Patent ID: 11901182
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A system for fabricating a metal oxide semiconductor field effect transistor (MOSFET) device, comprising:
a transfer chamber defining a transfer space;
an n-type metal oxide semiconductor (NMOS) chamber, a p-type metal oxide semiconductor (PMOS) chamber, a pre-clean chamber, a metal-silicide deposition chamber, and a plasma chamber, wherein each of the NMOS chamber, the PMOS chamber, the pre-clean chamber, the metal-silicide deposition chamber, and the plasma chamber is coupled to the transfer chamber, and the NMOS and PMOS chambers are each source-drain epitaxy chambers;
a transfer robot in the transfer space configured to access the transfer chamber, the NMOS chamber, the PMOS chamber, the pre-clean chamber, the metal-silicide deposition chamber, and the plasma chamber; and
a controller comprising instructions for device fabrication, wherein, when executed by a processor, the instructions cause the system to:
retrieve a substrate from the transfer chamber;
dispose the substrate in the NMOS chamber, the PMOS chamber, or the plasma chamber;
form a seed layer on the substrate, wherein the seed layer comprises a doped silicon layer from 1 nm to 5 nm thick;
pre-soak the substrate in one or more precursor sources;
transfer the substrate into the metal-silicide deposition chamber; and
subsequently, form, by chemical vapor deposition, a metal-silicide layer on the seed layer, wherein forming the metal-silicide layer consumes a first portion of the seed layer, and wherein a second portion of the seed layer remains on the substrate after forming the metal-silicide layer.