Patent ID: 9145609
Filing Date: 2015-09-29
Classification: C23C

Abstract:
1. A lateral flow atomic layer deposition device in which gases flow substantially in parallel with a substrate in a reaction space formed between a substrate and an opposite side facing the substrate, comprising: a reactor cover for defining a reaction space together with a substrate supporting plate for supporting the substrate; a gas inlet unit penetrating the reactor cover and having an internal shape that becomes progressively wider when approaching the substrate supporting plate in a vertical direction with respect to a top surface of the substrate supporting plate; a gas outlet unit penetrating the reactor cover, and having an internal shape that becomes progressively wider when approaching the substrate supporting plate in a vertical direction with respect to a top surface of the substrate supporting plate; a gas inlet connected to the gas inlet unit; and a gas outlet connected to the gas outlet unit, wherein a horizontal cross-section of the gas inlet unit at an uppermost portion has a shape of a circle, a horizontal cross-section of the gas inlet unit at a lowermost portion has a shape of an arc band, and horizontal cross-sections of the gas inlet unit between the uppermost portion and the lowermost portion are gradually changed from the circle to the arc band, wherein a horizontal cross-section of the gas outlet unit at an uppermost portion has a shape of a circle, a horizontal cross-section of the gas outlet unit at a lowermost portion has a shape of an arc band, and horizontal cross-sections of the gas outlet unit between the uppermost portion and the lowermost portion are gradually changed from the circle to the arc band.