Patent ID: 11908979
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  C | IPC H

Claim 11:
12. The method of claim 10, wherein the chelating agent comprises a di-thiol selected from the group consisting of 1-dithiols, 1,2-dithiols, and 1,3-dithiols, 1,2-benzene-dimethanethiol, 1,3-benzenedimethanethiol, 1,4-benzenedimethanethiol, 2,2′-(ethylenedioxy)diethanethiol, ethylene glycol bis-mercaptoacetate, tetra(ethylene glycol)dithiol, hexa(ethylene glycol)dithiol, 2,2′-thiodiethanethiol, and 1,16-hexadecanedithiol.