公开(公告)号：US08709939B2

公开(公告)日：2014-04-29

申请号：US13633562

申请日：2012-10-02

申请人： Semiconductor Technology Academic Research Center ,  National University Corporation Tohoku University

发明人： Junichi Koike ,  Yoshito Fujii ,  Jun Iijima ,  Noriyoshi Shimizu ,  Kazuyoshi Maekawa ,  Koji Arita ,  Ryotaro Yagi ,  Masaki Yoshimaru

IPC分类号： H01L21/4763

CPC分类号： H01L21/76853 ,  H01L21/288 ,  H01L21/76834 ,  H01L21/76849 ,  H01L21/76856 ,  H01L21/76861 ,  H01L23/53238 ,  H01L23/53295 ,  H01L2924/0002 ,  H01L2924/00

摘要： A multilevel interconnect structure in a semiconductor device and methods for fabricating the same are described. The multilevel interconnect structure in the semiconductor device includes a first insulating layer formed on a semiconductor wafer, a Cu interconnect layer formed on the first insulating layer, a second insulating layer formed on the Cu interconnect layer, and a metal oxide layer formed at an interface between the Cu interconnect layer and the second insulating layer. The metal oxide layer is formed by immersion-plating a metal, such as Sn or Zn, on the Cu interconnect layer and then heat-treating the plated layer in an oxidizing atmosphere.

摘要翻译： 描述了半导体器件中的多层互连结构及其制造方法。 半导体器件中的多层互连结构包括形成在半导体晶片上的第一绝缘层，形成在第一绝缘层上的Cu互连层，形成在Cu互连层上的第二绝缘层和形成在界面处的金属氧化物层 在Cu互连层和第二绝缘层之间。 金属氧化物层通过在Cu互连层上浸渍诸如Sn或Zn的金属，然后在氧化气氛中对镀层进行热处理而形成。

公开(公告)号：US20130089979A1

公开(公告)日：2013-04-11

申请号：US13633562

申请日：2012-10-02

申请人： Semiconductor Technology Academic Research ,  National University Corporation Tohoku University

发明人： Junichi KOIKE ,  Yoshito Fujii ,  Jun Iijima ,  Noriyoshi Shimizu ,  Kazuyoshi Maekawa ,  Koji Arita ,  Ryotaro Yagi ,  Masaki Yoshimaru

IPC分类号： H01L21/768

CPC分类号： H01L21/76853 ,  H01L21/288 ,  H01L21/76834 ,  H01L21/76849 ,  H01L21/76856 ,  H01L21/76861 ,  H01L23/53238 ,  H01L23/53295 ,  H01L2924/0002 ,  H01L2924/00

摘要： A multilevel interconnect structure in a semiconductor device and methods for fabricating the same are described. The multilevel interconnect structure in the semiconductor device includes a first insulating layer formed on a semiconductor wafer, a Cu interconnect layer formed on the first insulating layer, a second insulating layer formed on the Cu interconnect layer, and a metal oxide layer formed at an interface between the Cu interconnect layer and the second insulating layer. The metal oxide layer is formed by immersion-plating a metal, such as Sn or Zn, on the Cu interconnect layer and then heat-treating the plated layer in an oxidizing atmosphere.

摘要翻译： 描述了半导体器件中的多层互连结构及其制造方法。 半导体器件中的多层互连结构包括形成在半导体晶片上的第一绝缘层，形成在第一绝缘层上的Cu互连层，形成在Cu互连层上的第二绝缘层和形成在界面处的金属氧化物层 在Cu互连层和第二绝缘层之间。 金属氧化物层通过在Cu互连层上浸渍诸如Sn或Zn的金属，然后在氧化气氛中对镀层进行热处理而形成。