Abstract: An apparatus for preventing blockage of a floating stage includes a moving member moving between a floating stage for lifting a substrate and a nozzle disposed above the floating stage, and a cover installed on the moving member and moving between the floating stage and the nozzle by the moving member to cover the floating stage.

Abstract: The present invention relates to a moisture and oxygen barrier laminate with improved durability and flexibility. According to the present invention, there is provided a laminate, comprising: an inorganic barrier layer and a protective layer sequentially formed on one surface of a transparent substrate, wherein the protective layer includes an organic copolymer containing a repeating unit derived from a siloxane compound. The laminate according to the present invention can maintain excellent interlayer adhesion even when deformation such as bending is applied, thereby exhibiting excellent moisture and oxygen barrier properties.

Abstract: Disclosed are a capacitive micromachined ultrasonic transducer having an adjustable bending angle and a method for manufacturing same. The ultrasonic transducer according to one embodiment may comprise: a substrate; a plurality of transducer elements spaced apart from each other and stacked on top of the substrate; flexible hinges which are positioned between the plurality of transducer elements and formed so as to pass through the substrate; a first polymer layer formed so as to cover the bottom of the substrate; and an actuator layer formed under the first polymer layer.

Abstract: A semiconductor device includes a driving circuit arranged to be capable of supplying a drive signal in an ultrasonic band to a piezoelectric element, a damping circuit having a resistance load and an inductive load, and a control circuit arranged to be capable of controlling the driving circuit and performing a reverberation reduction operation after stopping the supply of the drive signal to the piezoelectric element. In the reverberation reduction operation, the control circuit controls the driving circuit to supply the piezoelectric element with a damping signal having a phase different from that of the drive signal, and then enables the damping circuit to connect to the piezoelectric element.

Abstract: A hydraulically powered separator includes a separation chamber, an auger, a restrictor ring mounted at an output end of the chamber, a hydraulic cylinder having a reciprocating ram, a proportional hydraulic valve operatively coupled to the hydraulic cylinder, and a controller operatively coupled to the proportional hydraulic valve so as to control the hydraulic cylinder in a closed-loop manner. The chamber receives and processes a food product and has a cylindrical screen including a plurality of apertures. The auger is rotatably disposed within the chamber and an annular space and a volume is defined between the auger and the screen. The restrictor ring can be linearly and reciprocally displaced. Linear displacement of the restrictor ring varies a size of the volume. Movement of the ram causes pivoting movement of the restrictor ring to reduce or increase the size of the volume.

Abstract: A system includes a conveyor and a computing device in communication with the conveyor. The conveyor has a plurality of carriers that are moved about and between at least one automated prescription picking system and at least one automated prescription packing system. Each carrier of the plurality of carriers is configured to receive at least one prescription from the at least one automated prescription picking system and deliver the at least one prescription to the at least one automated prescription packing system. The computing device includes at least one processor and a memory in communication with the at least one processor. The memory includes instructions that, when executed by the at least one processor, cause the at least one processor to: associate an identifier with each prescription of the at least one prescription; and track contents of each carrier of the plurality of carriers.

Abstract: To achieve a cleaning module and a substrate processing apparatus that can improve the cleaning capability for a substrate with a simple structure. A cleaning module includes a first transfer mechanism 210-1, an ultrasonic cleaning tank 440, a transfer machine 420, and a second transfer mechanism 210-2. The first transfer mechanism 210-1 is for transferring a substrate WF with a surface to be polished facing downward up to a substrate grip or release position 418 on a downstream side along a transfer passage 405. The ultrasonic cleaning tank 440 is disposed at a position spaced apart from the transfer passage 405 and is for cleaning a substrate WF with the surface to be polished facing downward. The transfer machine 420 is for transferring the substrate WF between the substrate grip or release position 418 of the transfer passage 405 and the ultrasonic cleaning tank 440.

