Abstract: In the present invention, a ceramic vacuum chuck 2 having an upper surface for adsorbing a substrate is formed from a colored ceramic sintered body comprising 55-75% by weight alumina (Al2O3), at least 3% by weight Si in terms of oxide (SiO2), at least 0.4% by weight Ca in terms of oxide (CaO), at least 0.4% by weight Mg in terms of oxide (MgO), coloring agent, and 1% or less of impurities. A plurality of pins 4 for supporting the substrate, and a rim 6 are formed on the upper surface by shot blasting using abrasive grains, and the whole of the upper surface is shot peened using spherical particles.

Abstract: The invention provides a method for optimizing the spectroscopy performance of a spectroscopy scintillator by surrounding the scintillator by a reflector material, performing a scan or more sectors measuring resolution and light output at three or more axial locations on the crystal, where at least one location is close to the PMT or below the crystal (near the PMT) at least one location is at the end away from the PMT of the scintillator), and adjusting the surface finish of the crystal and/or the reflector to obtain equal light output and optimal resolution over the length and different azimuth of the crystal.

Abstract: An object is to enhance the productivity, to improve the working environment of workers, and to reduce manufacturing costs. Disclosed is a stringer manufacturing method for machining one end portion of an elongated member that is provided with a cap flange, a web, and a base flange and that has an inverted T-shape in a front view, an I-shape in a front view, or a T-shape in a front view into a desired shape to obtain a desired stringer. The one end portion of the elongated member is machined into a desired shape by using a vertical articulated robot (1) that has at least 6 axes and that has, at the tip of a valve unit (13), an abrasive nozzle assembly (14) that injects ultrahigh-pressure water containing abrasive and a catcher cup (15) that recovers the ultrahigh-pressure water injected from the abrasive nozzle assembly (14).

Abstract: An abrasive waterjet assembly has a cutting head assembly with a venting system for controlling the flow of abrasive within a cutting head body. The venting system includes one or more vents for regulating the pressure within a cutting head body to minimize, limit, or substantially eliminate any abrasive from reaching a jewel orifice. The vents include venting ports positioned between an orifice mount that retains the jewel orifice and a mixing region in which abrasive is mixed with a fluid jet produced by the jewel orifice. An isolator retained in the cutting head body further inhibits the upstream flow of abrasive, if any.

Abstract: The present invention relates to a surface treating method for making an amorphous alloy component. The surface treatment method includes the following steps: an amorphous alloy sheet is provided; the amorphous alloy sheet is fixed into a dry blast machine; and the surface of the amorphous alloy sheet is treated by sandblasting. In the sandblasting step, air pressure is controlled to be in a range from about 1.5 gf/cm2 to 6.0 kgf/cm2 and blasting time is in a range from about 1 second to 60 seconds; the sand used in sandblasting is preferably selected from a group consisting of aluminium oxide, zirconium dioxide and silicon dioxide, and a grain size of the sand is in a range from about 100 ?m to 250 ?m.

Abstract: Disclosed is a substrate cleaning method for prevent damage to a pattern formed on a substrate. The substrate cleaning method includes cleaning the substrate by striking cleaning particulates carried in a flow of dry air or inert gas against a surface of the substrate, and removing the cleaning particulates.

Abstract: An abrasive has a plate shape with a flat surface, in which a maximum diameter of the flat surface thereof is in the range of 0.05 mm to 10 mm, and 1.5 to 100 times as the maximum diameter as thick of the abrasive, and the blast processing method is one in which this abrasive is ejected by being inclined at an incident angle with respect to a surface of a product to be treated. The ejected plate-shaped abrasive slides along the surface of the product to be treated while having the flat surface in slidable contact with the surface of the product to be treated which is an object surface to be treated, so that the surface of the product to be treated is flattened by removing the peaks only, without increasing the depth of the valleys of the roughness curve.

Abstract: As a means of increasing the productivity and improving the safety of an internal diameter cylindrical blast cleaning, the introduction of an attachment apparatus makes it possible to eliminate or dramatically reduce the use of personnel inside a blast chamber while the process is ongoing thus improving safety of the process and improving the productivity and uniformity of the blasting process. The apparatus includes three principal elements: a blast chamber in which a cylindrical product to be to be treated is mounted on a device that rotates the cylindrical product to be treated; one or more blasting systems and one or more blasting operators. The system includes a delivery means for delivering a blast material output device into the inside of cylindrical product.

