147 results about "Rouging" patented technology

The invention discloses a method for controlling CMP (chemical mechanical polishing) dish-shaped pits, corrosion pits and interface corrosion of ruthenium barrier layer copper wiring, which is suitable for a manufacturing process of integrated circuits of 14 nanometers and below. According to the method, a specifically synthesized TTAK corrosion inhibitor is introduced into a polishing solution system, the oriented adsorption characteristic of the molecular structure of the TTAK corrosion inhibitor is utilized, the corrosion reaction of copper is selectively inhibited, meanwhile, the normal material removal efficiency of a ruthenium barrier layer and a TEOS dielectric layer is maintained, and cooperative regulation and control of the removal rate of the Cu / Ru / TEOS material are achieved. By means of the method, dished pits, corrosion pits and Fang type interface defects generated in the fine polishing and barrier layer polishing process can be effectively eliminated, and copper / ruthenium interface corrosion is improved. According to the method, the global planarization quality of the copper interconnection ruthenium barrier layer is remarkably improved, the interface bonding strength and the electrical reliability of an interconnection circuit are enhanced, and an effective solution is provided for performance optimization of an advanced process integrated circuit device.

The invention discloses a packaging structure with a heat dissipation structure and a packaging method, through the connection cooperation of a first metal carrier plate, a second metal carrier plate, a first heat conduction insulating film, a second heat conduction insulating film, a first rewiring layer and a second rewiring layer, and the subsequent circulation of a cooling liquid in a cooling pipeline, the heat resistance is greatly reduced, the heat dissipation is enhanced, and the heat dissipation efficiency is improved. Power consumption is reduced; according to the invention, the first metal carrier plate and the second metal carrier plate are directly bonded, the first metal carrier plate and the second metal carrier plate are provided with grooves and holes, and finally, the first metal carrier plate and the second metal carrier plate are matched with the first heat-conducting insulating film and the second heat-conducting insulating film to form the cooling pipeline, so that the stress problem caused by the welding process of a water-cooling plate in the traditional technology is improved, and a packaging body is prevented from being damaged; wiring can be conducted on the two faces of the base material, and multi-dimensional packaging is achieved; according to the invention, the metal substrate is used as the substrate, panel warping is reduced, and the stress problem caused by multi-dimensional packaging is solved.

The invention relates to the technical field of fusion reactor tritium fuel circulation, in particular to an irradiation pretreatment platform and method for a tritium breeding material. The platform comprises a control system, a heating system, an early warning system, a purging system, a welding system and a collecting system. The heating system is connected with the control system and is used for heating a sample; the early warning system is connected with the control system, and the early warning system is used for monitoring environment parameters and heating parameters and sending out early warning information; the purging system is connected with the control system, and the purging system is used for vacuumizing the sample container and replacing gas; the welding system is used for cutting the sample container heated by the heating system; the collecting system is used for automatically packaging the cut sample containers; wherein the welding system and the collecting system are respectively connected with the control system through wiring pipelines. The tritium breeding material can be efficiently pretreated, manual intervention is reduced, and safety is guaranteed.

The invention discloses a board-level packaging structure and method, and the method comprises the following steps: providing a chip with a welding pad and a photosensitive region, and forming a protection glue layer on the photosensitive region; forming photoresist on the chip, and forming a window; filling the windowing position with a metal rewiring layer; providing a temporary carrier plate; forming a metal welding pad on the temporary support plate, and forming a black insulating layer; mounting a chip on the temporary carrier plate; performing plastic packaging; forming a windowing structure on the plastic packaging protection layer; forming a rewiring layer at the position of the windowing structure; forming an insulating protection layer, and forming a corresponding photosensitive window in the photosensitive area; removing the metal rewiring layer and the temporary support plate; a metallic tin layer is formed under the metal pads. According to the invention, a board-level fan-out packaging RDL wiring mode is utilized, the photosensitive area is ingeniously protected in the packaging process, and then the photosensitive area is opened after packaging is basically finished, so that the packaging cost is greatly reduced while the performance required by packaging of the photosensitive chip is satisfied.