Abstract: An apparatus for manufacturing a semiconductor device, including: a wet treatment chamber; a nozzle provided in the wet treatment chamber and configured to spray a treatment material onto a substrate; a supercritical fluid treatment chamber configured to supply a supercritical fluid onto the substrate to treat the substrate; a transfer device comprising an arm configured to transfer the substrate between the wet treatment chamber and the supercritical fluid treatment chamber; and a controller configured to control the wet treatment chamber to spray the treatment material onto the arm

Abstract: A method of cleaning a semiconductor wafer includes: loading a semiconductor wafer into a cell having an annular trough; moving a plurality of nozzles into operational orientations for spraying a cleaning solution onto a top surface of the loaded semiconductor wafer; spraying the cleaning solution from each nozzle onto the top surface of the loaded semiconductor wafer in a direction defined by each nozzle's operational orientation such that a patterned flow of cleaning solution is formed on the top surface of the loaded semiconductor wafer; and collecting the cleaning solution in the annular trough of the cell as it flows off the top surface of the loaded semiconductor wafer.

Abstract: A substrate processing method includes forming, by supplying a cleaning liquid, a liquid film of the cleaning liquid on the substrate; forming, by supplying a rinse liquid, a liquid film of the rinse liquid on the substrate, after the forming of the liquid film of the cleaning liquid; forming, by supplying a first organic solvent, a liquid film of the first organic solvent on the substrate, after the forming of the liquid film of the rinse liquid; forming, by supplying a second organic solvent, a liquid film of the second organic solvent on the substrate, after the forming of the liquid film of the first organic solvent; and drying the substrate after the forming of the liquid film of the second organic solvent. The second organic solvent has water solubility lower than that of the first organic solvent and a boiling point higher than that of the first organic solvent.

Abstract: A substrate processing method includes a substrate holding step of holding a substrate at a holding position surrounded by a cylindrical guard, a processing liquid supplying step of supplying a processed surface of the substrate with a processing liquid with which the processed surface of the substrate is processed while rotating the substrate held at the holding position about a rotation axis passing through a central portion of the substrate, an image acquiring step of acquiring an image of the processed surface of the substrate and an image of an inner wall surface of the guard while supplying the processing liquid to the processed surface of the substrate, and a detecting step of monitoring luminance values of the images obtained in the image acquiring step, and detecting a processing end time point at which processing of the processed surface of the substrate with the processing liquid is ended.

Abstract: An apparatus for cleaning a smoking vessel including a holding tank, a heating element, a first cleaning circuit, a pump and a secondary tank. The holding tank has a return port, an outlet port and a secondary tank port. The heating element is positioned in proximity to the holding tank. The first cleaning circuit has a first portion in fluid communication with a cavity of a smoking vessel, and a second portion fluid communication with the first and second portions also being in communication with the holding tank. The pump circulates through the first cleaning circuit. The secondary tank is in communication with the secondary tank port of the holding tank and further including a vent.

Abstract: Disclosed is a pipe pigging system for cleaning a pig and controlling a speed of the pig, the pipe pigging system including a pig configured to clean an inside of a pipe for raw material supply while moving in the pipe, a first station connected to a raw material supply side that is one end of the pipe and configured to launch the pig and receive the returned pig, a second station connected to a raw material reception side that is the other end of the pipe and configured to receive the pig launched from the first station and launch the pig toward the first station, a first compressed air supply unit and a second compressed air supply unit configured supply compressed air to the first station and the second station, respectively, to move the pig, a first pig cleaning unit and a second pig cleaning unit connected to the first station and the second station, respectively, to clean the pig contaminated after cleaning the pipe, and a control unit configured to control a pigging operation of the pig launched and re

Abstract: An apparatus includes a wafer stage and a particle removing assembly. The wafer stage includes a cup adjacent to a wafer chuck. The particle removing assembly is configured to remove contaminant particles from the cup. In some embodiments, the particle removing assembly comprises a flexible ejecting member that includes one or more elongated tubes, a front tip, and a cleaning tip adapter configured to attach the front tip to each of the one or more elongated tubes. The front tip includes front openings and lateral openings from which pressurized cleaning material are introduced onto an unreachable area of the cup to remove the contaminant particles from the cup.

