76results about How to "Low cost advantage" patented technology

The present invention provides a structure of multi-chips package comprising: a substrate with a die receiving cavity formed within an upper surface of the substrate and a first through holes structure, wherein a terminal pads is formed under the first through holes structure. A first die is disposed within the die receiving cavity and a first dielectric layer is formed on the first die and the substrate. A first re-distribution conductive layer (RDL) is formed on the first dielectric layer. A second dielectric layer is formed over the first RDL and a second die is attached on the second dielectric layer. A surrounding material surrounds the second die. A third dielectric layer is formed over the second die and the surrounding material. A second re-distribution conductive layer (RDL) is formed on the third dielectric layer. A protection layer is formed over the second RDL.

Electrodes in an organic thin film transistor based on single component organic semiconductors may be chemically modified to realize ambipolar transport. Electronic circuits may be assembled which include at least two such organic thin film transistors wherein at least one transistor is configured as a pmos transistor and at least on other transistor is configured as a nmos transistor.

The invention provides a global navigation satellite system (GNSS) receiver spoofing signal parameter estimating method. The GNSS receiver spoofing signal parameter estimating method comprises the steps that (1) a digital intermediate-frequency signal from a GNSS receiver antenna and two paths of sinusoidal / cosine signals, with the 90-degree phase difference, locally generated according to the Doppler frequency output by a carrier wave NCO are input into frequency mixers; and (2) output results of the two branch frequency mixers and C / A codes of locally generated different code phases are input into a multichannel correlator to be subjected to correlation operation, and output signals operated by the multichannel correlator become real baseband signals only containing navigation data information. According to the GNSS receiver spoofing signal parameter estimating method, by extending iterative state estimation of a Kalman filter, signal energy of GNSS signals and spoofing signals, thecode interval between the GNSS signals and a final spoofing position as well as the code interval between the spoofing signals and the final spoofing position are calculated in real time, and thus theanti-jamming ability and anti-spoofing ability of a GNSS receiver are improved.

The present invention discloses a method for driving a liquid crystal display device for enhancing a picture quality. More specifically, a method for driving liquid crystal display in a multi-frame polarity inversion manner is disclosed. Based on standard liquid crystal display structure, hardware and specification, the method improves frame rate by increasing input rate of grayscale level with a better brightness performance and fewer loss of grayscale. The method comprises the following steps of: setting two or more voltage-controls during frame period of liquid crystal display panel to increase frame rate; setting a first grayscale level and a first voltage corresponding to the first grayscale level to represent brightness on liquid crystal display panel during a first voltage-control; and setting a second grayscale level and a second voltage corresponding to the second grayscale level to represent brightness on liquid crystal display panel during a second voltage-control which is just behind and in the same polarity as the first voltage-control.

The invention provides a vertically and electrically self-connected three-dimensional stack chip structure and a manufacturing method thereof; wherein, respective electrical conductive wire layers are formed among the three-dimensional stack chips and then extended to the sidewalls of the chips; the respective electrical conductive wire layers which are buried among the layers and exposed out of the sidewalls of the chips are used to carry out electroless metal self-deposition to grow up isotropically, so as to form a vertical and electrical conductive wire along the sidewalls of the stack chips; the vertical and electrical conductive wire is then connected with each electrical conductive layer to complete the vertical and electrical self-connection of the three-dimensional stack chips.

A draw method for preparing the multi-element composite RE-W electrode material includes such steps as preheating the drawing dies to 500-550 deg.C, raising the furnace temp to 1175-1225 deg.C, making the heating power constant, sequentially drawing with the pre-heated phi 2.5, phi 2.0, phi 1.6 and phi 1.2 dies, regulating the heating powder of furnace to make the furnace temp be 875-925 deg.C, and drawing with phi 1.1 die.

The invention provides a method for manufacturing a shell of a microwave high-power pipe. Existing commercialized tungsten copper or molybdenum copper or other copper-based composite materials cover the two sides of copper foil, and 'Cu-Laminate' heat sink of the copper-based composite materials of a sandwich structure is synchronously formed in the braze welding process of a semi-finished product of the shell. The method has the advantages that the braze-welded shell is in a stress state with the safe strength, and heat conductivity is at least increased by 10% compared with heat conductivity of a shell that only core layer alloy is used. Heat dissipation capacity, air tightness and long-term reliability of the shell manufactured according to the process route and the method can meet the packaging requirements of a high-power-density microwave high-power device. Due to the fact that core layer materials used for forming 'Cu-Laminate' heat sink are mature commercialized tungsten copper and molybdenum copper, the cost advantage is possessed, and material procurement risks can be greatly reduced.

