公开(公告)号：US20050104013A1

公开(公告)日：2005-05-19

申请号：US10969493

申请日：2004-10-20

Applicant: Gerhard Stengl ,  Elmar Platzgummer ,  Hans Loschner

Inventor： Gerhard Stengl ,  Elmar Platzgummer ,  Hans Loschner

IPC: G03F7/20 ,  H01J37/317 ,  H01L21/027 ,  H01J37/08

CPC classification number: H01J37/3174 ,  B82Y10/00 ,  B82Y40/00 ,  H01J37/3177

Abstract: 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.

Abstract translation: 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。