100 results about "Needle Shape" patented technology

The invention discloses a mold tool for preparing a heat dissipation copper plate of an IGBT (Insulated Gate Bipolar Translator) module, which relates to the field of preparation of needle type heat dissipation copper plates and comprises a base plate, a bearing and moving part arranged on the base plate, and a forming device and a demolding device which are sequentially arranged at the top of the base plate and stretch across the bearing and moving part, and a plurality of needle-shaped structure forming plates which are sequentially overlapped from top to bottom are arranged at the execution end of the bearing moving part. According to the mold tool, in the rough blank copper plate forming process, low-pressure extrusion forming of a metal copper plate is achieved through the forming device, slitting treatment of an overlong needle-shaped structure is achieved through the needle-shaped structure trimming device, and the multiple stacked needle-shaped structure forming plates can be independently unloaded through the demolding device; the influence on the needle-shaped structure during demolding of the needle-shaped structure forming plate is effectively reduced, meanwhile, the demolding device can repeatedly bend the copper plate flash structure while removing the needle-shaped structure forming plate, metal fatigue can be conveniently generated at the contact position of the flash and the copper plate, and follow-up removal of the flash is facilitated.

The utility model discloses an ultrasonic gas meter binding post assembly which comprises a binding post body, a needle-shaped terminal, a waterproof connector needle-shaped male end, a circuit board, a valve signal female end and a metering module signal female end, the circuit board is arranged in the binding post body, the needle-shaped terminal and the waterproof connector needle-shaped male end are both arranged on the circuit board, and the valve signal female end is connected with the metering module signal female end. The number of the waterproof connector needle-shaped male ends is two, the two waterproof connector needle-shaped male ends are arranged on the lower surface of the circuit board, and the valve signal female end and the metering module signal female end are detachably connected with any waterproof connector needle-shaped male end to achieve function transmission. According to the ultrasonic gas meter binding post assembly, connection of an external signal line can be omitted, electromagnetic interference is reduced, and the anti-interference performance of an ultrasonic gas meter is improved; the binding post is simple in structure, the binding post body and the circuit board are injection-molded, and connection is stable; meanwhile, a plurality of sealing grooves are formed and used for sealing the binding posts, the controller and the gas meter shell, and the connection reliability is high.

The utility model relates to the technical field of ink injectors, in particular to a needle-shaped tube ink injector of a printer ink box, which comprises an ink box body, a fixing structure and an injection structure, the top of the ink box body is fixedly connected with an ink box cover, five injection holes I are arranged on the ink box cover, the fixing structure is arranged at the top of the ink box body, and the injection structure is arranged at the bottom of the ink box body. An injection structure is mounted on the fixing structure, and the fixing structure comprises a fixing plate, a second injection hole, a rubber plug, a sliding rod, a spring, a clamping plate and a rubber pad. The ink box is provided with the fixing structure and the injection structure, the sponge in the ink box body can be filled with ink through the fixing structure and the injection structure, and redundant ink can be squeezed out, so that insufficient filling or excessive filling is avoided, and the phenomena of ink emitting from the injection hole I and ink leakage from the nozzle are avoided. According to the utility model, the fixing structure is arranged and can be quickly fixed on the ink box cover, so that the position of the injection structure can be conveniently fixed, and subsequent operation is facilitated.

The utility model discloses a double-station dispensing and wiping mechanism which comprises a double-station dispensing mechanism and a wiping mechanism, the double-station dispensing mechanism comprises two groups of dispensing heads, the wiping mechanism comprises a frame plate and wiping assemblies, and the two groups of wiping assemblies respectively correspond to the two groups of dispensing heads of the double-station dispensing mechanism. The wiping assembly comprises a clamping jaw air cylinder and a cleaning wheel, and the clamping jaw air cylinder drives the cleaning wheel to movably clamp the dispensing head. According to the dispensing head cleaning device, the clamping jaw air cylinder is started, the dispensing head is clamped through the cleaning wheel, and the dispensing head moves up and down at the clamping position of the cleaning wheel, so that the dispensing head is cleaned. After the dispensing heads of different specifications are adopted for dispensing work, the cleaning wheel can be driven by the clamping jaw air cylinder to clamp and wipe the dispensing heads, the wiping effect on the dispensing heads is guaranteed, and universality is improved. Or the cleaning wheels with different specifications can be replaced according to the shape of the needle head of the dispensing head or the size of the nozzle, so that the corresponding wiping work requirements are met.

