Invention Grant
- Patent Title: Tungsten alloy, tungsten alloy part, discharge lamp, transmitting tube, and magnetron
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Application No.: US14309025Application Date: 2014-06-19
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Publication No.: US09834830B2Publication Date: 2017-12-05
- Inventor: Shinichi Yamamoto , Kayo Nakano , Hiromichi Horie , Takashi Sano , Yoshiko Minami , Satoshi Yamaguchi
- Applicant: Kabushiki Kaisha Toshiba , Toshiba Materials Co., Ltd.
- Applicant Address: JP Minato-Ku JP Yokohama-Shi
- Assignee: Kabushiki Kaisha Toshiba,Toshiba Materials Co., Ltd.
- Current Assignee: Kabushiki Kaisha Toshiba,Toshiba Materials Co., Ltd.
- Current Assignee Address: JP Minato-Ku JP Yokohama-Shi
- Agency: Burr & Brown, PLLC
- Priority: JP2011-278944 20111220; JP2012-150017 20120703
- Main IPC: C22C27/04
- IPC: C22C27/04 ; B22F3/10 ; C22C1/04 ; C22C43/00 ; H01J23/05 ; C22F1/18
Abstract:
According to one embodiment, a tungsten alloy includes a W component and a Hf component including HfC. A content of the Hf component in terms of HfC is 0.1 wt % or more and 3 wt % or less.
Public/Granted literature
- US20140301891A1 TUNGSTEN ALLOY, TUNGSTEN ALLOY PART, DISCHARGE LAMP, TRANSMITTING TUBE, AND MAGNETRON Public/Granted day:2014-10-09
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