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    • 6. 发明授权
    • Substrate retainer
    • 基板保持架
    • US08298047B2
    • 2012-10-30
    • US12987709
    • 2011-01-10
    • Steven M. ZunigaHung Chih Chen
    • Steven M. ZunigaHung Chih Chen
    • B24B5/35
    • B24B37/32B24B37/28
    • A retainer is used with an apparatus for polishing a substrate. The substrate has upper and lower surfaces and a lateral, substantially circular, perimeter. The apparatus has a polishing pad with an upper polishing surface for contacting and polishing the lower face of the substrate. The retainer has an inward facing retaining face for engaging and retaining the substrate against lateral movement during polishing of the substrate. The retaining face engages a substrate perimeter at more than substantially a single discrete circumferential location along the perimeter.
    • 保持器用于抛光衬底的装置。 衬底具有上表面和下表面以及侧面,基本上圆形的周边。 该装置具有抛光垫,该抛光垫具有用于接触和抛光基底的下表面的上抛光表面。 保持器具有向内的保持面,用于在衬底的抛光期间接合和保持衬底以防止横向移动。 保持面在沿着周边的基本上一个单独的离散圆周位置处接合基底周边。