Abstract: A multi-layered metal line of a semiconductor device and a process of forming the same are described. The multi-layered metal line includes a lower metal line formed on a semiconductor substrate. An insulation layer is subsequently formed on the semiconductor substrate including the lower metal line and has an upper metal line forming region that exposes a portion of the lower metal line. A diffusion barrier formed on a surface of the upper metal line forming region of the insulation layer. The diffusion barrier includes a W—B—N ternary layer. An upper metal line is finally formed on the diffusion barrier to fill the upper metal line forming region of the insulation layer.

Abstract: A metal line includes a lower metal line formed on a semiconductor substrate. An insulation layer is formed on the semiconductor substrate having the lower metal line, and a metal line forming region exposing at least a portion of the lower metal line is defined in the insulation layer. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer and includes a WNx layer, a W-N-B ternary layer, and a Ti-N-B ternary layer. A wetting layer is formed on the diffusion barrier and is made of one of a Ti layer or a TiN layer. An upper metal line is formed on the wetting layer to fill the metal line forming region of the insulation layer.

Abstract: A metal line having a multi-layered diffusion layer in a resultant semiconductor device is presented along with corresponding methods of forming the same. The metal line includes an insulation layer, a multi-layered diffusion barrier, and a metal layer. The insulation layer is formed on a semiconductor substrate and has a metal line forming region. The multi-layered diffusion barrier is formed on a surface of the metal line forming region defined in the insulation layer. The diffusion barrier includes a VB2 layer, a CrV layer and a Cr layer. The metal layer is formed on the diffusion barrier which substantially fills in the metal line forming region of the insulation layer to eventually form the metal line.

Abstract: A metal line of a semiconductor device having a diffusion barrier including CrxBy and a method for forming the same is described. The metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate. The insulation layer is formed having a metal line forming region. A diffusion barrier including a CrxBy layer is subsequently formed on the surface of the metal line forming region and the insulation layer. A metal line is finally formed to fill the metal line forming region of the insulation layer on the diffusion barrier including a CrxBy layer.

Abstract: A multi-layered metal line of a semiconductor device includes a semiconductor substrate; a lower metal line formed on the semiconductor substrate and recessed on a surface thereof; an insulation layer formed on the semiconductor substrate including the lower metal line and having a damascene pattern for exposing a recessed portion of the lower metal line and for delimiting an upper metal line forming region; a glue layer formed on a surface of the recessed portion of the lower metal line; a first diffusion barrier formed on the glue layer to fill the recessed portion of the lower metal line; a second diffusion barrier formed on the glue layer and the first diffusion barrier; a third diffusion barrier formed on the second diffusion barrier and a surface of the damascene pattern; and an upper metal line formed on the third diffusion barrier to fill the damascene pattern.

Abstract: A metal line includes a lower metal line formed on a semiconductor substrate. An insulation layer is formed on the semiconductor substrate having the lower metal line, and a metal line forming region exposing at least a portion of the lower metal line is defined in the insulation layer. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer and includes a WNx layer, a W—N—B ternary layer, and a Ti—N—B ternary layer. A wetting layer is formed on the diffusion barrier and is made of one of a Ti layer or a TiN layer. An upper metal line is formed on the wetting layer to fill the metal line forming region of the insulation layer.

Abstract: A method for manufacturing a semiconductor device includes forming an insulation layer having a contact hole on a semiconductor substrate. A metal silicide layer is deposited on a surface of the contact hole and the insulation layer to have a concentration gradient that changes from a silicon-rich composition to a metal-rich composition, with the lower portion of the metal silicide layer having the silicon-rich composition and the upper portion of the metal silicide layer having the metal-rich composition. The metal silicide layer is then annealed so that the compositions of metal and silicon in the metal silicide layer become uniform.

Abstract: A metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate and a metal line forming region is formed in the insulation layer. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer, and the diffusion layer has a multi-layered structure of an Ru layer, an RuxOy layer, an IrxOy layer, and a Ti layer. A metal layer is formed on the diffusion barrier to fill the metal line forming region of the insulation layer.

Abstract: A multi-layer metal wiring of a semiconductor device and a method for forming the same are disclosed. The multi-layer metal wiring of the semiconductor device includes a lower Cu wiring, and an upper Al wiring formed to be contacted with the lower Cu wiring, and a diffusion barrier layer interposed between the lower Cu wiring and the upper Al wiring. The diffusion barrier layer is formed of a W-based layer.

Abstract: A metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate and having a metal line forming region. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer. The diffusion barrier has a multi-layered structure of a V layer, a VxNy layer and a VxNyOz layer. A metal layer is formed on the diffusion barrier to fill the metal line forming region of the insulation layer.

