194results about How to "Suppression of scattering" patented technology

Provided is a substrate processing apparatus capable of suppressing accumulation of reaction products or decomposed matters on an inner wall of a nozzle and suppressing scattering of foreign substances in a process chamber. The substrate processing apparatus includes a process chamber, a heating unit, a source gas supply unit, a source gas nozzle, an exhaust unit, and a control unit configured to control at least the heating unit, the source gas supply unit and the exhaust unit. The source gas nozzle is disposed at a region in the process chamber, in which a first process gas is not decomposed even under a temperature in the process chamber higher than a pyrolysis temperature of the first process gas, and the control unit supplies the first process gas into the process chamber two or more times at different flow velocities to prevent the first process gas from being mixed.

A process for efficiently producing a rubber-wet masterbatch which contains carbon black having improved dispersability in a rubber as compared with granulated dry carbon black products obtained by an ordinary wet process or with ungranulated carbon black. By using carbon black having high surface activity, rubber-reinforcing properties, wear resistance, and other properties can be improved. The wet masterbatch obtained has an intact yield of carbon black, and the carbon black has satisfactory handleability. Provided are a carbon black-containing rubber-wet masterbatch obtained by the process, and a rubber composition and a tire each obtained using the masterbatch. The process for producing a carbon black-containing rubber-wet masterbatch comprises the step of mixing a slurry (A) obtainedby dispersing a filler comprising carbon black with a rubber liquid (B) obtained by dispersing or dissolving a rubber ingredient, wherein the slurry (A) is prepared using a filler comprising undried carbon black granulated by a wet process.

The invention discloses a special asphalt mixture capable of inhibiting flying of drainage asphalt pavement stones and a preparation method of the mixture. The special asphalt mixture capable of inhibiting the flying of the drainage asphalt pavement stones comprises aggregate, filler, high viscosity modified asphalt and an external additive, wherein the aggregate comprises basalt, diabase and / or limestone; the filler is limestone mineral powder; the high viscosity modified asphalt is made from SBS (styrene butadiene styrene), No.70 petroleum asphalt and a stabilizer through stirring and high shearing at high temperature; the external additive is a plurality of fine metal filaments. The preparation method of the special asphalt mixture comprises the following steps: adding the fine metal filaments into the aggregate, mixing, spraying the high viscosity modified asphalt and the filler at the same time, and continuously mixing, so that the special asphalt mixture is formed. The special asphalt mixture disclosed by the invention has the advantages that the fine metal filaments are creatively added, the problem of flying of stones is effectively inhibited, void ratio is reduced as a skeleton space is filled or blocked, and drainage and noise reduction functions of the drainage asphalt pavement can not be influenced.

The invention provides a plasma etching method and a plasma etching device, which are capable of controlling profile of the etching and prohibiting the generation of particles resulted from etching a treatment vessel and the like. Once a cleaning procedure (a) is implemented, the plasma, which is obtained by subjecting the cleaning gas to plasma treatment, is utilized to remove adhesions adhered to the treatment vessel (2); once a filming procedure (b) is implemented, the plasma, which subjects a filming gas containing carbon and fluorine to plasma treatment, is utilized to form a CF film at a part exposed to the plasma inside the treatment vessel; once an etching procedure (c) is implemented, a wafer W is carried on a carrying table inside the treatment vessel and the plasma subjecting an etching gas to plasma treatment is utilized to etch the wafer W; and once a procedure (d) of moving the wafer W out of the treatment vessel after the etching procedure (c) is implemented, the procedures (a)-(d) are implemented upon the end of the procedure (d).

Provided are an apparatus for manufacturing an electronic part and a method of manufacturing the electronic part, wherein an electronic element can be soldered to a printed circuit board in a shorter time than conventional methods, and wherein damage to the electronic element, spattering of solder, and damage to the circuit board can be inhibited. An apparatus (100) for manufacturing an electronic part (112) according to the present invention, which mounts an electronic element (108) on a printed circuit board (122) comprising a substrate (122A) and a wiring pattern (122B) disposed thereon, comprises: a supplying apparatus (102) that supplies solder (104) onto the wiring pattern (122B) of the printed circuit board (122); a placing apparatus (106) that places the electronic element (108) on the solder (104); a laser (112) that radiates light having the center wavelength of the light-emission thereof within a range of 700 nm - 1100 nm, towards the solder (104) upon which the electronic element (108) is mounted, from the back face (124) side of the printed circuit board. The apparatus (100) for manufacturing an electronic part (112) is characterized in that the light transmits through the substrate (122A) to reach the wiring pattern (122B), heats the wiring pattern (122B) and melts the solder (104), so that the electronic element (108) is soldered to the printed circuit board (122).

