发明名称 METHODS FOR FORMING COBALT-COPPER SELECTIVE FILL FOR AN INTERCONNECT
摘要 Methods for processing a substrate include: (a) depositing a cobalt layer to a first thickness within a first plurality of features and a second plurality of features formed in a substrate, wherein each of the first plurality of features and each of the second plurality of features comprises an opening, and wherein a width of the openings of the first plurality of features is less than a width of the openings of the second plurality of features; and (b) heating the substrate to a first temperature to fill the first plurality of features with cobalt material while simultaneously depositing a fill material on the substrate to fill the second plurality of features.
申请公布号 US2016240432(A1) 申请公布日期 2016.08.18
申请号 US201615019587 申请日期 2016.02.09
申请人 APPLIED MATERIALS, INC. 发明人 TAO RONG;HA TAE HONG;TANG XIANMIN;LEE JOUNG JOO
分类号 H01L21/768;H01L21/285 主分类号 H01L21/768
代理机构 代理人
主权项 1. A method of processing a substrate, comprising: (a) depositing a cobalt layer to a first thickness within a first plurality of features and a second plurality of features formed in a substrate, wherein each of the first plurality of features and each of the second plurality of features comprises an opening, and wherein a width of the openings of the first plurality of features is less than a width of the openings of the second plurality of features; and (b) heating the substrate to a first temperature to fill the first plurality of features with cobalt material while simultaneously depositing a fill material on the substrate to fill the second plurality of features.
地址 Santa Clara CA US