发明授权
US4714804A Rotary switch having rotary contacts with an amorphous alloy coating 失效
旋转开关具有非晶合金涂层的旋转接触

Rotary switch having rotary contacts with an amorphous alloy coating
摘要:
Rotary electrical signal generator includes fixed electric contacts and slider contacts which engage the fixed contacts. To enhance the abrasion resistance and the corrosion resistance, the surface of printed electrodes is coated with an amorphous Ni-P plated layer containing from 15 to 25 atom % of P.
公开/授权文献
信息查询
0/0