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    • 10. 发明公开
    • Ceramic blades for semiconductor processing apparatus
    • KeramikblattfürHalbleiterbearbeitungseinrichtung
    • EP0734056A3
    • 1996-11-20
    • EP96107964.7
    • 1994-07-13
    • APPLIED MATERIALS, INC.
    • Somekh, SassonFairbairn, KevinKolstoe, Gary M.White, Gregory W.Faraco Jr.,W.George
    • H01L21/00
    • H01L21/67748H01L21/67739H01L21/6838Y10S414/137
    • A semiconductor wafer processing system for processing wafers (22) from a wafer storage cassette (24) includes a wafer transfer chamber (14); a wafer storage elevator (20) within the transfer chamber; one or more wafer processing chambers (12); and a wafer transfer apparatus for transferring a wafer between a standard storage cassette adjacent and outside the transfer chamber and the elevator, and between the elevator and the processing chamber. The environment of the storage chamber varies in pressure between atmospheric when accepting wafers from outside, and a subatmospheric pressure when transferring wafers to or from a processing chamber. The transfer apparatus includes a robot arm (16); a thin flat wafer carrying blade (18) at the leading end of the robot arm and configured for engaging a wafer from the storage cassette or the elevator; and a wafer support tray (40) which is configured for removable engagement with the blade and for engaging and positively positioning a wafer (22) from the elevator, or a support pedestal within a processing chamber. When the transfer apparatus moves a wafer between the elevator and a processing chamber in an evacuated environment, the tray is engaged with the blade and helps retain the wafer during transit. When wafers are transferred between the cassette and the elevator at atmospheric pressure the tray is disengaged from the blade and placed in a rest position on the elevator, and the wafer transfer is performed by means of the blade alone with a vacuum pick integral to the blade. The blade includes upper (18') and lower (18'') halves together with defining vacuum channels and capacitive position sensors.
    • 一种用于从晶片存储盒(24)处理晶片(22)的半导体晶片处理系统包括晶片传送室(14); 传送室内的晶片存储电梯(20); 一个或多个晶片处理室(12); 以及晶片传送装置,用于在与传送室和电梯之间以及电梯和处理室之间的标准存储盒之间传送晶片。 当从外部接收晶片时,储存室的环境在大气压之间变化,并且在将晶片转移到处理室或从处理室转移时的低于大气压。 传送装置包括机器人臂(16); 在所述机器人臂的前端处的薄平坦晶片承载叶片(18),并且构造成用于从所述存储盒或电梯接合晶片; 以及晶片支撑盘(40),其被配置为可移除地与所述刀片接合并且用于接合并且将晶片(22)从所述电梯或处理室内的支撑座接合并且正确定位。 当传送装置在抽空环境中在电梯和处理室之间移动晶片时,托盘与刀片接合并且有助于在运输过程中保持晶片。 当晶片在大气压力下在盒和电梯之间转移时,托盘从叶片脱离并放置在电梯上的静止位置,并且通过单独的刀片执行晶片转移,其中与叶片成一体的真空拾取器 。 叶片包括上部(18')和下部(18“)半部以及限定的真空通道和电容式位置传感器。