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    • 5. 发明授权
    • Exposure apparatus, exposure method, and method for producing device
    • 曝光装置,曝光方法和制造装置的方法
    • US09063438B2
    • 2015-06-23
    • US13354899
    • 2012-01-20
    • Masahiko YasudaTakahiro MasadaYuho KanayaTadashi Nagayama
    • Masahiko YasudaTakahiro MasadaYuho KanayaTadashi Nagayama
    • G03F9/00G03F7/20
    • G03F7/70341G03F7/70141G03F7/70716G03F9/7088
    • A liquid immersion exposure apparatus includes a projection system having a last optical element, the projection system projecting a beam onto a substrate through an immersion liquid; a movable stage having a holder by which the substrate is held; a measurement member provided on the movable stage, the measurement member having a measurement portion covered with a light-transmissive material; a first alignment system by which an alignment mark is detected not through the immersion liquid; and a second alignment system which optically obtains, using the measurement member, first positional information of the beam projected by the projection system through the immersion liquid. In order to obtain the first positional information, the movable stage is moved so that the measurement member is under the projection system and a gap between the projection system and the measurement member is filled with the immersion liquid.
    • 液浸曝光装置包括具有最后光学元件的投影系统,投影系统通过浸没液体将光束投射到基板上; 可动台,具有保持基板的保持架; 测量构件,设置在所述可移动台上,所述测量构件具有覆盖有透光材料的测量部分; 第一对准系统,通过该第一对准系统不通过浸没液体检测对准标记; 以及第二对准系统,其使用所述测量构件,通过所述浸没液体,光学地获得由所述投影系统投影的所述光束的第一位置信息。 为了获得第一位置信息,移动台被移动,使得测量构件在投影系统下方,并且投影系统和测量构件之间的间隙被浸没液体填充。
    • 6. 发明授权
    • Measurement method, measurement apparatus, exposure method, and exposure apparatus
    • 测量方法,测量装置,曝光方法和曝光装置
    • US08947665B2
    • 2015-02-03
    • US13495284
    • 2012-06-13
    • Mitsuru KobayashiMasahiko Yasuda
    • Mitsuru KobayashiMasahiko Yasuda
    • G01B11/00G03F9/00
    • G03F9/7046G03F9/7003G03F9/7011G03F9/7019G03F9/7084
    • To perform high-speed and highly accurate measurement by setting desired measuring conditions for each measuring object. In an alignment sensor of exposure apparatus, in the case of performing position measurement for a plurality of sample shots, measurement is performed by changing the measuring conditions, in response to a measuring axis direction, a mark or a layer whereupon a mark to be measured exists. At that time, for the measuring objects to be measured under the same measuring conditions, for example, a position in a Y axis direction and a position in an X axis direction, measurement is continuously performed. When the measuring condition is changed, a baseline value is remeasured. The changeable measuring conditions are wavelength of measuring light, use and selection of a retarder, NA and σ of an optical system, a light quantity of measuring light, illumination shape, signal processing algorithm, etc.
    • 通过设置每个测量对象的所需测量条件来执行高速和高精度的测量。 在曝光装置的对准传感器中,在对多个采样拍摄进行位置测量的情况下,通过根据测量轴方向改变测量条件,进行测量的标记或层,进行测量 存在 此时,对于在相同测量条件下测量的测量对象,例如,Y轴方向的位置和X轴方向上的位置,连续进行测量。 当测量条件改变时,重新测量基准值。 可变的测量条件是测量光的波长,减速器的使用和选择,NA和&sgr; 的光学系统,光量测量光,照明形状,信号处理算法等。
    • 8. 发明授权
    • Exposure apparatus, exposure method, and method for producing device
    • 曝光装置,曝光方法和制造装置的方法
    • US08130361B2
    • 2012-03-06
    • US11399537
    • 2006-04-07
    • Masahiko YasudaTakahiro MasadaYuho KanayaTadashi NagayamaKenichi Shiraishi
    • Masahiko YasudaTakahiro MasadaYuho KanayaTadashi NagayamaKenichi Shiraishi
    • G03B27/42G03B27/52
    • G03F7/70341G03F7/70141G03F7/70716G03F9/7088
    • An exposure apparatus includes a substrate stage movable while holding a substrate, a substrate alignment system which detects an alignment mark (1) on the substrate held by the substrate stage and detects a reference mark (PFM) provided on the substrate stage, and a mask alignment system which detects, via a projection optical system, a reference mark (MFM) provided on the substrate stage. The reference mark (PFM) on the substrate stage is detected without a liquid by using the substrate alignment system, and the reference mark (MFM) on the substrate stage is detected using the mask alignment system via the projection optical system and the liquid. Then, a positional relationship between a detection reference position of the substrate alignment system and a projection position of an image of a pattern is obtained, thereby accurately performing alignment processing in the liquid immersion exposure.
    • 一种曝光装置,包括:在保持基板的同时可移动的基板台;基板对准系统,其检测由基板台保持的基板上的对准标记(1),并检测设置在基板台上的基准标记(PFM);以及掩模 对准系统,其经由投影光学系统检测设置在基板台上的参考标记(MFM)。 通过使用衬底对准系统,无需液体检测衬底台上的参考标记(PFM),并且通过投影光学系统和液体使用掩模对准系统检测衬底台上的参考标记(MFM)。 然后,获得基板对准系统的检测基准位置与图案的图像的投影位置之间的位置关系,从而在液浸曝光中精确地进行取向处理。