发明授权
US07834326B2 Aberration corrector and charged particle beam apparatus using the same 有权
畸变校正器和使用其的带电粒子束装置

Aberration corrector and charged particle beam apparatus using the same
摘要:
The present invention provides an aberration corrector giving excellent assembly accuracy but having fewer parts and fewer adjustment locations in number. In order to achieve it, a multistage multipole is formed by arranging plural combinations of electrodes around an optical axis using alignment blocks, each combination of electrodes being made by brazing-integrating plural electrodes with a ceramic material interposed therebetween.
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