Multi-channel gas-delivery system
First Claim
Patent Images
1. A reactor, comprising:
- a chamber;
a gas nozzle positioned on a first side of the chamber; and
a gas-delivery system configured to deliver reaction gases to the chamber via the gas nozzle, and wherein the gas-delivery system comprises;
a main gas-inlet port for receiving the reaction gases;
an elongated gas-delivery plate comprising a plurality of gas channels aligned along a length of the elongated gas-delivery plate, wherein the plurality of gas channels comprise two separate edge gas channels positioned near opposite ends of the elongated gas-delivery plate; and
a plurality of sub-gas lines respectively coupled to the plurality of gas channels, wherein the two edge gas channels are coupled to two separate sub-gas lines from the plurality of sub-gas lines, wherein each sub-gas line is configured to deliver a portion of the received reaction gases to the chamber through a plurality of gas holes belonging to a coupled gas channel, and wherein each sub-gas line is coupled to a flow control valve configured to individually control a gas flow rate within the sub-gas line, thereby facilitating the reaction gases to flow into the chamber uniformly across a horizontal plane.
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Abstract
One embodiment of the present invention provides a gas-delivery system for delivering reaction gas to a reactor chamber. The gas-delivery system includes a main gas-inlet port for receiving reaction gases and a gas-delivery plate that includes a plurality of gas channels. A gas channel includes a plurality of gas holes for allowing the reaction gases to enter the reactor chamber from the gas channel. The gas-delivery system further includes a plurality of sub-gas lines coupling together the main gas-inlet port and the gas-delivery plate, and a respective sub-gas line is configured to deliver a portion of the received reaction gases to a corresponding gas channel.
156 Citations
17 Claims
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1. A reactor, comprising:
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a chamber; a gas nozzle positioned on a first side of the chamber; and a gas-delivery system configured to deliver reaction gases to the chamber via the gas nozzle, and wherein the gas-delivery system comprises; a main gas-inlet port for receiving the reaction gases; an elongated gas-delivery plate comprising a plurality of gas channels aligned along a length of the elongated gas-delivery plate, wherein the plurality of gas channels comprise two separate edge gas channels positioned near opposite ends of the elongated gas-delivery plate; and a plurality of sub-gas lines respectively coupled to the plurality of gas channels, wherein the two edge gas channels are coupled to two separate sub-gas lines from the plurality of sub-gas lines, wherein each sub-gas line is configured to deliver a portion of the received reaction gases to the chamber through a plurality of gas holes belonging to a coupled gas channel, and wherein each sub-gas line is coupled to a flow control valve configured to individually control a gas flow rate within the sub-gas line, thereby facilitating the reaction gases to flow into the chamber uniformly across a horizontal plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A material-deposition system, comprising:
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a chamber; and an elongated gas-delivery plate positioned near a first side of the chamber, wherein the elongated gas-delivery plate comprises a plurality of gas channels aligned along a length of the elongated gas-delivery plate, wherein the plurality of gas channels comprise two separate edge gas channels positioned near opposite ends of the elongated gas-delivery plate; a gas-inlet port positioned near the first side of the elongated gas- delivery plate and configured to receive reaction gases; a plurality of sub-gas lines coupled between the plurality of gas channels and the gas-inlet port, wherein the two edge gas channels are coupled to two separate sub-gas lines from the plurality of sub-gas lines, wherein each sub-gas line is configured to deliver a portion of the received reaction gases to the chamber through a plurality of gas holes belonging to a coupled gas channel, and wherein each sub-gas line is coupled to a flow control valve configured to individually control a gas flow rate within the sub-gas line, thereby facilitating the reaction gases to flow into the chamber uniformly across a horizontal plane. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification