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    • 6. 发明申请
    • POSITION MEASURING APPARATUS, POSITION MEASURING METHOD, LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
    • 位置测量装置,位置测量方法,平面设备和装置制造方法
    • WO2014019846A3
    • 2014-05-22
    • PCT/EP2013064982
    • 2013-07-16
    • ASML NETHERLANDS BV
    • MATHIJSSEN SIMON GIJSBERT JOSEPHUSDEN BOEF ARIE JEFFREY
    • G03F9/00
    • G03F7/70141G03F9/7026G03F9/7034
    • An apparatus for measuring positions of marks on a substrate, includes an illumination arrangement for supplying radiation with a predetermined illumination profile across a pupil of the apparatus, an objective lens for forming a spot of radiation on a mark using radiation supplied by said illumination arrangement, a radiation processing element for processing radiation that is diffracted by the mark, a first detection arrangement for detecting variations in an intensity of radiation output by the radiation processing element and for calculating therefrom a position of the mark, an optical arrangement, a second detection arrangement, wherein the optical arrangement serves to direct diffracted radiation to the second detection arrangement, and wherein the second detection arrangement is configured to detect size and/or position variations in the radiation and to calculate therefrom a defocus and/or local tilt of the mark.
    • 一种用于测量基板上的标记位置的装置,包括:用于向设备的光瞳提供具有预定照明轮廓的辐射的照明装置;用于使用由所述照明装置提供的辐射在标记上形成辐射点的物镜; 用于处理由标记衍射的辐射的辐射处理元件;第一检测装置,用于检测由辐射处理元件输出的辐射强度的变化,并用于计算标记的位置,光学装置,第二检测装置 ,其中所述光学装置用于将衍射辐射引导到所述第二检测装置,并且其中所述第二检测装置被配置为检测所述辐射中的尺寸和/或位置变化并由其计算所述标记的散焦和/或所述局部倾斜。