268results about How to "Big cost advantage" patented technology

The invention discloses a graphene grinding and stripping device which comprises an upper grinding disc, a lower grinding disc, a driving mechanism for driving the upper grinding disc to rotate, and a material collection mechanism for collecting a product after grinding, wherein the upper grinding disc and the lower grinding disc are matched with each other; a horizontal contact surface is formed between the upper grinding disc and the lower grinding disc, the upper grinding disc is provided with an upper feed inlet, the lower grinding disc is provided with a lower feed inlet, the upper feed inlet and the lower feed inlet are both connected with the contact surface between the upper grinding disc and the lower grinding disc, and the lower end of the lower feed inlet is in sealed connection with one water inlet tube; moreover, the upper end face of the lower grinding disc is provided with a groove, and an annular region formed by rotary surrounding of the lower end of the upper feed inlet is surrounded in the groove. The graphene grinding and stripping device can realize large-size successful stripping of graphene. The invention also relates to a graphene production system containing the graphene grinding and stripping device and a graphene production method.

The invention relates to an active hydraulic damper specially for railway vehicles, comprising a hydraulic cylinder, an electric motor, a hydraulic accumulator, at least a pump and at least a control valve. According to the invention, all components of the active hydraulic damper are arranged at the hydraulic cylinder.

The invention discloses a beam shaping illumination system of a semiconductor laser array, which comprises the semiconductor laser array, an optical system for transforming beam divergence angles of a fast axis, a device for deflecting angles of beams in the fast axis direction, and an optical system for transforming divergence angles of a slow axis and deflecting the beams in the slow axis direction. The system has a key point that the superposition effect of Gaussian beam parts of a plurality of laser units is formed in a distant field by controlling the deflection degree of beam transmission axes of each laser unit in the fast axis and slow axis directions respectively so as to construct illumination beams according with field coverage requirements. The system has the characteristics of high efficiency, simple structure, low cost, integration and practicability, and is particularly applicable as an illumination light source of area array imaging laser radar and active laser illumination detecting systems.

A method of providing an insulated pipe-in-pipe assembly includes providing an inner pipe; providing a thermal insulation layer of a highly porous solid formed from a gel, the highly porous solid having pores smaller than 100 nanometre, the thermal insulation layer being provided around the inner pipe for thermal insulation of the inner pipe; providing a protective layer on the outer surface of the thermal insulation layer for protecting the thermal insulation layer, and providing a thick walled outer pipe around the protective layer. A Pipe-in-pipe assembly and a pipe-in-pipe section made by the method are also provided.

The invention discloses a micro hole manufacturing process of a multilayer HDI circuit board. The process comprises the following steps of: (1) carrying out inner-layer laser hole drilling and electroplating; (2) stuffing the electroplated micro holes or micro through holes by resin; (3) grinding orifice resin; (4) carrying out copper deposition and electroplating on the ground orifice resin after stuffing the holes so as to ensure that the surface of the orifice resin is metallized; (5) carrying out inner-layer circuit board etching and outer-layer lamination; (6) carrying out outer-layer laser hole drilling; and (7) electroplating outer-layer patterns to realize interlaminar electrical interconnection. The process breaks a conventional processing mode of micro hole filling and electroplating at present and adopts the method of electroplating after laser hole drilling, stuffing the holes and then electroplating to realize the interlaminar electrical interconnection of PCB boards. The process can realize micro hole overlapping and interconnection and the resetting of welding points on the surfaces of the through holes, can further improve the wiring density of inner-layer and outer-layer circuit boards and is beneficial to developing the PCB boards to miniaturization, densification and high reliability.

The present invention teaches a single-poly non-volatile memory cell which is compatible with the CMOS process, uses lower voltages for operating, and is more reliable in program, read, or erase operation. The single-poly non-volatile memory cell in accordance with the present invention comprises a program transistor with a program terminal; a sensing transistor with a sensing terminal; and an erase transistor with an erase terminal, wherein the sensing transistor shares a floating gate with the program transistor and the erase transistor. By employing the present invention, significant cost advantages in feature-rich semiconductor products, such as System-on-Chip (SoC) design, compared to conventional dual-poly floating gate embedded Flash memory are provided.

The invention discloses a method for embedding chips into cavities in the front and back sides of an adapter plate. The method comprises the steps that the adapter plate adopts a silicon wafer with double SOI (silicon on insulator) layers to manufacture a silicon through hole, the silicon through hole penetrates through a first SOI layer and stops on a second SOI layer to obtain the silicon waferwith the silicon through hole, and then the silicon through hole is filled with electroplated metal to obtain the silicon wafer filled with metal; a groove is etched on the opening surface of the silicon through hole, a metal column in the groove is corroded, and cavities are formed on the front side and the back side to obtain the adapter plate with grooves on the two sides; and the chips with soldering tin are embedded, then an RDL interconnection layer is manufactured on the surface, a second SOI layer is continuously etched to expose one end of the metal column filled in the silicon through hole, the chips with soldering tin balls are embedded, the filling colloid is solidified, and the surface colloid is removed. According to the invention, the adapter plate is manufactured, and the grooves are formed in the front side and the back side of the adapter plate; chips are embedded into the grooves; and the purpose that the chips are embedded into the front side and the back side of the adapter plate is achieved.