The present application relates to a kind of production process of new energy transformer, the process includes the following steps: S1: base material processing;S2: porous processing;S3: surface treatment;S4: plating electroplating;S5: welding copper column pre-embedded;S6: line etching;S7: insulation treatment;S8: primary winding;S9: secondary winding;S10: test packaging;S11: detection into warehouse;The way of twice winding solves the problem of coil winding and wiring, in the primary winding process, coil winding is wound at the two ends of the plate body, to form the main coil and form the secondary coil, facilitate the main coil and the core to form alternating magnetic field, and then the copper sheet of jack is made into a screen plate to plug the jack, the coil winding is respectively inserted into the inside of coil winding hole and terminal hole, the copper sheet plug jack is used to reduce the hole and hole spacing, and the plug jack is used to reduce the sliding of coil winding and ensure that the mutual coil winding avoids the mutual influence.

The utility model discloses a kind of wind power tower drum numerical control cutting equipment equipped with multiple cutting head switching device, it is related to numerical control cutting equipment field.The utility model includes cutting equipment, the cutting equipment includes base, first linear motor, second linear motor, the back of the second linear motor is provided with wiring rack, by setting maintenance mechanism fixed in wiring rack bottom, wherein pneumatic hammering hammer passes through cylinder output vertical impact force, its instantaneous high-frequency vibration is directly acted on the longitudinal support rib node of grid processing table, make molten slag and metal matrix interface produce fatigue fracture, realize adherent welding slag peeling, and drive pneumatic hammering hammer along sliding slot trajectory movement, ensure that impact point covers the stress concentration area of honeycomb structure, avoid cleaning dead angle, so maintenance mechanism is synchronously transversely moved with the displacement of second linear motor, realize workbench full-width dynamic cleaning.

To disclose a wiring structure having a fuse assembly, and a manufacturing method of the same.SOLUTION: A wiring structure comprises a wire harness 10 and a fuse assembly 20. The wire harness in which a plurality of wiring lines is arranged and extended in an insulation wire is prepared, and the insulation wire coated by one end of each wiring line and an outer peripheral side of one end of each wiring line in the wire harness is cut, and the insulation wire coated by one end of each wiring line and the outer peripheral side of one end of each wiring line is extended so as to be folded from the wire harness. A fuse prepares a fuse assembly processed to an insulation sleeve 202, and one end of the fuse is welded to one end of each wiring line after the cutting. In the present invention, by welding the fuse assembly to one end of each wiring line folded to an outside from the wire harness, a stress concentration can be prevented, and a state where the fuse assembly and a welding portion of each wiring line are separated can be reduced.SELECTED DRAWING: Figure 2

The invention discloses a detachable mobile toilet based on modular design, relates to the technical field of mobile toilets, and solves the technical problems that an existing mobile toilet depends on welding in installation, the transportation cost is high, accessories have no interchangeability and are easy to rust. The mobile toilet comprises a frame formed by riveting / bolting vertical beams and cross beams, the top of the frame is provided with a clamping groove structure for installing a water purifying tank, a closed space with a bathroom device and a door is formed in the middle of the frame, and the bottom of the frame is provided with a cavity structure for installing a sewage tank in a drawing mode; the volume ratio of the clean water tank to the sewage tank is 1: (1.2-1.8), the clean water tank and the sewage tank are modularized steel structure sealed water tanks, the top of the clean water tank is provided with a photovoltaic module and is connected with an energy storage battery, and the sewage tank is provided with a U-shaped pipe and an inclined upward excrement pumping opening; a bottom cavity between the frame and the sewage tank can be provided with wires and filled with foaming materials. The whole process is free of welding installation, parts are modularized and interchangeable, transportation is convenient and fast, corrosion resistance is achieved, heat insulation and noise reduction are achieved, and the device is suitable for water-resource-deficient areas, ocean transportation and other scenes.