Abstract: A media blast nozzle for cleaning a surface with compressed air and ejected particles of a sublimating blast media comprises a media size changer to change a size of the blast media particles. The media blast nozzle has an entrance and an exit and a throat therebetween. A converging passageway extends from the entrance to the throat, and a diverging passageway extends from the throat to the exit. The media size changer is operably located in the diverging passageway and has one or more media size changing members to fragment moving blast media particles by impact therewith. The blast media particles are provided to the media blast nozzle in an initial consistent size, and when a moving blast media particle impacts with one or more media size changing members, two or more fragments of reduced size are created from the initial blast media particle for ejection from the nozzle device. The media size changer can be adjusted by an operator to eject whole particles or fragments of particles.

Abstract: A processing apparatus is provided to surface-finish or otherwise process features of a workpiece, such as a lumen of a stent. The fluid jet apparatus can have a nozzle system and a holder for holding and positioning the workpiece with respect to the nozzle system. A fluid jet outputted from the nozzle system is used to form a desired surface-finish.

Abstract: An object of the present invention is to provide an ultrasonic bonding tool capable of bonding a lead wire, without any trouble, even to a surface of a thin-film base having a plate thickness of 2 mm or less such as a glass substrate. In the present invention, a surface portion of a chip portion (1c) of an ultrasonic bonding tool (1) used in an ultrasonic bonding apparatus has a plurality of planar portions (10) formed so as to be separated from one another, and a plurality of concavities (11) formed between the plurality of planar portions. Each of the plurality of planar portions (10) has a flatness of 2 ?m or less.

Abstract: Disclosed are a simple device for processing substrate which can make a surface of a processed substrate smooth, a method for processing substrate with the use of the processing device, and a method for producing a processed substrate with the use of the processing method.

Abstract: The invention provides a dosing device for a particulate material blasting apparatus comprising a dosing chamber having a base, a rotor carrying a plurality of circumferentially formed pockets ratably mountable with the chamber, a particulate product feed conduit adapted to feed particulate product onto a base of the dosing chamber adjacent a receiving side of the dosing chamber and a particulate product delivery conduit formed in the base of the dosing chamber adjacent a delivery side of the dosing chamber. The base of the dosing chamber is disposed with respect to the particulate product feed conduit such that particulate material will not spill over the base into the delivery conduit. The rotor is disposed with respect to the feed conduit such that particulate product fed onto the base of the dosing chamber will be picked up by the pockets formed in the rotor and lifted up and around the chamber from a receiving side of the dosing chamber to a delivery side of the dosing chamber.

Abstract: An abrasive blasting system including a magnetic drum, an airflow generator configured to create airflow, and a removable airwash cartridge that includes one or more angular feedplates with lips extending therefrom.

Abstract: In order to avoid using anti-stick paints, based on polytetrafluoroethylene or the like, on parts of cheesemaking machines which are to be in contact with hot curds (pastafilata), their surfaces are sandblasted with preferably virgin white corundum powder having a granulometry of about 180 mesh. Surprisingly, surfaces so treated are non-stick for the purposes mentioned above.

Abstract: An abrasive coating is formed on a rotor shaft that rotates with respect to cantilevered vanes. The coating is formed by thermal spray techniques and comprises a ceramic layer on a metal bond coat. The coating surface is roughened by crush grinding or by grit blasting to increase the abradability of the surface.

Abstract: A method and apparatus for removing contaminants from at least one portion of a semiconductor mold are disclosed. A nozzle is positioned at a preset position with respect to the portion of the semiconductor mold. Solid particles of a material that sublimes instantaneously along with at least one of the abrasives and additives are blasted at a predefined temperature and/or pressure over the portion, through the nozzle. On impact, the particles remove the contaminants from the portion of the semiconductor mold.

