Chemical vapor deposition apparatus
First Claim
1. A chemical vapor deposition apparatus comprising:
- a reaction chamber;
a susceptor that is provided in the reaction chamber and has a plurality of wafers mounted thereon;
a rotation driving unit that rotates the susceptor;
a gas inlet that is provided in the reaction chamber and introduces reaction gas into the reaction chamber from the outside of the reaction chamber;
a gas outlet that is provided in the reaction chamber and discharges the reaction gas, of which the reaction is finished, from the inside of the reaction chamber along the rotation-axis direction of the susceptor; and
a variable gas-flow adjusting unit that is provided between the gas inlet and the gas outlet within the reaction chamber and is formed by superimposing a plurality of gas jetting plates having a plurality of holes, wherein the plurality of jetting plates are rings arranged in a concentric formation.
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Accused Products
Abstract
Provided is a chemical vapor deposition apparatus including a reaction chamber; a susceptor that is provided in the reaction chamber and has a plurality of wafers mounted thereon; a rotation driving unit that rotates the susceptor; a gas inlet that is provided in the reaction chamber and introduces reaction gas into the reaction chamber from the outside of the reaction chamber; a gas outlet that is provided in the reaction chamber and discharges the reaction gas, of which the reaction is finished, from the inside of the reaction chamber along the rotation-axis direction of the susceptor; and a variable gas-flow adjusting unit that is provided between the gas inlet and the gas outlet and is formed by superimposing a plurality of gas jetting plates having a plurality of holes.
454 Citations
11 Claims
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1. A chemical vapor deposition apparatus comprising:
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a reaction chamber; a susceptor that is provided in the reaction chamber and has a plurality of wafers mounted thereon; a rotation driving unit that rotates the susceptor; a gas inlet that is provided in the reaction chamber and introduces reaction gas into the reaction chamber from the outside of the reaction chamber; a gas outlet that is provided in the reaction chamber and discharges the reaction gas, of which the reaction is finished, from the inside of the reaction chamber along the rotation-axis direction of the susceptor; and a variable gas-flow adjusting unit that is provided between the gas inlet and the gas outlet within the reaction chamber and is formed by superimposing a plurality of gas jetting plates having a plurality of holes, wherein the plurality of jetting plates are rings arranged in a concentric formation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification