99results about How to "Simple manufacturing process" patented technology

The invention relates to the technical field of medium-frequency induction heating furnaces, in particular to a medium-frequency induction heating furnace body, a furnace body manufacturing method anda temperature control method. The medium-frequency induction heating furnace body comprises a furnace lining, a material channel allowing a blank to pass through is formed in the middle of the furnace lining, and an induction coil which extends in axial direction of the material channel and is spirally wound on outer side of the material channel is arranged in the furnace lining; and a pluralityof temperature measuring holes are formed in the side wall of the furnace lining in the axial direction of the furnace lining at intervals, the temperature measuring holes are formed in the radial direction of the furnace lining and penetrate through the side wall of the furnace lining, and the temperature measuring holes are located at the intervals between every two adjacent turns of coils of the induction coil. The invention further provides a manufacturing method of the medium-frequency induction heating furnace body and a temperature control method of the medium-frequency induction heating furnace. According to the furnace body, the temperature measuring holes are formed in the side wall of the furnace body for temperature measurement instead of adopting the temperature measurement mode at a discharge port so that the temperature measurement accuracy can be improved.

This invention discloses a highly filled modified PP masterbatch and its preparation method, belonging to the field of polymer material modification technology. The masterbatch, by weight, consists of the following components: 25-30 parts polypropylene, 60-65 parts heavy calcium carbonate, 2-3 parts compatibilizer, 1-2 parts toughening agent, 0.3-0.5 parts compounded antioxidant, 0.5-1.0 parts lubricant, and 0.2-0.3 parts dispersant. This invention achieves a high-filling system with ≥60% calcium carbonate filling through synergistic optimization of the raw material formulation and precise control of the preparation process. This effectively solves the industry pain points of traditional highly filled modified PP masterbatches, such as filler agglomeration, precipitous decline in mechanical properties, and poor processing stability. The finished masterbatch meets national and industry acceptance standards for industrial equipment shells, automotive interior and exterior trim, and functional parts. The raw material cost is reduced by 15-25% compared to traditional modified PP masterbatches. The preparation process of this invention is simple and can achieve stable mass production using existing general-purpose modification equipment. The product qualification rate is ≥98%, demonstrating excellent economic benefits and broad application prospects.

This utility model discloses a car door assembly and a vehicle, relating to the field of vehicle component technology. The car door assembly of this utility model includes a sheet metal part, a mounting part, and a sealing part. The mounting part is connected to the sheet metal part and includes a first snap-fit ​​portion. The sealing part is used to abut against the door glass and includes a second snap-fit ​​portion connected to the first snap-fit ​​portion, allowing the sealing part to be detachably connected to the mounting part. By using the mounting part for connection, the sealing part is avoided from being directly connected to the sheet metal part, thus eliminating the need for a complex mounting structure on the sheet metal part, reducing the width requirements of the sheet metal part, effectively reducing the overall width of the sheet metal part, further promoting the narrowing design of the B-pillar of the car door, and improving the interior space and vehicle aesthetics.

This application provides an SOI substrate and its manufacturing method, and an SOI substrate with an isolation structure. The method includes: providing a substrate, the substrate including a substrate and an insulating layer formed on the substrate; etching the insulating layer to form a first trench in the insulating layer exposing the substrate; depositing an amorphous material layer on the insulating layer, the amorphous material layer contacting the substrate through the first trench; and performing laser annealing on the amorphous material layer to transform the amorphous material layer into an epitaxial layer. In the SOI substrate manufacturing method provided in this application, the use of laser annealing can quickly transform the amorphous material layer into an epitaxial layer, effectively reducing the thermal budget. Furthermore, the above SOI substrate manufacturing method does not require ion implantation, which simplifies the manufacturing process and reduces manufacturing costs.

The application belongs to the field of smart fibers and flexible electronics, and relates to an integrated circuit fiber and a preparation method thereof. The fiber contains electronic components integrated in a single fiber, and the electronic components are composed of multiple functional layers serving as components of the fiber and extending along the axial direction of the fiber. The integrated circuit fiber includes two types of integration schemes: one is a two-dimensional grid structure of multiple electronic components arranged radially side by side, and the electronic components can be electrically interconnected or isolated; the other is a radial stacking structure of a single electronic component, which can be adapted to five types of functional units, including electroluminescence, resistance-capacitance processing, capacitance sensing, transistors and organic electrochemical diodes. The preparation method comprises the following steps: a multi-channel microfluidic chip is used, multiple spinning solutions are injected into different channels, the spinning solutions in some channels are periodically turned on and off, the flow rates of the channels are independently controlled, the solutions are combined to form a multi-layer laminar flow structure, and the product is obtained through solidification in a coagulation bath, cleaning and drying. The application realizes high-density and high-stability functional integration in a single fiber.

The application discloses a cavity filter, which comprises a cavity, an upper cover plate, a plurality of tuning screws, an input joint and an output joint. The cavity is divided into a plurality of resonant cavities which are open upward, and a resonant body is arranged in each resonant cavity. The resonant body comprises a resonant rod and a resonant column which are integrally formed. The first end of the resonant rod is integrally formed with the side wall of the resonant cavity, the second end of the resonant rod is cross-connected with the resonant column, and the resonant column extends up and down in the resonant cavity. The upper cover plate is arranged on the upper side of the cavity. The plurality of tuning screws are arranged on the upper cover plate and respectively extend into the plurality of resonant cavities. The bottom end of the tuning screw faces the resonant rod and is spaced from the resonant rod up and down. One side of the tuning screw faces the resonant column and is spaced from the resonant column. The input joint and the output joint are arranged on the side wall of the cavity and are respectively connected with one of the plurality of resonant rods. The application can greatly reduce the types and quantity of materials, simplify the manufacturing process, improve the production efficiency and reduce the cost.

The present application relates to the field of pharmaceutical preparations, in particular to a long-acting eye composite preparation for improving the symptoms of blepharitis. The preparation comprises a combination of two active ingredients in a therapeutically effective amount, and one or more ion-sensitive polymers or their complex systems, which are used to treat the symptoms of blepharitis caused by Demodex through a special double-cavity drug delivery bottle. By using a specific ion gel matrix concentration and regulating the viscosity of the drug solution before it reaches the eye, the limitations of traditional eye preparations are overcome, the retention time of the drug in the eye is prolonged, the bioavailability is improved, the probability of adverse events is reduced, and the medication compliance is increased.

The utility model relates to a kind of packaging devices with multi-face heat dissipation function.The packaging devices with multi-face heat dissipation function include: substrate, including the front and back of opposite distribution along first direction;Chip, attached on the front of the substrate, the chip includes the first surface towards the substrate and the second surface opposite with the first surface along the first direction;Multi-face liquid cooling heat dissipation structure, including upper cover, lower support and heat dissipation channel, the upper cover is located above the chip along the first direction, the lower support is at least located in the side of the chip and vertically connected with the end of the upper cover, the upper cover, the lower support and the chip form the heat dissipation channel, the heat dissipation channel is used to accommodate cooling liquid.The utility model realizes the multi-face liquid cooling heat dissipation of chip, increases the heat dissipation area of chip, enhances the heat dissipation performance of chip.

This invention belongs to the field of metal matrix composite material preparation technology, specifically relating to a zinc-based composite material, its preparation method, and its application, addressing the problems of insufficient mechanical properties and difficulty in uniformly dispersing nanoparticles in pure zinc materials. The zinc-based composite material comprises a zinc matrix and fine nano-ceramic particles. The nano-ceramic particles have a particle size of 50-99 nm and a volume fraction of 0.5-2 vol%, uniformly dispersed within the zinc matrix. The preparation method involves an in-situ exchange reaction to transfer coarse nano-ceramic particles from an aluminum carrier to the zinc matrix, dispersing and refining them to obtain a zinc-based composite material with fine nano-ceramic particles. This invention solves the technical problem in existing technologies where high-melting-point ceramic materials are prone to floating, agglomeration, or interfacial separation, resulting in difficulty in precisely controlling the particle size below 100 nm. It achieves a uniform distribution of the ceramic reinforcing phase below 100 nm, thereby improving the creep and mechanical properties of the zinc-based composite material.

The utility model relates to a kind of encapsulation devices with liquid cooling heat dissipation structure.The encapsulation devices with liquid cooling heat dissipation structure include: substrate, including the front and back of opposite distribution along first direction;Chip, is attached on the front of the substrate, the chip includes the first surface towards the substrate and the second surface opposite with the first surface along the first direction;Liquid cooling heat dissipation structure, including upper cover, lower support and heat dissipation channel, the lower support is attached on the side of the chip and is connected with the end of the upper cover, the upper cover and the chip form the heat dissipation channel, and the heat dissipation channel is used to accommodate coolant.The utility model enhances the heat dissipation performance of chip.

