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    • 5. 发明公开
    • FLOATING APPARATUS OF SUBSTRATE
    • SUBSTRATSCHWIMMVORRICHTUNG
    • EP1005076A1
    • 2000-05-31
    • EP98907223.6
    • 1998-03-13
    • KABUSHIKI KAISHA WATANABE SHOKOToda, Masayuki
    • TODA, MasayukiUMEDA, Masaru, K. Kaisha Watanabe ShokoKANNO, YoichiOHMI, Tadahiro
    • H01L21/68B23Q3/08
    • H01L21/6838
    • It is an object of the present invention to provide a substrate body floating apparatus which insures a stable floating state of a substrate body with less vibration of a rotation axis or a surface thereof and a heater and a film-forming apparatus capable of forming a homogeneous film without losing cleanliness of a surface of a substrate body and with small temperature gradation on a surface of a substrate body as well as small density gradation of a raw material used for forming a film on a substrate body in a wide area.
      The substrate body floating apparatus according to the present invention has a floating unit for floating and rotating a disk-shaped substrate body by blowing an air flow to a rear surface of the substrate body, said floating unit comprising a group of fine pores for floating the substrate body, a group of fine pores for fixing the substrate body at a center of the apparatus, a group of fine pores for rotating the substrate body at a center of the apparatus, and a group of auxiliary fine pores for suppressing vibration of the substrate body when the substrate body is rotated at a high speed. Also the substrate body floating type of heater and film-forming apparatus have the floating unit described above respectively.
    • 本发明的目的是提供一种基板体浮动装置,其确保基板主体的稳定的浮动状态,其具有较少的旋转轴线或其表面的振动,以及加热器和能够形成均匀的膜形成装置 薄膜,而不损害基板表面的清洁度,并且在基板主体的表面上具有较小的温度梯度,以及在广泛区域中用于在基板主体上形成薄膜的原料的小密度等级。 根据本发明的基板体浮置装置具有浮动单元,用于通过向基板主体的后表面吹送空气流来浮动和旋转盘形基板主体,所述浮动单元包括一组用于浮动的基板 基板主体,用于将基板固定在设备的中心的一组细孔,用于使基板主体在设备的中心旋转的一组细孔和一组用于抑制基板的振动的辅助细孔 当基板主体高速旋转时, 基板体浮动式的加热器和成膜装置也分别具有上述浮动单元。