The utility model relates to the technical field of machine room wiring equipment, and discloses a cabling rack with a porous U-shaped steel structure, which comprises a transverse frame I and a transverse frame II, the transverse frame II is arranged at the top end of the transverse frame I, a vertical frame I is vertically arranged between the transverse frame I and the transverse frame II, and a transverse frame III is arranged on the right side of the transverse frame II. When the cabling rack with the porous U-shaped steel structure is installed and used, the right side fixing plates I of the transverse rack I and the transverse rack II of one group of cabling rack are correspondingly attached to the left side fixing plates II of the transverse rack III and the transverse rack IV of the other group of cabling rack; then, a connecting bolt can penetrate through the interiors of the second fixing plate and the first fixing plate on the right side of the second fixing plate, and a locking ring is screwed into the left side of the exterior of the connecting bolt, so that auxiliary splicing combination can be performed between the two groups of cabling racks, the length of the cabling racks is prolonged, and the integral structure of the cabling racks can be improved; the problem that combination, connection, installation and extension of cabling racks are inconvenient is solved.

The embodiment of the utility model discloses a clamping tool for a left frame and a right frame of a liquid cooling cabinet, which comprises a first clamping mechanism, a second clamping mechanism and a third clamping mechanism, the first clamping mechanism comprises a support, a first clamping cylinder, a mounting seat, a second clamping cylinder and a third clamping cylinder, the support is used for supporting a cross rod on the frame, the first clamping cylinder is used for clamping and fixing the cross rod, and the mounting seat is used for mounting the cross rod on the frame; the second clamping air cylinder is fixedly installed on the installation base and used for clamping and fixing the wiring plate, and the third clamping air cylinder is used for clamping and fixing the second supporting rod. And the second clamping mechanism is used for fixing the first supporting rod. According to the clamping tool for the left frame and the right frame of the liquid cooling cabinet, through accurate positioning and multi-point clamping, the deformation risk in the welding process is reduced, the welding size consistency and the structural stability of the frames are improved, meanwhile, the production efficiency and the assembly quality are improved, and the follow-up correction working time is shortened.

The utility model provides a USB female seat connector with a screw hole, which belongs to the technical field of USB female seat connection and comprises a metal shell. According to the utility model, under the double-row arrangement of the two groups of the first terminals and the second terminals, the subsequent welding is facilitated, the PCB wiring space is saved, all the first terminals and the second terminals are formed by 90-degree bending of an automatic machine, the stamping process production is facilitated, the electroplating cost is saved, and under the arrangement of the limiting raised lines, the limiting openings, the buckling positions, the buckling points and the elastic clamping pieces, the production efficiency is improved. Compared with the prior art, the USB female seat connector has high retaining force, the stability of the USB female seat connector in use is guaranteed, under the arrangement of the screw plate, the threaded holes and the welding spots, the high-strength screw plate and the shell of the client side can be connected and fixed together through the M3 screws through the threaded holes, and then locking of the metal shell and the interior of the client side shell support is completed. And meanwhile, a plurality of groups of welding spots are welded on the metal shell combination line by laser, so that the impact strength of the metal shell is improved, and the applicability of the USB female seat connector is further improved.

The present disclosure relates to the technical field of antennas, and in particular to a phase shifter cavity structure and a phase shifter. The phase shifter cavity structure comprises: a cavity, wherein the cavity is a non-electroplated metal cavity; grounding members, wherein a surface of each grounding member is provided with an electroplated layer, the grounding member is spaced apart from the cavity, the grounding member is provided with a wiring structure, and the wiring structure comprises wire grooves; and welding members, wherein the welding members are connected between the grounding members and the cavity, and are configured to fix the grounding members and the cavity. The connection between the grounding members and the cavity can be realized by means of a laser welding process, and large-area planar laser welding is not required, thereby reducing the welding area, reducing production costs, improving the connection quality between the grounding members and the cavity, and reducing the risk of intermodulation. In addition, the wire grooves on the grounding members extend in a direction perpendicular to the thickness direction of the grounding members, and coaxial cables can run along the outer side surface of the cavity during wiring, thereby avoiding bending at the roots of outer conductors of the coaxial cables, and improving the stability of the connection structure between the coaxial cables and the cavity.

