发明公开
EP0314216A1 Charged-particle beam apparatus 失效
Korpuskularstrahlgerät。

Charged-particle beam apparatus
摘要:
A charged-particle beam apparatus comprises a beam splitting/alignment system whereby individual beams or groups of individual beams can be independently aligned so that they can be brought out of focus in a focal plane of the individual beams, so that a beam limiting diaphragm arranged at that area is irradiated more uniformly with a smaller beam loss.
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