Provided is a resin sheet containing a filler formed by aggregation of primary particles that have a plate shape, a scale shape, or a needle shape, the resin sheet making it possible to enhance thermal conductivity.　This resin sheet is characterized in that: the ratio (Pi / Po) of the peak area intensity ratio Pi ((002) / (100)) of a (002) plane and a (100) plane of the filler in the resin sheet, said peak area intensity ratio Pi ((002) / (100)) being obtained by measuring the resin sheet using in-plane X-ray diffraction, to the peak area intensity ratio Po ((002) / (100)) of the (002) plane and the (100) plane of the filler in the resin sheet, said peak area intensity ratio Po ((002) / (100)) being obtained by measuring the resin sheet using concentrated X-ray diffraction, is 0.13-0.41; or the peak area intensity ratio Pi ((002) / (100)) is 1.5-10.0, and the peak area intensity ratio Po ((002) / (100)) is 9.0-13.0.

The application discloses a zero-rigidity large-stroke two-degree-of-freedom parallel rotation platform based on a compliant mechanism and relates to the field of precision positioning. The application solves the problems of small stroke, poor dynamic performance and high driving force requirement of the existing two-degree-of-freedom rotation platform. The center hooke joint is installed on the base, two groups of guide mechanisms are installed on the base in the X-axis direction and the Y-axis direction respectively with the center hooke joint as the center, the deflection platform is installed on the center hooke joint, and the two extension parts of the deflection platform are connected with a group of guide mechanisms through a needle-shaped hinge respectively. The guide mechanism comprises a motor base, a zero-force spring connecting body, a voice coil motor and a plurality of zero-force springs. The motor base is installed on the base, the voice coil motor is installed on the motor base, the zero-force spring connecting body is installed on the voice coil motor, and the lower part of the needle-shaped hinge is connected with the voice coil motor. The application is used for two-degree-of-freedom precision positioning.

The utility model provides an anti-blocking device for a mud-containing liquid compressed air aeration pipe, which comprises an air cap and a needle-shaped anti-blocking device, the air cap is arranged at an air distribution hole on an air distribution pipe of a reaction tank, the air cap covers the outside of the air distribution hole, and the needle-shaped anti-blocking device penetrates through the air distribution hole and is arranged inside the air cap. An exhaust hole array is arranged in the air cap, and the needle-shaped anti-blocking device is driven by air flow to generate irregular motion in the aeration process. The needle-shaped anti-blocking device is driven by airflow to move irregularly in the aeration process, so that sludge and sediments in the air distribution holes are automatically scraped, blockage is avoided, and the manual cleaning frequency is reduced. Air flow distribution is optimized through exhaust holes of the air caps, it is ensured that compressed air evenly enters liquid, and the oxidation reaction or sewage treatment efficiency is improved. The movement of the anti-blocking device does not influence the original gas speed and gas flow, and a stable aeration effect is maintained.

The invention relates to the field of air cylinder sleeves, and discloses a low-needle-shaped burr air cylinder sleeve, a process and application, the low-needle-shaped burr air cylinder sleeve comprises an air cylinder sleeve body and burrs formed on the air cylinder sleeve body, and the height H of the burrs ranges from 0.2 mm to 0.6 mm; a gentle slope angle alpha of 25-65 degrees is formed between the roots of the burrs and the outer surface of the cylinder sleeve; the burr surface roughness Rz is less than 15; and the ratio of the void volume among the burrs to the volume of the burrs is 1.5: 1-5.0: 1. Through the low burr height of 0.2-0.6 mm, the gentle slope of 25-65 degrees and the low-roughness surface with the RZ smaller than 15, the flowing resistance of molten aluminum is jointly reduced, the flowing speed of the molten aluminum is increased by 15%-25%, the temperature drop is reduced by 8%-12%, and the mold filling capacity is enhanced; the ratio of gaps with the burrs larger than or equal to 1.8: 1 to the volume is matched with low roughness, the gaps are fully filled with molten aluminum, the gaps between aluminum and iron of a blank are reduced by 20%-40% after die casting is completed, and the heat dissipation efficiency is improved by 25%-35%; good aluminum-iron combination and heat conduction enable the thermal stress of a cylinder hole to be uniform, the deformation amount is reduced by 30%-50%, and sealing is guaranteed; and finally, the engine power is promoted to be increased by 5%-10%, and the energy consumption is

