The present disclosure generally relates to an epitaxial chamber for processing of semiconductor substrates. In one example, the epitaxial chamber has a chamber body assembly. The chamber body assembly includes a lower window and an upper window, wherein chamber body assembly, the lower window and the upper window enclose an internal volume. A susceptor assembly is disposed in the internal volume. The epitaxial chamber also has a plurality of temperature control elements. The plurality of temperature control elements include one or more of an upper lamp module, a lower lamp module, an upper heater, a lower heater, or a heated gas passage.

A method of processing a semiconductor wafer is provided. The method includes installing upper lid. The installation of the upper lid includes placing an inlet manifold on a water box; inserting a jig into a lower gas channel in the water box and inserting into an upper gas channel in the inlet manifold; fastening the water box to the inlet manifold; and removing the jig after the water box engaging with the inlet manifold. The method also includes connecting a shower head on a lower side of the water box; and connecting the upper lid to a housing. The method further includes placing a semiconductor wafer into the housing. In addition, the method includes supplying a process gas over the semiconductor wafer through the upper gas channel, the lower gas channel and the shower head.

A method and apparatus for reducing as-deposited and metastable defects relative to amorphous silicon (a-Si) thin films, its alloys and devices fabricated therefrom that include heating an earth shield positioned around a cathode in a parallel plate plasma chemical vapor deposition chamber to control a temperature of a showerhead in the deposition chamber in the range of 350° C. to 600° C. An anode in the deposition chamber is cooled to maintain a temperature in the range of 50° C. to 450° C. at the substrate that is positioned at the anode. In the apparatus, a heater is embedded within the earth shield and a cooling system is embedded within the anode.

According to one aspect of a technique the present disclosure, there is provided a substrate processing apparatus including: a substrate support configured to support a substrate; a reaction tube in which the substrate support is accommodated; a heater provided around the reaction tube; and an accommodation structure provided at a side surface of the reaction tube and configured to accommodate one or both of: a gas supply nozzle provided so as to extend from an outside of the reaction tube toward an inside of the reaction tube in a horizontal direction with respect to a surface of the substrate supported by the substrate support; and a first temperature measuring structure provided so as to extend from the outside of the reaction tube toward the inside of the reaction tube in the horizontal direction with respect to the surface of the substrate supported by the substrate support.

According to one aspect of the technique, there is provided a method of manufacturing a semiconductor device, including: (a) heating a substrate to a first temperature while supporting the substrate on a substrate support, and supplying a process gas into a process vessel accommodating the substrate support; (b) lowering a temperature of a low temperature structure provided in the process vessel to a second temperature lower than the first temperature by supplying an inert gas or air to a coolant flow path provided in the process vessel after (a) for a predetermined time, wherein defects occur when a cleaning gas is supplied to the low temperature structure at the first temperature; and (c) cleaning the low temperature structure by supplying the cleaning gas into the process vessel after (b).

The present disclosure relates to a method for cleaning a camber, and more particularly, to a method for cleaning a chamber, which is capable of cleaning a chamber contaminated in a process of depositing a thin film on a substrate. A method for cleaning a chamber, in which a thin film is deposited, in accordance with an exemplary includes primarily cleaning the chamber by using a first gas plasmalized inside the chamber and supplying a second gas plasmalized outside the chamber into the chamber to activate the plasmalized first gas, thereby secondarily cleaning the chamber. The second gas includes a gas that is non-reactive with respect to the first gas.

A method of processing a substrate according to a PECVD process is described. Temperature profile of the substrate is adjusted to change deposition rate profile across the substrate. Plasma density profile is adjusted to change deposition rate profile across the substrate. Chamber surfaces exposed to the plasma are heated to improve plasma density uniformity and reduce formation of low quality deposits on chamber surfaces. In situ metrology may be used to monitor progress of a deposition process and trigger control actions involving substrate temperature profile, plasma density profile, pressure, temperature, and flow of reactants.

A fluid inlet assembly for a substrate processing apparatus includes a fluid inlet pipe configured to pass through a wall of a sealed pressure vessel, a resilient element around the fluid inlet pipe outside the sealed pressure vessel coupling the fluid inlet pipe to the wall, and first and second end parts, the resilient element being coupled therebetween.

Embodiments of apparatus for supplying vaporized reactants to a reaction chamber are described herein. In some embodiments, a showerhead assembly for depositing multiple materials on a substrate includes a plurality of gas delivery portions, each gas delivery portion having an inlet, a wedge shaped body that defines a plenum, and a plurality of openings disposed on a bottom surface of the gas delivery portion, wherein each of the plenums are fluidly isolated from each other.

Apparatus and methods to process one or more wafers are described. A processing chamber comprises a first processing station comprising a first gas injector having a first face, a first emissivity and a first temperature, a second processing station comprising a second gas injector having a second face, a second emissivity and a second temperature, and a substrate support assembly comprising a plurality of substantially coplanar support surfaces, the substrate support assembly configured to move the support surfaces between the first processing station and the second processing station. When a wafer is on the support surfaces, a temperature skew of less than about 0.5° C. is developed upon moving the wafer between the stations in about 0.5 seconds.