没有对恃磁极面的电磁系统
electromagnctic system of no opposite magnetic pole surface
在交错磁极面上的吸力计算公式
suction calculation formular of alternate magnetic pole surfac
表面式磁极结构
surface type magnetization structure
矩形双平面磁控溅射阴极
rectangle double-plane magnetron sputtering cathode
旋转四磁极磁化场
Key words: Rotary quadrapole magnetized field