The invention discloses a planar bipolar ultra-broadband phased array antenna based on tight-coupling dipole subunits, and belongs to the technical field of electrocommunication, particularly ultra-broadband phased array antennas. Existing tight-coupling antenna array structures and feeder networks are improved, a grounding hole to the ground is introduced to each monopole of a dipole sub-antenna-unit, therefore, common-mode signal interference which influences the broadband antenna performance is eliminated, a necessary broadband Balun device in the existing tight-coupling antenna feeder networks is removed, and the defects are overcome that existing broadband phased array antennas are high in cost, not easily conformal and complex in manufacturing and cannot achieve the modularized function. The achieved novel planar tight-coupling bipolar ultra-broadband phased array antenna has the advantages of being high in index, broad in frequency band, miniaturized, easily conformal, simple instructure, capable of being assembled in a modularized mode, and can meet the requirements on a new generation of phased array antennas of the development of modern civil mobile communication systemsand military detection radar systems.

The invention discloses a functionally-graded anode composite film of solid oxide fuel cells (SOFC) and a preparation method thereof. Three currently known anode materials, Cu-LSCM-CeO2 with excellent catalytic performance, Ni-YSZ with excellent toughness and mechanical strength property and Ni-ScSZ with superior electrochemically activity, are combined, so that a plurality of requirements on the anode can by undertaken by different functional layers, each layer is enabled to cooperate with each other, and an effect of complementary advantages can be achieved through synergy, thereby eliminating carbon deposition phenomena of methane and other hydrocarbon fuels on the anodes of the SOFC, and improving stability of the anodes in the methane and other hydrocarbon fuels and catalytic activities of the anodes for electrochemical reactions. Especially, the method is suitable for preparing large-size, high-performance and functionally-graded anode composite film of the solid oxide fuel cells through industrial production, is simple in technology, short in preparation period, low in cost, and suitable for industrial applications.

The invention relates to a three-phase integrated all-fiber current transformer. The three-phase integrated all-fiber current transformer comprises a light source and an optical splitter connected with the light source, and further comprises a first phase modulator, a second phase modulator and a third phase modulator, wherein the first phase modulator, the second phase modulator and the third phase modulator are connected with the optical splitter simultaneously. The first phase modulator is connected with a first delay winding and a first sensitive element in sequence. The second phase modulator is connected with a second delay winding and a second sensitive element in sequence. The third phase modulator is connected with a third delay winding and a third sensitive element in sequence. The output end of the optical splitter on a return light path is connected with a photoelectric detector and a digital signal acquisition and processing circuit in sequence. The digital signal acquisition and processing circuit is in closed-loop feedback connection with the first phase modulator, the second phase modulator and the third phase modulator. By the adoption of the three-phase integrated all-fiber current transformer, measurement of three-phase currents can be completed simultaneously through one device, so that the number of applied phases of optical devices and circuit devices is greatly reduced, the cost is lowered, and the integration level of the whole set of equipment is improved.

An earth wire hanging, demolishing and management system is used for a power plant and a substation. The management is characterized in that a main control management platform is arranged in a command master-control room, and a secondary reexamination system is established for giving order of the demolishment of the earth wire, terminal operation and dismounting the earth wire to return the main control; a main control management program implements the earth wire hanging, demolishing and management system by a host simulating operation screen. The hard ware setting relates to that the earth wire combines with a tracker to be a signaling terminal; a troubleshooter carries out an order to the order target of an earth wire pile hanging tracker; the tracker keeps wired communication with the management system and displays position occupied; if errors are found when the demolished tracker carries out identifier reexamination at the main control platform, an audio alert works and full records are left in the main control program, therefore, the system realizes real-time communication with the dispatching of a higher authority and the local control. The management system constitutes two-level reexamination of the troubleshooter and a commander so as to ensure the correct hanging and demolishing of the earth wire and to avoid incorrect order manipulation accident; the system has the advantages of remarkable low cost and is a precautionary measure on work safety, which is easy and simple to implement in the present power sector.

The invention discloses a low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash. The material comprises, by volume, 10-40 parts of blast furnace slag, 5-45 parts of converter steel slag, 0.1-40 parts of sandy soil, 5-20 parts of sintered desulfurized ash, 5-8 parts of slag powder, 1-2 parts of cement, 0.1-2 parts of an additive and 12-13 parts ofwater. Batching, stirring, paving, rolling and curing construction are carried out in sequence on the components, thus obtaining the low-clinker high-impermeability field floor hardening material. Theinvention adopts blast furnace slag, converter steel slag, sintered desulfurized ash and sandy soil as the main raw materials, and takes an appropriate amount of slag powder and a small amount of cement as the auxiliary materials, the obtained field floor hardening material has a strength grade up to C10-C25, and can replace low-strength grade concrete for application to floors of factories and mines, storage yards and construction sites and roadbases.

