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    • 4. 发明申请
    • MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 微波投影曝光装置
    • US20100045952A1
    • 2010-02-25
    • US12611999
    • 2009-11-04
    • Aurelian DodocKarl Heinz SchusterJoerg MallmannWilhelm UlrichHans-Juergen Rostalski
    • Aurelian DodocKarl Heinz SchusterJoerg MallmannWilhelm UlrichHans-Juergen Rostalski
    • G03B27/42G03B27/54
    • A microlithographic projection exposure apparatus contains an illumination system (12) for generating projection light (13) and a projection lens (20; 220; 320; 420; 520; 620; 720; 820; 920; 1020; 1120) with which a reticle (24) that is capable of being arranged in an object plane (22) of the projection lens can be imaged onto a light-sensitive layer (26) that is capable of being arranged in an image plane (28) of the projection lens. The projection lens is designed for immersion mode, in which a final lens element (L5; L205; L605; L705; L805; L905; L1005; L1105) of the projection lens on the image side is immersed in an immersion liquid (34; 334a; 434a; 534a). A terminating element (44; 244; 444; 544; 644; 744; 844; 944; 1044; 1144) that is transparent in respect of the projection light (13) is fastened between the final lens element on the image side and the light-sensitive layer.
    • 微光刻投影曝光装置包括用于产生投影光(13)和投影透镜(20; 220; 320; 420; 520; 620; 720; 820; 920; 1020; 1120)的照明系统(12) 能够布置在投影透镜的物平面(22)中的光源(24)可以被成像到能够被布置在投影透镜的像平面(28)中的感光层(26)上。 投影透镜被设计用于浸没模式,其中在像侧的投影透镜的最终透镜元件(L5; L205; L605; L705; L805; L905; L1005; L1105)浸没在浸没液体(34; 334a ; 434a; 534a)。 关于投影光(13)透明的终端元件(44; 244; 444; 544; 644; 744; 844; 944; 1044; 1144)被紧固在图像侧的最终透镜元件与光 敏感层。
    • 5. 发明申请
    • MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 微波投影曝光装置
    • US20080316452A1
    • 2008-12-25
    • US12199998
    • 2008-08-28
    • Aurelian DodocKarl-Heinz SchusterJoerg MallmannWilhelm UlrichHans-Juergen Rostalski
    • Aurelian DodocKarl-Heinz SchusterJoerg MallmannWilhelm UlrichHans-Juergen Rostalski
    • G03G15/08
    • A microlithographic projection exposure apparatus contains an illumination system (12) for generating projection light (13) and a projection lens (20; 220; 320; 420; 520; 620; 720; 820; 920; 1020; 1120) with which a reticle (24) that is capable of being arranged in an object plane (22) of the projection lens can be imaged onto a light-sensitive layer (26) that is capable of being arranged in an image plane (28) of the projection lens. The projection lens is designed for immersion mode, in which a final lens element (L5; L205; L605; L705; L805; L905; L1005; L1105) of the projection lens on the image side is immersed in an immersion liquid (34; 334a; 434a; 534a). A terminating element (44; 244; 444; 544; 644; 744; 844; 944; 1044; 1144) that is transparent in respect of the projection light (13) is fastened between the final lens element on the image side and the light-sensitive layer.
    • 微光刻投影曝光装置包括用于产生投影光(13)和投影透镜(20; 220; 320; 420; 520; 620; 720; 820; 920; 1020; 1120)的照明系统(12) 能够布置在投影透镜的物平面(22)中的光源(24)可以被成像到能够被布置在投影透镜的像平面(28)中的感光层(26)上。 投影透镜被设计用于浸没模式,其中在像侧的投影透镜的最终透镜元件(L5; L205; L605; L705; L805; L905; L1005; L1105)浸没在浸没液体(34; 334a ; 434a; 534a)。 关于投影光(13)透明的终端元件(44; 244; 444; 544; 644; 744; 844; 944; 1044; 1144)被紧固在图像侧的最终透镜元件与光 敏感层。
    • 10. 发明授权
    • Projection objective for immersion lithography
    • 浸没光刻的投影目标
    • US07969663B2
    • 2011-06-28
    • US12819861
    • 2010-06-21
    • Aurelian DodocWilhelm UlrichHans-Juergen Rostalski
    • Aurelian DodocWilhelm UlrichHans-Juergen Rostalski
    • G02B9/60
    • G03F7/70241G02B13/143G03F7/70341
    • A projection objective suitable for immersion microlithography is designed as a single-waist system with five lens groups, and has a first lens group of negative refractive power, a second lens group of positive refractive power, a third lens group of negative refractive power, a fourth lens group of positive refractive power and a fifth lens group of positive refractive power. The fourth lens group has an entrance surface (E) that lies in the vicinity of a point of inflection of a marginal ray height between the third lens group (LG3) and the fourth lens group (LG4). No negative lens of substantial refractive power is arranged between the entrance surface and the system diaphragm (5). Embodiments of inventive projection objectives achieve a very high numerical aperture NA>1 in conjunction with a large image field and are distinguished by a compact design size. For working wavelengths below 200 nm, structural widths of substantially under 100 nm can be resolved when use is made of immersion fluids between the projection objective and substrate.
    • 适用于浸没微光刻的投影物镜被设计为具有五个透镜组的单腰系统,并且具有负折光力的第一透镜组,正屈光力的第二透镜组,负折射光焦度的第三透镜组, 正屈光力的第四透镜组和正屈光力的第五透镜组。 第四透镜组具有位于第三透镜组(LG3)和第四透镜组(LG4)之间的边缘光线高度的拐点附近的入射面(E)。 在入射面和系统隔膜(5)之间没有设置具有大量屈光力的负透镜。 本发明的投影物镜的实施例结合大图像场实现非常高的数值孔径NA> 1,并且通过紧凑的设计尺寸来区分。 对于低于200nm的工作波长,当在投影物镜和基底之间使用浸没流体时,可以解决基本上在100nm以下的结构宽度。