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    • 5. 发明申请
    • POLISHING METHOD
    • 抛光方法
    • US20110256811A1
    • 2011-10-20
    • US13080821
    • 2011-04-06
    • Masayuki NAKANISHIKenya ItoMasaya SekiKenji IwadeTakeo Kubota
    • Masayuki NAKANISHIKenya ItoMasaya SekiKenji IwadeTakeo Kubota
    • B24B1/00
    • B24B21/002B24B9/065B24B21/04B24B37/042
    • A polishing method can obtain a good polishing profile which, for example, will not cause peeling of a semiconductor layer from a silicon substrate. The polishing method includes: positioning a polishing head at a position above a polishing start position in an edge portion of a rotating substrate; lowering a polishing tool of the polishing head until the polishing tool comes into contact with the polishing start position in the edge portion of the rotating substrate and a pressure between the polishing tool and the polishing start position reaches a set pressure; allowing the polishing tool to stay at the polishing start position for a predetermined amount of time; and then moving the polishing head toward a peripheral end of the substrate while keeping the polishing tool in contact with the edge portion of the rotating substrate at the set pressure.
    • 抛光方法可以获得良好的抛光轮廓,其例如不会导致半导体层从硅衬底剥离。 抛光方法包括:将抛光头定位在旋转基板的边缘部分中的抛光开始位置上方的位置; 降低抛光头的抛光工具,直到研磨工具与旋转基板的边缘部分中的抛光开始位置接触,并且抛光工具和抛光开始位置之间的压力达到设定压力; 允许抛光工具在抛光开始位置停留预定的时间量; 然后将抛光头朝向基板的周缘移动,同时保持抛光工具在旋转基板的边缘部分处于设定压力。
    • 6. 发明申请
    • POLISHING APPARATUS AND POLISHING METHOD
    • 抛光装置和抛光方法
    • US20120252320A1
    • 2012-10-04
    • US13073218
    • 2011-03-28
    • Masaya SekiTetsuji TogawaMasayuki Nakanishi
    • Masaya SekiTetsuji TogawaMasayuki Nakanishi
    • B24B1/00
    • B24B21/002B24B9/065B24B21/20H01L21/30625H01L21/67092H01L21/67259H01L21/68H01L21/84H01L22/20
    • The polishing apparatus has a polishing unit capable of forming a right-angled cross section by polishing a peripheral portion of the substrate. The polishing unit includes a polishing head having a pressing member configured to press a polishing tape against the peripheral portion of the substrate from above, a tape supply and recovery mechanism configured to supply the polishing tape to the polishing head and to recover the polishing tape from the polishing head, a first moving mechanism configured to move the polishing head in a radial direction of the substrate, and a second moving mechanism configured to move the tape supply and recovery mechanism in the radial direction of the substrate. The guide rollers are arranged such that the polishing tape extends parallel to a tangential direction of the substrate and a polishing surface of the polishing tape is parallel to a surface of the substrate.
    • 抛光装置具有能够通过抛光基板的周边部分而形成直角横截面的抛光单元。 抛光单元包括:抛光头,其具有被配置成从上方将研磨带压靠在基板的周边部分上的按压构件,配置成将抛光带供给到抛光头并将抛光带从 抛光头,构造成沿着基板的径向方向移动抛光头的第一移动机构和被配置为沿着基板的径向移动带供给和恢复机构的第二移动机构。 引导辊布置成使得抛光带平行于基板的切线方向延伸,并且抛光带的抛光表面平行于基板的表面。