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    • 82. 发明申请
    • Near-field exposure method and device manufacturing method using the same
    • 近场曝光方法及使用其的装置制造方法
    • US20070082279A1
    • 2007-04-12
    • US10554994
    • 2005-06-30
    • Natsuhiko MizutaniRyo Kuroda
    • Natsuhiko MizutaniRyo Kuroda
    • G03F7/20
    • G03F7/7035B82Y10/00G03F7/70325
    • Disclosed is a near-field exposure method including a process of bringing a light blocking film with a plurality of small openings each having an opening width not greater than a wavelength of exposure light, into close contact with a photoresist layer provided on a surface of a substrate, and a process of projecting exposure light from an exposure light source to the light blocking film to transfer an opening pattern of the light blocking film to the photoresist layer, wherein, on the basis of a correlation between (a) a distance from a node of a standing wave to be produced in the photoresist layer to the light blocking film and (b) a light intensity distribution of near-field light to be produced in the photoresist layer adjacent the light blocking film, the distance from the standing wave node to the light blocking film is determined so as to provide a desired light intensity distribution.
    • 公开了一种近场曝光方法,包括使具有不大于曝光光的波长的开口宽度的多个小开口的遮光膜与设置在曝光光的表面上的光致抗蚀剂层紧密接触的工艺 以及将曝光光源的曝光光投射到遮光膜以将遮光膜的开口图案转印到光致抗蚀剂层的处理,其中,基于(a)距离 在光致抗蚀剂层中产生的阻挡膜的驻波的节点和(b)在与阻挡膜相邻的光致抗蚀剂层中产生的近场光的光强度分布,与驻波结点的距离 确定遮光膜以提供期望的光强度分布。
    • 87. 发明申请
    • Method and apparatus for detecting relative positional deviation between two objects
    • 用于检测两个物体之间的相对位置偏差的方法和装置
    • US20060007440A1
    • 2006-01-12
    • US11166106
    • 2005-06-27
    • Ryo KurodaYasuhisa Inao
    • Ryo KurodaYasuhisa Inao
    • G01B11/00
    • G03F9/7076B82Y10/00B82Y40/00G03F7/0002G03F9/7038G03F9/7042
    • Disclosed is a method and apparatus for detecting a relative positional deviation between first and second objects. In one preferred form of the invention, the detecting method includes the steps of (i) providing the first and second objects with diffraction gratings, respectively, each having a grating pitch larger than a wavelength of a light source used, (ii) placing the first and second objects so that a dielectric material layer having a thickness smaller than the wavelength of the light source used is interposed between the first and second objects, and so that the diffraction gratings of the first and second objects are opposed to each other, (iii) projecting light from the light source onto the diffraction gratings of the first and second objects, and (iv) detecting the relative positional deviation between the first and second objects on the basis of diffraction light projected from the diffraction gratings to a space.
    • 公开了一种用于检测第一和第二物体之间的相对位置偏差的方法和装置。 在本发明的一个优选形式中,检测方法包括以下步骤:(i)分别为第一和第二物体提供衍射光栅,每个衍射光栅具有大于所使用的光源的波长的光栅间距,(ii) 第一和第二物体,使得具有小于所使用的光源的波长的厚度的介电材料层插入在第一和第二物体之间,并且使得第一和第二物体的衍射光栅彼此相对(( iii)将来自光源的光投射到第一和第二物体的衍射光栅上,以及(iv)基于从衍射光栅投影到衍射光栅的衍射光来检测第一和第二物体之间的相对位置偏差。