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    • 9. 发明授权
    • Fabrication method of an interconnect
    • 互连的制造方法
    • US6165895A
    • 2000-12-26
    • US344865
    • 1999-06-28
    • Jy-Hwang Lin
    • Jy-Hwang Lin
    • H01L21/027H01L21/768H01L21/4763
    • H01L21/76885H01L21/0276H01L21/76801H01L21/76832H01L21/76834H01L21/76897
    • A method of fabricating an interconnect is described in which a conductive layer, an anti-reflection layer and a cover layer are sequentially formed on the substrate to form a conductive plug with its bottom situated in the anti-reflection layer. The cover layer and a portion of the anti-reflection layer and the conductive layer are remove to form an opening exposing the substrate and to define the conductive lining structures. A conformal polysilicon oxide layer is formed on the substrate and a first dielectric layer is also formed, filling the opening. A conformal isolation layer is then formed on the substrate, followed by forming a second dielectric layer covering the entire substrate. A planarization procedure is further conducted to expose the conductive plug.
    • 描述了制造互连的方法,其中在衬底上依次形成导电层,抗反射层和覆盖层,以形成其底部位于抗反射层中的导电插塞。 去除覆盖层和防反射层和导电层的一部分以形成露出衬底并限定导电衬里结构的开口。 在基板上形成保形多晶硅氧化物层,并且还形成填充开口的第一介电层。 然后在衬底上形成保形隔离层,随后形成覆盖整个衬底的第二介电层。 进一步进行平面化处理以暴露导电插塞。