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公开(公告)号：US20220098708A1
公开(公告)日：2022-03-31
申请号：US17414442
申请日：2019-11-18
发明人： Tomohiro KANAZAWA , Yoshihiro IGUCHI , Naoki KOHYAMA , Atsushi SHIMADA , Kenshi TSUJI , Yui NAKAI
摘要： A tungsten wire contains tungsten or a tungsten alloy. An average width of surface crystal grains in a direction perpendicular to an axis of the tungsten wire is at most 76 nm. The tungsten wire has a tensile of at least 4800 MPa, and a diameter of at most 100 μm.
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公开(公告)号：US20240286314A1
公开(公告)日：2024-08-29
申请号：US18572811
申请日：2022-06-30
发明人： Tomohiro KANAZAWA , Kenshi TSUJI , Yui NAKAI , Tetsuya NAKAAZE
CPC分类号： B28D5/045 , G01N3/32 , B28D5/0082 , G01N2203/0067 , G01N2203/0073
摘要： A metal wire includes tungsten or a tungsten alloy. When a fatigue test is conducted on the metal wire at a maximum stress of 4400 MPa in accordance with Japanese Industrial Standard (JIS) C6821, a total number of cycles required to break the metal wire is at least 20,000 cycles.
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3.发明公开公开(公告)号：US20240261880A1
公开(公告)日：2024-08-08
申请号：US18564079
申请日：2022-05-31
发明人： Tomohiro KANAZAWA , Kenshi TSUJI , Naoki KOHYAMA
CPC分类号： B23D65/00 , B23D61/185 , B23D81/00
摘要： An electrodeposited wire for a saw wire includes a core wire containing tungsten or a tungsten alloy. The electrodeposited wire for a saw wire has a tensile strength of at least 4800 MPa. The electrodeposited wire for a saw wire has a straightness of at least 400 mm per 500 mm in length.
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公开(公告)号：US20240131836A1
公开(公告)日：2024-04-25
申请号：US18279061
申请日：2021-12-21
发明人： Tomohiro KANAZAWA , Kazuhiro DAIJO , Kenshi TSUJI , Naoki KOHYAMA , Yui NAKAI
IPC分类号： B41F15/34 , B41N1/04 , B41N1/24 , C22C27/04 , C22F1/18 , D03D1/00 , D03D9/00 , D03D15/33 , D03D15/67
CPC分类号： B41F15/34 , B41N1/04 , B41N1/247 , C22C27/04 , C22F1/18 , D03D1/00 , D03D9/00 , D03D15/33 , D03D15/67 , D10B2505/00
摘要： A metal wire includes tungsten or a tungsten alloy. The metal wire has a diameter of at most 13 μm, a tensile strength of at least 4.8 GPa, and a natural hanging length per 1000 mm of at least 800 mm.
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公开(公告)号：US20230002867A1
公开(公告)日：2023-01-05
申请号：US17781617
申请日：2020-12-04
发明人： Akitoshi KASAHARA , Naoki KOHYAMA , Tomohiro KANAZAWA , Kenshi TSUJI , Yoshiyuki KITA , Atsushi SHIMADA , Yuuki SASAGAWA
IPC分类号： C22C27/04
摘要： A metal wire, which is one of a tungsten wire and a tungsten alloy wire, includes alkali metal on the surface thereof. The amount of alkali metal is at most 2.0 μg per 1 g of the metal wire.
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公开(公告)号：US20240227384A9
公开(公告)日：2024-07-11
申请号：US18279061
申请日：2021-12-21
发明人： Tomohiro KANAZAWA , Kazuhiro DAIJO , Kenshi TSUJI , Naoki KOHYAMA , Yui NAKAI
IPC分类号： B41F15/34 , B41N1/04 , B41N1/24 , C22C27/04 , C22F1/18 , D03D1/00 , D03D9/00 , D03D15/33 , D03D15/67
CPC分类号： B41F15/34 , B41N1/04 , B41N1/247 , C22C27/04 , C22F1/18 , D03D1/00 , D03D9/00 , D03D15/33 , D03D15/67 , D10B2505/00
摘要： A metal wire includes tungsten or a tungsten alloy. The metal wire has a diameter of at most 13 μm, a tensile strength of at least 4.8 GPa, and a natural hanging length per 1000 mm of at least 800 mm.
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公开(公告)号：US20230366068A1
公开(公告)日：2023-11-16
申请号：US18033540
申请日：2021-10-04
发明人： Tomohiro KANAZAWA , Yoshihiro KODAMA , Naoki KOHYAMA , Tatsuya TANIWAKI , Kenshi TSUJI , Tomohiro SAWA , Tetsuya NAKAAZE
摘要： A metal wire has a total elongation of at least 5% and at most 16%; a tensile strength of at least 1600 MPa and at most 2400 MPa; and a diameter of less than 40 μm.
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公开(公告)号：US20230227951A1
公开(公告)日：2023-07-20
申请号：US17925071
申请日：2021-05-26
发明人： Tomohiro KANAZAWA , Naoki KOHYAMA , Kenshi TSUJI , Yoshihiro IGUCHI , Yui NAKAI , Tetsuya NAKAAZE
摘要： A tungsten wire that contains tungsten or a tungsten alloy is provided. An average width of surface crystal grains in a direction perpendicular to an axis of the tungsten wire is at most 98 nm. The tungsten wire has a tensile strength of at least 3900 MPa. The tungsten wire has a diameter of at least 100 μm and at most 225 μm.
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