The utility model provides a device for preparing a needle-shaped electrode of an ion trap, which comprises a reaction tank for containing an electrolyte solution; the vertical clamping mechanism is used for fixing and clamping the metal rod; the lifting mechanism is used for immersing the metal rod into the electrolyte solution by a preset depth; the magnetic field coil is used for generating a magnetic field to enable the electrolyte solution to rotate in the reaction tank, a cathode is arranged in the reaction tank, and the metal rod and the cathode are connected to a positive electrode and a negative electrode of a direct-current power supply respectively; and the part, immersed in the electrolyte solution, of the metal rod is subjected to electrochemical reaction in the electrolyte solution to prepare the needle-shaped electrode for the ion trap. According to the utility model, the problem that the surface of the needle tip of the prepared needle-shaped electrode is uneven due to the fact that metal acid radical ions generated in the electrochemical reaction process of the bar are adhered and deposited on the surface of the bar is effectively solved, so that the needle tip of the prepared needle-shaped electrode has better surface smoothness.

The utility model discloses a screw cap type deformable filtering device for preventing empty suction and blockage of a reagent needle, which comprises a screw cap, a hollow part is arranged in the middle of the screw cap, a latex connecting piece is arranged in the hollow part, a polytetrafluoroethylene film is arranged in the middle of the latex connecting piece, and a core accessory of the filtering device is a needle-shaped polytetrafluoroethylene film. Due to the excellent chemical characteristics, the filter material is suitable for reagents with various chemical properties, and the filter material can stably play a role in filtering acidic, alkaline and organic reagents. Under extreme environments such as high temperature and low temperature, normal work can be ensured, and the filtering effect cannot be influenced by environmental factors. The precise aperture design can effectively intercept tiny bubbles and particles which may cause empty suction and blockage of the reagent needle, so that the purity of a reagent extracted by the reagent needle is extremely high, an accurate and reliable reagent is provided for in-vitro diagnosis and detection, and the accuracy of a detection result is ensured.

The utility model discloses a wiring harness wiring device and a vehicle, and the wiring harness wiring device comprises a lead which is suitable for being electrically connected with other parts; the connector is electrically connected with the wire, the connector comprises a first fixing part and a first electric connecting part, the first fixing part is electrically connected with the first electric connecting part, the first fixing part is suitable for fixing the wire harness, the first electric connecting part is in a needle shape, and the first electric connecting part is suitable for piercing an insulating layer of the wire harness to be electrically connected with a conductor in the insulating layer of the wire harness. Therefore, the connector comprises the first fixing part and the first electric connecting part which are electrically connected with each other, and the first electric connecting part is in a needle shape, so that the first electric connecting part can pierce an insulating layer of the wire harness to be electrically connected with a conductor of the wire harness, the first fixing part can fix the wire harness, and electric connection and fixation between the wiring device and the wire harness are realized; the operation steps can be simplified, the connection efficiency can be improved, and the environmental adaptability, the safety and the expandability of a line system can be improved.

The utility model discloses an ionic wind generation measuring device which comprises a base, one end of the base is provided with a flat plate, the flat plate is provided with a needle-shaped electrode, the base is provided with a wind speed probe and a cylindrical electrode, the cylindrical electrode is located between the wind speed probe and the needle-shaped electrode, and the needle-shaped electrode and the cylindrical electrode are used for generating plasma wind in a high-voltage experiment. The wind speed probe is used for measuring the wind speed of the cylindrical electrode air outlet. The beneficial effects of the utility model are that the needle-shaped electrode is fixed on the flat plate, the needle-shaped electrode is right opposite to the center of the cylindrical electrode, the needle-shaped electrode is connected with a high-voltage experiment power supply, the cylindrical electrode is grounded, the power supply is turned on, and the output voltage of the high-voltage power supply is slowly increased, so that the needle-shaped electrode and the cylindrical electrode generate plasma to form plasma wind; and finally, the wind speed of the air outlet is measured through a wind speed probe, so that the method can be used for gas discharge research under a needle-cylinder electrode.

