Patent ID: 11908751
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method of claim 3, wherein exposing the liner material to trisilylamine, oxygen gas, and ammonia comprises:
placing the substrate in a deposition chamber;
dispensing trisilylamine in the deposition chamber at a first flow rate in a range of 900 sccm to 1410 sccm;
dispensing oxygen gas in the deposition chamber at a second flow rate in a range of 10 sccm to 100 sccm; and
dispensing ammonia in the deposition chamber at a third flow rate in a range of 20 sccm to 100 sccm,
wherein a ratio of the first flow rate to the third flow rate is at least 10.