The invention provides a butt-joint welding packaged ceramic shell, which belongs to the technical field of ceramic packaging and comprises a ceramic lower base with a lower cavity, a ceramic upper base with an upper cavity, a first chip arranged in the lower cavity and a second chip arranged in the upper cavity, the ceramic upper base is welded on the ceramic lower base to form a double-layer stacked structure, the lower cavity and the upper cavity form a through sealing cavity, and the first chip and the second chip are sealed in the sealing cavity; and a signal transmission conductor is arranged between the ceramic upper base and the ceramic lower base. According to the butt-joint welded and packaged ceramic shell provided by the invention, the metal cover plate and the ceramic substrate are fused to form the ceramic upper base with the upper cavity and the internal wiring, meanwhile, the ceramic lower base with the lower cavity is prepared, and the ceramic upper base and the ceramic lower base are subjected to alignment welding to realize airtight packaging; while high reliability is ensured, miniaturization of the photoelectric coupler is effectively realized.

The invention discloses a Category 6 + follow-up cable and a manufacturing method thereof, the Category 6 + follow-up cable comprises a plurality of Category 6 + communication cable cores and a plurality of reinforcing steel wires, the Category 6 + communication cable cores and the reinforcing steel wires are wrapped by a total sheath, and the Category 6 + communication cable cores and the reinforcing steel wires are arranged side by side and are wrapped by the total sheath to form a flat structure; the category 6 + communication cable core comprises four pairs of paired shielding twisted pairs, and each pair of twisted pairs adopts foamed polyethylene insulation and is coated with an aluminum-plastic composite belt shielding layer; the reinforcing steel wires are galvanized steel wires and are used for enhancing the tensile strength of the cable, compared with the prior art, signal attenuation, dielectric loss and crosstalk between wire pairs are remarkably reduced, the cable has the capability of resisting external electromagnetic interference, torsion and deformation are effectively resisted, and the service life is prolonged; the structure is compact and stable; and the flat design saves the wiring channel space.

The invention provides a modularized vertical steel bar structure and a construction method thereof, and belongs to the technical field of constructional engineering science. The problems that modular construction grouped steel bar connection is insufficient in deviation adaptability, installation efficiency, economical efficiency and the like are solved. The structure comprises a plurality of reinforcement modules and a plurality of grouting sleeves, the reinforcement modules are connected through the grouting sleeves, the reinforcement modules are reinforcement cages or reinforcement meshes, and a reinforcement wire head of each reinforcement cage or reinforcement mesh is provided with a grouting sleeve. According to the modularized vertical grouting sleeve, auxiliary equipment is not needed, the core process of lower cage positioning, grouting and upper cage bar inserting can be completed only by occupying a crane for 10 minutes, and the crane can be transferred immediately during slurry curing. Therefore, more than 90% of crane waiting time is integrally saved, platform erection and electric wiring are reduced, and rapid hoisting, rapid connection and equipment light weight are truly achieved.

The invention discloses a passive test-based welding spot breakpoint position test system and method, and belongs to the technical field of printed circuit board welding spot test. The invention provides a passive test-based welding spot and breakpoint position test system. The passive test-based welding spot and breakpoint position test system comprises passive test equipment, a test probe and a printed circuit board, the reflection time is obtained through the passive test equipment, the wire length of the printed circuit board before and after the reliability test is executed is calculated, and the test of the breakpoint position of the welding spot is completed by comparing the wire length. On the basis that the appearance, layout and wiring of a test module of the printed circuit board are not changed, a passive test point is added for each welding spot, precise nondestructive testing of an elastic period can be carried out on the welding spot, a fracture position can be accurately positioned, and the method has a wide application scene in the welding spot reliability test and test field.

