WAFFER PEDESTAL AND SUPPORT STRUCTURE THEREOF

    公开(公告)号:US20190096736A1

    公开(公告)日:2019-03-28

    申请号:US16132780

    申请日:2018-09-17

    申请人: PIOTECH CO., LTD.

    IPC分类号: H01L21/687 H01L21/67

    摘要: The invention discloses a support structure for a wafer pedestal; particularly the wafer pedestal has a wafer carrying surface defining holes for accommodation of the support structure. The support structure includes a first surface and extends therebetween. The first surface includes a rising portion for supporting wafer. A center of the first surface and a center of the second surface define an axis that is not parallel to the normal of the first surface. That is, the first surface extends oblique relatively to the second surface such that the support structure according to the invention can be received in the pedestal in an oblique way relative to the wafer carrying surface of the pedestal.

    SUBSTRATE TRANSFER HAND
    3.
    发明申请

    公开(公告)号:US20190035670A1

    公开(公告)日:2019-01-31

    申请号:US16072045

    申请日:2017-01-27

    发明人: Kentaro OKAMOTO

    摘要: A substrate transfer hand is provided that is capable of supporting a substrate in a rigid state while reducing the contact points with the substrate.A substrate transfer hand includes a longitudinal hand support 20a extending in a longitudinal direction, and a plurality of transverse hand supports 31a and 32a coupled to the longitudinal hand support 20a and extending transversely to the longitudinal direction of the longitudinal hand support 20a. The plurality of transverse hand supports 31a and 32a include a plurality of first transverse hand supports 31a and a plurality of second transverse hand supports 32a. Each of the first transverse hand supports 31a includes a plurality of first contact points 40A aligned in a direction in which the first transverse hand support 31a extends and capable of contacting the substrate SB. The maximum height position of the first contact points 40A is a first height. Each of the second transverse hand supports 32a includes a plurality of second contact points 40B aligned in a direction in which the second transverse hand support 32a extends and capable of contacting the substrate SB. The maximum height position of the second contact points 40B is a second height that is lower than the first height.