Gas Supplying unit and substrate processing apparatus
First Claim
1. A gas supplying unit to be arranged to hermetically fit in an opening formed at a ceiling part of a processing container for conducting a process to a substrate:
- the gas supplying unit comprising a plurality of nickel members, wherein a large number of gas-supplying holes is formed at a lower surface of the gas supplying unit, a process gas is adapted to be supplied from the large number of gas-supplying holes into the processing container, and the plurality of nickel members is fixed to each other via an intermediate member for preventing sticking made of a material different from nickel.
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Accused Products
Abstract
The invention relates to a gas supplying unit to be arranged to hermetically fit in an opening formed at a ceiling part of a processing container for conducting a process to a substrate. The gas supplying unit includes a plurality of nickel members. A large number of gas-supplying holes is formed at a lower surface of the gas supplying unit, a process gas is adapted to be supplied from the large number of gas-supplying holes into the processing container, and the plurality of nickel members is fixed to each other via an intermediate member for preventing sticking made of a material different from nickel.
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Citations
22 Claims
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1. A gas supplying unit to be arranged to hermetically fit in an opening formed at a ceiling part of a processing container for conducting a process to a substrate:
- the gas supplying unit comprising
a plurality of nickel members, wherein a large number of gas-supplying holes is formed at a lower surface of the gas supplying unit, a process gas is adapted to be supplied from the large number of gas-supplying holes into the processing container, and the plurality of nickel members is fixed to each other via an intermediate member for preventing sticking made of a material different from nickel. - View Dependent Claims (10, 12)
- the gas supplying unit comprising
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2. A gas supplying unit to be arranged to hermetically fit in an opening formed at a ceiling part of a processing container for conducting a process to a substrate:
- the gas supplying unit comprising
a shower-plate mainly consisting of nickel, a large number of gas-supplying holes being formed in the shower-plate, and a base member provided above the shower-plate in order to form a process-gas diffusion space between the base member and the shower-plate, wherein a portion of the base member opposite to the shower-plate is made mainly of nickel, and an upper surface of a peripheral portion of the shower-plate and a lower surface of a peripheral portion of the base member are hermetically fixed to each other via an intermediate member for preventing sticking made of a material different from nickel. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 11, 13)
- the gas supplying unit comprising
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14. A substrate processing apparatus comprising
a processing container whose ceiling part has an opening, a stage provided in the processing container, for placing a substrate thereon, a gas discharging unit for discharging a gas from the processing container, and a gas supplying unit arranged to hermetically fit in the opening of the ceiling part of the processing container, wherein the gas supplying unit comprises a plurality of nickel members, a large number of gas-supplying holes is formed at a lower surface of the gas supplying unit, a process gas is adapted to be supplied from the large number of gas-supplying holes into the processing container, and the plurality of nickel members is fixed to each other via an intermediate member for preventing sticking made of a material different from nickel.
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15. A substrate processing apparatus comprising
a processing container whose ceiling part has an opening, a stage provided in the processing container, for placing a substrate thereon, a gas discharging unit for discharging a gas from the processing container, and a gas supplying unit arranged to hermetically fit in the opening of the ceiling part of the processing container, wherein the gas supplying unit comprises: - a shower-plate mainly consisting of nickel, a large number of gas-supplying holes being formed in the shower-plate; and
a base member provided above the shower-plate in order to form a process-gas diffusion space between the base member and the shower-plate,a portion of the base member opposite to the shower-plate is made mainly of nickel, and an upper surface of a peripheral portion of the shower-plate and a lower surface of a peripheral portion of the base member are hermetically fixed to each other via an intermediate member for preventing sticking made of a material different from nickel. - View Dependent Claims (16, 17, 18, 22)
- a shower-plate mainly consisting of nickel, a large number of gas-supplying holes being formed in the shower-plate; and
Specification