有机添加剂对铜互连线脉冲电镀的影响 关键词:铜互连;添加剂;脉冲电镀;粗糙度;极化 [gap=960]Key words:Cu interconnect;additives;pulse electroplating;roughness;polarization
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Sidewalls serving as nucleation sites for (111) grain growth, (111) texture of deposited Cu interconnects is weaker comparing with the blanket films. (111) texture of the Cu interconnect after annealing at 300℃ for 30min are strengthened.
利用XRD和EBSD测量了铜互连线的晶体学取向,沉积态铜互连线的(111)织构明显弱于沉积态铜膜;300℃、30min退火后,铜互连线 (111)织构增强;Cu晶粒明显长大和应变能最小化使得铜互连线和铜膜分别经过较高温度400℃和450℃、1h退火后,(111)织构并未发展。
参考来源 - ULSI铜互连线微结构与应力及其对电徙动影响的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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