The utility model discloses a novel touch control film which comprises a touch control film body, a wiring area is arranged on the touch control film body, wire grids are distributed in the wiring area, an outgoing line wiring area connected with the wire grids is arranged on one side of the wiring area, a flexible circuit board is arranged on one side of the touch control film body, and fine wires in the outgoing line wiring area are welded to a welding disc of the flexible circuit board. Each fine wire comprises a series of multi-layer bent oblique line sections with a certain inclination angle relative to the vertical direction; according to the utility model, the path length of the lead can be effectively increased by the oblique line segment included in the fine lead, so that the welding firmness and the conductive performance are improved, the mechanical strength of the lead can be enhanced, the fracture risk caused by bending or stretching is reduced, and the overall reliability is improved; the micro wires are arranged in the form of oblique line segments, and the inclination angle is controlled between 20 degrees and 70 degrees, so that denser wiring can be realized in a limited space, and the space utilization rate is optimized.

The embodiment of the invention provides a geological radar detection auxiliary tool, and relates to the technical field of retaining wall radar detection. A geological radar detection auxiliary tool comprises a simple trolley, a partition plate is transversely fixed to the bottom of an inner cavity of the simple trolley, the space above the partition plate is arranged to be a wiring space, and walking wheels are rotationally connected to the periphery of the simple trolley; an adjusting assembly used for inclination angle folding is arranged on the outer side of the simple trolley, a traction assembly used for height adjustment is arranged on the adjusting assembly, and a supporting assembly which is located with the traction assembly in a telescopic mode is arranged on the front side of the simple trolley. The adjusting assembly comprises a rotating seat rotating on the outer side of the simple trolley and a stainless steel pipe fixed to the rotating seat, and the traction assembly comprises a rotating shaft rotating on the inner side of the stainless steel pipe. The radar is driven by the simple trolley running at a constant speed to linearly displace on the wall surface and is forced to cling to the retaining wall, so that the detection precision and efficiency are improved.

A method includes disposing a substrate layer on a copper layer to form a pin assembly and adhering the pin assembly to a side surface of an inductor with bonding pads on either of the upper and lower surfaces, wherein welding surfaces are coplanarly aligned. An assembled magnetic apparatus including sheet-shaped pin assembly or pin assemblies and an inductor is thereby manufactured. A power module includes the magnetic apparatus, IPM units, a wiring board and output capacitors. The pin assembly may meet a PCB process specification for panel production, and the pin pitch is configured to be lessened.

The invention provides a packaging structure and a forming method thereof, a bridging chip in a wiring insertion layer is in bonding connection with a chip packaging assembly through a first organic interconnection layer and a second organic interconnection layer, and the first organic interconnection layer and the second organic interconnection layer are bonded to form an organic hybrid bonding structure. The bridging chip does not need to be connected with the chip packaging assembly through soldering tin, so that the reliability problem of the packaging structure caused by defects (cavities or cracks) of welding points does not exist, and the packaging structure provided by the invention has good reliability; moreover, the interconnection density of the bridging chip and the devices in the chip packaging assembly can be improved, the denser I / O interconnection is realized, the transmission density is improved, and the delay is reduced.

This utility model discloses a large caisson lifting device, including a caisson body, lifting lugs, cables, a lifting hole, and a steel pipe. The lifting lugs are fixed to the upper end of the caisson body. The lifting hole is located on the outer side wall of the caisson body. The steel pipe is located on the outer wall of the caisson body, with one end of the steel pipe slidably inserted into the lifting hole. A first rubber pad is fixedly connected to the inner side wall of the steel pipe. A wiring groove is provided on the upper side wall of the steel pipe and at the edge of the end inserted into the lifting hole. A second rubber pad is fixedly connected to the inner side wall and bottom of the wiring groove. A guide block is fixedly connected to the lower side wall of the steel pipe. A guide groove is provided between the outer wall of the caisson body and the bottom of the lifting hole. This utility model utilizes the guide block and wiring groove structure to effectively store the cable, reduce wear between the cable and the caisson and steel pipe, and prevent the steel pipe from rotating during operation, thus improving practicality and convenience.