This application discloses a vehicle and its manufacturing method. The vehicle includes: a frame beam body having a first side and a second side disposed opposite to each other; and a reinforcing structure, at least disposed on the first side, for strengthening the frame beam body. The frame beam body is a first fiber-reinforced composite material molded part, and the reinforcing structure is a second fiber-reinforced composite material injection molded part. Therefore, the vehicle of this application, while meeting the requirements for strength, stiffness, and top pressure resistance, can also improve lightweighting, simplify the manufacturing process, and shorten the manufacturing cycle.

This invention provides a field-effect transistor (FET), its fabrication method, and a power device thereof. The FET includes a substrate, a functional body, a gate dielectric, and a gate. The functional body includes a drift epitaxial region, a channel region, a source region, a first shielding region, and a second shielding region. Multiple gate trenches with their openings located on the surface away from the substrate are formed within the functional body. Each gate trench contains a gate and a gate dielectric. The channel region contacts the gate dielectric in one of the gate trenches and has a channel. The first shielding region is located between the channel region and another gate trench, and it contacts the gate dielectric in the other gate trench. The second shielding region is located below the gate trench and is connected to the first shielding region. The first and second shielding regions can significantly reduce the on-resistance of the device and increase its breakdown voltage.

This invention discloses a heating-not-burning cigarette cooling unit containing a phase change cooling material and a heating-not-burning cigarette. The unit comprises at least a carrier paper and a phase change cooling material coated on the carrier paper. The phase change cooling material is distributed in a non-fully-covering, regular pattern on the carrier paper. The carrier paper coated with the phase change cooling material forms multiple longitudinally extending channels through winding, folding, gathering, bending, and wrinkling, and has a porosity of 40%-90% along the longitudinal direction. The phase change cooling material comprises 55-96 parts by weight of polyethylene glycol, 1-5 parts by weight of in-situ reinforcing material, and 3-40 parts by weight of thermally conductive filler. The heating-not-burning cigarette cooling unit of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

The present application relates to the technical field of gel electrolyte for supercapacitor, in particular to a gel electrolyte based on lysozyme amyloid fibers and application thereof. The ion conductivity of the conventional plant protein-based gel electrolyte is poor, and the electrical performance needs to be further improved. In view of the above problems, the present application provides a gel electrolyte based on lysozyme amyloid fibers. The lysozyme in the formula self-assembles into amyloid fibers under acidic conditions, and the surface of the amyloid fibers is rich in polar groups such as hydroxyl, carboxyl and amino groups, which can effectively promote the dissociation of lithium salt. At the same time, the three-dimensional network structure formed by the self-assembly of the fibers. Glycerol as a small molecule plasticizer inserts between the polymer chains. Lithium perchlorate and other lithium salts can provide high concentration of free lithium ions due to the large anion volume and low dissociation energy. The above components synergize and jointly act, effectively improving the comprehensive electrical performance of the gel electrolyte.

The application relates to a COF adsorbent for efficiently and selectively recovering Pb (II) and application thereof, and belongs to the field of high-efficiency adsorbents for adsorbing heavy metals and high-sensitivity electrochemical sensors. A Schiff base reaction occurs between benzene [1,2-b:3,4-b':5,6-b'] trithiophene-2,5,8-trialdehyde (BTT) and 3,3'-dihydroxybenzidine (DHBD) to obtain BTT-DHBD-COF, which has excellent adsorption performance on Pd (II), and the adsorption capacity can reach 570.7 mg / g after 10 min of adsorption; the detection limit of BTT-DHBD-COF / GCE on Pb (II) is 3*10 ‑12 mol L ‑1 .

A semiconductor device (100) for controlling an electric current flowing between a source terminal (102) and a drain terminal (104) and a method for forming such a device are disclosed. The semiconductor device is formed from a layer stack of GaN layers, wherein a vertical junction field effect transistor JFET structure (120) and a lateral high electron mobility transistor HEMT structure (130) are provided to control the electric current.

This disclosure discloses a method for fabricating a light-emitting diode (LED) chip and the LED chip itself, belonging to the field of semiconductor technology. The method for fabricating the LED chip includes: fabricating an epitaxial layer; etching isolation trenches on one side of the epitaxial layer; spin-coating a passivation solution such that the passivation solution is at least partially located within the isolation trenches; and curing the passivation solution to obtain a passivation layer, such that the passivation layer covering the isolation trenches can reduce the etching angle of the isolation trenches. The embodiments of this disclosure simplify the fabrication process and reduce fabrication costs.