Abstract: A metal line of a semiconductor device having a diffusion barrier including CrxBy and a method for forming the same is described. The metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate. The insulation layer is formed having a metal line forming region. A diffusion barrier including a CrxBy layer is subsequently formed on the surface of the metal line forming region and the insulation layer. A metal line is finally formed to fill the metal line forming region of the insulation layer on the diffusion barrier including a CrxBy layer.

Abstract: An insulation layer is formed on a semiconductor substrate so as to define a metal line forming region. A diffusion barrier having a multi-layered structure of an Mox1Si1-x1 layer, an Mox2Siy2Nz2 layer, and an Moy3N1-y3 layer is formed on a surface of the metal line forming region. A metal layer is formed on the diffusion barrier so as to fill the metal line forming region of the insulation layer.

Abstract: A metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate. The insulation layer has a metal line forming region. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer. The diffusion barrier includes a multi-layered structure that includes an MoB2 layer, an MoxByNz layer and an Mo layer. A metal layer is formed on the diffusion barrier to fill the metal line forming region of the insulation layer.

Abstract: A metal line having a multi-layered diffusion layer in a resultant semiconductor device is presented along with corresponding methods of forming the same. The metal line includes an insulation layer, a multi-layered diffusion barrier, and a metal layer. The insulation layer is formed on a semiconductor substrate and has a metal line forming region. The multi-layered diffusion barrier is formed on a surface of the metal line forming region defined in the insulation layer. The diffusion barrier includes a VB2 layer, a CrV layer and a Cr layer. The metal layer is formed on the diffusion barrier which substantially fills in the metal line forming region of the insulation layer to eventually form the metal line.

Abstract: A metal line having a MoxSiy/Mo diffusion barrier of a semiconductor device and corresponding methods of fabricating the same are presented. The metal line includes an insulation layer, a diffusion barrier, and a metal layer. The insulation layer is formed on a semiconductor substrate and has a metal line forming region. The diffusion barrier is formed on a surface of the metal line forming region of the insulation layer and has a stack structure composed of a MoxSiy layer and a Mo layer. The metal layer is formed on the diffusion barrier which fills in the metal line forming region of the insulation layer.

Abstract: A multi-layered metal line of a semiconductor device includes a semiconductor substrate; a lower metal line formed on the semiconductor substrate and recessed on a surface thereof; an insulation layer formed on the semiconductor substrate including the lower metal line and having a damascene pattern for exposing a recessed portion of the lower metal line and for delimiting an upper metal line forming region; a glue layer formed on a surface of the recessed portion of the lower metal line; a first diffusion barrier formed on the glue layer to fill the recessed portion of the lower metal line; a second diffusion barrier formed on the glue layer and the first diffusion barrier; a third diffusion barrier formed on the second diffusion barrier and a surface of the damascene pattern; and an upper metal line formed on the third diffusion barrier to fill the damascene pattern.

Abstract: An electrical conductor having a multilayer diffusion barrier of use in a resultant semiconductor device is presented. The electrical conductor line includes an insulation layer, a diffusion barrier, and a metal line. The insulation layer is formed on a semiconductor substrate and having a metal line forming region. The diffusion barrier is formed on a surface of the metal line forming region of the insulation layer and has a multi-layered structure made of TaN layer, an MoxOy layer and an Mo layer. The metal line is formed on the diffusion barrier to fill the metal line forming region of the insulation layer.

Abstract: A metal line of a semiconductor device having a diffusion barrier including CrxBy and a method for forming the same is described. The metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate. The insulation layer is formed having a metal line forming region. A diffusion barrier including a CrxBy layer is subsequently formed on the surface of the metal line forming region and the insulation layer. A metal line is finally formed to fill the metal line forming region of the insulation layer on the diffusion barrier including a CrxBy layer.

Abstract: A multi-layered metal line of a semiconductor device includes a semiconductor substrate; a lower metal line formed on the semiconductor substrate and recessed on a surface thereof; an insulation layer formed on the semiconductor substrate including the lower metal line and having a damascene pattern for exposing a recessed portion of the lower metal line and for delimiting an upper metal line forming region; a glue layer formed on a surface of the recessed portion of the lower metal line; a first diffusion barrier formed on the glue layer to fill the recessed portion of the lower metal line; a second diffusion barrier formed on the glue layer and the first diffusion barrier; a third diffusion barrier formed on the second diffusion barrier and a surface of the damascene pattern; and an upper metal line formed on the third diffusion barrier to fill the damascene pattern.

Abstract: A metal line of a semiconductor device includes an insulation layer formed on a semiconductor substrate and a metal line forming region is formed in the insulation layer. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer, and the diffusion layer has a multi-layered structure of an Ru layer, an RuxOy layer, an IrxOy layer, and a Ti layer. A metal layer is formed on the diffusion barrier to fill the metal line forming region of the insulation layer.