Abstract: The object of the present invention is to provide a method for shot peening by which a compressive residual stress that is higher than any achieved by the conventional method can be achieved while the thickness of the processed material that is scraped is suppressed. The method is characterized in that the shot materials are shot against the processed material that has the hardness of 750 HV or more that is calculated from equations (1) to (3) below. The shot materials have Vickers hardness that is higher than the hardness of the processed material by 50 HV to 250 HV. The thickness of the processed material that is to be scraped is suppressed to 5 ?m or less. HV(m)={f(C)?f(T,t)}(1??R/100)+400×?R/100??Equation (1) f(C)=?660C2+1373C+278??Equation (2) f(T,t)=0.

Abstract: A fluid jet system for achieving a kerf width less than 0.015 inches is provided. In one embodiment, the system includes an orifice mount having a high-pressure fluid bore and an abrasive bore configured to communicate an abrasive mixture in form of a paste or foam to at least a portion of the high-pressure fluid bore. The system further includes a pressure-generating bore and a thin kerf mixing tube respectively provided toward opposing longitudinal ends of the mount body, minimizing a distance therebetween. A method of in-situ recycling of abrasives in the high-pressure fluid jet system includes catching the exiting abrasive-fluid mixture in a catching device, filtering the mixture in a filtering device, and directly pumping the filtered abrasive-fluid mixture to the mixing area without requiring conditioning of the mixture to remove liquids.

Abstract: A method includes: charging a polishing material into a polishing apparatus that polishes a surface of a cylindrical film including a resin; alternately and repeatedly performing a surface-roughening operation of causing the polishing material to collide with the surface of the cylindrical film, thereby roughening the surface, and a cylindrical film replacing operation of replacing the cylindrical film on which roughening of the surface has been completed with another cylindrical film on which roughening of the surface has not been completed; replacing the polishing material by partially discharging the polishing material, and charging a new polishing material so that the percentage of the new polishing material with respect to the total amount of the polishing material after the new polishing material is charged becomes 30% by weight or more; and alternately and repeatedly performing the surface-roughening operation and the cylindrical film replacing operation again.

Abstract: A diffusion sheet includes a light-transmissive base member, a plurality of structures, and a flattened portion. The light-transmissive base member has a first main surface and a second main surface. The plurality of structures have convex shapes, which are randomly formed on the first main surface. The flattened portion is formed among the plurality of structures on the first main surface and has a surface roughness (Ra) equal to or lower than 0.6 ?m.

Abstract: A blasting apparatus capable of increasing suction power to collect an abrasive without exerting any influence on processing of a work surface with the abrasive. The apparatus includes a blasting nozzle (2) blasting an abrasive (100) on a surface (200a) of work (200), a cover (10) including a surface (10a) for airflow alignment parallel to the work surface and a blast hole (10b) through which the abrasive from the nozzle passes, a nozzle case (9) including the cover and surrounding the nozzle, and a collecting case (11) covering an outer surface of the nozzle case and including a collecting passage (11c) disposed around the nozzle case, from the passage, the abrasive being collected by suction, wherein the apparatus collects the abrasive that is blasted from the nozzle and strikes the work surface from the passage through a clearance (13) provided between the airflow-alignment surface and the work surface.

Abstract: A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface and bottom surface of the sheet metal across the sheet metal width as the material is advanced through the descaling cell. The rate of slurry impact against the at least one of the top surface and bottom surface of the sheet metal is controlled in a manner to remove substantially all of the scale from a surface of the sheet metal, and in a manner to create a passivation layer on the descaled surface of the sheet metal. The passivation layer comprises at least one of silicon, aluminum, manganese and chromium and inhibits oxidation of the descaled surface of the processed sheet metal.

Abstract: A cutting method by sandblasting in which cutting through of a workpiece and/or formation of a through-hole in the workpiece are/is performed by forming a resist on a plate-shaped workpiece and projecting abrasive against the workpiece to cut a portion of the workpiece where no resist is formed, comprises the steps of: forming the resist in a predetermined pattern on a front surface and a back surface of the workpiece symmetrically between the front and back by inkjet printing, and projecting the abrasive against each of the front and back surfaces of the workpiece to make a cut from the front surface side communicate with a cut from a back side at an approximately intermediate position of a thickness of the workpiece.

