Patent ID: 11862567
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 15:
16. A method of forming a contact to a semiconductor device comprising:
depositing a titanium layer having an angstrom scale thickness in contact with a Ni(Pt)—Ti—Al alloy with Si or SiGe;
forming an aluminum containing fill on the titanium layer;
forming a metal nitride layer and metal containing contact completing a material stack beginning with the nickel platinum semiconductor alloy; and
applying a second anneal after at least said depositing the titanium layer to the material stack to provide a contact alloy including a semiconductor element from the contact surface of the semiconductor device, wherein the contact alloy is (AlxSi1-x)7Ni3.