Abstract: A substrate processing apparatus includes: a substrate mounting table on which a substrate is mounted; an inert gas supply part configured to supply an inert gas on a surface of the substrate from an upper side of the substrate mounting table at a lateral side of the processing gas supply part; and a plurality of gas exhaust parts configured to exhaust a gas supplied on the surface of the substrate to an upper side, between the processing gas supply part and the inert gas supply part.

Abstract: Generation of byproducts is inhibited in a buffer space even in a single-wafer-type apparatus using the buffer space. A method of manufacturing a semiconductor device includes (a) loading a substrate into a process chamber; (b) supplying a first-element-containing gas via a buffer chamber of a shower head to the substrate placed in the process chamber; (c) supplying a second-element-containing gas to the substrate via the buffer chamber; and (d) performing an exhaust process between (b) and (c), wherein (d) includes: exhausting an atmosphere of the buffer chamber; and exhausting an atmosphere of the process chamber after exhausting the atmosphere of the buffer chamber.

Abstract: A structure for constituting a process chamber in which a plurality of substrates is processed by reacting a predetermined precursor gas therein includes an outer tube having a cylindrical shape with an upper end portion closed and a lower end portion opened, and an inner tube, installed within the outer tube, including a first exhaust slit and a second exhaust slit through which the predetermined precursor gas is exhausted, the first exhaust slit located in a substrate arrangement region in which the plurality of substrates are arranged, and the second exhaust slit located in a region lower than the substrate arrangement region.

Abstract: A droplet discharge head includes a plurality of pressure chambers which communicate with a plurality of nozzles which discharge droplets, respectively; at least one common supply passage which supplies liquid to the pressure chambers; at least one common return passage which communicates with the pressure chambers and to which a part of the liquid in the pressure chambers is returned; and a plurality of energy-generating elements which generate pressure in the pressure chambers, wherein the droplet discharge head circulates liquid supplied from the common supply passage to the pressure chambers to the common return passage and discharges droplets from the nozzles when pressure is generated in the pressure chambers by the energy-generating elements, and the common supply passage and the common return passage are arranged on the same side with respect to the pressure chambers.

Abstract: A substrate processing apparatus includes: a processing chamber that accommodates a substrate; a heating portion that is provided so as to surround a accommodating region of the substrate within the processing chamber; a gas nozzle that is provided inside the heating portion and that supplies a processing gas to the accommodating region of the substrate; and a gas heating mechanism that is provided inside the heating portion and that supplies the processing gas from an upstream side of the gas nozzle into the gas nozzle. A ratio of a flow channel circumferential length to a flow channel cross-sectional area in a gas flow channel of the gas heating mechanism is larger than a ratio of a flow channel circumferential length to a flow channel cross-sectional area in a gas flow channel of the gas nozzle.

Abstract: Provided are a method of manufacturing semiconductor device, a substrate processing apparatus and a recording medium which are capable of efficiently removing a deposited film in a shower head and suppressing generation of particles. The method of manufacturing a semiconductor device includes (a) forming a film on a substrate by supplying a film forming gas and an inert gas to the substrate in a processing chamber via a shower head, and (b) removing a deposited film deposited in the shower head in (a) by supplying to the shower head an inert gas, which has a temperature lower than that of the inert gas supplied in (a), into the shower head without the substrate loaded in the processing chamber.

Abstract: A numerical controller controls a three-axis machine tool that machines a workpiece, mounted on a table, with at least three linear axes. The numerical controller includes a workpiece mounting error compensation unit that compensates a mounting error caused when the workpiece is mounted. The workpiece mounting error compensation unit performs an error compensation with respect to an instructed linear-axis position with amounting error which is set beforehand, in order to keep a position with respect to the workpiece at a tool center point position, based on the instructed linear-axis position of the three linear axes to obtain a compensated linear-axis position. The three linear axes are driven based on the obtained compensated linear-axis position.