The utility model relates to electronic atomization technical field, concretely is a kind of novel heating body structure.A kind of novel heating body structure, including heating pipe and heating element, the heating element has heating part and lead part, the heating pipe outer wall is equipped with accommodating cavity, the heating part is placed in the accommodating cavity, the accommodating cavity inside is filled with heat-conducting insulating material, the heating element uses independent control scheme.The utility model can reduce the influence of heating pipe base material on heating efficiency, with the advantages of compact structure, easy to assemble, simplify production process.Meanwhile, each heating element can work independently, so that the heating pipe circumferential side each heating area can be controlled respectively, improve the flexibility of use.

According to an embodiment of the present disclosure, a memory device may include: a substrate including a cell region in which a memory cell is disposed and an extension region outside the cell region; a first gate electrode layer buried in the substrate and extending in a set direction from the cell region to the expansion region, an upper surface of the first gate electrode layer in the cell region being at substantially the same level as an upper surface of the first gate electrode layer in the expansion region; a second gate electrode layer disposed on the first gate electrode layer and extending from the cell region to the extension region in a set direction; and a word line contact in the extension region and extending into the second gate electrode layer in a vertical direction perpendicular to the set direction.

This utility model discloses a photovoltaic-thermal module for an evaporator, including a photovoltaic module, a heat absorber plate, a heat absorption channel, and a frame. A junction box is provided inside the photovoltaic module. The heat absorber plate is fixedly connected to the back of the photovoltaic module, and the heat absorption channel is fixedly connected to the heat absorber plate. Refrigerant circulates within the heat absorption channel. The heat absorption channel includes a manifold and branch pipes. The manifold has a closed design at both ends and is connected to a connecting pipe. The branch pipes are internally threaded thin tubes with a diameter of 3-10 mm. Both ends of the branch pipes are connected to the manifold, and one or more semi-circular bends are provided along the length of the same branch pipe. Using this photovoltaic-thermal module significantly reduces the risk of photovoltaic panel deformation and microcracks in the solar cells, simplifies the manufacturing process, reduces costs, and optimizes heat exchange efficiency.

This application relates to the field of oxide target technology, specifically disclosing an ITZO target and its preparation method. The preparation method of the ITZO target includes the following steps: applying an In-containing... 3+ Sn 4+ Zn 2+ A complexing agent is added to the solution to obtain a mixed solution; the mixed solution is then added dropwise to an ammonia solution and aged to obtain a precursor precipitate; the precursor precipitate is then subjected to spray pyrolysis, cold isostatic pressing, and warm isostatic pressing to obtain an ITZO preform; the ITZO preform is then subjected to programmed temperature calcination and programmed temperature cooling to obtain an ITZO target. This application obtains a uniformly composed and highly dense ITZO target by dynamically controlling the composition of the mixed gas during the programmed temperature cooling process through two static pressing treatments; using this target, a transparent conductive film with high visible light transmittance and excellent electrical properties can be prepared by sputtering, solving the technical problems of uneven composition, low density, and poor quality of sputtered films in existing targets.

The application discloses a selective catalytic reduction flue gas heating device, which comprises a flue gas transmission main line and a combustion furnace chamber, the output end of the combustion furnace chamber is inserted into the flue gas transmission main line, a furnace chamber collector and a burner are arranged in the combustion furnace chamber, a control valve is arranged at the input end of the flue gas transmission main line, a main line collector is arranged in the flue gas transmission main line, and the heating device further comprises a collection system, a data analysis system, a control module and a heater. The selective catalytic reduction injection pipe is directly connected to the obliquely-inserted combustion furnace chamber, is used for direct combustion of the burner, the high-temperature flue gas generated by combustion is mixed with the flue gas of the main line of the internal combustion engine to improve the flue gas temperature of the internal combustion engine, the prepared flue gas heating device is compact in structure, convenient to arrange, simple in preparation process, low in cost, convenient to maintain, can adjust the power of the burner according to different exhaust pipe diameters, and is high in thermal efficiency and economic benefits.

This utility model provides a rotor assembly and a motor having the same. The rotor assembly includes a rotor core, a first end bracket, a second end bracket, and multiple connectors. The rotor core includes multiple core blocks, which are circumferentially joined to form the rotor core. Each core block has a channel that extends through it along the axial direction. Each connector is inserted into a channel and has a first part and a second part located outside the two ends of the channel. Each first part is connected to a first outer ring of the first end bracket, and each second part is connected to a second outer ring of the second end bracket. The first and second outer rings clamp the core blocks from both sides of the rotor core along its axial direction. According to this utility model, the core blocks are fixed into a single unit to form the rotor core by two outer rings and multiple connectors, thereby simplifying the rotor manufacturing process and improving production efficiency.

