Abstract: A first flexible electronic circuit includes a non-conductive substrate and a conductive trace layer, including a bonding pad, on a surface of the non-conductive substrate. A second flexible electronic circuit likewise includes a substrate and a conductive trace layer, including a bonding pad, on a surface of the non-conductive substrate. The second flexible electronic circuit also includes a conductive interface layer on an opposite surface of the non-conductive substrate to the bonding pad. A plurality of vias, filled with conductive material, extend through the substrate of the second flexible electronic circuit and couple the conductive interface layer to the bonding pad. The bonding pads are brought in contact with each other, and energy (e.g., ultrasonic energy or thermal energy) is applied to the conductive interface layer until the bonding pads are bonded (e.g., ultrasonically welded or soldered) to each other.

Abstract: A wedge bonding tool is provided. The wedge bonding tool includes a body portion and a tip portion at a terminal end of the body portion. The tip portion includes a groove surface defining a groove. The groove is configured to receive a wire during a wire bonding operation. The groove surface includes a plurality of laser scribed recesses.

Abstract: A battery module with enhanced stability against fire and explosion. The battery module includes a cell assembly having a plurality of secondary batteries, a lower case having an open top and having an accommodation space, an upper case coupled to the lower case to cover the open top of the lower case and having a connection hole perforated to communicate with the accommodation space; an upper cover coupled to the upper case to cover an upper portion of the upper case and configured to form a buffer space spaced apart from the upper case, the upper cover having a discharge hole perforated so that the buffer space communicates with the outside; and at least one partition member extending in a horizontal direction inside the buffer space to form a moving passage extending from the connection hole to the discharge hole and configured to have an adjustable extension length.

Abstract: An iron holder includes a stand body, a rest, and a heat shield configured to at least partially surround a soldering iron. The stand body includes a tip support portion, a base portion, an intermediate portion, an accessory holding portion, and a handle support portion. The tip support portion is higher in elevation than the handle support portion, creating a tip-up angle for the soldering iron to rest at. The heat shield is disposed at the tip support portion and comprises one singular piece of metal that is bent into a half-pipe shape and perforated with holes. The handle support portion has a rubberized cover for additional grip and heat insulation. The rest ensures that a tip of the soldering iron does not contact the heat shield. In the tip-up orientation, the soldering iron handle is less likely to increase in temperature from the tip of the soldering iron.

Abstract: A method and a device that bridge an interruption in production in a combined casting-rolling installation to provide a combined casting-rolling installation for producing a hot-rolled finished strip, in which, in the case of an interruption, also thick precursor material having a thickness of >30 mm can be separated in a rapid and reliable manner from the next precursor material.

Abstract: The present disclosure is directed to methods of preparing substantially spherical metallic alloyed particles, having micron and sub-micron (i.e., nanometer)-scaled dimensions, and the powders so prepared, as well as articles derived from these powders. In particular embodiments, these metallic alloyed particles, comprising rare earth metals, can be prepared in sizes as small 80 nm in diameter with size variances as low as 2-5%.

Abstract: A technique relating to a battery structure is disclosed. Abase substrate and a battery layer having a support substrate are prepared. The battery layer includes a protection layer formed on the support substrate, a film battery element formed on the protection layer and an insulator covering the film battery element. The battery layer is placed onto the base substrate with the bottom of the support substrate facing up. The support substrate is then removed from the battery layer at least in part by etching while protecting the film battery element by the protection layer. A stacked battery structure including the base substrate and the two or more battery layers is also disclosed.

Abstract: A low-pressure casting apparatus includes a lower mold disposed on a holding furnace, an upper mold configured to be raised and lowered relative to the lower mold, and a plurality of side molds disposed above the lower mold. A cavity is formed between the lower mold, the upper mold and the side molds. The lower mold includes a lower cast main part forming an inner bottom surface of the cavity, and a lower mold base part holding the lower cast main part. The lower cast main part has a sprue bushing that opens into the cavity. At least one of the side molds is advanceable and retractable relative to a mold center. The lower mold base part has guide pillars that restrict advanced positions of the side molds. The horizontal adjustment gap is provided between the lower cast main part and the lower mold base part.

Abstract: A bonding system for bonding a semiconductor element to a substrate is provided. The bonding system includes a bonding tool assembly for bonding a semiconductor element to a substrate. The bonding system also includes a support structure assembly for supporting the substrate. The bonding system further includes a vacuum sensor for sensing a vacuum leakage at an interface between the bonding tool assembly and the support structure assembly during contact therebetween. The vacuum sensor is also used in connection with a tilt adjustment between the bonding tool assembly and the support structure assembly.

Abstract: A casting device and a casting processes for producing a cast component in a mold in which a mold cavity is formed, and a cast component produced by means of the casting process. The casting device includes a first melt feeder, configured to receive a first molten material, a second melt feeder, configured to receive a second molten material, and a feed device configured for simultaneous or temporally independent charging of the mold cavity with the first molten material from the first melt feeder and the second molten material from the second melt feeder by means of gravity. It is provided that the feed device has at least one first outlet that can be introduced into the mold cavity and can be moved relative to the mold cavity in order to charge the mold cavity with the first molten material and/or the second molten material.

Abstract: A battery includes an electrode assembly including a cathode including a cathode collector, a cathode active material layer provided in a first region of a surface of the cathode collector, and an insulating layer provided in a second region of the surface of the cathode collector and adjacent to the cathode active material layer, an anode including an anode collector and an anode active material layer provided in a region of a surface of the anode collector and a separator provided between the cathode and the anode. At least a portion of the separator is configured to be attached to at least a portion of the insulating layer.

