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    • 9. 发明申请
    • METROLOGY METHOD AND APPARATUS, SUBSTRATE, LITHOGRAPHIC SYSTEM AND DEVICE MANUFACTURING METHOD
    • 计量方法和装置,基板,光刻系统和器件制造方法
    • WO2013178422A1
    • 2013-12-05
    • PCT/EP2013/059061
    • 2013-05-01
    • ASML NETHERLANDS B.V.
    • JAK, MartinKOOLEN, ArmandSMILDE, Hendrik
    • G03F7/20
    • G03F7/70625G03F7/70483G03F7/70633G03F7/70683
    • A metrology target formed by a lithographic process on a substrate includes a plurality of component gratings. Images of the target are formed using +1 and -1 orders of radiation diffracted by the component gratings. Regions of interest (ROIs) in the detected image are identified corresponding the component gratings. Intensity values within each ROI are processed and compared between images, to obtain a measurement of asymmetry and hence overlay error. Separation zones are formed between the component gratings and design so as to provide dark regions in the image. In an embodiment, the ROIs are selected with their boundaries falling within the image regions corresponding to the separation zones. By this measure, the asymmetry measurement is made more tolerant of variations in the position of the ROI. The dark regions also assist in recognition of the target in the images.
    • 由基板上的光刻工艺形成的测量目标包括多个分量光栅。 使用由分量光栅衍射的+1和-1次辐射来形成目标的图像。 识别检测到的图像中的感兴趣区域(ROI)对应于分量光栅。 在每个ROI内的强度值被处理并在图像之间进行比较,以获得不对称性的测量并因此获得覆盖误差。 在分量光栅之间形成分离区并设计成在图像中提供暗区。 在一个实施例中,选择其边界落入对应于分离区域的图像区域内的ROI。 通过这种措施,使不对称测量更加容忍ROI的位置的变化。 黑暗的地区也有助于识别图像中的目标。
    • 10. 发明申请
    • COLOR DISPLAY
    • 彩色显示
    • WO2006003609A1
    • 2006-01-12
    • PCT/IB2005/052133
    • 2005-06-28
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JAK, MartinHEKSTRA, Gerben, J.
    • JAK, MartinHEKSTRA, Gerben, J.
    • H04N9/31
    • H04N9/315G09G3/3614G09G2310/0235H04N9/3114
    • A color display device comprises a plurality of picture elements (14), at least two light sources, having different radiance spectra and being activated alternately, and color selection means for generating, together with said light sources, primary colors in a color image (Pl, P2). Each of a number of image information sets, each set being related to a color image (P1, P2) to be displayed, are divided into a first subframe (Al, A2), being picture element settings to be maintained during the operation of a first light source, and a second subframe (B1, B2), being picture element settings to be maintained during the operation of a second light source. The polarity of the picture elements (14) is, in an alternating manner, shifted between a first polarity (+) and a second polarity (-). The polarity is shifted in such manner that a first subframe (Al) and a subsequent first subframe (A2) are matched with different polarities (+, -) in order to avoid a polarization in the picture elements (14) which may result in slow response or other artifacts.
    • 彩色显示装置包括多个图像元素(14),具有不同辐射光谱并交替激活的至少两个光源,以及颜色选择装置,与所述光源一起产生彩色图像中的原色(P1 ,P2)。 每个与要显示的彩色图像(P1,P2)相关的图像信息集合被划分为第一子帧(A1,A2),作为在操作期间要保持的图像元素设置 第一光源和第二子帧(B1,B2),作为在第二光源的操作期间要保持的像素设置。 像素(14)的极性以交替的方式在第一极性(+)和第二极性( - )之间移动。 极性以这样的方式移位,使得第一子帧(A1)和后续的第一子帧(A2)与不同的极性(+, - )匹配,以避免图像元素(14)中的极化,这可能导致慢 响应或其他工件。