A transparent layered film produced by forming, on one surface of a transparent resin layer, an anti-water-mark layer that is constituted of a cured object of a curable composition comprising a curable resin, a thermoplastic resin, and metal oxide particles with an average primary-particle diameter of 1-100 nm and forming, in the surface of the anti-water-mark layer, a rugged structure which has an arithmetic average roughness (Ra) of 0.005 [mu]m or greater but less than 0.03 [mu]m, an average distance (Sm) between the irregularities of 50-300 [mu]m, an arithmetic average inclination (delta a) less than 0.1 DEG, and a ten-point average roughness (Rz) less than 0.2 [mu]m. When a glass to which the film has been laminated is used in the upper electrode of a touch panel display, not only glass fragment scattering due to breakage of the upper electrode can be inhibited, but also the generation of water marks is prevented and the display device even with high resolution can be inhibited from glittering.

Provided is a fuel filling pipe device for a vehicle, configured so that fuel discharged from a fuel filling gun with shutter members closed can be prevented from spurting to the outside from the fuel filling opening. The fuel filling pipe device (10) for a vehicle comprises a filling pipe (14), a fuel filling opening (16) which is provided to the filling pipe (14) and into which a fuel filling gun (20a) is inserted, and a shutter mechanism (26) which is provided inside the fuel filling opening (16) and is provided with openable and closable shutter members (24a, 24b) opened when the fuel filling gun (20a) is pushed therein. The shutter mechanism (26) is provided with a spurt prevention section for preventing fuel, which is discharged from the fuel filling gun (20a) with the shutter members (24a, 24b) closed, from spurting to the outside from the fuel filling opening (16).

A particle of this solder powder is configured of a core and a coat layer applied on the core, and has an average particle diameter of 5 [mu]m or less. The solder powder is characterized in that: the core is composed of an intermetallic compound of silver and tin or is composed of silver and an intermetallic compound of silver and tin; the coat layer is composed of tin; and an intermediate layer composed of an intermetallic compound of copper and tin is provided between the core and the coat layer such that at least a part of the core is covered.

Provided is a method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using ultrafine limestone powder and high-carbon dust during the process in which the surface of pseudo particles is being covered with a limestone-based powder starting material and a solid-fuel-based powder starting material. When forming a limestone-based powder starting material inner layer by supplying a limestone-based powder starting material to the surface of pseudo particles obtained by granulating a material containing SiO2 and iron ore and when forming a solid-fuel-based powder starting material outer layer by supplying a solid-fuel-based powder starting material on the limestone-based powder starting material inner layer, a limestone-based powder starting material containing 5 to 40 mass% of ultrafine limestone particles is used as the limestone-based powder starting material and a solid-fuel-based powder starting material containing 5 to 40 mass% of high-carbon dust is used as the solid-fuel-based powder starting material.

The invention relates to concrete aggregate prepared by utilizing coal gangue and a preparation method thereof. The concrete aggregate is prepared from the following raw materials in parts by weight: 110-150 parts of broken coal gangue, 50-70 parts of foundry waste sand, 10-20 parts of copper sludge, 10-20 parts of red mud, 50-70 parts of regenerated diatomite broken pieces, 5-9 parts of additives, 6-10 parts of calcium hydroxide and 5-9 parts of sodium hydroxide solution with the mass concentration of 0.5mol / L, wherein the regenerated diatomite broken pieces are prepared from the following components in parts by weight: 40-60 parts of waste diatomite slurry, 20-30 parts of modified steel slag micro-powder, 6-11 parts of a surface modifier and 0.04-0.06 part of a foaming agent; and the modified steel slag micro-powder is prepared from steel slag and sodium metaborate which accounts for 1 / 10 to 1 / 2 of the weight of the steel slag. According to the invention, a large-scale application direction is found for the coal gangue, foundry waste sand, copper sludge, red mud, steel slag and waste diatomite, the waste materials are changed into things of value, and the environmental pollution and land occupation caused by solid wastes are reduced, so that the resources are further utilized, and energy conservation and environment friendliness are achieved.