The present invention discloses a method and device for preparing metal fins with a needle-shaped array structure; it includes two forming processes, namely groove forming and needle-shaped array structure forming. The metal surface is first shaped into a parallel and continuous groove structure with a certain height through the "small accumulation-stable forming" principle, and then a needle-shaped array structure is formed through the "large accumulation-shear failure" principle. The bottom of the metal is separated by cutting to form a continuous strip, and at the same time, the bottom of the metal is separated by cutting to form a three-dimensional fin strip with a continuous bottom and a needle-shaped array structure on the surface. The present invention also provides a device for preparing metal fins with a needle-shaped array structure, which consists of a combined tool unit, a straightening and cutting unit, and a collection unit. The three-dimensional fins prepared by the present invention not only have macroscopic needle-shaped units, but also have microscopic wrinkles, cracks and protrusions on the surface. Therefore, it has great potential in the field of fin manufacturing and heat transfer, and is suitable for industrial promotion and application.

The present disclosure is directed to a method of manufacturing one or more needles of a probe card by refining and processing a conductive body that extends from the probe card to form a respective tip at the end of the respective conductive body. Forming the respective tip of a respective needle includes removing respective portions from the end of the conductive body by flowing an electrolytic fluid between a conductive pattern structure and an end of the respective conductive body. Removing the respective portions with the flow of the electrons may be performed in multiple successive steps to form various needles with various sizes, shapes, and profiles (e.g., cylindrical, rectangular, triangular, trapezoidal, etc.).

1. The name of the product of this design: Needle-shaped electrode preparation device for ion trap. 2. Purpose of the product of this design: used to prepare needle-shaped electrodes in ion traps. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

To provide a connection structure of two members, capable of improving bond strength between the two members.SOLUTION: A desk 100 has a top board 120 connected onto a leg body 110. The top board 120 is formed in a plate-like shape, and includes a top board side attachment parts 122a-122f, 125. The top board side attachment parts 122a-122f are formed densely with penetration body fitting parts 123 to which attachment penetration bodies 119 having rod body tips formed in a pointed needle shape and penetrating leg body side attachment parts 115a-115d, 115f-115i of the leg body 110 are fitted. The penetration body fitting part 123 is composed of a first fitting part 123a and a second fitting part 123b. The first fitting part 123a is formed in a groove shape narrower than the outer shape of the attachment penetration body 119. The second fitting part 123b is formed in the deepest part of the first fitting part 123a and is formed in a solid shape so as to insert the tip of the attachment penetration body 119.SELECTED DRAWING: Figure 5

The utility model discloses an adjustable minimally invasive tungsten alloy needle-shaped electrode, which belongs to the technical field of minimally invasive equipment and comprises a rotating component, an electrode component, a connecting component and a limiting component, the rotating component comprises a threaded cylinder and two limiting rings, and the two limiting rings are clamped in the threaded cylinder; according to the needle-shaped electrode needle, needle-shaped electrode needle heads of different sizes can be formed by matching the forward-rotating threaded cylinder, the second movable rod, the threaded cylinder, the first movable rod and the electrode needle head, the adaptability of the needle-shaped electrode needle heads is improved, the moving electrode needle heads are moved out of the threaded cylinder by reversely rotating the threaded cylinder, and the size of the needle-shaped electrode needle heads is adjusted to be minimum. The needle-shaped electrode needle head is arranged in the threaded cylinder, the electrode needle head is contained in the threaded cylinder, the storage space of the needle-shaped electrode needle head is reduced, the needle-shaped electrode needle head can be conveniently carried, in the moving process of the needle-shaped electrode needle head, the electrode needle head is not prone to colliding with foreign objects to be damaged, and the normal service life of the needle-shaped electrode needle head is guaranteed.

The invention belongs to the technical field of skin care products, and particularly relates to a composition and application thereof. The invention relates to a composition, in particular to a composition with repairing and anti-wrinkle effects and application thereof. The invention provides a composition. The composition is prepared from garcinia indica seed grease, phytosterol macadamia nut oleate, a castor oil / IPDI (isophorone diisocyanate) copolymer and a saussurea involucrata extract. When the composition is used, through the synergistic effect of all the components, hydrogen bonds are connected in multiple directions, crystals are prevented from simply growing into large sheet shapes or needle shapes, and tiny, fiber-shaped or needle-shaped microcrystals tend to be formed. The microcrystals are mutually crosslinked and overlapped to construct a continuous layered network structure penetrating through the whole matrix, and excellent repairing and anti-wrinkle effects can be formed. And the components are natural, safe and mild, do not irritate the lip skin, and are suitable for long-term use.

The microneedle structure (10) of the present invention comprises a needle-shaped section (12) with an interior formed by a perforated section (13). The needle-shaped section (12) contains a low-melting resin with a weight-average molecular weight of 25,000 or more and a melting point of 130°C or less. Such a microneedle structure can be configured to have a needle-shaped section with high strength.

