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    • 9. 发明授权
    • Method for manufacturing a semiconductor device including storage nodes of capacitor
    • 用于制造包括电容器的存储节点的半导体器件的方法
    • US06656790B2
    • 2003-12-02
    • US10078885
    • 2002-02-19
    • Se-myeong JangKi-nam KimHong-sik JeongYoo-sang Hwang
    • Se-myeong JangKi-nam KimHong-sik JeongYoo-sang Hwang
    • H01L218242
    • H01L27/10855H01L21/76895H01L21/76897H01L27/10814H01L28/91
    • A semiconductor device including storage nodes of a capacitor and a method for manufacturing the same are provided. Bit lines are formed on a semiconductor substrate, and protection layers are formed to cover and protect the bit lines. Conductive contact pads are formed between the bit lines and are level with the top surfaces of the protection layers. A node supporting layer is formed to cover the conductive contact pads and the protection layers. An etching stopper is formed on the node supporting layer. The mold layer, the etching stopper, and the node supporting layer are patterned, thereby forming opening holes exposing the conductive pads. Storage nodes are formed in the opening holes and have the shape of the profile of the opening holes. The mold layer exposed by the storage nodes is removed, thereby exposing the outer wall of each of the storage nodes positioned above the etching stopper.
    • 提供了包括电容器的存储节点的半导体器件及其制造方法。 位线形成在半导体衬底上,形成保护层以覆盖并保护位线。 导电接触焊盘形成在位线之间并与保护层的顶表面平齐。 形成节点支撑层以覆盖导电接触焊盘和保护层。 在节点支撑层上形成蚀刻止挡件。 模塑层,蚀刻阻挡层和节点支撑层被图案化,从而形成露出导电焊盘的开孔。 存储节点形成在开孔中并且具有开孔的轮廓的形状。 由存储节点露出的模具层被去除,从而暴露位于蚀刻停止器上方的每个存储节点的外壁。