发明名称 DIELECTRIC FORMATION
摘要 Among other things, one or more techniques for forming a low k dielectric around a metal line during an integrated circuit (IC) fabrication process are provided. In an embodiment, a metal line is formed prior to forming a surrounding low k dielectric layer around the metal line. In an embodiment, the metal line is formed by filling a trench space in a skeleton layer with metal. In this embodiment, the skeleton layer is removed to form a dielectric space in a different location than the trench space. The dielectric space is then filled with a low k dielectric material to form a surrounding low k dielectric layer around the metal line. In this manner, damage to the surrounding low k dielectric layer, that would otherwise occur if the surrounding low k dielectric layer was etched, for example, is mitigated.
申请公布号 US2014065816(A1) 申请公布日期 2014.03.06
申请号 US201213600504 申请日期 2012.08.31
申请人 TSAI TSUNG-JUNG;YAO HSIN-CHIEH;HUANG CHIEN-HUA;LEE CHUNG-JU;TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED 发明人 TSAI TSUNG-JUNG;YAO HSIN-CHIEH;HUANG CHIEN-HUA;LEE CHUNG-JU
分类号 H01L21/768 主分类号 H01L21/768
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