The present invention provides a high heat-resistant and low-friction wollastonite fiber-modified polytetrafluoroethylene lubricating material and a preparation method thereof, which is based on polytetrafluoroethylene resin as a polymer matrix, wollastonite fiber as a main reinforcing filler, and a small amount of lubricating filler as a modified component, and is prepared and parameter-controlled through mechanical blending, pre-pressing, sintering, turning and drafting shaping process to ensure the performance and dimensional precision of the composite material, especially using a drafting shaping process to promote the directional arrangement of needle-shaped wollastonite fibers, and solve the problem of excessively high friction coefficient of the composite material caused by the short and brittle wollastonite fibers and poor flexibility. According to measurements, the composite material prepared by the present invention has good mechanical strength, tribological properties, thermal conductivity and dimensional stability, and is suitable for manufacturing precision lubricating parts in high-tech fields such as aerospace and marine engineering, such as sealing components and bearing parts, and has the comprehensive advantages of high heat resistance, low friction, high wear resistance and high dimensional precision.

The invention discloses a dynamic DBD detection device for a syringe, and relates to the technical field of detection devices. A needle-shaped electrode is arranged on the inner side of the upper part of a mixing tube, an outer electrode is arranged on the outer side of the upper part of the mixing tube, an air outlet pipe is arranged on one side of the upper part of the mixing tube, a branch pipe is arranged on both sides of the lower part of the mixing tube, a capillary is arranged in an injection tube, the injection tube passes through a branch pipe and extends to the inside of the mixing tube, a base is installed at the bottom of the mixing tube, two side air intake pipes are arranged on both sides of the base, and the two side air intake pipes are both connected to the inside of the mixing tube, a fairing is arranged at the middle part of the upper end of the base, a main air intake channel is arranged in the fairing, the main air intake pipe is arranged at the bottom of the base, the main air intake pipe is connected to the inside of the mixing tube through the main air intake channel, an electric heating wire is arranged between the two branch pipes, and both ends of the bottom of the electric heating wire pass through the base and extend to the outside. The device improves the stability of injection, avoids discharge in the air, and improves the accuracy of the equipment.

The invention provides a Pt / PEDOT composite modified carbon-based material needle-shaped electrode in-vivo dissolved oxygen electrochemical sensor as well as a construction method and application thereof, and belongs to the technical field of medical biology. According to the in-vivo dissolved oxygen electrochemical sensor, a carbon-based material microneedle type electrode is modified by electrochemical deposition of platinum nanoparticles by using a chloroplatinic acid hexahydrate solution and depending on a time current method, and poly (3, 4-ethylenedioxythiophene) is generated by direct electro-polymerization on the surface of the Pt-modified microneedle electrode through an electrochemical constant current method. And forming uniform PEDOT (poly (3, 4-ethylenedioxythiophene)) film coated and modified platinum nanoparticles on the microneedle electrode. The composite modified carbon-based material is used for replacing precious metal to reduce cost and improve biocompatibility, low-oxygen sensitivity is optimized by means of composite modification, in-vivo protein adsorption and biological membrane coverage are resisted through anti-pollution surface modification, and therefore the defects are overcome, and monitoring of in-vivo tissue oxygen partial pressure is achieved.

The utility model discloses a pin connector of PCBA, including several pin connectors and PCBA board. The pin connector includes a metal connector, a metal elastic part and a metal insert part. The metal connector is in an inverted "V" shape. The metal elastic part is arranged on the top of the metal elastic part, and its shape is a zigzag line extending upward. The metal insert part is arranged on the top of the metal elastic part. The metal connector, the metal elastic part and the metal insert part are provided to realize the multiple plug-in and pull-out electrical connection function of the PCBA board. The inverted "V" design of the metal connector is conducive to strengthening the fixing function of the pin connector, making it not easy to break. The shape of the metal elastic part is a zigzag line extending upward, which is conducive to increasing the contact area with the PCBA board. At the same time, the elastic design is conducive to elastic recovery and is not easy to be damaged. The metal insert part is conducive to accessing the PCBA board and is not easy to fall. The PCBA board can be assembled safely, stably and quickly, which is conducive to reducing maintenance costs.

