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    • 3. 发明授权
    • Rotary-cup coating apparatus
    • 旋转杯涂装置
    • US5571324A
    • 1996-11-05
    • US277903
    • 1994-07-20
    • Hiroyoshi SagoHideyuki MizukiKatsuhiko Kudo
    • Hiroyoshi SagoHideyuki MizukiKatsuhiko Kudo
    • B05C11/08C23C4/12H01L21/00H01L21/027B05B13/04
    • H01L21/6715B05C11/08C23C4/123
    • When a cylinder unit is actuated to extent its rod upwardly, a chuck is lifted above an inner cup to receive a planar workpiece such as a semiconductor wafer or a glass substrate. The chuck is now disengaged from the inner cup, and a stopper locks the chuck against rotation. After the planar workpiece has been supported on the chuck, the cylinder unit is actuated to retract its rod, bringing the chuck into its lowered position. The chuck is now engaged by the inner cup for corotation. Energization of a motor rotates the inner cup, which then rotates the chuck. Since the inner cup, which has a relatively large rotational inertia, is driven by the motor, interengaging portions of the inner cup and the chuck are less susceptible to damage.
    • 当气缸单元被致动以将其杆向上延伸时,卡盘被提升到内杯上方以接收诸如半导体晶片或玻璃基板的平面工件。 卡盘现在与内杯分离,止动器锁定卡盘以防旋转。 在平面工件被支撑在卡盘上之后,气缸单元被致动以缩回其杆,使卡盘进入其下降位置。 卡盘现在由内杯接合以进行共转化。 电动机的通电使内杯旋转,然后旋转卡盘。 由于具有相对较大转动惯量的内杯由电动机驱动,所以内杯和卡盘的相互接合部分不易受到损坏。