Abstract: Disclosed herein are methods of treating an article surface. The method comprises removing a metal oxide surface from the metal substrate to expose a metal surface; and delivering particles comprising a dopant from at least one fluid jet to the metal surface to impregnate the surface of the article with the dopant. The method also comprises delivering substantially simultaneously a first set of particles comprising a dopant and a second set of particles comprising an abrasive from at least one fluid jet to a surface of an article to impregnate the surface of the article with the dopant.

Abstract: An apparatus for removing scales from metal wires including: a liquid container tank 12 through which the metal wires 10 pass, mixing nozzles 14 disposed to allow the metal wirings to pass through the liquid container tank for injecting a high-pressure liquid toward the metal wires 10; a high-pressure pump 16 for feeding the high-pressure liquid to the mixing nozzles 14; and cyclone separators 20 which are slurry feeders for feeding a slurry of the liquid with which an abrasive scavenging agent is mixed to the mixing nozzles 14. The mixing nozzles 14 inject the slurry of the abrasive scavenging agent together with the high-pressure liquid so that the abrasive scavenging agent bombards the scales on the surfaces of the metal wires 10 to remove the scales.

Abstract: Impact consolidated powders form deposits that are densified by substantially simultaneous shot peening of the impact consolidated powder.

Abstract: The invention relates to a housing (80) for a solar absorber module (8) for a solar thermal power plant, comprising a first tapered housing section (81) with a first free end (82) to accommodate a ceramic solar absorber element (9) and a second end (83) with a reduced cross-sectional area compared to the first end (82), and a second housing section (84) with a cross-section substantially constant over its length, wherein the second housing section (84) is linked to the second end (83) of the first housing section (81). According to the invention, the housing (80) is characterized in that a wall (85) provided with a plurality of openings (86) and extending across the entire internal cross-section of the first housing section (81) is arranged in the first tapered housing section (81). The invention further relates to a method for producing such a housing (80) as well as a method for fastening the housing (80) to a support structure (11).

Abstract: Various embodiments of abrasive jet cutting systems are disclosed herein. In one embodiment, an abrasive jet system includes a cutting head configured to receive abrasives and pressurized fluid to form an abrasive jet. The system also includes an abrasive source configured to store abrasives that are supplied to the cutting head, as well as a fluid source configured to store fluid that is supplied to the cutting head. The system further includes a gas source configured to store pressurized gas that is selectively supplied to the cutting head. When supplied to the cutting head, the pressurized gas can advantageously affect, such as by at least partially diffusing, the abrasive jet.

Abstract: A method for machining at least one workpiece with multiple process includes providing a positioning assembly and at least two machining devices, positioning the at least one workpiece on the positioning assembly, positioning the positioning assembly on one of the at least two machining devices and machining the at least one workpiece, and transferring the positioning assembly together with the at least one workpiece on other different machining devices for undergoing different machining processes.

Abstract: In the method for manufacturing a droplet discharge head, a mold 100, including a convexity portion having convexities which have the substantially same shape as a liquid chamber including pressure chambers 21 and nozzle sections 21b, is prepared. A slurry SL is filled into the mold 100, and the mold 100 is placed on a porous plate 120. A solvent included in the slurry permeates into fine pores of the porous plate. Accordingly, the slurry is dried, so that a compact-after-dried 110 is formed. Thereafter, a vibration plate, and the like are joined to the compact, and the compact is fired. Further, piezoelectric elements, and the like are formed on the pressure chambers.

Abstract: A sandblasting apparatus includes a processing chamber, a sandblasting nozzle positioned on a top of the processing chamber, a support mechanism, an elevation mechanism, a worktable, and a cutting mechanism. The support mechanism is positioned in the processing chamber and opposite to the sandblasting nozzle. The support mechanism is used for supporting a template with a cutting pattern. The elevation mechanism is positioned on the bottom of the processing chamber. The worktable is located between the support mechanism and the elevation mechanism and configured for supporting a plate for processing and being opposite to the template. The center of worktable defines a through hole matching with the pattern of the template. The cutting mechanism is fixed on the elevation mechanism and faces the through hole. The elevation mechanism drives the cutting mechanism to move toward or away the worktable.

