SPRING WIRE ROD, CONTACT PROBE, AND PROBE UNIT
1 Assignment
0 Petitions
Accused Products
Abstract
A spring wire rod includes a wire core that is made of a conductive material having an electrical resistivity of equal to or lower than 5.00×10−8 Ω•m, and a coating member 3 that is made of a spring material having a longitudinal elastic modulus of equal to or higher than 1.00×104 kgf/mm2 and coats an outer circumference of the core. A coating thickness d of the coating member is smaller than a minimum value r of a distance between the center of gravity of a transverse cross section of the core and the outer edge of the transverse cross section.
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Citations
13 Claims
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1-6. -6. (canceled)
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7. A spring wire rod comprising:
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a wire core that is made of a conductive material having an electrical resistivity of equal to or lower than 5.00×
10−
8 Ω
•
m; anda coating member that is made of a spring material having a longitudinal elastic modulus of equal to or higher than 1.00×
104 kgf/mm2 and coats an outer circumference of the core. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification