Abstract: A jig for processing a via hole according to an embodiment is an auxiliary member having a plate shape disposed between a processing plate in which a suction portion is disposed at a lower portion and a workpiece, wherein the auxiliary member includes a plurality of first suction holes for sucking and supporting the workpiece by suction air provided through the suction portion, and each of the plurality of first suction holes includes a first suction hole portion extending in a first direction, and a second hole portion extending in a second direction different from the first direction, wherein the first direction is perpendicular to the second direction.

Abstract: A welding gun includes first and second movable arms, and first and second welding electrodes. The first and second movable arms are movable upward and downward. The first and second welding electrode are disposed respectively on the first and second movable arms. The welding gun is capable of performing a first mode in which the first and second welding electrodes are brought into contact with one side of a workpiece to weld the workpiece, and a second mode in which the workpiece is sandwiched by the first and second welding electrodes to weld the workpiece. The first and second welding electrodes are pivotally supported by the first and second movable arms, respectively. Each of the first and second welding electrodes has a rotatable roller shape. The first movable arm includes a first slide mechanism configured to allow the first welding electrodes to slide to below the second welding electrode.

Abstract: A method of manufacturing a vapor deposition mask device includes: a preparing step of preparing a vapor deposition mask that includes a plurality of through-holes extending from a first surface to a second surface; and a welding step of welding the vapor deposition mask to a front surface of a frame that includes the front surface and a back surface opposite to the front surface.

Abstract: A control method of laser processing, a laser processing apparatus, and non-transitory computer readable storage medium are provided. The control method of laser processing includes the following. An image of a to-be-processed material is captured via a camera mounted on a laser processing apparatus, where the captured image is used for depicting the to-be-processed material and lines drawn on the to-be-processed material. Processing lines of the to-be-processed material are identified according to the drawn lines in the captured image. Laser processing is performed on the to-be-processed material according to the processing lines, to obtain a laser product corresponding to the drawn lines.

Abstract: This narrow-hole electric discharge machine (100), which performs electric discharge machining by relatively moving a narrow-hole electrode (28) attached to a main spindle (114) and a workpiece (130) attached to a table (118), comprises: a positioning guide (16) which is attached to a guide arm (142) below the main spindle, through which the narrow-hole electrode is inserted such that a lower portion of the narrow-hole electrode is movable in the direction of an axis line (CL0), and which supports the narrow-hole electrode; and a power feeder (10) which is provided at a predetermined position directly above the positioning guide of the guide arm, comes into direct contact with the narrow-hole electrode movable in the axis line direction and feeds power to the narrow-hole electrode, wherein the distance from a power feed position to the tip of the positioning guide is constant regardless of the length of the narrow-hole electrode.

Abstract: The present disclosure provides a method for preparing a superhydrophobic surface of an aluminum alloy through laser peening, including the following steps: coating a surface of the aluminum alloy as an absorption layer with an organic component-containing confinement layer to obtain a coated aluminum alloy, where the organic component-containing confinement layer is a mixed organic solution including 5 mL to 10 mL of perfluorooctyltriethoxysilane (FOTS), 100 mL to 200 mL of absolute ethanol, and 30 mL to 50 mL of distilled water; and subjecting a surface of the coated aluminum alloy to the laser peening to form the superhydrophobic surface.

Abstract: This invention introduces a pneumatic chip transfer mechanism for laser ungluing needles in the semiconductor optoelectronic field. It comprises upper and lower platform mobile systems, and a central transfer platform system equipped with a transfer slide, vertical power module, needle clamping bracket, and a laser-assisted needle assembly. This assembly includes a laser section with a window, a pneumatic section with an inlet hole, and a micro-hole needle aimed at the blue film assembly on the lower platform. A camera assembly, laser bracket, and laser generator are also integral parts. The mechanism employs a laser generator to modify blue film material properties, creating a bubble that facilitates chip detachment onto a target substrate. This design ensures efficient, flexible Mini/Micro LED chip transfers, revolutionizing chip detachment methods with its innovative approach to leveraging laser and pneumatic technologies for optimal performance.

Abstract: A one-piece generator housing locates and secures the generator stator assembly, rotor bearings, and brush holder, and provides for attachment of the housing assembly to the engine interface. The disclosed one-piece housing completely encloses the stator and rotor assembly of the generator. An embodiment of the one-piece generator housing is applied to welding machine applications that use an in-line engine. With this type of engine, the power take-off (PTO) is normally the engine flywheel, and the variety of engine interfaces to which to mount the generator become more diverse. In an embodiment, the rotor has a flange with integral cooling fan blades that bolts to the flywheel. A shorter adapter is used in order to access the fasteners that attach the rotor shaft to the flywheel. The housing attaches to the adapter using cast-in bosses and bolts.

Abstract: A three-dimensional (3D) metal object manufacturing apparatus is configured to increase the oxidation of ejected melted metal drops for the formation of metal support structures during manufacture of a metal object with the apparatus. The oxidation can be increased by either increasing a distance between the ejector head and a platform supporting the metal object or by providing an air flow transverse to the direction of movement of the melted metal drops, or both.