Abstract: An apparatus and method of removing scale from the surfaces of processed sheet metal and tubular metal employs a scale removing medium propelled by counter-rotating pairs of wheels positioned in close proximity to the metal surfaces.

Abstract: A ferritically nitrocarburized rotational member of a vehicle brake is disclosed, including a rotational member having a friction surface configured for braking engagement with a corresponding friction material. A compound zone is disposed at the friction surface. An exposed surface of the compound zone is exposed to an atmosphere. The area of the exposed surface includes from about 0 percent to about 14 percent graphite.

Abstract: A multi-axis machine includes a controller operable to control a nozzle which ejects a particulate material relative to a part surface to maintain a compound angle and predetermined stand off distance to remove surface and near-surface crack initiation sites.

Abstract: A device (33) for blast-machining or abrasive blasting objects such as structural elements, tools, household objects, pots, pans or the like, has a blast pot (3) for holding a blasting abrasive (35) which is connected via at least one line (21) to a blasting nozzle (24) which extends into a blasting space (1) in which the objects which are to be blasted can be placed. Compressed air is introduced above the blasting abrasive mixture (35) provided in the blast pot (3) by means of a pressure-generating means (43) and the blasting abrasive (35) thus being forced into the blasting space (1), the compressed air conveying via a second line (10) the granular material or the granular material mixture (35) and/or a suspension formed from granular material and liquid out of the blasting space (1) and back into the blast pot (3), which also takes the form of a pressurized space.

Abstract: An apparatus, method and computer program product for modifying a surface of a component is provided. In use, a surface of a component is translated relative to at least one jet for a period of time to form a plurality of features thereon.

Abstract: This invention provides a golf club head processing method of performing blast processing on a face surface on which a scoreline is formed. The processing method according to this invention includes the steps of filling the scoreline with a masking material before the blast processing, and removing the masking material from the scoreline after the blast processing.

Abstract: A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface and bottom surface of the sheet metal across the sheet metal width as the material is advanced through the descaling cell. The rate of slurry impact against the at least one of the top surface and bottom surface of the sheet metal is controlled in a manner to remove substantially all of the scale from a surface of the sheet metal, and in a manner to create a passivation layer on the descaled surface of the sheet metal. The passivation layer comprises at least one of silicon, aluminum, manganese and chromium and inhibits oxidation of the descaled surface of the processed sheet metal.

Abstract: A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface and bottom surface of the sheet metal across the sheet metal width as the material is advanced through the descaling cell. The rate of slurry impact against the at least one of the top surface and bottom surface of the sheet metal is controlled in a manner to remove substantially all of the scale from a surface of the sheet metal, and in a manner to create a passivation layer on the descaled surface of the sheet metal. The passivation layer comprises at least one of silicon, aluminum, manganese and chromium and inhibits oxidation of the descaled surface of the processed sheet metal.

Abstract: An interbody spinal implant including a body, the body comprising: a top surface; a bottom surface; opposing lateral sides; and opposing anterior and posterior portions; the top surface, bottom surface, opposing lateral sides, internal wall surface, and opposing anterior and posterior portions defining a substantially hollow center having a single vertical aperture defining an internal wall surface, the single vertical aperture (a) extending from the top surface to the bottom surface, (b) having a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and (c) defining a transverse rim, wherein at least a portion of the internal wall surface has a roughened surface topography.

Abstract: An abrasive throwing wheel assembly comprising a rotating wheel having a forward face including: a recess bounded circumferentially by an interior wall of a forward peripheral portion; a plurality of blade slots in the forward peripheral portion; and a groove, for receiving a retaining element, provided in the recess proximate the rearward base end of the interior wall. To prevent the retaining element groove from interfering with the attachment and removal of the blades, the assembly also includes: (a) the peripheral portion having a rearwardly sloped forward surface, (b) the interior wall diverging rearwardly toward the axis of rotation, and/or (c) the blade slots extending outwardly from the recess at a rearward angle.

