Abstract: It is an object of the present invention to provide a feed block that can stably produce a resin sheet in which a main material and an auxiliary material are stacked on top of another. The feed block feeds laminated molten resin P to a die, wherein laminated molten resin P has at least one main material A that consists of a molten resin in a shape of a plate or a sheet and auxiliary material B that consists of a molten resin in a shape of a plate or a sheet, wherein auxiliary material B is stacked on at least a part of at least one main material A with regard to a width direction thereof.

Abstract: An injection piston can be driven along an axial direction of a heating barrel. The injection piston is connected to a screw and drives the screw along the axial direction. An injection hydraulic cylinder drives the injection piston in the axial direction by pressure of hydraulic oil. Inside of the injection hydraulic cylinder being partitioned into a first chamber and a second chamber. An oil discharge port is provided in the injection hydraulic cylinder and discharges the hydraulic oil from the second chamber. A first valve is inserted in a path for discharging the hydraulic oil discharged from the second chamber. A second valve opens when the pressure of the provided oil is higher than a first threshold value. The first valve closes when the pressure of the hydraulic oil supplied through the second valve is applied to the first valve.

Abstract: In a surface acoustic wave resonator according to an embodiment, a quartz-crystal substrate includes an AT-cut 0° X-propagation first quartz-crystal substrate and a Z-cut second quartz-crystal substrate bonded over the first quartz-crystal substrate. A propagation direction of a surface acoustic wave in the second quartz-crystal substrate is inclined from an X-axis of a crystal by 27 to 33°, 87 to 93°, or 147 to 153°, and a thickness of the second quartz-crystal substrate is 0.2 to 1.0 times a wavelength of the surface acoustic wave.

Abstract: A wave plate 1 according to an embodiment includes a first birefringent substrate 10 including a first main surface and an optical axis 13 in a first direction; a second birefringent substrate 20 disposed over the first birefringent substrate 10 and including a second main surface and an optical axis 23 in a second direction; and a third birefringent substrate 30 disposed over the second birefringent substrate 20 and including a third main surface and an optical axis 33 in a third direction. The first birefringent substrate 10 and the second birefringent substrate 20 are made of the same kind of birefringent material. The first main surface, the second main surface, and the third main surface are disposed in parallel to one another. The first direction and the second direction are parallel to the first main surface and the second main surface.

Abstract: The apparatus of the invention includes: an acquisition unit 101 that acquires input information including resin properties and acquires, as output information, a specified value of a physical quantity related to a kneaded resin or a kneading machine; a storage unit 16 that stores a knowledge file 162 containing correlations among the input information, the physical quantity and a plurality of screw configurations; and a search unit 106 and a configuration generator unit 107 together that infers, on the basis of the input information and the knowledge file 162, such a screw configuration that is able to meet the specified value.

Abstract: An injection molding machine for foam molding includes: a heating cylinder; a screw disposed in the heating cylinder; and a plurality of inlet portions provided in the heating cylinder and configured to introduce inert gas. An inside of the heating cylinder includes a starvation section on an upstream side in which a pressure of the resin is decreased, and the inert gas from the plurality of inlet portions being to be supplied in the starvation section. Each of the plurality of inlet portions is provided with a check valve or an opening and closing mechanism. A product P×N of an interval P of the plurality of inlet portions and a number N of the inlet portions is 0.5H or more and 1.71H or less with respect to a length H of the starvation section.

Abstract: An injection device includes: a heating cylinder; a screw disposed in the heating cylinder; and a pair of piston cylinder components disposed on two sides of the heating cylinder. The pair of piston cylinder components are installed so that one end portion of each of the pair of piston cylinder components is connected to a mold clamping device, and the heating cylinder and the screw are integrally driven in a direction close to or away from the mold clamping device by expansion and contraction of the pair of piston cylinder components. One of the pair of piston cylinder components is provided with a stop mechanism configured to stop expansion and contraction of the piston cylinder component.

Abstract: A twin injection molding machine includes: a mold clamping device configured to clamp a mold; and first and second injection devices each including: a heating cylinder; a screw disposed in the heating cylinder; and a screw driving device including driving system components and configured to drive the screw. The first and second injection devices are disposed symmetrically with respect to a machine center line of the mold clamping device. The driving system components provided in the screw driving device of the first injection device and the driving system components provided in the screw driving device of the second injection device are each disposed on a side away from the machine center line in the respective screw driving devices.

Abstract: The present disclosure relates to a screw of an injection molding machine in which a heating cylinder is formed with a first compression section, a starvation section, and a second compression section, and in which an inert gas is to be introduced into the starvation section. At a portion of the screw corresponding to the first compression section, a barrier flight as a double flight including a combination of a main flight and a sub-flight having a lead angle larger than that of the main flight is formed, and a dam flight having a predetermined-width ring shape is formed, downstream of, i.e., in front of the barrier flight. A seal structure to prevent backflow of the resin may be provided between the dam flight and the starvation section.

Abstract: A method of manufacturing a bonded substrate, which has a quartz substrate and a piezoelectric substrate bonded, includes irradiating a bonding surface of the quartz substrate and a bonding surface of the piezoelectric substrate with ultraviolet light under a pressure lower than atmosphere pressure. After the irradiation, the bonding surface of the quartz substrate and the bonding surface of the piezoelectric substrate are brought into contact. And the quartz substrate and the piezoelectric substrate are pressurized in a thickness direction to bond the bonding surfaces.

