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    • 23. 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。
    • 24. 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。
    • 29. 发明申请
    • Charged-particle multi-beam exposure apparatus
    • 带电粒子多光束曝光装置
    • US20050104013A1
    • 2005-05-19
    • US10969493
    • 2004-10-20
    • Gerhard StenglElmar PlatzgummerHans Loschner
    • Gerhard StenglElmar PlatzgummerHans Loschner
    • G03F7/20H01J37/317H01L21/027H01J37/08
    • H01J37/3174B82Y10/00B82Y40/00H01J37/3177
    • A charged-particle multi-beam exposure apparatus (1) for exposure of a target (41) uses a plurality of beams of electrically charged particles, which propagate along parallel beam paths towards the target (41). For each particle beam an illumination system (10), a pattern definition means (20) and a projection optics system (30) are provided. The illuminating system (10) and/or the projection optics system (30) comprise particle-optical lenses having lens elements (L1, L2, L3, L4, L5) common to more than one particle beam. The pattern definition means (20) defines a multitude of beamlets in the respective particle beam, forming its shape into a desired pattern which is projected onto the target (41), by allowing it to pass only through a plurality of apertures defining the shape of beamlets permeating said apertures, and further comprises a blanking means to switch off the passage of selected beamlets from the respective paths of the beamlets.
    • 用于曝光目标(41)的带电粒子多光束曝光装置(1)使用沿平行光束路径朝向目标(41)传播的多个带电粒子束。 对于每个粒子束,提供照明系统(10),图案定义装置(20)和投影光学系统(30)。 照明系统(10)和/或投影光学系统(30)包括具有多于一个粒子束共有的透镜元件(L 1,L 2,L 3,L 4,L 5)的粒子 - 光学透镜。 图案定义装置(20)在相应的粒子束中限定多个子束,通过使其仅通过限定形状的多个孔而将其形状形成为投射到目标(41)上的期望图案 子束穿透所述孔,并且还包括消隐装置,以切断所选子束从子束的相应路径的通过。