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    • 93. 发明授权
    • Projection exposure device
    • 投影曝光装置
    • US07289192B2
    • 2007-10-30
    • US10899816
    • 2004-07-27
    • Akira Otsuka
    • Akira Otsuka
    • G03B27/42G03B27/52G03B27/54G02B26/00G02B21/00G02B3/12
    • G03F7/70308G03F7/70258G03F7/70866
    • A magnification correction device 1 includes magnification correction optics 2, a pressure adjustment device 3 and a controller 4. The magnification correction optics 2 is formed in a shape of a box with a glass plate 20 and a bottom plate 11 positioned parallel to the glass plate 20 and a frame 10. The inside of the box is an air room 24 connected to a pressure adjustment device 3 via a connecting pipe 12 so that the pressure of the inside can be changed. The cylinder 30 is driven by a motor 35 via a linear movement unit 36 such as a ball screw and the motor 35 is controlled by a controller 4. The moving distance of cylinder 30, which is equal to the moving distance of the piston, is decided by the number of the revolutions of the motor 35, and the capacity of the closed circuit of the pressure adjustment device 3 is also decided.
    • 倍率校正装置1包括倍率校正光学器件2,压力调节装置3和控制器4。 倍率校正光学器件2形成为具有玻璃板20和平行于玻璃板20定位的底板11和框架10的盒子的形状。 箱体内部是经由连接管12与压力调节装置3连接的空气室24,能够改变内部的压力。 气缸30由马达35通过诸如滚珠丝杠的线性运动单元36驱动,马达35由控制器4控制。 气缸30的移动距离等于活塞的移动距离由马达35的转速确定,并且还决定了压力调节装置3的闭合回路的容量。
    • 97. 发明申请
    • Microlithography exposure method and projection exposure apparatus for carrying out the method
    • 微光曝光方法和投影曝光装置进行该方法
    • US20060290913A1
    • 2006-12-28
    • US11475871
    • 2006-06-28
    • Nils DieckmannManfred Maul
    • Nils DieckmannManfred Maul
    • G03B27/42
    • G03F7/70308G03F7/70566
    • In an exposure method for producing an image of a pattern, arranged in the object surface of a projection objective, in the image surface of the projection objective, the mask is illuminated with illumination radiation with the aid of the illumination system. The radiation varied by the mask and which enters the projection objective is thereby produced downstream of the mask. The projection objective is transirradiated with this radiation. An astigmatic variation of the radiation varied by the mask is effected in the region of at least one pupil surface of the projection objective, the astigmatic variation being designed such that an anisotropy of properties of the radiation striking the image surface that leads to direction-dependent contrast differences is at least partially compensated. The astigmatic variation can be achieved, for example, with the aid of an elliptical diaphragm or an elliptical transmission filter.
    • 在布置在投影物镜的物体表面上的图形图像的曝光方法中,在投影物镜的图像表面中,借助于照明系统照射照射的掩模。 由掩模变化并进入投影物镜的辐射由此在掩模的下游产生。 投射物镜用这种辐射进行辐照。 由掩模变化的辐射的散光变化在投影物镜的至少一个瞳孔表面的区域中进行,散光变化被设计成使得射入图像表面的辐射的各向异性导致方向依赖 对比差异至少部分得到补偿。 像散变化可以例如借助椭圆形光阑或椭圆形透射滤光片来实现。