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    • 3. 发明授权
    • Polishing method and polishing apparatus using the same
    • 抛光方法和使用其的抛光装置
    • US06503361B1
    • 2003-01-07
    • US09090803
    • 1998-06-04
    • Masaru NyuiMikichi Ban
    • Masaru NyuiMikichi Ban
    • C23F104
    • B24B37/013B24B49/04B24B49/12
    • This specification discloses a polishing method of polishing the surface of a film layer provided on the surface of a substrate by polishing means with both of them driven relative to each other, having a position detecting step of detecting a predetermined position on the surface of the film layer, a first measuring step of applying momentary light from a light source to the predetermined position, and detecting the light beam from the predetermined position by a light receiving element to thereby measure the film thickness at the predetermined position, and a controlling step of controlling the polishing state by using data obtained in the first measuring step. The specification also discloses a polishing apparatus using such polishing method.
    • 该说明书公开了一种抛光方法,其通过抛光装置抛光设置在基板的表面上的膜层的表面,两者都被相对于彼此驱动,具有位置检测步骤,该位置检测步骤检测膜的表面上的预定位置 第一测量步骤,将来自光源的瞬时光施加到预定位置,并且由光接收元件检测来自预定位置的光束,从而测量预定位置处的膜厚度;以及控制步骤, 通过使用在第一测量步骤中获得的数据的抛光状态。 本说明书还公开了使用这种抛光方法的抛光装置。
    • 5. 发明授权
    • Method and apparatus for measuring film thickness and film thickness
distribution during polishing
    • 研磨过程中测量薄膜厚度和薄膜厚度分布的方法和装置
    • US6004187A
    • 1999-12-21
    • US917853
    • 1997-08-27
    • Masaru NyuiMikichi Ban
    • Masaru NyuiMikichi Ban
    • G01B11/06B24B49/12H01L21/66B24B49/00B24B5/00
    • B24B37/013H01L22/26
    • Disclosed is a method of polishing the surface of a film provided on a substrate, by use of a polishing device, while relatively moving the film surface and the polishing device. The method includes a position detecting step for detecting a predetermined position on the surface of the film, a first measurement step for measuring an absolute value of the film thickness at the predetermined position, and a second measurement step for measuring film thickness information of the film about the predetermined position, on the basis of a measured value obtained through the first measurement step. The method also includes a film thickness distribution measurement step for detecting a film thickness distribution of the film, on the basis of a data obtained through the first and second measurement steps, and a control step for controlling continuation/discontinuation of polishing, on the basis of a data obtained through the film thickness distribution measurement step.
    • 公开了通过使用研磨装置,在使膜面和研磨装置相对移动的同时研磨设置在基板上的膜的表面的方法。 该方法包括用于检测胶片表面上的预定位置的位置检测步骤,用于测量预定位置处的膜厚绝对值的第一测量步骤,以及用于测量胶片厚度信息的第二测量步骤 基于通过第一测量步骤获得的测量值来关于预定位置。 该方法还包括基于通过第一和第二测量步骤获得的数据以及用于控制抛光的持续/停止的控制步骤,用于检测膜的膜厚度分布的膜厚度分布测量步骤 通过膜厚分布测量步骤获得的数据。
    • 7. 发明授权
    • Encoder with an optical scale and interference of zero and first order
diffraction beams
    • 具有光刻度和零级和一级衍射光束干扰的编码器
    • US5481106A
    • 1996-01-02
    • US70996
    • 1993-06-04
    • Masaru NyuiMasahiko IgakiKo Ishizuka
    • Masaru NyuiMasahiko IgakiKo Ishizuka
    • G01D5/347G01D5/36G01D5/38H01J3/14
    • G01D5/38
    • An encoder capable of detecting movement information on a moving body with high accuracy without being affected by environmental changes, wherein movement information on a moving body is detected by causing a luminous flux to impinge upon a first scale section of an optical scale which is provided on the moving body and which consists of gratings of a fixed pitch, causing the luminous flux to impinge upon a second scale section of the optical scale, and receiving the luminous flux which has undergone light modulation at the second scale section, and wherein a light adjustment device for intercepting or attenuating a +1st order or -1st order diffracted ray of diffracted rays of light from the first scale section is provided in the optical path extending from the first scale section, an optical image having an intensity distribution of the same grating pitch as the first scale section being formed on the second scale section mainly by the zero order and the -1st order diffracted rays or by the zero order and the +1st order diffracted rays.
    • 一种编码器,其能够高精度地检测移动体上的移动信息而不受环境变化的影响,其中通过使光束照射到设置在 所述移动体由固定间距的光栅构成,使得光束撞击到光刻尺的第二刻度部分,并且接收在第二刻度部分处经过光调制的光束,并且其中光调节 在从第一刻度部分延伸的光路中设置用于截取或衰减来自第一标尺部分的衍射光线的+ 1级或-1级衍射光线的装置,具有相同光栅间距的强度分布的光学图像 因为第一刻度部分主要以零级和-1级衍射光线形成在第二刻度部分上 通过零级和+ 1级衍射光线。
    • 8. 发明授权
    • Rotation detector using dual position interference light
    • 旋转检测器采用双位置干涉光
    • US5369271A
    • 1994-11-29
    • US202685
    • 1994-02-25
    • Masaru Nyui
    • Masaru Nyui
    • G01D5/30G01D5/38G01D5/34
    • G01D5/38
    • In a rotation detector, a light beam from a light irradiating device is projected onto a first scale of an optical scale comprising gratings having a constant period provided around a cylindrical member of a rotating member, the light beam modulated by the first scale is projected onto a second scale of the optical scale via a region away from the center of the rotation shaft of the rotating member, the light beams as a result of modulation by the second scale are sensed by a light sensing device, and information regarding the rotation of the rotating member is detected using signals from the light sensing device.
    • 在旋转检测器中,将来自光照射装置的光束投影到包括围绕旋转部件的圆柱形部件设置的具有恒定周期的光栅的光学标尺的第一标度上,由第一标尺调制的光束投影到 经由离开旋转构件的旋转轴的中心的区域的光刻尺的第二刻度,作为第二刻度的调制结果的光束由光感测装置感测,并且关于旋转的旋转的信息 使用来自光检测装置的信号检测旋转构件。