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    • 3. 发明授权
    • Sensing device and method of leveling a semiconductor wafer
    • 半导体晶片调平装置及方法
    • US5944580A
    • 1999-08-31
    • US889476
    • 1997-07-08
    • Yong-Kwon KimJun-Yong Kim
    • Yong-Kwon KimJun-Yong Kim
    • B24B37/07B24B49/16H01L21/304H01L21/306B24B29/02
    • H01L21/02024B24B37/04B24B49/16
    • An improved sensing device and method for leveling a semiconductor wafer in a chemical mechanical polishing apparatus, which easily detects the change of pressure from a semiconductor wafer contacting with the polishing surface. The present invention includes a polishing platen having a polishing pad on the upper leveled surface thereof, and fixed to a rotatable platen driving shaft. A carrier is rotatably provided on the upper surface of the polishing platen and holding the semiconductor wafer such that the lower surface of the semiconductor wafer is uniformly contacted with the polishing pad. A pressure detecting sensor senses the pressure applied from the semiconductor wafer on the polishing pad and outputs a corresponding signal.
    • 一种用于在化学机械抛光装置中调平半导体晶片的改进的感测装置和方法,其容易地检测来自与抛光表面接触的半导体晶片的压力变化。 本发明包括具有在其上平面上的抛光垫并且固定到可旋转的压板驱动轴的抛光台板。 载体可旋转地设置在研磨台板的上表面上并保持半导体晶片,使得半导体晶片的下表面与抛光垫均匀地接触。 压力检测传感器感测从抛光垫上的半导体晶片施加的压力,并输出相应的信号。
    • 5. 发明授权
    • Chemical mechanical polishing apparatus for semiconductor wafer
    • 半导体晶圆化学机械抛光装置
    • US5707274A
    • 1998-01-13
    • US756559
    • 1996-11-26
    • Yong-Kwon KimYoung-Kwon Jun
    • Yong-Kwon KimYoung-Kwon Jun
    • B24B37/00B24B37/10B24B37/20B24B37/24B24B41/04H01L21/304B24B5/00
    • H01L21/02024B24B37/04B24B41/04
    • A chemical mechanical polishing apparatus for a semiconductor wafer which is capable of polishing uniformly the surface of the semiconductor wafer and of controlling the polishing amount by providing plurality of rotary drums each wrapped in a polishing cloth on the upper surface of a polishing pad and connecting supporters capable of vertical movement to both ends each rotary drum, and includes a rotatable polishing pad in the planar upper surface of which a plurality of recesses are formed for receiving a semiconductor wafer, a plurality of rotatable polishing units located on the polishing pad for planarizing the surface of the semiconductor wafers, a supporter connected at the endpoints of the rotational polishing units which can make a vertical movement, and a slurry applicator located above the rotational polishing units for putting a slurry thereon.
    • 一种用于半导体晶片的化学机械抛光装置,其能够均匀地研磨半导体晶片的表面,并且通过在抛光垫的上表面上设置多个旋转滚筒并将其包裹在研磨布上并连接支撑件 能够垂直移动到每个旋转鼓的两端,并且在其平面上表面中包括可旋转的抛光垫,其中形成有多个凹部用于接纳半导体晶片;多个可旋转的抛光单元,位于抛光垫上,用于将 半导体晶片的表面,连接在可以进行垂直运动的旋转抛光单元的端点处的支撑件,以及位于旋转抛光单元上方以在其上放置浆料的浆料施加器。