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发明名称
逐层电化学镀制程;LAYER BY LAYER ELECTRO CHEMICAL PLATING (ECP) PROCESS
摘要
本发明系关于一种电化学镀制程,其提供一等向性沉积,及一相关设备。在实施例中,藉由提供一基材于一电镀溶液中进行电化学镀制程,且电镀溶液包含复数个欲沉积材料的离子。施加一周期性图形讯号至基材,周期性图形讯号在一第一数値及一相异的第二数値之间交替变化。当周期性图形讯号在第一数値时,一个以上的离子从电镀溶液附着于基材。当周期性图形讯号在第二数値时,一个以上的离子从电镀溶液不附着于基材。藉由使用周期性图形讯号进行电化学镀制程,以降低电镀制程的沉积速率,产生一等向性沉积在基材上,以减缓填洞问题。
申请公布号
TW201433662
申请公布日期
2014.09.01
申请号
TW102116903
申请日期
2013.05.13
申请人
台湾积体电路制造股份有限公司
发明人
林思宏;杨棋铭
分类号
C25D5/10(2006.01);C25D5/18(2006.01);C25D7/12(2006.01)
主分类号
C25D5/10(2006.01)
代理机构
代理人
<name>蔡坤财</name><name>李世章</name>
主权项
地址
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 新竹市新竹科学工业园区力行六路8号
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