[Rechargeable battery compatible series]
・ In order to reduce product defects in the rechargeable battery manufacturing process, materials containing copper (Cu) and zinc (Zn) as the main components are not used.
* Some aluminum alloys and aluminum die-cast aluminum materials contain small amounts of copper (Cu) and zinc (Zn) as additive elements.
・ Nickel electroplating and zinc plating with copper base are not used.
* Electroless nickel plating is used.
・ Low dew point compatible grease is used, it can be used at -70°C. Performance improvement in low dew point environment.