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    • 91. 发明授权
    • Carrier head with gimbal mechanism
    • 承载头与万向架机构
    • US07101273B2
    • 2006-09-05
    • US11237062
    • 2005-09-28
    • Ming-Kuei TsengSteven M. Zuniga
    • Ming-Kuei TsengSteven M. Zuniga
    • B24B5/00
    • B24B37/30
    • A carrier head includes a housing connectable to a drive shaft to rotate therewith, a lower assembly having a substrate mounting surface, and a gimbal mechanism that connects the housing to the lower assembly to permit the lower assembly to pivot with respect to the housing about an axis substantially parallel to the polishing surface. The gimbal mechanism includes a shaft having an upper end slidably disposed in a vertical passage in a vertical passage in the housing, and a lower member that connects a lower end of the shaft to the lower assembly. The lower member bends to permit the base to pivot with respect to the housing. The shaft and the lower member are a unitary body.
    • 载体头包括可连接到驱动轴以与其一起旋转的壳体,具有基板安装表面的下部组件和将壳体连接到下部组件的万向节机构,以允许下部组件相对于壳体绕枢轴转动 基本上平行于抛光表面。 万向架机构包括:轴,其上端部可滑动地设置在壳体中的垂直通道中的垂直通道中;以及下部构件,其将轴的下端连接到下部组件。 下部构件弯曲以允许基部相对于壳体枢转。 轴和下部构件是一体的。
    • 96. 发明授权
    • Carrier head design for a chemical mechanical polishing apparatus
    • 用于化学机械抛光设备的载体头设计
    • US5762544A
    • 1998-06-09
    • US637208
    • 1996-04-24
    • Steven M. ZunigaStephen J. Blumenkranz
    • Steven M. ZunigaStephen J. Blumenkranz
    • B24B37/30B24B41/04H01L21/687B24B5/00B24B29/00
    • H01L21/68785B24B37/30B24B41/04H01L21/68792
    • A carrier head uses a pressure chamber and a gimbal. The gimbal allows the carrier base to pivot with respect to the drive shaft about a point at the interface between the substrate and the polishing pad. The gimbal may "float" so that no downward force is applied to the substrate through the gimbal. A rolling diaphragm seals the carrier base to the carrier housing to form a chamber. By pressurizing the chamber, an even load can be applied across the substrate. A retaining ring is independently loaded by an inflatable bladder. Torque is transferred from the carrier housing to the carrier base by horizontal pins positioned near the substrate. The pins can slide vertically in the housing, but not laterally. However, there is sufficiently elasticity to allow the torque pins to comply with manufacturing tolerances so that both torque pins bear the rotational load.
    • 承载头使用压力室和万向节。 万向节允许载体基座相对于驱动轴绕基板和抛光垫之间的界面处的点枢转。 万向架可以“浮动”,使得通过万向节不会向基板施加向下的力。 滚动隔膜将载体基部密封到载体壳体以形成室。 通过对腔室加压,可以跨越衬底施加均匀的负载。 保持环由充气气囊独立地装载。 扭矩通过位于基板附近的水平销从载体壳体转移到载体基座。 销可以在外壳中垂直滑动,但不能横向滑动。 然而,具有足够的弹性以允许扭矩销符合制造公差,使得两个扭矩销承受转动负载。