A wiring structure of a welding robot comprises a main body capable of moving in the six-axis direction, the main body comprises a base and six joint mechanical arms movably connected, a first mounting cavity is formed in the base, and a first speed reducer is rotationally connected into the first mounting cavity; a first wire accommodating space is defined by the first speed reducer and the inner wall of the first mounting cavity; the first joint mechanical arm is fixedly connected to the first speed reducer, a first driving motor is further fixedly arranged on the first joint mechanical arm, and the first driving motor is in transmission connection with the first speed reducer; the first wire harness is used for transmitting electric signals, and the first wire harness penetrates out of the first outlet to be electrically connected with the first driving motor after being wound in a roundabout mode along the first wire containing space. According to the wiring structure provided by the utility model, under the condition that the rotation precision is improved, the wiring harness is ensured not to influence the rotary motion during the rotary motion.

This invention discloses a welding torch nozzle device with self-powered and self-diagnostic functions, including a nozzle body, a thermoelectric conversion unit, an impedance sensing unit, and a signal processing unit. The signal processing unit is electrically connected to both the impedance sensing unit and the thermoelectric conversion unit, and the thermoelectric conversion unit supplies power to the signal processing unit. The signal processing unit receives impedance change signals from the impedance sensing unit and determines whether the nozzle is clogged. By placing the thermoelectric conversion unit on the outer wall of the nozzle body to recover welding waste heat and convert it into electrical energy, and placing the impedance sensing unit on the inner wall of the nozzle body to directly detect impedance changes caused by spatter adhesion, combined with the signal processing unit, in-situ real-time monitoring under self-powered conditions is achieved, forming a nozzle structure that integrates power supply and sensing. This eliminates the dependence on external power sources and complex wiring, improves the reliability and adaptability of the system in harsh welding environments, and significantly enhances the stability of the welding process and the quality of the weld.

According to the preparation method of the 2.5 D packaging structure provided by the invention, in the process of preparing the 2.5 D packaging structure, the large-size substrate is directly and electrically connected with the rewiring layer, so that compared with a traditional technological process of packaging first and then carrying out substrate mounting, the warping problem of a high-performance and large-size chip packaging structure can be effectively solved, and the reliability of the packaging structure is improved. The problem of pseudo soldering caused by mismatching of thermal expansion coefficients is avoided; according to the preparation method of the 2.5 D packaging structure, the three supporting substrates are respectively and simultaneously subjected to process operation and then combined through bonding, so that the electrical connection quality can be improved, the process time can be effectively shortened, the process yield can be improved, and the thermal stress accumulation problem of the process structure can be improved.

The steel frame structure comprises more than one cross beam, each cross beam is composed of more than one splicing column, a wiring hole is formed in each splicing column, the wiring holes in the outer sides of the splicing columns on the two sides are sealed, the remaining wiring holes penetrate through the splicing columns, through holes are formed in the bottom face of the splicing column on the rightmost side, and through holes are formed in the bottom face of the splicing column on the rightmost side. A tensioning and fixing mechanism is installed at the lower end of each through hole, a sleeve is installed in each wiring hole in the leftmost side, a steel wire rope is welded and fixed in each sleeve, the other ends of the steel wire ropes penetrate through the wiring holes and the through holes one by one and are installed on the tensioning and fixing mechanism, the splicing columns are fixed in an inserted connection mode, fixing blocks are installed on the bottom faces of the splicing columns, and shaft holes are formed in the fixing blocks; the fixing blocks on the adjacent splicing columns abut against each other, and a pressing mechanism which enables the fixing blocks to be shrunk inwards is arranged in the fixing blocks. The device is simple in structure and easy to operate.

