SUBSTRATE POLISHING DEVICE AND SUBSTRATE POLISHING METHOD

    公开(公告)号:US20200269383A1

    公开(公告)日:2020-08-27

    申请号:US16495010

    申请日:2018-01-10

    申请人: Ebara Corporation

    摘要: Provided is a polishing device for appropriately retaining a polishing member in an appropriate state in polishing. The polishing device for partially polishing a substrate includes a polishing member having a processing surface which comes into contact with the substrate and which is smaller than the substrate, a conditioning member for performing conditioning on the polishing member, a first pressing mechanism for pressing the conditioning member against the polishing member in polishing the substrate, and a control unit for controlling an operation of the polishing device. The control unit is configured to control the first pressing mechanism when the substrate is partially polished by the polishing member.

    PRESSURE REGULATOR AND POLISHING APPARATUS HAVING THE PRESSURE REGULATOR
    7.
    发明申请
    PRESSURE REGULATOR AND POLISHING APPARATUS HAVING THE PRESSURE REGULATOR 有权
    压力调节器和具有压力调节器的抛光装置

    公开(公告)号:US20150224620A1

    公开(公告)日:2015-08-13

    申请号:US14590620

    申请日:2015-01-06

    申请人: EBARA CORPORATION

    IPC分类号: B24B37/005 B24B7/22

    摘要: A pressure regulator capable of improving both stability of pressure and responsiveness to an input signal is disclosed. A PID controller is configured to stop producing a corrective command value from a point in time when a pressure command value has changed until a PID control starting point and to produce the corrective command value after the PID control starting point. A regulator controller is configured to control operation of a pressure regulation valve so as to eliminate a difference between the pressure command value and a first pressure value from the point in time when the pressure command value has changed until the PID control starting point, and to control the operation of the pressure regulation valve so as to eliminate a difference between the corrective command value and the first pressure value after the PID control starting point.

    摘要翻译: 公开了能够提高压力稳定性和对输入信号的响应性的压力调节器。 PID控制器被配置为从压力指令值改变直到PID控制起始点的时间点停止产生校正指令值,并且在PID控制起点之后产生校正指令值。 调节器控制器被配置为控制压力调节阀的操作,以便从压力指令值已经改变到PID控制起始点的时间点消除压力指令值与第一压力值之间的差值,并且 控制压力调节阀的运行,以消除PID控制起点后的校正指令值与第一压力值之间的差异。