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    • 6. 发明申请
    • IC CHIP UNIFORM DELAYERING METHODS
    • IC芯片均匀延迟方法
    • US20080233751A1
    • 2008-09-25
    • US11690432
    • 2007-03-23
    • Keith E. BartonThomas A. BauerStanley J. KlepeisJohn A. MillerYun-Yu Wang
    • Keith E. BartonThomas A. BauerStanley J. KlepeisJohn A. MillerYun-Yu Wang
    • H01L21/461
    • G01N1/32H01L22/24
    • Methods of uniformly delayering an IC chip are disclosed. One embodiment includes: performing an ash on the wafer including an Al layer thereof and etching the Al layer; polishing an edge of the wafer using a slurry including an approximately 30 μm polishing particles; removing the aluminum layer and at least one metal layer by polishing using a slurry including approximately 9 μm diamond polishing particles and a non-abrasive backside of a polishing sheet; removing any remaining metal layers to a first metal layer by polishing using a slurry including approximately 3 μm diamond polishing particles and the non-abrasive backside of a polishing sheet; removing any scratches by polishing using a slurry including approximately 1 μm diamond polishing particles and the non-abrasive backside of a polishing sheet; and removing the first metal layer to a polyconductor layer by polishing using a colloidal slurry including approximately 0.25 μm diamond polishing particles.
    • 公开了均匀地延迟IC芯片的方法。 一个实施例包括:在包括其Al层的晶片上执行灰分并蚀刻Al层; 使用包含约30μm的抛光颗粒的浆料抛光晶片的边缘; 通过使用包含大约9μm的金刚石抛光颗粒和抛光片的非研磨背面的浆料进行抛光来去除铝层和至少一个金属层; 通过使用包含大约3μm的金刚石抛光颗粒和抛光片的非研磨背面的浆料进行抛光,将任何剩余的金属层除去到第一金属层; 通过使用包括大约1毫米金刚石抛光颗粒和抛光片的非研磨背面的浆料进行抛光来除去任何划痕; 并且通过使用包含大约0.25μm金刚石抛光颗粒的胶体浆料进行抛光将第一金属层去除到多导体层。
    • 10. 发明授权
    • Transcutaneous energy transfer device
    • 经皮能量转移装置
    • US5350413A
    • 1994-09-27
    • US734084
    • 1991-07-22
    • John A. Miller
    • John A. Miller
    • A61N1/372A61N1/378A61N1/02
    • A61N1/3787A61N1/37223
    • An improved transcutaneous energy transfer (TET) device comprises a primary winding for placement on or near a skin surface, and a secondary winding for implantation under said skin surface. A field effect transistor (FET) is arranged to switch said primary coil across an external DC power supply. A tuning capacitor is linked to said primary coil whereby said primary coil, when said FET is turned off, will resonate at its natural frequency thereby compensating for drift in component values and reducing power transfer sensitivity to component drift. In an alternative aspect of the invention, a bidirectional communications link is provided for the transfer of data across a boundary layer by infrared signals. A plurality of transmitters are arranged in a circular pattern on one side of the boundary layer, whereas a receiver is positioned within the circular pattern along the opposite side of the boundary layer.
    • 改进的经皮能量转移(TET)装置包括用于放置在皮肤表面上或附近的初级绕组和用于在所述皮肤表面下植入的次级绕组。 场效应晶体管(FET)被布置成通过外部DC电源来切换所述初级线圈。 调谐电容器连接到所述初级线圈,由此当所述FET截止时,所述初级线圈将以其固有频率谐振,从而补偿元件值中的漂移并降低对元件漂移的功率传递灵敏度。 在本发明的另一方面,提供双向通信链路,用于通过红外信号跨越边界层的数据传输。 多个发射器在边界层的一侧以圆形图案布置,而接收器沿着边界层的相对侧定位在圆形图案内。