Abstract: Films and articles are described comprising a microstructured surface having an array of peak structures and adjacent valleys. For improved cleanability, the valleys preferably have a maximum width ranging from 10 microns to 250 microns and the peak structures have a side wall angle greater than 10 degrees. The peak structures may comprise two or more facets such as in the case of a linear array of prisms or an array of cube-corners elements. The facets form continuous or semi-continuous surfaces in the same direction. The valleys typically lack intersecting walls. Also described are methods of making and methods of use. The microstructured surface of the article can be prepared by various microreplication techniques such as coating, injection molding, embossing, laser etching, extrusion, casting and curing a polymerizable resin; and bonding microstructured film to a surface or article with an adhesive.

Abstract: A method of determining a disposal methodology of a surgical kit includes determining a geographical location in which the surgical kit is being used, generating a location data based on the geographical location, and providing the location data set to a resource device. The method further includes receiving the disposal methodology from the resource device based on the location data set, then displaying a set of instruction based on the disposal methodology received from the resource device.

Abstract: A waste treatment plant integrates larvae-based natural processing with chemical processing for transforming animal waste into chemical products. The plant includes a pretreatment unit configured to receive animal waste, moisturize the animal waste with water, provide black soldier fly, BSF, larvae, and load a tray with a mixture of the animal waste, water, and the BSF larvae; a storage room configured to receive the tray and hold the tray between 10 and 14 days; a separation mechanism configured to receive a content of the tray after the 10 to 14 days, and separate the BSF larvae from undigested animal waste; a chitin and protein extraction unit configured to receive the BSF larvae and extract chitin and proteins; and a thermo-processing unit configured to receive the undigested animal waste and extract bio-oil and bio-char.

Abstract: A method and a device for producing medium-thickness plates with high thickness precision through a CVC steckel mill. The method includes the following: heating a blank in the heating furnace, and roughly descaling by the descaling machine; enabling the blank to enter the rolling mill, after multi-pass flat rolling, carrying out multi-pass rolling, carrying out linkage rolling of the rolling mill and the coiler furnaces in the rolling process, and enabling the rolling tension to reach a set value; controlling the temperatures of the coiler furnace to a set value in the coiling process; and in the rolling process, starting 30-70% of the original flow of cooling water of the working roll of the rolling mill; and after rolling is finished, finishing the production process through the laminar cooling system and the hot straightening machine respectively.

Abstract: A stretch reducer and/or calibrating rolling mill for rod-shaped bodies, in particular tubular bodies, in particular hollow bodies, said rolling mill comprising a plurality of rolling stands each comprising a plurality of rolling rollers mutually arranged so as to define a passage for said rod-shaped bodies, wherein said rolling stands are arranged in sequence along a rolling direction so that the respective passages are substantially aligned to define a rolling path substantially parallel to said rolling direction, wherein each of at least two of said rolling stands comprises three rolling rollers.

Abstract: In order to be able to determine the rolling or guiding gaps of the roll stands or guide stands in a multi-stand rolling mill, at a predetermined measurement precision, with the least possible effort, a master calibration and intermediate calibrations are carried out, wherein various calibration measures are refrained from, in a targeted manner. The targeted lack of recourse in the case of specific calibrations is also independently advantageous.

Abstract: An extrusion press for producing metal items by extruding a metal billet, said press comprising an extrusion die and a main cylinder including an extrusion punch adapted to be translated in two opposite directions, wherein the translation of said extrusion punch in a first extrusion direction results in a push against said billet and in the extrusion of said billet through said extrusion die, said press comprising a container and a movable punch holder crosspiece, both being translatable in two opposite directions parallel to the translation directions of said extrusion punch, wherein said container is adapted to be translated by means of at least a first dedicated cylinder including a first dedicated rod rigidly fastened to said container, and wherein said container is adapted to be moved close to said extrusion die by means of said dedicated first cylinder and rod so as to contain said billet.

