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Title:
TUNGSTEN WIRE AND TUNGSTEN PRODUCT
Document Type and Number:
WIPO Patent Application WO/2020/218058
Kind Code:
A1
Abstract:
A tungsten wire (10) is one made from tungsten or a tungsten alloy, wherein the wire diameter D of the tungsten wire (10) is 100 μm or less and the number of twists to torsional rupture per 50 mm of the tungsten wire (10) is 250×exp(-0.026×D) or more when a tension that is 50% of the rupture tension of the tungsten wire (10) is applied as a load.

Inventors:
KANAZAWA TOMOHIRO
KOHYAMA NAOKI
IGUCHI YOSHIHIRO
NAKAI YUI
Application Number:
PCT/JP2020/016278
Publication Date:
October 29, 2020
Filing Date:
April 13, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
C22C27/04; A61L33/02; C22F1/00; C22F1/18
Domestic Patent References:
WO2003031668A12003-04-17
Foreign References:
JPS61213338A1986-09-22
JPS5739152A1982-03-04
JPS5016291B11975-06-12
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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