The invention discloses a zero-rigidity large-stroke two-degree-of-freedom parallel rotating platform based on a compliant mechanism, and relates to the field of precision positioning. The problems that an existing two-degree-of-freedom rotating platform is small in stroke, poor in dynamic performance and high in driving force requirement are solved. A center hooke joint is installed on a base, two sets of guide mechanisms are installed on the base in the X-axis direction and the Y-axis direction with the center hooke joint as the center respectively, a deflection platform is installed on the center hooke joint, and two extending parts of the deflection platform are connected with one set of guide mechanisms through one needle-shaped hinge respectively. The guide mechanism comprises a motor base, a zero-force spring connector, a voice coil motor and a plurality of zero-force springs, the motor base is installed on the base, the voice coil motor is installed on the motor base, the zero-force spring connector is installed on the voice coil motor, and the lower portion of the needle-shaped hinge is connected with the voice coil motor. The method is used for two-degree-of-freedom precise positioning.

A composite separator for a lithium secondary battery according to aspects of this disclosure comprises: a porous organic polymer substrate; a porous inorganic heat-resistant layer coated on at least one surface of the organic polymer substrate, the porous inorganic heat-resistant layer comprising inorganic particles and an organic binder polymer holding the inorganic particles together; and an organic polymer adhesive layer coated on the outer surface of the porous inorganic heat-resistant layer, the organic polymer adhesive layer comprising an organic binder polymer, wherein the inorganic particles comprise a mixture of particles with different shapes, the particles comprising i) plate-shaped particles and ii) needle-shaped particles, the plate-shaped particles comprising alumina particles, aluminum hydroxide particles, or mixtures thereof, the needle-shaped particles comprising alumina particles, aluminum hydroxide particles, or mixtures thereof, wherein the organic binder polymer included in the organic polymer adhesive layer comprises gelatin resin.

The invention discloses an experimental device for detecting the performance of ultrahigh-strength activated carbon, which comprises an experimental bin, and a clamping mechanism for clamping an activated carbon sample is arranged in the experimental bin; the clamping mechanism comprises an upper clamping platform and a lower clamping platform. Mounting holes are formed in the working surfaces of the upper clamping platform and the lower clamping platform, the fixing ends of the auxiliary fixing pieces are mounted in the mounting holes, and the acting ends of the two auxiliary fixing pieces clamp and fix an activated carbon sample; the acting end of the auxiliary fixing piece is in a claw shape, a needle shape, a bowl shape or a plane shape. The auxiliary fixing pieces in various shapes adapt to different activated carbon samples, so that the detection accuracy is improved; the stainless steel material enhances the applicability; and the limiting grooves and the contact grooves ensure accurate mounting and clamping, and the operation is convenient.

An angle calculator calculates, for each coordinate in a beam scanning range, an angle representing an orientation of a plane based on an intensity distribution. A normalizer multiplies an angle array produced by the angle calculator by a numerical value corresponding to a shape of interest (for example, a needle shape or a string shape). A particle-of-interest analyzer analyzes whether a candidate particle is a particle of interest, based on a group of normalized angles corresponding to the candidate particle.

The invention discloses a preparation method of a 6063T6 curtain wall cross beam aluminum profile, the preparation method reduces scratches by optimizing the roughness of a mold, changes the aluminum alloy from a needle shape to a fibrous shape by optimizing the components of the aluminum alloy, Sr and eutectic Si, greatly improves the plasticity of a cast ingot, facilitates hot extrusion, and meanwhile, a proper amount of B element promotes the homogenization of alloy elements, improves the as-cast structure and improves the strength of the cast ingot. Extrusion forming is promoted; according to the method, the aluminum profile is subjected to pre-aging, the mechanical property of the aluminum profile is effectively promoted by combining pre-aging and two-stage time efficiency, the 6063T6 curtain wall cross beam aluminum profile with excellent apparent quality and mechanical property can be obtained on the whole, and in addition, the production quality is guaranteed, meanwhile, the high percent of pass is achieved, and the production benefit can be improved.

The present disclosure is directed to a method of manufacturing one or more needles of a probe card by refining and processing a conductive body that extends from the probe card to form a respective tip at the end of the respective conductive body. Forming the respective tip of a respective needle includes removing respective portions from the end of the conductive body by flowing an electrolytic fluid between a conductive pattern structure and an end of the respective conductive body. Removing the respective portions with the flow of the electrons may be performed in multiple successive steps to form various needles with various sizes, shapes, and profiles (e.g., cylindrical, rectangular, triangular, trapezoidal, etc.).