TWI853381B
A tungsten wire (1) is provided with: a metal wire (10) that contains tungsten as a primary component; and an oxidation film (20) that covers the surface of the metal wire (10). The average thickness of the oxidation film (20) is 4 nm to 13 nm. The tensile strength of the tungsten wire (1) is 3500 M...
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| Zusammenfassung: | A tungsten wire (1) is provided with: a metal wire (10) that contains tungsten as a primary component; and an oxidation film (20) that covers the surface of the metal wire (10). The average thickness of the oxidation film (20) is 4 nm to 13 nm. The tensile strength of the tungsten wire (1) is 3500 MPa or greater. |
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