Wafer clamping apparatus
    1.
    发明授权

    公开(公告)号:US09768051B2

    公开(公告)日:2017-09-19

    申请号:US15071228

    申请日:2016-03-16

    CPC classification number: H01L21/68728

    Abstract: A wafer clamping apparatus, including a plurality of support pins under a wafer, the plurality of pins to support the wafer; and a side clamp at a lateral side of the wafer, the side clamp to directly contact a lateral side of the wafer to press the wafer, the side clamp to press the wafer in a first direction or a second direction, the first direction and the second direction being different directions.

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