Title:
TUNGSTEN WIRE
Document Type and Number:
WIPO Patent Application WO/2023/228833
Kind Code:
A1
Abstract:
A tungsten wire (1) comprises tungsten as a main component. When the tensile strength of the tungsten wire (1) is T (unit: MPa), and a wire diameter is D (unit: mm), 4758×D2-7258, 3×D+5275.5≤T≤4758×D2-7258.3×D＋6100 is satisfied. A circularity ratio of the tungsten wire (1) is at most 2.0%.
Inventors:
DAIJO KAZUHIRO
KOHYAMA NAOKI
KODAMA YOSHIHIRO
KOHYAMA NAOKI
KODAMA YOSHIHIRO
Application Number:
PCT/JP2023/018418
Publication Date:
November 30, 2023
Filing Date:
May 17, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
C22C27/04; C22F1/18; C22F1/00
Domestic Patent References:
| WO2021256204A1 | 2021-12-23 |
Foreign References:
| JP2005111653A | 2005-04-28 | |||
| CN113186438A | 2021-07-30 | |||
| JPH0719840A | 1995-01-20 | |||
| JPH02145214A | 1990-06-04 | |||
| JPH02109640A | 1990-04-23 | |||
| JPS607088A | 1985-01-14 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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