Abstract: A wave rolling assembly and a process for manufacturing a component for a vehicle using the wave rolling assembly is provided. The process includes conveying a metal coil through a first leveler to present a metal sheet, and conveying the metal sheet through a looping pit. The metal sheet travels from the looping pit to the wave rolling assembly for forming a plurality of waves along the side edges of the metal sheet. The wave rolling assembly stretches the metal sheet. The wave rolling assembly can include a die assembly or a roll forming apparatus. The metal sheet is then conveyed through a second leveler to flatten the metal sheet. The metal sheet is cut into blanks and formed into the finished component in a blanking press and die assembly. Less scrap is generated due to the reduced thickness along the edges and overall increased width of the blanks.

Abstract: This hot stamped member includes: a steel; and a plating layer formed on the steel, in which the plating layer has a predetermined chemical composition, the plating layer contains a Zn-based oxide including one or two of a Zn oxide and a Zn—Mg oxide having a size of 1.0 ?m or more and 10.0 ?m or less in a thickness direction of the plating layer and 0.1 ?m or more in a direction perpendicular to the thickness direction, and in a cross section of the plating layer in the thickness direction, when a length of an interface between the plating layer and the steel is indicated as Le, a sum of lengths of the Zn-based oxide projected onto the interface from an upper surface of the plating layer is indicated as ?Li, and a sum of lengths of portions of the Zn-based oxide in contact with the plating layer projected onto the interface from the upper surface of the plating layer is indicated as ?Lai, ?Li/Le?0.10 and ?Lai/?Li?0.50 are satisfied.

Abstract: A system for forming a steel material includes a first binder, a second binder, a punch and a carrier blank. The first binder and the second binder are configured to form a draw bead shape in the steel material by compressing the steel material between a draw bead protrusion and a draw bead channel. The punch is configured to form the steel material relative to the first binder and the second binder. The carrier blank is positioned on a surface of the steel material and is configured to cover a portion of the draw bead shape during formation of the draw bead shape in the steel material.

Abstract: An ironing system includes a ram, a sensor system, and a punch nose. The ram includes a ram body and a ram nose, and the ram includes an inner surface that defines an inner chamber. The punch nose is connected to the ram nose via the sensor, and the sensor is configured to detect a force on the punch nose during an ironing process. An adaptor may be coupled to the inner surface of the ram, and the adaptor may support the sensor on the ram body.

Abstract: A feeding device may include a first linear driving structure, a second linear driving structure, a delivery structure, and an adjusting structure, where the first linear driving structure may include a first output end configured to reciprocate in a first direction; the second linear driving structure may include a second output end configured to reciprocate in a second direction; one end of the delivery structure may be rotatably connected to the first output end around a first axis, the first axis being perpendicular to the first direction; and the adjusting structure may be configured to connect the other end of the delivery structure to the second output end, such that the delivery structure can be driven by the second output end to rotate around the first axis.

Abstract: Disclosed is a method for manufacturing a metal packaging in the form of a bottle. The method includes a step of forming a tubular part, in order to form a threaded neck. This manufacturing method includes, prior to at least one operation for forming a roll, preferably prior to the step of forming the tubular part, a step of localised annealing which is carried out in order to confer an annealed state on the tubular part, at least over the height of a downstream strip of the tubular part intended to be formed into a roll.

Abstract: A method and equipment for forming a front toothing having a plurality of radial teeth on an annular collar of an inner ring of a wheel hub, wherein a plurality of first knives are axially and sequentially impressed on the annular collar and have a first predetermined circumferential profile (P1) configured to form radial reliefs which are spaced by imprints and have a rounded circumferential profile corresponding to the profile of the ridges of the radial teeth to be obtained; thereafter, a plurality of second knives are axially and sequentially impressed on the annular collar inside the imprints and have a third predetermined circumferential profile (P3) configured to reproduce in reverse at least part of respective opposite flanks of the radial teeth of the front toothing to be obtained.

