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    • 1. 发明授权
    • Particulate free vacuum compatible pinch seal
    • 颗粒自由真空兼容夹紧密封
    • US5702533A
    • 1997-12-30
    • US672317
    • 1996-06-28
    • Randall S. MundtKenneth R. Krieg
    • Randall S. MundtKenneth R. Krieg
    • C23C14/56H01L21/677C23C16/00
    • C23C14/564H01L21/67709Y10S414/135
    • A pinch seal in which particle generation by frictional contact is prevented so that the pinch seal can be used in a semiconductor processing apparatus where elimination of particulate contamination is desirable. The pinch seal is particularly adapted for use in connection with a semiconductor wafer transport device, such as a linear transport device. The pinch seal is formed in a barrier provided between a transport device and a semiconductor processing work environment. One or more support members for transporting a wafer extend through the pinch seal. In one embodiment, the pinch seal includes a flexible sealing member with a magnetic strip extending along the length of the flexible sealing member. A mechanism which does not physically contact the flexible sealing member, such as a device generating a magnetic field, is used to selectively open and close the flexible sealing member to prevent contact between the flexible sealing member and the support member passing through the flexible sealing member while retaining the isolating function of the shielding member.
    • 一种夹紧密封件,其中防止了通过摩擦接触产生颗粒,使得夹紧密封件可用于需要消除颗粒污染的半导体加工设备中。 夹紧密封件特别适合于与半导体晶片输送装置(例如线性输送装置)结合使用。 夹紧密封件形成在设置在传送装置和半导体处理工作环境之间的屏障中。 用于运输晶片的一个或多个支撑构件延伸穿过夹紧密封件。 在一个实施例中,夹紧密封件包括具有沿着柔性密封构件的长度延伸的磁条的柔性密封构件。 使用不与柔性密封构件(例如产生磁场的装置)物理接触的机构来选择性地打开和关闭柔性密封构件,以防止柔性密封构件与穿过柔性密封构件的支撑构件之间的接触 同时保持屏蔽构件的隔离功能。