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    • 91. 发明授权
    • Semiconductor device and method of making same
    • 半导体器件及其制造方法
    • US06448629B2
    • 2002-09-10
    • US09354742
    • 1999-07-29
    • Rebecca D. MihKevin S. Petrarca
    • Rebecca D. MihKevin S. Petrarca
    • H01L2906
    • H01L21/0332H01L21/76224H01L21/7684
    • A second or cap dielectric layer is interposed between the usual or base dielectric layer and the metallic circuitry layer of a semiconductor device. The base dielectric layer has a plurality of recesses in an inactive part of the semiconductor device into which parts of the cap dielectric layer extend to interlock the cap dielectric layer to the base dielectric layer and to oppose shearing or tearing of the either (1) the metallic circuitry layer as the metallic circuitry layer is subjected to chemical-mechanical polishing, or (2) a hard mask layer from the base dielectric layer as the metallic circuitry layer is subjected to chemical-mechanical polishing.
    • 第二或盖电介质层介于通常的或基底电介质层与半导体器件的金属电路层之间。 基极电介质层在半导体器件的非活性部分中具有多个凹部,盖电介质层的部分延伸以将盖电介质层与基底电介质层互锁,并且相对于(1)的剪切或撕裂 金属电路层作为金属电路层进行化学机械抛光,或(2)当金属电路层进行化学机械抛光时,从基极介电层获得硬掩模层。