Patent ID: 11959172
Assignee: LAM RESEARCH CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A gas delivery system for a substrate processing system, comprising:
a 2-port valve including:
a first port and a second port; and
a first valve located between the first port and the second port;

a 4-port valve including:
a first port, a second port, a third port and a fourth port;
a first node connected to the first port and the second port;
a bypass path located between the third port and the fourth port;
a second node located along the bypass path between the third port and the fourth port; and
a second valve located between the first node and the second node;

a manifold block defining gas flow channels:
configured to connect the first port of the 4-port valve to a first inlet;
configured to connect the second port of the 4-port valve to the first port of the 2-port valve;
configured to connect the third port of the 4-port valve to a second inlet;
configured to connect the second port of the 2-port valve to a first outlet; and
configured to connect the fourth port of the 4-port valve to a second outlet;
wherein the second port of the 4-port valve connects at the first node at an angle between 60 and 120 degrees relative to the first port of the 4-port valve.