Abstract: A dual-pulse MIG welding power source based on SiC power devices may include a main circuit and a digital control circuit. The main circuit may include a power frequency rectifier filter module, a first SiC high frequency inverter module, a first high frequency transformer, and a first SiC fast full-wave rectifier filter module connected sequentially. The power frequency rectifier filter module may be connected to a three-phase AC power supply, and the first SiC fast full-wave rectifier filter module may be connected to a load. The digital control circuit may include a digital human-machine interaction module, a core control module, a SiC high-frequency drive module, a load voltage and current detection feedback module, and a wire feeding control module. The digital human-machine interaction module may be connected to the core control module.

Abstract: One object of the present invention is to provide a technique capable of counting the spatters by a simple method while suppressing costs, and the present invention provides a spatter counting method performed by a portable terminal device provided with an image capturing device comprising: an image capturing step of capturing a moving image of an area including spatters generated during welding: and a counting step of counting a number of the spatters captured in each still image constituting the moving image captured in the capturing step.

Abstract: This application relates to a method and system for cutting a brittle body. In one aspect, the method includes preparing a brittle body having a rotary shaft. The method may also include forming a scribing line by irradiating laser on the brittle body along a preset route by using a laser irradiation unit. The method may further include cutting the brittle body by bringing a vibration unit that vibrates at a preset frequency in contact with a first region of the brittle body, which is spaced apart from the scribing line.

Abstract: A method of securing a first component part and a second component part together, the method comprising providing an electrically conductive member between a first surface of the first component part and a facing first surface of the second component part and securing the first and second components together by passing a current through the electrically conductive member. The electrically conductive member may comprise a first portion connectable to a source of current and a second portion electrically connected to the first portion and comprising a plurality of sub-conductive members. The electrically conductive member may be distributed across at least 50% of the surface area of the first surface of the first component part.

Abstract: Additive manufacturing systems and methods utilizing an optical light valve configured to spatially modulate the intensity of a laser beam, in conjunction with a writing and erasing sub-system configured to repeatedly write and erase patterns in the optical light valve to repeatedly vary the spatial modulation of the laser beam. In some implementations, the systems and methods may also employ additional laser beams or other energy sources that are not spatially modulated by the optical light valve. In some implementations, the systems and methods may employ additional laser beams or other energy sources configured to reduce surface roughness of the powder or other material being used for additive manufacturing.

Abstract: A surgical stapler includes a first stapler half a second stapler half configured to releasably couple together. The second stapler half includes a first elongate member, a second elongate member, and a polymeric body that encapsulates at least a portion of each of the first elongate member and the second elongate member. One of the first stapler half or the second stapler half includes a distal portion configured to receive a staple cartridge, and the other of the first stapler half or the second stapler half includes a distal portion having a plurality of staple-forming pockets.

Abstract: Disclosed are a 4D printing method and application of titanium-nickel shape memory alloy. The 4D printing method comprises the following steps: mixing and smelting pure titanium and pure nickel to obtain titanium-nickel alloy bars, then preparing alloy powder by a rotating electrode atomization method, and sieving the powder to obtain titanium-nickel alloy powder with a particle size of 15-53 ?m; placing the obtained titanium-nickel alloy powder in a discharge plasma assisted ball mill for discharge treatment to perform surface modification of the powder; and subjecting the titanium-nickel alloy powder to SLM forming to obtain the titanium-nickel shape memory alloy.

Abstract: An electrode device for water-cooling type resistance welding that constantly circulates cooling water efficiently to the proximity of an electrode tip, allowing the electrode to stably cool down. A cooling pipe 11 is inserted inside a device body 1 from a lower side thereof, and cooling water ejected from a tip opening 11a of the cooling pipe 11 cools a cap tip 10 placed on the tip of a shank 8. The cooling pipe 11 is movable in the axial direction of the device body 1 and fixable at any position. As a result, even with a change in the length of the shank 8, the tip opening 11a of the cooling pipe 11 can always be positioned in the proximity of the cap tip 10, allowing the cap tip 10 to cool down reliably and the form of the electrode tip to be maintained stably for a long time.

Abstract: Briefly, the present disclosure relates generally to welding applications and, more particularly, to welding tracking and/or motion systems.

Abstract: A laser radiation optical system for laser doping and post-annealing, the laser radiation system including A. a laser apparatus configured to generate pulsed laser light that belongs to an ultraviolet region, B. a stage configured to move a radiation receiving object in an at least one scan direction, the radiation receiving object being an impurity source film containing at least an impurity element as a dopant and formed on a semiconductor substrate, and C. an optical system including a beam homogenizer configured to shape the beam shape of the pulsed laser light into a rectangular shape and generate a beam for laser doping and a beam for post-annealing that differ from each other in terms of a first beam width in the scan direction but have the same second beam width perpendicular to the scan direction.

Abstract: A device is provided for setting a focus position (z) of a laser beam in a laser machining system. The device comprises a computing unit configured to calculate a time-dependent value zt of the focus position (z), wherein the computing unit calculates the time-dependent value zt of the focus position (z) based on a first parameter and a second parameter, wherein the first parameter indicates a magnitude A of a laser-power dependent focus shift per power unit and the second parameter indicates a time constant ? of a change in focus position due to a thermal lens by a factor of 1/e, and a control unit configured to use a mechanism for setting the focus position (z) to set the focus position (z) of the laser beam based on the time-dependent value zt of the focus position (z).