The invention relates generally to a process for removing one or more contaminants from an electrolytic solution and more particularly to a process for removing the one or more contaminants contained in an electrorefining solution using rare earth metals.

The invention discloses an aluminum alloy wheel finishing process, which comprises the steps of: aslant pouring and immersing aluminum alloy blank subjected to thermal processing in a rotating container filled with a grinding material and a grinding agent, forming a medium flow in the front of the wheel through the rotation of the wheel and the relative movement of the container, and carrying out regular and efficient grinding and polishing processing on the front of the wheel and window parts by the medium flow, and finally realizing a mirror polishing effect with extremely excellent surface consistency. By adopting the process, the problems of poor appearance quality in tradition mechanical polishing and low efficiency of a vibration finishing process are overcome, the labor intensity of workers is greatly reduced, the labor environment of the workers is improved, the efficiency is 5-6 times that of the tradition polishing process and vibration finishing, and great cost advantage is achieved.

A device, an ammeter and a motor vehicle, having a first section (10) and a second section (20) of a conductor (1) for the purpose of measuring the electrical amperage in the conductor (1) are described; a first sensor means (15) and a second sensor means (16) being provided; the current flowing in the first section (10) and in the second section (20) generating a useful magnetic field; the first sensor means (15) being provided to measure the useful magnetic field; the second sensor means (16) being provided in a location where the useful magnetic field disappears; the second sensor means (16) being provided to measure a magnetic interference field; and the measurement of the useful magnetic field being correctable by the measurement of the magnetic interference field.

An integrated circuit comprising a plurality of modules (M) for processing applications is provided, wherein each of said modules comprise a local memory (LM). The integrated circuit further comprises a global memory (GM), which can be shared between the plurality of modules (M), and an interconnect means (IM) for interconnecting said modules (M) and said global memory (GM). A memory managing unit (MMU) is associated to each of said modules (M) and determines whether the local memory (LM) provides sufficient memory space for the currently processed application. If this is not the case, the memory managing unit (MMU) requests a global buffer (FB) in said global memory (GM) to be exclusively reserved for the processing data of its associated module (M). Accordingly, by using the local memory (LM), whenever possible, before data is outsourced to the global memory (GM), power as well as bandwidth of the interconnect means can be saved. Furthermore, sufficient flexibility is introduced to the system on-chip to enable running applications that demand more local resources e.g. local memory, than are available in the subsystems or modules (M), without having the need to design the subsystems or modules for worst case scenarios. Especially, when the worst-case demands are much higher than the average case, the cost advantage can be significant.

The invention discloses a low-hardness high-damping rubber composition and a preparation method thereof. According to the composition, butyl rubber and polynorbornene rubber are used together, so that the damping application range of the material is widened, the application temperature is from 40 DEG C below zero to 80 DEG C, and the heat resistance and ozone resistance of the material are improved to a certain degree. A wide-temperature range, low-hardness and high-damping material is prepared through blending, the application range of the damping material is improved, especially a high-damping effect at room temperature is achieved, the rebound rate of vulcanized rubber at room temperature is less than 1 percent, and 90 percent of kinetic energy is converted into heat energy, so that an effect of maximizing the damped oscillation is achieved. The rubber composition disclosed by the invention can be widely applied to the fields of buildings, automobiles and high-precision instruments so as to achieve the damping aim.

The invention discloses a rotary graphene stripping device including a rotary cylinder body; a top cover is arranged above the rotary cylinder body, a bottom cover is arranged below the rotary cylinder body, the top of the top cover is provided with a feed inlet, the bottom of the bottom cover is provided with a discharge port, and the feed inlet is communicated with the interior of the rotary cylinder body; the outer side of the rotary cylinder body is provided with a first motor, and is used for driving the rotary cylinder body to horizontally rotate; the rotary cylinder body is also internally provided with an inner cylinder, and a second motor used for driving the inner cylinder to horizontally rotate in a direction opposite to the rotating direction of the rotary cylinder body is arranged below the rotary cylinder body; the upper part of the inner cylinder is shrunk in a certain angle, and a material storage space is left between the upper part of the inner cylinder and the upper part of the rotary cylinder body; the lower part of the inner cylinder and the lower part of the rotary cylinder body are in clearance fit to be used for grinding graphite sheets, and a clearance between the lower part of the inner cylinder and the lower part of the rotary cylinder body is successively decreased downward along the axial direction of the rotary cylinder body. The rotary graphene stripping device can achieve successful stripping of graphene. The invention also relates to a graphene production system containing the rotary graphene stripping device and a graphene production method.

