- 专利标题: TUNGSTEN WIRE AND SAW WIRE
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申请号: US17414442申请日: 2019-11-18
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公开(公告)号: US20220098708A1公开(公告)日: 2022-03-31
- 发明人: Tomohiro KANAZAWA , Yoshihiro IGUCHI , Naoki KOHYAMA , Atsushi SHIMADA , Kenshi TSUJI , Yui NAKAI
- 申请人: Panasonic Intellectual Property Management Co., Ltd.
- 申请人地址: JP Osaka
- 专利权人: Panasonic Intellectual Property Management Co., Ltd.
- 当前专利权人: Panasonic Intellectual Property Management Co., Ltd.
- 当前专利权人地址: JP Osaka
- 优先权: JP2018-243134 20181226
- 国际申请: PCT/JP2019/045112 WO 20191118
- 主分类号: C22C27/04
- IPC分类号: C22C27/04 ; C22F1/18 ; B21C1/00 ; B21C9/00
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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