Abstract:
A transistor device includes a substrate; a source region and a drain region formed over the substrate; and a source/drain contact formed in contact with at least one of the source region and the drain region, the source/drain contact including a conductive metal and a bilayer disposed between the conductive metal and the at least one of the source and drain region, the bilayer including a metal oxide layer in contact with the conductive metal, and a silicon dioxide layer in contact with the at least one of the source and drain region.
Abstract:
A method for forming gate cuts during RMG processing and the resulting device are provided. Embodiments include forming Si fins over a substrate; forming a STI layer over the substrate and recessed, exposing upper portions of the Si fins; forming polysilicon dummy gate electrodes perpendicular to the Si fins, separated by STI regions, on the upper portions of the Si fins and on the STI layer between the Si fins; forming a hardmask over the polysilicon dummy gate electrodes; etching through the hardmask and polysilicon dummy gate electrodes forming cavities between some of the Si fins; oxidizing polysilicon exposed on sides of the cavities and any residual polysilicon remaining at a bottom of one or more of the cavities; filling the cavities with SiN; removing the polysilicon dummy gate electrodes; and forming RMGs.
Abstract:
A transistor device includes a substrate; a source region and a drain region formed over the substrate; and a source/drain contact formed in contact with at least one of the source region and the drain region, the source/drain contact including a conductive metal and a bilayer disposed between the conductive metal and the at least one of the source and drain region, the bilayer including a metal oxide layer in contact with the conductive metal, and a silicon dioxide layer in contact with the at least one of the source and drain region.
Abstract:
A transistor device includes a substrate; a source region and a drain region formed over the substrate; and a source/drain contact formed in contact with at least one of the source region and the drain region, the source/drain contact including a conductive metal and a bilayer disposed between the conductive metal and the at least one of the source and drain region, the bilayer including a metal oxide layer in contact with the conductive metal, and a silicon dioxide layer in contact with the at least one of the source and drain region.
Abstract:
A transistor device includes a substrate; a source region and a drain region formed over the substrate; and a source/drain contact formed in contact with at least one of the source region and the drain region, the source/drain contact including a conductive metal and a bilayer disposed between the conductive metal and the at least one of the source and drain region, the bilayer including a metal oxide layer in contact with the conductive metal, and a silicon dioxide layer in contact with the at least one of the source and drain region.