The discharge hole diameter of the nozzle is 0.01 to 25 μm, and the upper limit voltage (10) set to be greater than or equal to the minimum dischargeable voltage (30) as a voltage condition for starting fluid discharge is applied between the nozzle and the substrate by a voltage applying unit the pulse voltage. Before the rising edge of the pulse voltage, set the first lower limit voltage (20a) whose polarity is the same as the upper limit voltage (10) and whose absolute value is smaller than the lowest dischargeable voltage (30), and immediately after the rising edge of the pulse voltage, set A second lower limit voltage (20b) having a polarity opposite to the upper limit voltage (10). Therefore, it is possible to provide an electrostatic attraction type fluid discharge method and device, which can achieve miniaturization of nozzles, discharge of tiny fluids, high accuracy of impact position, and low voltage of driving voltage, while improving discharge start-stop characteristics and driving frequency. And it can control the pulse time of the discharge volume.

The invention relates to a preparation method of briquetted active carbon, which sequentially comprises the following technical processes: (1) oxidizing and drying a coal material; (2) mixing; (3) pulverizing; (4) molding; (5) charring; (6) drying the charred material; (7) activating; (8) screening the activated material; (9) performing acid pickling; and (10) drying the acid-pickled material. The method has the advantages of low investment, high yield, favorable environmental protection effect, low cost and low comprehensive energy consumption. The product has the characteristics of light bulk specific gravity, well-developed macropores, mesopores and minipores, and high adsorption speed.

The invention discloses a test platform of a controller area network (CAN)-based light rail vehicle network control system, which comprises a driver console A, a driver console B, a control cabinet A, a control cabinet B and a subsystem simulation cabinet, wherein the driver consoles A and B have the same structure; the control cabinets A and B have the same structure; and the driver console A, the control cabinet A, the subsystem simulation cabinet, the control cabinet B and the driver console B are connected by a CAN. The test platform can greatly shorten the debugging time of the vehicle network control system so as to shorten the time of delivering vehicles to users by original equipment manufacturers and finally realize the advanced delivery or operation of the vehicles. The test platform and a research platform are provided for the CAN technology-based control system, are favorable for the popularization and application of a CAN system in China and further promote the diversified development of the light rail vehicle network control system in China.

A vehicle brake system has a plurality of hydraulic brake circuits via which wheel brake units are supplied with brake pressure. At least one wheel brake unit is connected to at least two brake circuits and supplied with brake pressure via these two brake circuits.

The invention discloses a hydraulic control method and system of a hybrid power gearbox. The hydraulic control system of the hybrid power gearbox comprises a first hydraulic actuating mechanism, at least one second hydraulic actuating mechanism, oil pumps and driving systems thereof and a reversing valve, wherein the first hydraulic actuating mechanism is used for performing parking unlocking andparking actions; the oil pumps input hydraulic oil into the reversing valve; the reversing valve selectively transfers the hydraulic oil to the first hydraulic actuating mechanism to perform the parking unlocking action or the parking action, or selectively transfers the hydraulic oil to the second hydraulic actuating mechanisms. According to the hydraulic control method and system of the hybrid power gearbox, a parking actuating mechanism is integrated into a clutch actuating mechanism or a cooling actuating mechanism, and the oil pressure control unlocking of the parking actuating mechanismis carried out through the oil pump of the clutch actuating mechanism or the cooling actuating mechanism; and the structure is compact and high in integrated level, the required assembly space is small, the number of varieties of parts of the system is small, the hydraulic control method is simple, and the integrated level of the system is greatly improved.

The invention discloses a magnetism, copper and zinc-iron soft magnetic ferrite material and a preparation method thereof. Formula of main components by mole percentage comprises ferric oxide, zinc oxide, magnesium oxide and copper oxide. First assistant components of doping agents comprise one of or mixture of several of components of calcium carbonate or cobalt oxide or silicon dioxide. Second assistant components of the doping agents comprise one of or mixture of any two or three of components of vanadium pentoxide or bismuth oxide or lithium carbonate. The preparation method includes primary ball-milling, presintering, secondary ball-milling, forming and sintering. Then a blank part is placed in a sintering furnace for sintering, four-hour heat preservation at temperature of 1250 DEG C is carried out, and a finished magnetic core is obtained. Technical performance of the magnetism, copper and zinc-iron soft magnetic ferrite material is the same as that of nickel zinc ferrite, and rod-shaped, I-shaped and annular-shaped magnetic cores manufactured by the preparation method have large cost advantages.