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    • 2. 发明申请
    • ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC EXPOSURE APPARATUS
    • 微观曝光装置的照明系统
    • WO2006021419A3
    • 2006-10-05
    • PCT/EP2005009093
    • 2005-08-23
    • ZEISS CARL SMT AGSINGER WOLFGANGWANGLER JOHANNESEGGER RAFAELULRICH WILHELM
    • SINGER WOLFGANGWANGLER JOHANNESEGGER RAFAELULRICH WILHELM
    • G03F7/20
    • G03F7/70108G03F7/70183
    • An illumination system of a microlithographic exposure apparatus (PEA) has an optical axis (OA) and a beam transforming device (20; 120; 220; 320; 420; 520; 1020; 1120; 1220; 1320; 1420; 1520). This device comprises a first mirror (122; 222; 322; 422; 522; 1122; 1222; 1322; 1422; 1522) with a first reflective surface (124; 224; 424; 524; 1124; 1224) having a shape that is defined by rotating a straight line, which is inclined with respect to the optical axis (OA), around the optical axis (OA). The device further comprises a second mirror (126, 126a, 126b; 226a, 226b; 326a, 326b; 426a; 426b; 526; 1126; 1226; 1326a, 1326b; 1426a, 1426b; 1526a, 1526b) with a second reflective surface (130, 130a, 130b; 1130) having a shape that is defined by rotating a curved line around the optical axis (OA). At least one of the mirrors has a central aperture (128) containing the optical axis (OA). This device may form a zoom-collimator (1020; 1120; 1220; 1320; 1420; 1520) for an EUV illumination system that transforms a diverging light bundle into a collimated light bundle of variable shape and/or diameter.
    • 微光刻曝光设备(PEA)的照明系统具有光轴(OA)和光束转换装置(20; 120; 220; 320; 420; 520; 1020; 1120; 1220; 1320; 1420; 1520)。 该装置包括具有第一反射表面(124; 224; 424; 524; 1124; 1224)的第一反射镜(122; 222; 322; 422; 522; 1122; 1222; 1322; 1422; 1522) 通过围绕光轴(OA)旋转相对于光轴(OA)倾斜的直线来限定。 该装置还包括第二反射镜(126,126a,126b; 226a,226b; 326a,326b; 426a; 426b; 526; 1126; 1226; 1326a,1326b; 1426a,1426b; 1526a,1526b) 具有通过使围绕光轴(OA)的曲线旋转而限定的形状的图形130,130a,130b; 1130。 至少一个反射镜具有包含光轴(OA)的中心孔径(128)。 该装置可以形成用于将发散的光束变换成可变形状和/或直径的准直光束的EUV照明系统的缩放准直器(1020; 1120; 1220; 1320; 1420; 1520)。
    • 9. 发明申请
    • ILLUMINATION SYSTEM HAVING A MORE EFFICIENT COLLECTOR OPTIC
    • 照明系统具有更高效的集光器光学
    • WO2004057424A3
    • 2004-10-28
    • PCT/EP0308968
    • 2003-08-13
    • ZEISS CARL SMT AGSINGER WOLFGANG
    • SINGER WOLFGANG
    • G02B27/00G03F7/20
    • B82Y10/00G02B2207/123G03F7/70166
    • An illumination system having a light source is disclosed, the light source having a source size and emitting radiant power in a spatial angle element ohm(alpha), alpha indicating the aperture angle, a collector, which collects radiant power from the source up to a first maximum aperture angle alphamax(1), a first geometric flux G1 being defined by the source size Q and the first maximum aperture angle alphamax(1), a plane to be illuminated having an area A and a numerical aperture NA to be illuminated, the numerical aperture NA to be illuminated defining a second aperture angle alpha(2), and a second geometric flux G2 being defined by the area A and the second aperture angle alpha(2), distinguished in that the collector has a first maximum aperture angle alphamax(1), which is selected in such a way that the first geometric flux G1 is equal to or larger than, particular preferably more than 15 % larger than the second geometric flux G2.
    • 公开了一种具有光源的照明系统,所述光源具有在空间角度元件欧姆(α),α表示所述孔径角度的发射辐射功率的光源尺寸并且发射辐射功率,集光器收集来自辐射源的辐射功率直到 第一最大孔径角αmax(1),由源尺寸Q和第一最大孔径角αmax(1)限定的第一几何光通量G1,具有面积A和待照射的数值孔径NA的待照明平面, 限定第二孔径角度α(2)的要被照明的数值孔径NA以及由区域A和第二孔径角度α(2)限定的第二几何通量G2,区别在于收集器具有第一最大孔径角度 αmax(1),其被选择为使得第一几何通量G1等于或大于第二几何通量G2,特别优选大于15%。
    • 10. 发明申请
    • LIGHTING SYSTEM, PARTICULARLY FOR USE IN EXTREME ULTRAVIOLET (EUV) LITHOGRAPHY
    • 照明系统,尤其是对于EUV光刻
    • WO03093902A2
    • 2003-11-13
    • PCT/EP0303616
    • 2003-04-08
    • ZEISS CARL SMT AGMELZER FRANKSINGER WOLFGANG
    • MELZER FRANKSINGER WOLFGANG
    • G02B17/00G02B26/08G03F7/20H01L21/027
    • G03F7/70075G02B26/0816G03F7/70141G03F7/702
    • A lighting system, particularly for use in extreme ultraviolet (EUV) lithography, comprising a projection lens for producing semiconductor elements for wavelengths = 193 nm is provided with a light source (1), an object plane (12), an exit pupil (15), a first optical element (5) having first screen elements (6) for producing light channels, and with a second optical element (7) having second screen elements (8). A screen element (8) of the second optical element (7) is assigned to each light channel that is formed by one of the first screen elements (6) of the first optical element (5). The screen elements (6) of the first optical element (5) and of the second optical element (7) can be configured or arranged so that they produce, for each light channel, a continuous beam course from the light source (1) up to the object plane (12). The angles of the first screen elements (6) of the first optical element (5) can be adjusted in order to modify a tilt. The location and/or angles of the second screen elements (8) of the second optical element (7) can be adjusted individually and independently of one another in order to realize another assignment of the first screen elements (6) of the first optical element (5) to the second screen elements (8) of the second optical element (7) by displacing and/or tilting the first and second screen elements (8).
    • 一种照明系统,特别是用于与投影物镜EUV光刻制造用于波长半导体元件<有光源(1)= 193纳米,具有出射光瞳(15)的物平面(12)和具有第一光学 元件(5)与第一光栅元件(6),用于产生光信道,并用与设置第二光栅元件(8)的第二光学元件(7)。 形成为从所述第一光学元件(5)的所述第一光栅元件(6)中的一个的每个光信道,格栅元件(8)的第二光学元件(7)被分配。 所述第一光学元件(5)和所述第二光学元件(7)的栅格元件(6)可以被配置或布置为使得它提供了连续的光束从光源1传递到目标平面(12),用于每一个光通道。 所述第一光学元件(5)的所述第一光栅元件(6)是角度可调节的以改变Kippes。 第二光学元件(7)的所述第二光栅元件(8)可单独地和独立地在位置和/或以一角度由第一光栅元件的移动和/或倾斜的第一和第二栅极元件(8)(一个不同的分配来调整 实现第一光学元件的6)(5)到所述第二光栅元件(8)的第二光学元件(7)。