Abstract: The disclosed composite copper particle includes a core particle including copper, and a coating layer including a copper-tin alloy and formed on the surface of the core particle, the composite copper particle having a particle diameter at 50% cumulative volume in the particle size distribution of 0.1 to 10.0 ?m. The alloy is preferably CuSn. The ratio of tin to the the composite copper particle is preferably 3.0 to 12.0 mass %. The composite copper particle is suitably obtained by a method including a step of mixing a reducing agent for tin and an aqueous slurry containing a tin source compound and core particles which include copper, to form a coating layer including a copper-tin alloy on a surface of the core particles.

Abstract: When processing such as SiC epitaxial growth is performed at an ultrahigh temperature of 1500° C. to 1700° C., a film-forming gas can be decreased to heat-resistant temperature of a manifold and film quality uniformity can be improved. A substrate processing apparatus includes a reaction chamber for processing a plurality of substrates, a boat for holding the plurality of substrates, a gas supply nozzle for supplying a film-forming gas to the plurality of substrates, an exhaust port for exhausting the film-forming gas supplied into the reaction chamber, a heat exchange part which defines a second flow path narrower than a first flow path defined by an inner wall of the reaction chamber and the boat, and a gas discharge part installed under the lowermost substrate of the plurality of substrates.

Abstract: Disclosed is a droplet discharge head including a nozzle substrate including a nozzle, an individual liquid chamber substrate including an individual liquid chamber, and a common liquid chamber substrate including a common liquid chamber, wherein the substrates are laminated, wherein a portion of a top surface of the common liquid chamber is flexible, wherein the top surface of the common liquid chamber is disposed at a side opposite to another side at which the nozzle plate is disposed, wherein the common liquid chamber has a shape such that one portion of the common liquid chamber is narrowed in a direction in which the substrates are laminated, wherein a height of a wall of the common liquid chamber in the direction in which the substrates are laminated is constant, and wherein the wall is substantially perpendicular to the top surface.

Abstract: Generation of byproducts is inhibited in a buffer space even in a single-wafer-type apparatus using the buffer space. A method of manufacturing a semiconductor device includes (a) loading a substrate into a process chamber; (b) supplying a first-element-containing gas via a buffer chamber of a shower head to the substrate placed in the process chamber; (c) supplying a second-element-containing gas to the substrate via the buffer chamber; and (d) performing an exhaust process between (b) and (c), wherein (d) includes: exhausting an atmosphere of the buffer chamber; and exhausting an atmosphere of the process chamber after exhausting the atmosphere of the buffer chamber.

Abstract: A droplet discharge head includes a plurality of pressure chambers which communicate with a plurality of nozzles which discharge droplets, respectively; at least one common supply passage which supplies liquid to the pressure chambers; at least one common return passage which communicates with the pressure chambers and to which a part of the liquid in the pressure chambers is returned; and a plurality of energy-generating elements which generate pressure in the pressure chambers, wherein the droplet discharge head circulates liquid supplied from the common supply passage to the pressure chambers to the common return passage and discharges droplets from the nozzles when pressure is generated in the pressure chambers by the energy-generating elements, and the common supply passage and the common return passage are arranged on the same side with respect to the pressure chambers.

Abstract: A droplet discharge head includes a nozzle plate provided with a nozzle opening which discharges an ink drop, an actuator substrate which forms a pressurized liquid chamber communicating with the nozzle opening, and is provided with a pressure generator changing a pressure in the pressured liquid chamber, and a common liquid chamber-forming substrate which forms a common liquid chamber to which ink which is supplied to the pressurized liquid chamber is supplied, the common liquid chamber-forming substrate includes a first plate made of a metal material, a second plate made of a resin material provided on one surface of the first plate, and a third plate made of a resin material provided on the other surface of the first plate, and the first plate, the second plate, and the third plate being integrally molded in a thickness direction.

