发明名称 |
SPRING WIRE, CONTACT PROBE, AND PROBE UNIT |
摘要 |
<p>Provided herein are a spring wire rod that can ensure conductivity capable of dealing with a high-frequency signal having a frequency of equal to or higher than 1 GHz while ensuring a spring characteristic, a contact probe using the spring wire rod, and a probe unit using the contact probe. The spring wire rod includes a wire core that is made of a conductive material having an electrical resistivity of equal to or slower than 5.00 × 10 -8 ©€¢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 × 10 4 kgf/mm 2 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.</p> |
申请公布号 |
EP2418495(A1) |
申请公布日期 |
2012.02.15 |
申请号 |
EP20100758925 |
申请日期 |
2010.04.05 |
申请人 |
NHK SPRING CO., LTD. |
发明人 |
KAZAMA, TOSHIO;ISHIKAWA, SHIGEKI |
分类号 |
G01R1/067;C25D7/00;C25D7/06;F16F1/02;F16F1/04;G01R1/04;G01R1/073;G01R31/26;H01R13/03;H01R13/24 |
主分类号 |
G01R1/067 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|