Patent ID: 9410247
Filing Date: 2016-08-09
CPC Classification: C23C,H01L

Claim Text:
1. A chemical vapor deposition apparatus comprising: a reaction chamber having a reaction space therein; a wafer boat disposed in the reaction space, the wafer boat arranged and structured to support a plurality of wafers such that the plurality of wafers are spaced apart from each other in a vertical direction in the reaction space; and a gas supplying part disposed in the reaction chamber to supply one or more reaction gases to the plurality of wafers, the gas supplying part comprising: wherein the reaction chamber includes a plurality of spraying holes formed in an upper surface thereof to supply ambient gas from outside into the reaction space; and wherein the reaction chamber further includes a gate part formed on the upper surface of the reaction chamber to open or close the plurality of spraying holes to adjust a flux of the ambient gas supplied through the plurality of spraying holes.