发明名称 ELECTRON BEAM DRAWING DEVICE AND METHOD FOR ADJUSTING CONVERGENCE EN QUAD OF ELECTRON BEAM
摘要 An electron beam lithography apparatus of an embodiment of the present invention comprises: an electric gun device for emitting an electron beam; a height adjusting unit which is arranged behind the electric gun device on an optical axis direction, and can adjust a height position of the electric gun device; an electric lens which is arranged behind the height adjusting unit on the optical axis direction, and converges the electron beam; a lens control unit for controlling the electric lens to make the electron beam form a cross over in a certain position at every height position by adjusting the variable height position of the electric gun device ; and an object lens which is arranged behind the electric lens on the optical axis direction, and forms an image on a sample using the electron beam passing through the electric lens.
申请公布号 KR20150119808(A) 申请公布日期 2015.10.26
申请号 KR20150052893 申请日期 2015.04.15
申请人 NUFLARE TECHNOLOGY INC. 发明人 NOMURA HARUYUKI
分类号 H01L21/027;G03F7/20;H01J37/06 主分类号 H01L21/027
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