Patent ID: 11885008
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 9:
10. A gas injector for use in a physical vapor deposition (PVD) chamber, comprising:
a gas delivery member; and
a gas channel disposed entirely within and extending through the gas delivery member, and the gas channel comprises:
a first portion leading to a first gas outlet of the gas delivery member, the first portion having a first diameter; and
a second portion has a first end fluidly connected to the first portion and a second end leading to a second gas outlet of the gas delivery member, the second portion having a second diameter different than the first diameter, wherein the second portion is branched off from the first portion and disposed at an angle with respect to the first portion, and the gas delivery member is operable to rotate about a longitudinal center axis of the gas delivery member.