Abstract: There is provided a method of manufacturing a chuck plate for an electrostatic chuck of good productivity which is free from poor releasing of a wafer which is a to-be-processed substrate, from the initial time of putting the electrostatic chuck to a new use. The method of manufacturing a chuck plate for electrostatic chuck ES which is made up of a dielectric body to cover a surface of the chuck main body having electrodes, includes the steps of: obtaining a sintered body by compression-forming raw material powder (or raw meal) into a predetermined shape and then sintering the same; forming, by polishing, such a surface of the sintered body as will come into contact with a substrate to be attracted, into a predetermined surface roughness and flatness; and performing blast processing for selectively removing only ready-to-be-separated particles that come into existence on the surface as a result of the polishing.

Abstract: An innovative method of prepping a surface entails entraining a coating particle into a fluid stream, directing the fluid stream containing the coating particle at the surface to be prepped to thereby prep the surface using the coating particle. The prepped surface can then be coated using the same or substantially similar coating particle. This method can be used with a continuous airjet, a forced pulsed airjet, a continuous waterjet or a forced pulsed waterjet as the carrier stream. This invention solves the problem of foreign blasting particles becoming embedded in the atomic matrix of the surface to be prepped, which can result in unpredictable behaviour of the surface properties and even catastrophic failure.

Abstract: Disclosed are embodiments of a method of removing patterned circuit structures from the surface of a semiconductor wafer. The method embodiments comprise blasting the surface of the semiconductor wafer with particles so as to remove substantially all of the patterned circuit structures. The blasting process is followed by one or more grinding, polishing and/or cleaning processes to remove any remaining circuit structures, to remove any lattice damage and/or to achieve a desired smoothness across the surface of the semiconductor wafer.

Abstract: An apparatus for mechanical spray treatment of materials has a container for preparing an abrasive suspension, the container having a stirring mechanism including a stirrer provided with at least one blade, and a sprayer for spraying the abrasive suspension connected to the container and a compressed gas supply device. The stirrer of the stirring mechanism has a comminuting cutter provided thereon in the bottom part of the container. The method for aerohydrodynamic abrasive cleaning of surfaces includes entraining the abrasive suspension flow in compressed gas to produce aerosol particles and directing the stream of aerosol particles from the sprayer nozzle to a surface. Moreover, after aerosol particles have been formed they are accelerated owing to the sprayer design within the sprayer before they are ejected from the nozzle.

Abstract: The present invention provides a method for producing a threaded joint capable of improving the life of an O.D. turning tool and consequently improving the life of a chaser. The method for producing a threaded joint, which includes O.D. turning the surface of a joint followed by threading, wherein, before the O.D. turning, the surface of the joint is descaled by shot blasting.

Abstract: Methods of producing an optoelectronic component having an active layer that emits electromagnetic radiation when the component is on and a luminescence conversion layer disposed after said active layer in a radiation direction of said electromagnetic radiation, the luminescence conversion layer is followed in the radiation direction by a light-scattering translucent layer include etching or sand blasting to form a light-scattering surface structure on the light-scattering translucent layer. The luminescence conversion layer preferably appears white owing to the light-scattering translucent layer disposed after it.

Abstract: A blasting device for blasting steel pipe inner surface includes a tubular carrier fluid inflow unit connected to one end of a horizontal steel pipe, and a negative pressure suction unit connected to the other end of the steel pipe. A polishing material or a wiping material is injected horizontally into the carrier fluid inflow unit along with a carrier fluid from a hole formed in the edge face of the tubular carrier inflow unit. The device provides improved blast performance as well as the capability to blast the inner surface from beginning portion to an end portion to provide an excellent inner surface texture.

Abstract: In substantial volume production operations involving hot blow forming or hot stamping of aluminum alloy sheet workpieces, debris largely comprised of particles of aluminum alloy material adheres to critical forming surfaces of the heated steel tools. This debris mars forming surfaces and causes defects in aluminum alloy parts formed against them. Such aluminum-rich debris may be reactively transformed to change its adherent properties and removed from tool surfaces without removing the heated tool from production. In one embodiment, a hot sacrificial magnesium sheet may be formed on the tool(s) to alloy with aluminum debris and carry it from the forming surface.