发明名称 Method of supplying cobalt to recess
摘要 A method of supplying cobalt to a recess formed in an insulation film of an object to be processed is disclosed. In one embodiment, the method includes forming a cobalt nitride film on a surface of the insulation film comprising a surface defining the recess, forming a cobalt film on the cobalt nitride film, and heating the cobalt film.
申请公布号 US9362167(B2) 申请公布日期 2016.06.07
申请号 US201514620886 申请日期 2015.02.12
申请人 TOKYO ELECTRON LIMITED 发明人 Shimada Atsushi;Furukawa Shinji;Hatano Tatsuo
分类号 H01L21/20;H01L21/768;H01L21/285 主分类号 H01L21/20
代理机构 Nath, Goldberg & Meyer 代理人 Nath, Goldberg & Meyer ;Meyer Jerald L.
主权项 1. A method of supplying cobalt to a recess formed in an insulation film of an object to be processed, comprising: forming a cobalt nitride film on a surface of the insulation film comprising a surface defining the recess; forming a cobalt film on the cobalt nitride film; and flowing cobalt making up the cobalt film toward a bottom of the recess by heating the object to be processed so as to fill the recess with cobalt from the bottom of the recess.
地址 Tokyo JP