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    • 5. 发明授权
    • Semiconductor wafer polishing apparatus and method of polishing
    • 半导体晶片抛光装置及抛光方法
    • US08192248B2
    • 2012-06-05
    • US12130190
    • 2008-05-30
    • Peter D. AlbrechtGuoqiang Zhang
    • Peter D. AlbrechtGuoqiang Zhang
    • B24B1/00
    • B24B37/30
    • A wafer polishing apparatus has a base and a turntable having a polishing pad thereon and mounted on the base for rotation of the turntable and polishing pad relative to the base about an axis perpendicular to the turntable and polishing pad. The polishing pad includes a work surface engageable with a front surface of a wafer for polishing the front surface of the wafer. A drive mechanism is mounted on the base for imparting rotational motion about an axis substantially parallel to the axis of the turntable. A polishing head is connected to the drive mechanism for driving rotation of the polishing head. The polishing head has a pressure plate adapted to hold the wafer for engaging the front surface of the wafer with the work surface of the polishing pad. The pressure plate has a generally planar position and is selectively movable from the planar position to a convex position and to a concave position.
    • 晶片抛光装置具有基座和转盘,其上具有抛光垫,并且安装在基座上,用于使旋转台和抛光垫相对于垂直于转盘和抛光垫的轴线相对于基座旋转。 抛光垫包括可与晶片的前表面接合的工作表面,用于抛光晶片的前表面。 驱动机构安装在基座上,用于绕基本上平行于转台的轴线的轴线进行旋转运动。 抛光头连接到用于驱动抛光头旋转的驱动机构。 抛光头具有适于保持晶片的压板,用于与晶片的前表面接合抛光垫的工作表面。 压板具有大致平面的位置,并且可以从平面位置选择性地移动到凸形位置和凹入位置。
    • 6. 发明申请
    • SEMICONDUCTOR WAFER POLISHING APPARATUS AND METHOD OF POLISHING
    • 半导体波长抛光装置和抛光方法
    • US20090298399A1
    • 2009-12-03
    • US12130190
    • 2008-05-30
    • Peter D. AlbrechtGuoqiang Zhang
    • Peter D. AlbrechtGuoqiang Zhang
    • B24B9/00
    • B24B37/30
    • A wafer polishing apparatus has a base and a turntable having a polishing pad thereon and mounted on the base for rotation of the turntable and polishing pad relative to the base about an axis perpendicular to the turntable and polishing pad. The polishing pad includes a work surface engageable with a front surface of a wafer for polishing the front surface of the wafer. A drive mechanism is mounted on the base for imparting rotational motion about an axis substantially parallel to the axis of the turntable. A polishing head is connected to the drive mechanism for driving rotation of the polishing head. The polishing head has a pressure plate adapted to hold the wafer for engaging the front surface of the wafer with the work surface of the polishing pad. The pressure plate has a generally planar position and is selectively movable from the planar position to a convex position and to a concave position.
    • 晶片抛光装置具有基座和转盘,其上具有抛光垫,并且安装在基座上,用于使旋转台和抛光垫相对于垂直于转盘和抛光垫的轴线相对于基座旋转。 抛光垫包括可与晶片的前表面接合的工作表面,用于抛光晶片的前表面。 驱动机构安装在基座上,用于绕基本上平行于转台的轴线的轴线进行旋转运动。 抛光头连接到用于驱动抛光头旋转的驱动机构。 抛光头具有适于保持晶片的压板,用于与晶片的前表面接合抛光垫的工作表面。 压板具有大致平面的位置,并且可以从平面位置选择性地移动到凸形位置和凹入位置。