Tantalum Disc Cathodes Ta 阴极 钽阴极 2019年11月13日 1010 电话:15821107090 Tantalum Disc Cathodes Ta 阴极 钽阴极 General purpose planar disc cathode Area source 0.05 – 1.0 A/cm2 Operating pressure < 10-5 torr Emission up to tens of mAs 3 disc sizes On AEI or compact CB-104/105 bases Tantalum Ta 阴极 电子枪阴极 钽阴极 阴极