Abstract: A method and equipment for forming a front toothing having a plurality of radial teeth on an annular collar of an inner ring of a wheel hub, wherein a plurality of first knives are axially and sequentially impressed on the annular collar and have a first predetermined circumferential profile (P1) configured to form radial reliefs which are spaced by imprints and have a rounded circumferential profile corresponding to the profile of the ridges of the radial teeth to be obtained; thereafter, a plurality of second knives are axially and sequentially impressed on the annular collar inside the imprints and have a third predetermined circumferential profile (P3) configured to reproduce in reverse at least part of respective opposite flanks of the radial teeth of the front toothing to be obtained.

Abstract: A binding device includes a binding mechanism configured to feed a wire around a reinforcing bar, and to twist and bind the wire fed around the reinforcing bar, a binding mechanism moving part configured to move the binding mechanism between a binding position where binding of the reinforcing bar is performed and a retreat position distant from the reinforcing bar, and a wire pull-out part configured to pull out the wire wound on the reel. The wire pull-out part includes a transmission part to which an operation of the binding mechanism moving part is transmitted, and the transmission part is configured such that an amount of the wire pulled out by the wire pull-out part is different from an amount of movement of the binding mechanism moved by an operation of the binding mechanism moving part.

Abstract: A process for reusing or repurposing materials includes providing one or more metal products, heating the one or more metal products and pressing the one or more heated metal products in a die to produce a construction component. A roofing product includes a plate-like body formed from heating the one or more metal products and pressing the one or more heated metal products in a die and includes one or more surfaces surrounding the plate-like body and having patterned treatments.

Abstract: A power tool including a motor at least partially located within the handle of the tool and having a first motor rotational axis extending along a longitudinal axis of the handle; and a fastener gripping portion operatively coupled to the motor via a transmission which in use causes movement of the fastener gripping portion along a second axis, between a home position and a retracted position to set a fastener engaged by the fastener gripping portion; the transmission including a bevel gear arrangement for redirecting torque to the second axis, and further including a mechanism for converting torque output from the bevel gear arrangement in use into a linear force for causing linear movement of the fastener gripping portion.

Abstract: The invention relates to a method of producing an article selected from the group consisting of casting mold, core, feeder and molding compound for production of part of a casting mold, core or feeder, comprising the following steps: (S1) producing or providing in the foundry: a first component (A), comprising a first binder component (b1) of a binder system and an amount of a first mold base material and, spatially separated therefrom, a second component (B), comprising a second binder component (b2) of the binder system and an amount of a second mold base material wherein the first binder component (b1) and the second binder component (b2) are suitable for chemical reaction with one another and for curing of a mixture of the first component (A) and the second component (B), (S2) mixing by contacting the first component (A) and the second component (B) in a particular mass ratio, so as to result in a self-curing molding compound.

Abstract: The present invention relates to the use of closed-pore microspheres of expanded perlite as a filler for producing moldings for the foundry industry, to a composition for producing moldings for the foundry industry, comprising closed-pore microspheres of expanded perlite as a filler, and a binder, the binder being selected from the group consisting of water glass, phenol-formaldehyde resins, two-component systems comprising as reactants a polyisocyanate and a polyol component containing free hydroxyl groups (OH groups), and starch, and also to moldings for the foundry industry and to a process for producing a molding for the foundry industry.

Abstract: A new method of manufacturing a dual investment reticulated solid mold for producing reticulated metal foam, that includes 3D printing of a wax or resin reticulated precursor prior to pre-investment with a pre-investment plaster or pre-investment ceramic plaster, and removal of the precursor before addition of liquid metal to generate reticulated metal foam.

