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    • 4. 发明授权
    • Particle-optical system
    • 粒子光学系统
    • US08368015B2
    • 2013-02-05
    • US11990067
    • 2006-08-08
    • Elmar PlatzgummerGerhard StenglHelmut Falkner
    • Elmar PlatzgummerGerhard StenglHelmut Falkner
    • G01N23/00G21K7/00
    • H01J37/12B82Y10/00B82Y40/00H01J37/3177
    • The present invention relates to a multi-beamlet multi-column particle-optical system comprising a plurality of columns which are disposed in an array for simultaneously exposing a substrate, each column having an optical axis and comprising: a beamlet generating arrangement comprising at least one multi-aperture plate for generating a pattern of multiple beamlets of charged particles, and an electrostatic lens arrangement comprising at least one electrode element; the at least one electrode element having an aperture defined by an inner peripheral edge facing the optical axis, the aperture having a center and a predetermined shape in a plane orthogonal to the optical axis; wherein in at least one of the plurality of columns, the predetermined shape of the aperture is a non-circular shape with at least one of a protrusion and an indentation from an ideal circle about the center of the aperture.
    • 多子束多列粒子光学系统技术领域本发明涉及一种多子束多列粒子光学系统,该多子束多列粒子光学系统包括多个列,其被布置成阵列以同时暴露衬底,每个列具有光轴,并且包括:子束产生装置,其包括至少一个 用于产生多个带电粒子束的图案的多孔板,以及包括至少一个电极元件的静电透镜装置; 所述至少一个电极元件具有由面向光轴的内周边缘限定的孔,所述孔在与所述光轴正交的平面中具有中心和预定形状; 其中在所述多个列中的至少一个列中,所述孔的预定形状是非圆形形状,其具有围绕所述孔的中心的来自理想圆的突起和凹陷中的至少一个。
    • 6. 发明授权
    • Charged particle system
    • 带电粒子系统
    • US08049189B2
    • 2011-11-01
    • US12090636
    • 2006-10-20
    • Herbert BuschbeckElmar PlatzgummerGerhard StenglHerbert Vonach
    • Herbert BuschbeckElmar PlatzgummerGerhard StenglHerbert Vonach
    • G21K1/00
    • H01J37/3174B82Y10/00B82Y40/00H01J37/147H01J37/21H01J2237/0492H01J2237/24578
    • A charged particle system comprises a particle source for generating a beam of charged particles and a particle-optical projection system. The particle-optical projection system comprises a focusing first magnetic lens (403) comprising an outer pole piece (411) having a radial inner end (411′), and an inner pole piece (412) having a lowermost end (412′) disposed closest to the radial inner end of the outer pole piece, a gap being formed by those; a focusing electrostatic lens (450) having at least a first electrode (451) and a second electrode (450) disposed in a region of the gap; and a controller (C) configured to control a focusing power of the first electrostatic lens based on a signal indicative of a distance of a surface of a substrate from a portion of the first magnetic lens disposed closest to the substrate.
    • 带电粒子系统包括用于产生带电粒子束的粒子源和粒子光学投影系统。 粒子光学投影系统包括聚焦第一磁性透镜(403),其包括具有径向内端(411')的外极片(411)和设置有最下端(412')的内极片(412) 最靠近外极片的径向内端的间隙由它们形成; 具有至少设置在所述间隙的区域中的第一电极(451)和第二电极(450)的聚焦静电透镜(450) 以及控制器(C),被配置为基于表示基板的表面距离最靠近基板设置的第一磁性透镜的部分的距离的信号来控制第一静电透镜的聚焦能力。
    • 7. 发明申请
    • Particle-Optical System
    • 粒子光学系统
    • US20100270474A1
    • 2010-10-28
    • US11990067
    • 2006-08-08
    • Elmar PlatzgummerGerhard StenglHelmut Falkner
    • Elmar PlatzgummerGerhard StenglHelmut Falkner
    • H01J37/12H01J3/18
    • H01J37/12B82Y10/00B82Y40/00H01J37/3177
    • The present invention relates to a multi-beamlet multi-column particle-optical system comprising a plurality of columns which are disposed in an array for simultaneously exposing a substrate, each column having an optical axis and comprising: a beamlet generating arrangement comprising at least one multi-aperture plate for generating a pattern of multiple beamlets of charged particles, and an electrostatic lens arrangement comprising at least one electrode element; the at least one electrode element having an aperture defined by an inner peripheral edge facing the optical axis, the aperture having a center and a predetermined shape in a plane orthogonal to the optical axis; wherein in at least one of the plurality of columns, the predetermined shape of the aperture is a non-circular shape with at least one of a protrusion and an indentation from an ideal circle about the center of the aperture.
    • 多子束多列粒子光学系统技术领域本发明涉及一种多子束多列粒子光学系统,该多子束多列粒子光学系统包括多个列,其被布置成阵列以同时暴露衬底,每个列具有光轴,并且包括:子束产生装置,其包括至少一个 用于产生多个带电粒子束的图案的多孔板,以及包括至少一个电极元件的静电透镜装置; 所述至少一个电极元件具有由面向光轴的内周边缘限定的孔,所述孔在与所述光轴正交的平面中具有中心和预定形状; 其中在所述多个列中的至少一个列中,所述孔的预定形状是非圆形形状,其具有围绕所述孔的中心的来自理想圆的突起和凹陷中的至少一个。