Abstract: The present invention addresses the problem of providing a molding method capable of molding a molded article having excellent strength and reducing manufacturing costs by shortening a molding cycle when obtaining a molded article from a fiber-reinforced thermoplastic resin by compression molding. The present invention relates to a molding method which obtains a fiber-reinforced thermoplastic resin by kneading a thermoplastic resin and a reinforcing fiber (14), and a molded article from the fiber-reinforced thermoplastic resin by compression molding.

Abstract: A shut-off nozzle includes: an injection nozzle in which a flow path is formed; a needle valve provided in the flow path coaxially with the injection nozzle, the needle valve being movable forward and backward in an axial direction; and a guide ring provided in the flow path. The needle valve includes a columnar shaft portion, and the guide ring is configured to guide the forward and backward movement of the needle valve at the shaft portion. An injection device includes: a heating cylinder; a screw provided in the heating cylinder; and the shut-off nozzle provided in the heating cylinder. An injection molding machine includes: a mold clamping device configured to clamp a mold; and the injection device configured to inject a resin.

Abstract: An atomic layer deposition apparatus includes a film-forming container 11 in which a film-forming process is performed, a vertically movable stage 14 configured to hold a substrate 100, a susceptor 50 held on the stage 14 and being configured to hold the substrate 100, and a stage stopper 17 configured to stop rising of the stage 14 and, when in contact with the susceptor 50, partitioning a film-forming space S in which the film-forming process is performed and a transporting space in which transport of the substrate 100 is performed. Further, the susceptor 50 includes an upper susceptor substrate holding portion 52B configured to hold the substrate 100, and an upper susceptor peripheral portion 52A arranged in a periphery of the upper susceptor substrate holding portion 52B, wherein a susceptor deposition prevention member 15 is provided on the upper susceptor peripheral portion 52A.

Abstract: A melting heater configured to melt joining end surfaces of a pair of semi-molded products in a case where the joining end surfaces are melted and joined to manufacture a molded product, the melting heater including: two glass plates arranged in parallel to each other; and a plurality of element heaters arranged in a unit having a flat plate shape as a whole between the two glass plates, in which the glass plate is subjected to surface processing for controlling infrared rays emitted from the plurality of element heaters.

Abstract: In a resin film manufacturing device according to an embodiment, a current state and a reward for a previously selected action are determined for each heat bolt based on a control error calculated from a thickness distribution of a resin film acquired from a thickness sensor. Then, control conditions, which are a combination of states and actions, are updated based on the reward, and a most appropriate action corresponding to the current state is selected from the updated control conditions. Then, the heater is controlled based on the most appropriate action.

Abstract: An injection device includes: a swivel base; and an injection unit mounted on the swivel base and configured to be rotatable, in which the injection unit is provided with a swivel mechanism including: a horizontal support shaft having a tip end portion fixed to the injection unit; an axle penetrated by the support shaft at a position eccentric from an axis and rotatably provided with respect to the support shaft; and a wheel penetrated by the axle at a position of an axis and is rotatably provided with respect to the axle, in which in a case where a rotation position is set to a stop position, the wheel is apart from the swivel base, and in which in a case where the rotation position is set to a swivel position, the wheel contacts with the swivel base and the injection unit is swivelable on the swivel base.

Abstract: A screw driving device includes: a plasticization motor; a rotation drive shaft provided coaxially with a screw and configured to rotate the screw; and a transmission mechanism configured to decelerate rotation of the plasticization motor and transmit the rotation to the rotation drive shaft. The transmission mechanism includes: a speed reducer whose output shaft is coupled to the rotation drive shaft; a drive rotation member provided in the plasticization motor; a driven rotation member provided on an input shaft of the speed reducer; and one endless string-shaped force transmission member wound around the drive rotation member and the driven rotation member.

Abstract: There are provided a mold clamping device and an injection molding machine including a guide mechanism which reliably prevents falling of a movable platen. The mold clamping device includes: a fixed platen fixed to a bed; a mold clamping housing configured to be slidable on the bed; a movable platen configured to be slidable on the bed between the fixed platen and the mold clamping housing; a plurality of tie-bars connecting the fixed platen and the mold clamping housing and penetrating the movable platen; a mold clamping mechanism provided between the mold clamping housing and the movable platen; a linear guide provided with the movable platen and configured to slide with respect to the bed; and a tie-bar guide bush provided with the movable platen and configured to slide with respect to the tie-bar.

Abstract: Mixing performance of resin material in the rotational direction of the screw is enhanced. Kneading disc 7 is fitted onto rotatable shaft 3 and is arranged in cylinder 2. Outer circumferential surface 8 of kneading disc 7 of the present invention that faces cylinder 2 has band portion 9 that extends between both ends 7a, 7b of kneading disc 7 in axial direction X of shaft 3 and that forms a minimum gap with cylinder 2. Band portion 9 includes at least one bent part 10.

Abstract: There are provided a laser irradiation apparatus, a laser irradiation method, and a semiconductor device manufacturing method that reduce irradiation unevenness of a laser beam. A laser irradiation apparatus includes a waveform shaping device (20). The waveform shaping device (20) includes a laser beam source (11), a first waveform shaping unit (30) that shapes the pulse waveform of a pulse laser beam by applying a delay according to an optical path length difference between two light beams (L11 and L12) branched by a first beam splitter (31), a wave plate that changes the polarization state of the pulse laser beam from the first waveform shaping unit (30), and a second waveform shaping unit (40) that shapes the pulse waveform of the pulse laser beam by applying a delay according to an optical path length difference between two light beams (L15 and L16) branched by a second beam splitter (41).