Abstract: According to the present invention, an additively manufactured ceramic core having both strength and collapsibility, and meltability and moreover having surface roughness improved is provided. The additively manufactured ceramic core disclosed herein is an additively manufactured ceramic core to be used as a core when manufacturing a metal casting and includes a central part corresponding to an additively manufactured fired body of a predetermined ceramic powder, a first layer covering at least a part of the central part, and a second layer formed on a surface layer of the first layer.

Abstract: Described are processes for continuously casting aluminum alloys, wherein the alloys comprise or are modified to comprise Mg. The processes involve adding Ca to the molten aluminum alloy prior to casting in order to decrease surface defects and exudates in the cast aluminum alloys.

Abstract: Disclosed is an amorphous nanocrystalline alloy strip. When the amorphous nanocrystalline alloy strip is cut into a plurality of narrow strips having a same width of less than or equal to 10 mm, a relative length difference among the plurality of narrow strips is not greater than 0.50%. Further disclosed is a method for manufacturing the amorphous nanocrystalline alloy strip. The amorphous nanocrystalline alloy strip has good surface flatness. The transverse temperature non-uniformity of molten steel inside a melting pool and the surface temperature non-uniformity of a cooling roller within a strip manufacturing position range are controlled in a process of manufacturing the amorphous nanocrystalline alloy strip, so that the surface flatness of the manufactured strip is improved. The manufacturing process is simple and convenient.

Abstract: A mold for continuous casting includes a cylindrical mold body with one end serving as a molten metal supply port and the other end serving as an ingot outlet, and a carbon ring arranged on the inner peripheral surface of the cylindrical mold body, wherein the carbon ring is configured by stacking a first ring member arranged on the one end side and a second ring member arranged on the other end side.

Abstract: Provided is a cleaning device for cleaning a magnet powder including: a flask provided to contain the magnet powder and a cleaning material used to clean the magnet powder; and a vacuum manifold provided to maintain the magnet powder and the cleaning material contained in the flask in an inert state during cleaning. Provided is a method for cleaning a magnet powder including a loading operation for loading a magnet powder, a cleaning solution, and zeolite into a flask; a gas injecting operation for injecting an inert gas into the flask; and a vacuum drying operation for drying the magnet powder and the zeolite in a vacuum.

Abstract: A method for producing water-atomized metal powder by dividing a molten metal stream, which is falling in a vertical direction, by spraying cooling water that impinges on the molten metal stream includes a step of spraying the cooling water at a spray pressure of 10 MPa or more and a spread angle in a range of 5° to 30° from each of three or more cooling water discharge ports arranged remote from the falling molten metal stream. The droplet diameter of the cooling water: 100 ?m or less, the convergence angle: 5° to 10°, and the water/molten steel ratio: 50 or more.

Abstract: A method for manufacturing a three-dimensional object includes: a modeling step of modeling an intermediate object by applying a binding fluid to a metal powder containing titanium; and a sintering step of sintering the intermediate object to produce a three-dimensional object. The modeling step is performed in a vacuum or inert gas atmosphere. When the modeling step is performed in a modeling area and the method includes a curing step of curing the binding fluid included in the intermediate object in a curing area different from the modeling area after the modeling step and before the sintering step, the curing step is performed in a vacuum or inert gas atmosphere. A moving path for moving the intermediate object having gone through the modeling step from the modeling area to the curing area is in a vacuum or inert gas atmosphere.

Abstract: A method for additively manufacturing components includes additively printing a metallic preform such that the preform contains a predetermined amount of porosity. Furthermore, the method includes working the additively printed preform such that the preform incurs a predetermined amount of deformation. Moreover, the method includes heat treating the worked preform to form a final component.

