Abstract: There is provided a technique that includes: (a) lowering a temperature in a process chamber supplied with a cleaning gas containing a halogen element while being heated to a first temperature, from the first temperature to a second temperature equal to or lower than a temperature at which substrate processing is performed in the process chamber, while vacuum-exhausting an inside of the process chamber; and (b) after (a), supplying a gas containing a water vapor into the process chamber while vacuum-exhausting the inside of the process chamber, to cause the halogen element remaining in the process chamber to react with the water vapor.

Abstract: According to one aspect thereof, there is provided a method of manufacturing a semiconductor device, including: forming an oxide film containing a predetermined element on a surface of a substrate provided with a pattern formed thereon by repeatedly performing a cycle including: (a) forming a first layer containing the predetermined element by supplying a source gas containing the predetermined element from an outer periphery of the substrate toward the surface; and (b) forming an oxide layer containing the predetermined element by supplying an oxidizing gas from the outer periphery toward the surface, wherein (a) and (b) are performed non-simultaneously. A supply time of the oxidizing gas is selected such that a thickness distribution of the oxide film becomes a predetermined distribution.

Abstract: According to one aspect of the present disclosure, there is provided a technique including: (a) stacking and accommodating substrates in a process chamber; (b) supplying a source gas to the plurality of substrates through a first nozzle provided in the process chamber along a stacking direction of the plurality of substrates and a second nozzle provided in the process chamber along the stacking direction of the plurality of substrates, wherein an amount of the source gas supplied through an upper portion of the first nozzle is greater than that of the source gas supplied through a lower portion of the first nozzle, and an amount of the source gas supplied through the lower portion of the second nozzle is greater than that of the source gas supplied through the upper portion of the second nozzle; and (c) supplying a reactive gas to the substrates.

Abstract: There is provided a technique that includes: a reaction container into which a substrate support including a substrate support region configured to support a substrate and a heat insulator provided below the substrate support region are inserted; a gas supplier configured to supply a gas into the reaction container; and a protruding portion protruding inward from an inner wall of the reaction container on an upper surface side of the heat insulator in a region of the inner wall of the reaction container where the gas supplier and the substrate support do not face each other.

Abstract: A substrate processing apparatus includes: a process chamber accommodating substrates; a heating system for heating the process chamber to a predetermined temperature; a precursor gas supply system including a precursor gas nozzle and for supplying a precursor gas from the precursor gas nozzle to the process chamber; a reaction gas supply system configured to supply a reaction gas reacting with the precursor gas in the process chamber; and a control part configured to control the heating system, the precursor gas supply system and the reaction gas supply system to form a film on each of the plurality of substrates by performing a process, while heating the process chamber accommodating the plurality of substrates to the predetermined temperature. The process includes supplying the precursor gas from the precursor gas nozzle to the process chamber and supplying the reaction gas to the process chamber.

Abstract: Described is a technique capable of reducing an effect of a substrate retainer on a substrate processing while maintaining a strength of a substrate retainer. Provided is a substrate retainer configured to support a plurality of substrates in horizontal orientation with an interval therebetween, the substrate retainer including: main support columns; and auxiliary support columns, wherein: each main support columns is provided with a substrate support member configured to support a substrate; a diameter of each of the auxiliary support columns is larger than a diameter of each of the main support columns and smaller than a length of the substrate support member; a distance between an edge of the substrate and each of the auxiliary support columns is shorter than a distance between the edge of the substrate and each of the main support columns; and all of the auxiliary support columns are not in contact with the substrate.

Abstract: A substrate processing apparatus includes: a process chamber accommodating substrates; a heating system for heating the process chamber to a predetermined temperature; a precursor gas supply system including a precursor gas nozzle and for supplying a precursor gas from the precursor gas nozzle to the process chamber; a reaction gas supply system configured to supply a reaction gas reacting with the precursor gas in the process chamber; and a control part configured to control the heating system, the precursor gas supply system and the reaction gas supply system to form a film on each of the plurality of substrates by performing a process, while heating the process chamber accommodating the plurality of substrates to the predetermined temperature. The process includes supplying the precursor gas from the precursor gas nozzle to the process chamber and supplying the reaction gas to the process chamber.