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    • 41. 发明授权
    • Methods and apparatus for a stereoscopic graphic user interface
    • 用于立体图形用户界面的方法和装置
    • US06344860B1
    • 2002-02-05
    • US09200802
    • 1998-11-27
    • Michael P. C. Watts
    • Michael P. C. Watts
    • G06F314
    • G06F3/0481H04N13/275H04N13/286
    • A stereo graphic user interface (GUI) includes stereo pairs of conventional GUI interface objects, such as a cursor, menu bars, buttons, and so on. In one implementation, a slave component is located on the same display screen as, and at a fixed displacement from, a master component. Any changes to the master component are tracked and made to the slave component so as to form and maintain stereo pairs of components. The stereo GUI may be configured to support multiple viewers, and a user may employ the stereo GUI not only to view stereo pairs of graphical objects but also to manipulate them.
    • 立体图形用户界面(GUI)包括诸如光标,菜单栏,按钮等的常规GUI界面对象的立体对。 在一个实现中,从属部件位于与主部件相同的显示屏幕上,并且与主部件处于固定位移。 跟踪主部件的任何变化,并对从属部件进行修改,以形成和维护立体声组件对。 立体图形图形用户界面可以被配置为支持多个观看者,并且用户可以使用立体图形用户界面GUI不仅可以查看图形对象的立体对,而且可以操纵它们。
    • 42. 发明授权
    • High-speed, high-resolution, large area inspection using multiple
optical fourier transform cells
    • 高速,高分辨率,大面积检测使用多个光学傅立叶变换单元
    • US5966212A
    • 1999-10-12
    • US683790
    • 1996-07-18
    • Lawrence HendlerMichael P. C. WattsRichard A. Portune
    • Lawrence HendlerMichael P. C. WattsRichard A. Portune
    • G01N21/956G01N21/88
    • G01N21/95623
    • A system includes multiple optical Fourier transform cells which simultaneously scan a device under test. The illuminated area for each Fourier transform cell is small to provide high resolution, while the number of cells is large to cover a relatively wide area and keep inspection speed high. The advantages of optical computing performed by Fourier transform optics also keeps the inspection speed high because illuminated areas are large when compared to the resolution and Fourier transforms are linear shift invariant so that optical measurements can be performed during scanning. In one embodiment, Fourier transform cells are offset from each other perpendicular to the scan direction by less that the width of an illuminated area. This provides complete coverage during scanning of a device under test. Because the illumination for the Fourier transform is collimated, the system is insensitive to focusing errors due to fluctuations in working distance.
    • 系统包括同时扫描被测器件的多个光学傅里叶变换单元。 每个傅立叶变换单元的照明面积小,以提供高分辨率,而单元数量大,以覆盖相对较宽的面积并保持检测速度高。 傅里叶变换光学执行的光学计算的优点还使检测速度保持较高,因为与分辨率相比,照明区域较大,而傅里叶变换是线性移位不变的,从而可以在扫描过程中进行光学测量。 在一个实施例中,傅立叶变换单元相对于扫描方向彼此偏离照明区域的宽度。 这在扫描被测设备期间提供完整的覆盖。 因为傅立叶变换的照明是准直的,所以系统对由于工作距离的波动引起的聚焦误差不敏感。
    • 44. 发明授权
    • Defect detection using fourier optics and a spatial separator for
simultaneous optical computing of separated fourier transform components
    • 使用傅立叶光学器件的缺陷检测和用于分离的傅里叶变换部件的同时光学计算的空间分离器
    • US5506676A
    • 1996-04-09
    • US329110
    • 1994-10-25
    • Lawrence HendlerMichael P. C. Watts
    • Lawrence HendlerMichael P. C. Watts
    • G01B11/24G01B11/245G01N21/88G01N21/956G01R31/308H01L21/66G01N21/00
    • G01R31/308G01N21/95623
    • High speed pattern and defect detection in flat panel displays, integrated circuits, photo mask reticles, CRT color masks, printed circuit boards, and any other patterned devices, regular or irregular, uses analog optical computing. Using appropriate illumination and optics, the Fourier transform of the image of a device under test is formed. The Fourier transform components of an ideal pattern are compared to the Fourier transform components of a measured pattern, and differences in relative intensities of the spatial components indicate a defect. A spatial separator is used to direct different components of the Fourier transform in different directions for parallel, simultaneous measurement and analysis. Utilizing Statistical Process Control, and properly comparing the different Fourier transform components, the defect is partially classified. Optical image processing is done in real time at the speed of light. Image acquisition at video rates is not a requirement, therefore detection can be performed on the fly while scanning the device under test.
    • 使用模拟光学计算的平板显示器,集成电路,光掩模掩模版,CRT彩色掩模,印刷电路板以及任何其他经常或不规则的图案化设备的高速图案和缺陷检测。 使用适当的照明和光学元件,形成被测设备的图像的傅里叶变换。 将理想图案的傅里叶变换分量与测量图案的傅里叶变换分量进行比较,空间分量的相对强度差表示缺陷。 空间分离器用于引导不同方向的傅里叶变换的不同分量进行并行,同时测量和分析。 利用统计过程控制,并对不同的傅立叶变换分量进行正确比较,对缺陷进行了部分分类。 光学图像处理以光速实时完成。 不需要以视频速率进行图像采集,因此可以在扫描被测设备的同时进行检测。