Abstract: A printing system is disclosed, including a metal ejecting apparatus, which may include a structure defining an inner cavity to receive a metal printing material, and a nozzle orifice in connection with the inner cavity and configured to eject one or more droplets of a liquid metal may include the metal printing material. The printing system also includes a first print material feed system configured to supply a first print material into the inner cavity. The printing system also includes a second print material feed system may include a second print material configured to measure a level of metal printing material in the inner cavity, where the second print material is a wire. A method of sensing and controlling level in a metal jetting apparatus is also disclosed.

Abstract: Provided are a method for manufacturing an alloy member, and an alloy member, the alloy member having excellent mechanical properties and corrosion resistance, and further having abrasion resistance, and being manufactured by an additive manufacturing method using an alloy powder. The method for manufacturing an alloy member is characterized by having: an additive manufacturing step for forming an alloy substrate by means of a laminate shaping method using an alloy powder comprising, in an amount range of 5 atomic % to 35 atomic %, respectively, each element of Co, Cr, Fe, Ni, and Ti, and in an amount of 0 atomic % to 8 atomic % (exclusive of 0 atomic %) of Mo, with the balance being unavoidable impurities; and a surface treatment step for performing a surface treatment on the alloy substrate.

Abstract: A shaping composition for controlling deformation of a green body object can include from about 10 wt % to about 80 wt % liquid vehicle, and from about 10 wt % to about 90 wt % metal particulates. The metal particulates can include from about 35 wt % to about 90 wt % high melting point metal particles, from about 10 wt % to about 65 wt % aluminum alloy particles, and from about 0.1 wt % to about 10 wt % metal complex selected from an inorganic metal salt, an organic metal salt, or a metal oxide. The metal of the metal complex can include copper, iron, aluminum, chromium, titanium, cobalt, silver, gold, nickel, tin, or zinc.

Abstract: A powder bed fusion apparatus for building an object, including a processing chamber having a processing chamber aperture, scanner arranged to direct an energy beam to locations in a plane of the aperture and debuilding chamber having a debuilding chamber aperture. The apparatus includes a build chamber including a build sleeve and platform movable therein for supporting powder, the platform including a seal for engaging with the sleeve walls to prevent flow of powder past the platform; and at least one drive mechanism for driving movement of the platform. A translation mechanism moves the chamber between a building position, wherein the sleeve aligns with the processing aperture so an energy beam can be delivered to consolidate powder to build the object, and debuilding position, wherein the sleeve aligns with the debuilding aperture so the object and powder can be inserted into the debuilding chamber through movement of the platform.

Abstract: The present invention constructs, in an AM system, such an environment that fine particles are prevented from scattering from an area where the fine particles such as a powder material can be present to another area. According to one aspect, an AM system configured to manufacture a fabrication object is provided. This AM system includes a fabrication chamber in which an AM apparatus is disposed, and a buffer chamber in communication with the fabrication chamber. The buffer chamber includes an entrance in communication with a surrounding environment, an exit in communication with the fabrication chamber, a grating floor, and an exhaust port. The AM system further includes a first gate configured to be able to open and close the entrance of the buffer chamber, and a second gate configured to be able to open and close the exit of the buffer chamber.

Abstract: A powder bed fusion additive manufacturing (PBF-AM) apparatus includes an electron gun chamber, a build chamber, a first vacuum pump, a second vacuum pump, and a beam path. In addition, the three-dimensional PBF-AM apparatus includes a differential evacuation aperture, a focusing lens, and an axis adjustment mechanism. The differential evacuation aperture divides an internal space of the beam path into two, and has a restriction hole through which an electron beam can pass. The focusing lens is configured to focus the electron beam by a restriction hole of the differential evacuation aperture. The axis adjustment mechanism is configured to adjust a trajectory of the electron beam or positions of the focusing lens and the differential evacuation aperture so that an optical axis of the electron beam passes through both the center of the restriction hole and the center of the focusing lens.

Abstract: The invention relates to a manufacturing system including a holder suitable to hold first particles of a first powder in proximity to one another, and a connection scheme which, when employed, connects the first particles to one another to form a part.