Abstract: A method of manufacturing an Sm—Fe—N magnet includes filling a metal sheath with a magnet powder including an Sm—Fe—N compound as a main component and sealing the metal sheath, applying a magnetic field to the magnet powder sealed in the metal sheath, and magnetizing the magnet powder by magnetically orienting the magnet powder and aligning a direction of magnetic orientation in one direction, preliminarily rolling the magnetically oriented magnet powder sealed in the metal sheath to make the magnetically oriented magnet powder into a green compact, and pressurizing the green compact sealed in the metal sheath and densifying the green compact to form a magnet body, wherein the preliminary rolling is performed by lightly rolling the magnetically oriented magnet powder sealed in the metal sheath with a pressure smaller than a pressure for pressurizing the green compact.

Abstract: A casting process of a central rotary joint includes the steps of obtaining an upper casting mold, a lower casting mold, and a sand core through 3-dimensional printing, inserting the chill into the sand core, placing the sand core with the chill in the lower mold, inverting the upper mold onto the lower mold to form a assembled mold and define a casting cavity and a vertical pouring channel connected to the casting cavity between the upper and lower molds, injecting liquid iron into the casting cavity through the vertical pouring channel, unmolding after the liquid iron is condensed to obtain the central rotary joint. Through the vertical pouring channel, the chill and related processes, the sequential solidification of the liquid iron is achieved, effectively avoiding deformation and shrinkage porosity caused by the shrinkage of the liquid iron and graphite expansion during the solidification process.

Abstract: A method of brazing golf club components composed of dissimilar materials, and particularly titanium and steel materials, is disclosed herein. The method includes the steps of preparing surfaces of the components for brazing, applying to at least one of the surfaces a nickel-based filler, fixturing each of the first and second golf club components within a vacuum brazing furnace so that the surfaces face one another, and performing at least one brazing cycle within the vacuum brazing furnace.

Abstract: Disclosed is a combined treatment method for laterite nickel ore hydrometallurgical slag and phosphating slag, the combined treatment method includes uniformly mixing a laterite nickel ore hydrometallurgical slag, a phosphating slag, and a sodium alkaline salt to obtain a mixed material; subjecting the mixed material to sodium reduction roasting to obtain a roasted material; leaching the roasted material with water and filtering to obtain a water leaching solution and a water leaching slag; subjecting the water leaching slag to magnetic separation to obtain an iron concentrate. In the disclosure, by mixing a laterite nickel ore hydrometallurgical slag and a phosphating slag and then performing sodium reduction roasting, the iron exists in the form of Fe3O4 and elements such as manganese and zinc exist in the slag in the form of oxides, and during the roasting process, aluminum oxides react with alkali to be converted into sodium aluminate.

Abstract: An adaptive tool holder of a robotic arm includes: a tool shank; a hollow barrel seat, connected below the tool shank; a ball spline with an upper section, an outer convex ring and a lower section; a spring seat, disposed within the barrel seat and located on the upper section of the ball spline; an elastic element, disposed within the barrel seat, where both ends of the elastic element abut against a bottom of the tool shank and the spring seat respectively; a spring guide pin, disposed through the spring seat; a connecting post, disposed within the lower section of the ball spline, where a top of the connecting post is connected and fixed to the spring guide pin; and a friction stir welding tool inserted and fixed detachably at a bottom end of the connecting post.

Abstract: A grain boundary diffusion method for a bulk rare earth permanent magnetic material includes the following steps: (1) fabricating an initial magnet by a sintering, hot pressing, or hot deformation process; (2) loading a grain boundary diffusion alloy source on a surface of the magnet through electrodeposition, chemical vapor deposition (CVD), physical vapor deposition (PVD), direct physical contact, or adhesive bonding; and (3) placing the initial magnet loaded with the grain boundary diffusion alloy source in a SPS device, and heating to obtain a final magnet. The current, plasma, and pressure in an SPS process can be controlled to significantly improve elemental diffusion coefficient and enhance the diffusion depth. The bulk rare earth permanent magnetic material undergoing grain boundary diffusion fabricated in the present disclosure has a significant increase in magnetic properties that catering to commercial demands for industrial production.

Abstract: A solder jetting head for depositing a solder paste onto a target surface is provided. The solder jetting head comprises: a tappet portion driven to provide a striking force; a nozzle portion for forming an enclosing contact with the tappet portion, the nozzle portion being configured to force the solder paste to exit from the nozzle portion; a support portion for supporting the nozzle portion; and a buffering portion positioned between the support portion and the nozzle portion, the buffering portion being configured to absorb impact energy generated when the enclosing contact is formed.

Abstract: In this disclosure, a battery is provided. The electrode includes an electrode current collector and an electrode active material layer, wherein the electrode active material layer includes a single crystal electrode active material and a polycrystalline electrode active material, and the single crystal electrode active material and the polycrystalline electrode active material are each a lithium transition metal composite oxide, and the electrode active material layer includes a first layer including a first surface opposite to the electrode current collector and a second layer including a second surface on the electrode current collector side, wherein the first layer includes the single crystal electrode active material as a main component of the electrode active material, and the second layer includes the polycrystalline electrode active material as a main component of the electrode active material.

Abstract: A sealed battery as an example of an embodiment is provided with an electrode body to which an electrode tab is connected, a closed-end cylindrical exterior housing can which houses the electrode body, and a sealing body that seals an opening of the exterior housing can. The sealing body includes a rupture disk. The rupture disk has a curved first thin-walled portion and a first valve portion surrounded by a straight-line portion connecting both ends of the first thin-walled portion. The first valve portion has a protruding section protruding toward the electrode body, the electrode tab is joined to a side surface of the protruding section, and at least a part of a joint surface between the electrode tab and the protruding section is disposed on a plane crossing the straight-line portion.