According to the 2.5 D packaging structure and the preparation method thereof provided by the invention, in the process of preparing the 2.5 D packaging structure, the large-size substrate is directly and electrically connected with the rewiring layer, so that compared with a traditional technological process of packaging first and then carrying out substrate mounting, the warping problem of a high-performance and large-size chip packaging structure can be effectively solved, and the reliability of the packaging structure is improved. The problem of pseudo soldering caused by mismatching of thermal expansion coefficients is avoided; according to the 2.5 D packaging structure and the preparation method thereof, the two supporting substrates are respectively and simultaneously subjected to process operation, and then are combined through bonding, so that the electrical connection quality can be improved, the process time can be effectively shortened, the process yield can be improved, and the thermal stress accumulation problem of the process structure can be improved.

The invention discloses a steel bar strain gauge system and method for testing internal force of a pile body based on wireless transmission, and belongs to the field of pile foundation engineering monitoring. The system comprises a wireless steel bar strain gauge and an intelligent frequency acquisition and conversion instrument which work cooperatively through a wireless communication network. The wireless steel bar strain gauge is fixed to a steel bar through a non-welding type mechanical clamp, and the connecting rod is provided with a surface structure for enhancing the bond stress of concrete. A pile body internal force calculation model is arranged in the intelligent frequency acquisition and conversion instrument, and real-time acquisition, analysis and exception handling of data are achieved. Through deep cooperation of mechanical connection fidelity, reliable wireless transmission and efficient intelligent processing, the problems that a traditional wired testing system is complex in wiring, prone to interference and low in efficiency are solved, the measurement precision is improved by more than or equal to 15%, the data processing efficiency is improved by 60%, and the system is particularly suitable for pile foundation internal force testing in a complex engineering scene.

The invention relates to the technical field of chip series welding, and discloses a three-phase power bridge preparation process based on a multi-row chip series welding technology, and the preparation process comprises the following steps: S1, design and layout, S2, multi-beat chip mounting, S3, reflow soldering and silver sintering, S4, housing assembly and potting, and S5, testing and screening. A wiring pattern of a copper-clad ceramic substrate is designed, then a current path is optimized, loop inductance is minimized, the current distribution uniformity between parallel chips is ensured, enough safe creepage distances and electrical gaps between different potentials are ensured, and the electrical gaps comprise DC +, DC-and output U / V / W of each phase. Optimizing chip arrangement and copper layer thickness to facilitate conduction of heat to a radiator, balancing thermal coupling, space utilization rate and process feasibility, designing low-inductance routing for a gate drive signal, and forming a required copper circuit pattern through active metal brazing; and cleaning and surface treatment are carried out to improve the reliability of subsequent welding and bonding.

The utility model relates to a movable cutting part on an inclined transverse cutting machine for a rock wool production line, which comprises a trolley part (1), a tool bit support part (2), a tool bit part (3) and a tool bit lifting traction part (4), and the movable cutting part is fixed on a linear guide rail on a transverse cutting machine beam by a bearing on the back part of the trolley part (1); the tool bit support component (2) is of a unique tubular structure, and compared with a tool bit support component of an inclined transverse cutting machine in the prior art which is of an open structure welded by steel plates, the tool bit support component has the advantages of being compact and attractive in structure, convenient to adjust in size and standard and attractive in wiring and pipe arrangement. The other tool bit lifting traction component (4) is driven by an independent motor, the tool bit can ascend and descend at any time, and the defect that according to an inclined transverse cutting machine in the prior art, the tool bit ascends and descends through a chain which drives the movable cutting component to horizontally move on a linear guide rail, and the tool bit cannot ascend and descend at any time is overcome.

The utility model relates to the technical field of circuit board devices, and discloses a wiring type flexible circuit board, which comprises a circuit board main body assembly, two sides of the circuit board main body assembly are provided with quick positioning assemblies, and the quick positioning assemblies are arranged on two sides of a quick dismounting assembly. The quick positioning component is mounted on the device, so that when the device is used, the temporary positioning and fixing mounting effect can be provided, and in the temporary mounting work, the dismounting complexity, the destructiveness and the like of a traditional welding mode are avoided.