The invention provides a motor actuator which can effectively prevent lubricating grease from being sprayed out. The motor (20) comprises a motor housing (23), which comprises a bearing accommodating part (25), wherein an oil-containing bearing is fixedly arranged in the bearing accommodating part (25); and a rotation shaft (21) which stretches out from the bearing accommodation part (25) to the motor housing (23). The motor housing (23) is elastically supported on a shell (10) by O-shaped rings (30,31). The bearing accommodating part (25) comprises a cylindrical part (25a), an accommodated oil-containing bearing, and a flange part which is opposite to the external end surface (28a) of the oil-containing bearing in the axial direction, and an opening part (25c) for inserting a rotation shaft is formed. The oil-containing bearing is provided with a second chamfering part (28e), which is coated by lubricating grease (29), in the inner circumferential side of the external end surface in the axial direction. The inner diameter (d1) of the opening part is arranged to be larger than the external diameter (d2) of the rotation shaft, and smaller than the external diameter (d3) of the second chamfering part.

The invention provides a development device capable of separating a flyheaded toner from a part contacting with an user with good maintainability performance, and a process cartridge using the development device and image forming apparatus. The development device comprises: a development roller 27 configured to carry developer and disposed in a development case, partly exposed from an opening of the development case facing a sensitizatoon body 1, a developer-transporting screw 31a configured to transport the developer to the developer roller 27, and a discharging space 26 for discharging air from a communication port 34 in ralative area for communicating the development roller 27 and the developer-transporting screw 31a through a discharging port 35 that opens in a longitudinal direction of the developer-transporting screw 31a.

Provided is an advantageous method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using ultrafine limestone powder and high-carbon dust during the process in which the surface of pseudo particles is being covered with a limestone-based powder starting material and a solid-fuel-based powder starting material. When the surface of pseudo particles is being covered with a limestone-based powder starting material and a solid-fuel-based powder starting material, a limestone-based powder starting material containing 5 to 40 mass% of ultrafine limestone particles is used as the limestone-based powder starting material and a solid-fuel-based powder starting material containing 5 to 40 mass% of high-carbon dust is used as the solid-fuel-based powder starting material.

The invention discloses an automatic cutting device for building boards, which comprises a base and cutting equipment. Guide rails are fixedly installed on the left and right sides of the base respectively. Slide blocks are respectively matched at the upper ends of the guide rails. Screw rods are arranged between the guide rails, and one end of the screw rod passes through The bearing seat of the screw rod is fixedly connected with the base, the other end of the screw rod is connected with the DC motor through a coupling, the DC motor is fixed on the base, the screw rod is matched with a screw nut, and the screw nut is fixedly connected with a slider drive The two ends of the drive plate and the slider drive plate are respectively fixedly connected with the slider on the guide rail. The top of the base is equipped with a cutting device. The cutting device includes a motor and a cutting blade. The cutting blade is fixedly installed on the rotor output shaft of the motor, and the motor is fixed. Installed on the motor mounting plate, the motor mounting plate is fixedly connected to the base through the motor lifting frame, and the motor mounting plate can move vertically on the motor lifting frame. The invention ensures that the incision of the building board is smooth, the cutting effect is good, and the cutting speed is improved at the same time.

A wheel conveyer formed by installing a wheel assembly having wheels and support plates disposed on both sides thereof and rotatably supporting the axles of the wheels in the grooves of frame materials, easily disassembled and cleaned, and having vibration damping function and dust collecting function. In the wheel assembly (2), the wheels (5) comprise axle pins (6), pin holes (8) are formed in the support plates (7), and the axle pins (6) are inserted into the pin holes (8) and rotatably supported on the pin holes. The shape of the frame material (4) in cross section is such that a first groove-shaped part (4b) formed continuously with a lip part (4a) supports the support plate (7) movably in the longitudinal direction, and a bottom part groove-shaped part (4d) formed continuously with a bottom wall (4c) is swelled outward from the mouth edge of the lip (4a). These two groove-shaped parts (4b) and (4d) are joined continuously to each other through a joining parts (4b) of the frame materials (4), and the plurality of wheels (5) are arranged in a row.

Provided is a method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using high-carbon dust during the process in which the surface of pseudo particles is being covered with a solid-fuel-based powder starting material. When forming a limestone-based powder starting material base layer by supplying a limestone-based powder starting material to the surface of pseudo particles obtained by granulating a material containing SiO2 and iron ore and when forming a solid-fuel-based powder starting material outermost layer by supplying a solid-fuel-based powder starting material on the limestone-based powder starting material base layer, a solid-fuel-based powder starting material containing 5 to 40 mass% of high-carbon dust is used as the solid-fuel-based powder starting material.

A method for preparing heat ¿C resisting protection tube includes using 98.5 wt % of heat ¿C resisting inorganic power in 85 wt % of solid composition and 1.5 wt % of solid composition in 15 wt % of additives as raw materials; mixing said heat ¿C resisting inorganic power, said additives with water or organic solvent for preparing mixture; forming mixture to be tube shaped body and drying tube shaped body for obtaining final product.