituting the Tl oxides and Tl atoms constituting Tl simple substances on the surface being 40% or more.
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公开(公告)号：US20210398877A1
公开(公告)日：2021-12-23
申请号：US17289259
申请日：2019-08-30
发明人： Ryota MATSUGI , Isao IWAYAMA , Chieko TANAKA , Hideaki MORIGAMI
IPC分类号： H01L23/373 , B23K1/00 , B23K35/32
摘要： A heat radiation member excellent in electrical insulation and better in thermal conduction is provided. The heat radiation member includes a substrate composed of a composite material containing diamond and a metallic phase, an insulating plate provided on at least a part of front and rear surfaces of the substrate and composed of an aluminum nitride, and a single bonding layer interposed between the substrate and the insulating plate, the heat radiation member having thermal conductivity not lower than 400 W/m·K.
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公开(公告)号：US11147156B2
公开(公告)日：2021-10-12
申请号：US16349340
申请日：2017-11-08
发明人： Isao Iwayama , Shigeki Koyama , Masashi Okamoto , Yuta Inoue , Hiroyuki Kontani , Takehisa Yamamoto
摘要： A composite member includes a substrate composed of a composite material containing a metal and a non-metal. One surface of the substrate has spherical warpage of which radius of curvature R is not smaller than 5000 mm and not greater than 35000 mm. A sphericity error is not greater than 10.0 μm, the sphericity error being defined as an average distance between a plurality of measurement points on a contour of a warped portion of the substrate and approximate arcs defined by the plurality of measurement points. The substrate has a thermal conductivity not lower than 150 W/m·K and a coefficient of linear expansion not greater than 10 ppm/K.
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公开(公告)号：US10465266B2
公开(公告)日：2019-11-05
申请号：US15314671
申请日：2015-05-22
申请人： A.L.M.T. Corp.
摘要： The present heat-resistant tungsten alloy has a first phase containing W as a major component, a second phase having a carbonitride of at least one element of Ti, Zr and Hf and containing the carbonitride as a major component when W is removed, and a third phase having a carbide of at least one element of group 5A elements in the periodic table and containing the carbide as a major component when W is removed, the heat-resistant tungsten alloy having a Vickers hardness of 550 Hv or more at a room temperature, a displacement of 1 mm or more when leading to fracture, as determined in a three point bending test at 1200° C., and a 0.2% proof stress of 900 MPa or more, as determined in the three point bending test at 1200° C.
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公开(公告)号：US10174410B2
公开(公告)日：2019-01-08
申请号：US14130204
申请日：2013-03-12
申请人： A.L.M.T. Corp.
摘要： A heat-resistant molybdenum alloy of this invention comprises a first phase containing Mo as a main component and a second phase comprising a Mo—Si—B-based intermetallic compound particle phase, wherein the balance is an inevitable impurity and wherein the Si content is 0.05 mass % or more and 0.80 mass % or less and the B content is 0.04 mass % or more and 0.60 mass % or less.
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公开(公告)号：US08801816B2
公开(公告)日：2014-08-12
申请号：US13390841
申请日：2010-08-11
申请人： Takuya Okuno , Kazuhiro Hirose , Hideki Moriguchi , Akihiko Ikegaya , Kazuo Sasaya , Yoshiharu Yamamoto
发明人： Takuya Okuno , Kazuhiro Hirose , Hideki Moriguchi , Akihiko Ikegaya , Kazuo Sasaya , Yoshiharu Yamamoto
摘要： There are provided a cemented carbide high in thermal diffusivity and excellent in wear resistance, and a cutting tool including a base material formed of this cemented carbide. The cemented carbide is a WC based cemented carbide in which a hard phase mainly constituted of WC grains is bound by a binder phase mainly constituted of Co, and is used for a cutting tool. The binder phase is substantially constituted of Co, or Co and Ni. A total content of Co and Ni is not less than 4.5 mass % and not more than 15 mass %. In this cemented carbide, the WC grains have an average diameter of not less than 0.4 μm and not more than 4 μm.
摘要翻译： 提供了热扩散性高且耐磨性优异的硬质合金，以及包括由该硬质合金形成的基材的切削工具。 硬质合金是WC基硬质合金，其中主要由WC颗粒构成的硬质相主要由Co组成的粘合剂相结合，并用于切削工具。 粘结相基本上由Co或Co和Ni构成。 Co和Ni的总含量不小于4.5质量％且不大于15质量％。 在这种硬质合金中，WC颗粒的平均直径不小于0.4μm且不大于4μm。
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