A photothermal converter based on a hemispherical Bi₂Se₃ superstructure belongs to the field of solar energy technology and applications. The stacked structure from bottom to top consists of: a metal substrate, a silica microsphere mask layer, and a Bi₂Se₃ thin film layer. The metal substrate is made of materials such as titanium and has a thickness greater than the skin depth (≥100 nm). The silica microsphere mask layer forms a close-packed array through self-assembly, with microspheres having a diameter of 200 nm. The Bi₂Se₃ thin film is prepared through conformal deposition, with a thickness ranging from several nanometers to hundreds of nanometers. This device utilizes the bulk-surface state synergistic effect of the topological insulator Bi₂Se₃, combined with Mie resonance excited by a hemispherical superstructure and plasmon coupling, to achieve an average high absorption rate of 97% in the 0.3–2.5 μm band and an emissivity as low as 0.07 in the 2.5–25 μm band. It exhibits stable absorption characteristics over a wide incident angle (0°–60°) and can be prepared in a low-cost and controllable manner through self-assembled microsphere masks and magnetron sputtering technology, providing a feasible solution for high-performance solar thermal conversion systems.

The application discloses a kind of high surface natural micropore structure regulation-based high surface withstand voltage polyimide and preparation method and application thereof, belong to high voltage insulating material technical field, after drying diamine is dissolved in solvent A, then add dianhydride, after stirring uniformly, obtain polyamide acid solution;Add pore forming agent again, high-speed stirring is uniformly dispersed, obtain mixed viscous solution C;After coating, drying, imidization high temperature heating, and natural cooling, immerse in liquid B and extract pore forming agent, after drying, obtain high surface natural micropore structure regulation-based high surface withstand voltage polyimide.The polyimide surface has natural pore structure, surface is along the surface of electric field, and the through-hole structure is densely distributed along the surface of electric field, and the electron is easy to drop into the through-hole structure in the jumping multiplication process when flashover, and it is difficult to return to the surface, so that the secondary electron multiplication process is inhibited, the probability of forming secondary electron avalanche is reduced, so as to realize the improvement of surface withstand voltage.

The invention discloses a gecko-like magnetic control reversible attachment / desorption device, which comprises a substrate layer made of a magnetic composite material, bionic cilia and adsorption discs, a plurality of bionic cilia are arranged on the surface of the substrate layer, one end of each bionic cilia is connected with the surface of the substrate layer to form an inclined included angle, and the other end of each bionic cilia is connected with one adsorption disc. The device not only has the bionic characteristic of a gecko, but also has the capability of being controlled by using an external magnetic field, is flexible and diverse in driving mode, has good deformation performance, can bear larger deformation and tension without being damaged, and has the characteristics of small size, easiness in control and production, quick response and the like. The invention further discloses a preparation method of the adsorption disc, the adsorption disc can be automatically formed based on a magnetic surrounding aggregation mechanism, the adsorption disc has the advantages of being low in cost and easy to obtain, the preparation process is simple and efficient, and batch production can be achieved.

A hydraulic system of an excavator in standby mode: when a safety handle is not activated, the displacement of a main pump is controlled to be a set protection displacement, so that a standby valve is at a maximum opening area; when the safety handle is changed from not activated to activated, the displacement of the main pump is controlled to decrease from the protection displacement to a standby displacement, so that the opening area of the standby valve is ramped to decrease from the maximum opening area to a set demand opening area.

This invention relates to the field of polymer materials technology, specifically disclosing a polypropylene composite material, a polypropylene composite film, and a method for preparing the same. The invention provides a polypropylene composite material comprising polypropylene, 1,3:2,4-di-p-methylbenzyl sorbitol, and other additives. The 1,3:2,4-di-p-methylbenzyl sorbitol used as an organic nucleating agent can effectively regulate and improve the microstructure of polypropylene, significantly increasing its crystallinity and reducing density defects in the resulting polypropylene film. This provides a reliable material basis for preparing polypropylene composite films with high electrical insulation properties, excellent high-temperature resistance, and long-term high-temperature cycling stability, solving the problem of insufficient long-term stable cycling performance in existing polypropylene films due to low energy storage density and poor high-temperature resistance.

Disclosed in the embodiments is a light guide device, comprising: a frame; and a cover, a first substrate and a second substrate arranged on the frame in sequence, wherein the frame comprises a first step structure and a second step structure, the cover is arranged on the first step structure, and the first substrate is arranged on the second step structure.