Abstract: An oxygen-containing gas and a hydrogen-containing gas are supplied into a pre-reaction chamber heated to a second temperature and having the pressure set to less than an atmospheric pressure, and a reaction is induced between both gases in the pre-reaction chamber to generate reactive species, and the reactive species are supplied into the process chamber and exhausted therefrom, in which a substrate heated to the first temperature is housed and the pressure is set to less than the atmospheric pressure, and processing is applied to the substrate by the reactive species, with the second temperature set to be not less than the first temperature at this time.

Abstract: A method of manufacturing a semiconductor device by using a substrate processing apparatus comprises a reaction chamber configured to process a plurality of substrates stacked at predetermined intervals, wherein a first gas flow from a first gas supply inlet and a second gas flow from a second gas supply inlet are crossed with each other before these gas flows reach the substrates. The method of manufacturing a semiconductor device comprises: loading the plurality of substrates into the reaction chamber; supplying a silicon-containing gas and a chlorine-containing gas from the first gas supply inlet into the reaction chamber, supplying a carbon-containing gas and a reducing gas from the second gas supply inlet into the reaction chamber and supplying a dopant-containing gas into the reaction chamber from the first gas supply inlet or the second gas supply inlet; and unloading the substrates from the reaction chamber.

Abstract: A liquid-jet head includes nozzles, pressurized chambers to communicate with the nozzles, a common liquid chamber to communicate with each of the pressurized chambers, each of the common liquid chamber and the pressurized liquid chambers having a negative pressure of a predetermined value, first communicating paths to communicate between the common liquid chamber and the pressurized liquid chamber to serve as a filter to prevent air bubbles from intruding into the pressurized liquid chamber, the filter having openings, each opening having an opening area smaller than an opening area of each of the nozzles, and an air bubble discharge chamber including a second communicating path to communicate with the common liquid chamber having an air bubble remaining part in a region downstream in a liquid flow direction, and an opening part from which the air bubbles having entered via the second communicating path are discharged during a maintenance-restoration operation.

Abstract: When a numerical controller executes a tool-center-point control in which a path of a tool center point with respect to a workpiece is instructed, and the workpiece is machined along the instructed path based on a speed instruction, the numerical controller sets the speed instruction so that the speed instruction is a synthesis speed with respect to a synthesis distance of a relative moving distance between the workpiece and a tool center point and a tool-direction changing distance due to a relative change in a tool direction with respect to the workpiece by a rotary axis. The numerical controller interpolates a position of a linear axis and a position of a rotary axis by the tool-center-point control according to the synthesis speed and drives the linear axis and the rotary axis to the position of the linear axis and the position of the rotary axis created by the interpolation.

Abstract: A liquid-jet head includes nozzles disposed in a predetermined direction and configured to discharge a recording liquid, individual liquid chambers connected to the respective nozzles and configured to supply the recording liquid to the respective nozzles, a common liquid chamber connected to the individual liquid chambers and configured to supply the recording liquid to the individual liquid chambers, an air reservoir space disposed adjacent to the common liquid chamber and configured to retain air, a flexible division wall separating the common liquid chamber from the air reservoir space, a tube unit connected outside the liquid-jet head, a recording liquid supply tube passing through the air reservoir space to divide the air reservoir space into a plurality of spaces and configured to supply the recording liquid to the common chamber, and a connecting unit configured to connect the divided spaces to one another.

Abstract: Disclosed is a droplet discharge head including a nozzle substrate including a nozzle, an individual liquid chamber substrate including an individual liquid chamber, and a common liquid chamber substrate including a common liquid chamber, wherein the substrates are laminated, wherein a portion of a top surface of the common liquid chamber is flexible, wherein the top surface of the common liquid chamber is disposed at a side opposite to another side at which the nozzle plate is disposed, wherein the common liquid chamber has a shape such that one portion of the common liquid chamber is narrowed in a direction in which the substrates are laminated, wherein a height of a wall of the common liquid chamber in the direction in which the substrates are laminated is constant, and wherein the wall is substantially perpendicular to the top surface.