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Tuned tensile stress low resistivity slot contact structure for n-type transistor performance enhancement

机译:调谐拉伸应力低电阻率槽接触结构,用于增强n型晶体管的性能

摘要

A method for forming a slot contact structure for n-type transistor performance enhancement. A slot contact opening is formed to expose a contact region, and a barrier plug is disposed within a portion of the slot contact opening in order to induce a tensile stress on an adjacent channel region. The remainder of the slot contact opening is filled with a lower resistivity contact metal. Barrier plug deposition temperature can be varied in order to tune the tensile stress on the adjacent channel region.
机译:一种用于形成用于n型晶体管性能增强的缝隙接触结构的方法。形成槽接触开口以暴露接触区域,并且在该槽接触开口的一部分内设置阻挡塞,以便在相邻的沟道区域上引起拉应力。插槽接触孔的其余部分填充有较低电阻率的接触金属。可以改变阻挡塞的沉积温度,以便调节相邻通道区域上的拉伸应力。

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