A plasma cleaning apparatus includes a metal chamber, a gate assembly, a dielectric, and a high voltage electrode. The metal chamber is connected to a vacuum tube connecting the process chamber and the vacuum pump, and is provided with a first opening. The gate assembly includes a gate support fixed to the metal chamber around the first opening and having a second opening, and a gate coupled to the gate support and having a first position closing the second opening and a second position opening the second opening switchable with each other. The dielectric is coupled to the outside of the gate support around the second opening, and the high voltage electrode is positioned on an outer surface of the dielectric.

Exemplary semiconductor processing chambers may include a substrate support including a top surface. A peripheral edge region of the top surface may be recessed relative to a medial region of the top surface. The chambers may include a pumping liner disposed about an exterior surface of the substrate support. The chambers may include a liner disposed between the substrate support and the pumping liner. The liner may be spaced apart from the exterior surface to define a purge lumen between the liner and the substrate support. The chambers may include an edge ring seated on the peripheral edge region. The edge ring may extend beyond a peripheral edge of the substrate support and above a portion of the liner. A gap may be formed between a bottom surface of the edge ring and a top surface of the liner. The gap and the purge lumen may be fluidly coupled.

A flow passage structure includes a member. The member includes a plurality of first openings, a plurality of second openings, a flow passage, and a plurality of joining and branching parts. The flow passage connects the first openings with the second openings. The joining and branching parts are provided in the flow passage and each have a plurality of first parts having respective first ends connected with each other and a plurality of second parts having respective second ends connected with each other. The second parts are closer to the second openings than the first parts are, in a path between the first opening and the second opening. The first ends are connected with the second ends in each joining and branching part.

There is provided a technique that includes: a cylindrical outer tube; an inner tube that is installed inside the outer tube and configured such that a substrate is capable of being processed in a process chamber formed in the inner tube; a manifold that is installed below the outer tube and the inner tube, in fluid communication with an internal space of the inner tube, and formed in a cylindrical shape with an exhaust space isolated from an annular space between the inner tube and the outer tube; a process gas nozzle configured to supply a process gas that processes the substrate to an inside of the inner tube; a purge gas nozzle configured to supply a purge gas to the annular space; and a conductance changer that is installed at a partition wall between the annular space and the exhaust space.

A method of manufacturing a semiconductor device includes forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes: supplying a precursor to the substrate in a process chamber and exhausting the precursor from a first exhaust system; and supplying a reactant to the substrate in the process chamber and exhausting the reactant from a second exhaust system. In the forming of the film, when the precursor does not flow through the first exhaust system, a deactivator that is a material different from the reactant is directly supplied from a supply port provided in the first exhaust system into the first exhaust system.

Provided is a plasma film-firming apparatus including: a chamber configured to accommodate a substrate therein; a substrate pedestal configured to disposed the substrate thereon within the chamber; a gas supply mechanism configured to supply a gas including a film-forming gas into the chamber; an exhaust mechanism configured to exhaust an inside of the chamber; and a plasma generating unit configured to generate plasma in the chamber. The substrate pedestal includes a pedestal body having a smaller diameter than that of the substrate and including a placement surface, and an annular adjustment member disposed outside the pedestal body. The adjustment member is replaceably installed. A plurality of adjustment members having various steps are provided at a position outside the substrate as the adjustment member, and among the plurality of adjustment members, an adjustment member is selected and used according to a processing condition of a plasma processing.

An apparatus for processing a substrate may include a chamber, a substrate support, a showerhead structure and a purge ring structure. The purge ring structure may be arranged at an edge portion of the substrate support to inject a deposition-preventing gas, which may be supplied from the substrate support, to an edge portion of an upper surface of the substrate. The purge ring structure may include a purge ring and a plurality of bosses. The purge ring may be configured to surround the substrate. The bosses may be protruded from an inner surface of the purge ring in a radius direction of the substrate to form a gap between the inner surface of the purge ring and the edge portion of the substrate. The deposition-preventing gas may be supplied to the upper surface of the substrate through the gap.

A substrate processing apparatus includes: a chamber; first and second nozzle units inside the chamber; a remote plasma generator outside the chamber and converting a cleaning gas into a plasma state; a common pipe outside the chamber and connected to the remote plasma generator through which the cleaning gas in the plasma state flows; a first connection pipe connecting the common pipe and the first nozzle unit; a second connection pipe connecting the common pipe and the second nozzle unit; a source gas supply pipe connected to the first connection pipe outside the chamber, supplying a source gas to the first connection pipe, and in which a first supply valve is installed, and a reaction gas supply pipe connected to the second connecting pipe outside the chamber, supplying a reaction gas to the second connection pipe, and in which a second supply valve is installed.

The invention provides a deposition machine, which comprises a chamber, a first pipeline and a second pipeline, wherein one end of the first pipeline and one end of the second pipeline are connected to the chamber, and a part of the second pipeline passes through a sidewall of the first pipeline and extends into the interior of the first pipeline. The deposition machine has the advantages of reducing the risk of pipeline blockage.

A distributed gain polygon ring laser system includes a substrate ring, top and bottom cover plates, an input pump laser, an output coupler and a number of reflection points. The substrate ring has inner and outer surfaces. The top and bottom cover plates are configured for vacuum sealing with the substrate ring. The input pump laser is configured to direct light into the substrate ring. The plurality of reflection points are spaced around the inner surface of the substrate ring and are configured to reflect light from the input pump laser to the output coupler in a series of reflections.