The invention discloses waterborne wood floor paint for roller painting of containers. The waterborne wood floor paint comprises a first component, a second component and water in a mass ratio of 100:5-10:10-20. The first component is prepared from a composite modified self-crosslinking acrylic polymer, a composite modified wear-proof polymer, an anti-foaming agent, a dispersing agent, a waterborne flatting agent, a thickening agent, a leveling agent, smoothening and anti-adhesion additives, an anti-mildew bactericide and the balance water. The second component is prepared from a composite modified cross-linking agent and water. The waterborne wood floor paint for roller painting of the containers is great in effect, environmental friendly, especially suitable for roller painting, excellent in anti-foaming performance and abrasion resistance, high in hardness, excellent in anti-cracking performance under cold and hot conditions, anti-adhesion performance at a high temperature and water resistance, quick in drying, moderate in cost, easy in construction and high in efficiency.

The invention provides a preparation method of hexafluoropropylene oxide. The preparation method comprises the step of carrying out gas phase oxidation on hexafluoropropylene and oxygen by utilizing CF3CF2CF2O[CF(CF3)CF2O][n-1]CF(CF3)COF as a reaction solvent, so as to prepare hexafluoropropylene oxide, wherein n is an integer from 1 to 5. According to the preparation method provided by the invention, an oxidative burst problem can be solved, the high selectivity of an epoxidation reaction is maintained, the reaction can be continuously and stably carried out, and therefore, the high-yield hexafluoropropylene oxide is obtained.

A method for attaching a conductive particle to the apex of a probe tip comprises the steps of: moving the apex of a probe tip close to a conductive particle and applying a bias voltage between the probe tip and the conductive particle so that the conductive particle can permanently attach to the apex. The method uses only a bias voltage to transfer and attach conductive particles to the apex of a probe tip, and no surface treatment of the probe tip is required.

The invention provides an electric turbocharging device and belongs to the field of automobile manufacturing. A turbocharging fan (3) is installed in front of a throttle of an automobile engine and behind an air filter for air inflow and supercharge of an engine cylinder. A vacuum tube amplifier (VTA) signal of an engine throttle position sensor (1) is sent to a control module (2) to control the rotation speed of the turbocharging fan (3). The rotation speed of a turbocharging fan motor is controlled through the VTA signal, air inflow amount which is large enough is guaranteed, necessary conditions are provided for explosive type quick combustion of fuel in the cylinder, the low-rotation-speed air inflow amount in the natural air suction engine is increased, and torque and output power of a medium-and-low-rotation-speed interval are improved.

A magnetic nanoaggregate-embedded bead (NAEB), a manufacturing method thereof and a bioparticle detection method using the same are disclosed. The magnetic NAEB has a protective nanoshell, noble metal nanoparticles, Raman reporter molecules and at least one magnetic nanoparticle. The protective nanoshell covers the noble metal nanoparticles, the Raman reporter molecules and the at least one magnetic nanoparticle. The noble metal nanoparticles, the Raman reporter molecules and the at least one magnetic nanoparticle form a magnetic nanoaggregate. Preferably, a chemical modification is performed on the magnetic NAEB, such that at least one targeting molecule is formed on an outer wall of the protective nanoshell, wherein a type of the targeting molecule is corresponding to a type of the bioparticle to be detected.

The invention discloses an extended SQM-based GNSS receiver baseband spoofing detection method. A multiplier, a correlator, a coherent integration operation, a phase discriminator, a spoofing detection device, a loop filter, a pseudo code NCO, a C / A code generator and a carrier NCO are arranged. The method can ensure that the user receiver can timely convert the anti-spoofing structure or stop working in the spoofing environment, enhances the bearing capacity of the user carrier to the spoofing signal, improves the ability to resist the spoofing attack, and has important engineering significance and practical value.

An electrophoretic display apparatus includes a substrate, a color filter layer, an electrophoretic display film, a common electrode layer, multiple electrode patterns and multiple spacers. The color filter layer is disposed on the substrate and at least includes multiple first color filter patterns and second color filter patterns. The electrophoretic display film is disposed between the substrate and the color filter layer and includes a flexible substrate and multiple display media. The first and second color filter patterns are respectively corresponding to the display media. The electrode patterns at least include multiple first electrode patterns and second electrode patterns. The first electrode patterns receive a first voltage and are disposed respectively correspondingly to the first color filter patterns, while the second electrode patterns receive a second voltage and are disposed respectively correspondingly to the second color filter patterns. The spacers are disposed between the display media and the substrate.

The invention discloses a method for preparing mill balls for a ball mill and relates to a preparation method for near net shaping of molybdenum, tungsten and molybdenum-tungsten alloy balls. The method is characterized in that: the mill balls are prepared by a powder metallurgy method for near net shaping in a preparation process. The method comprises the following steps of: adding a binding agent and water into molybdenum and tungsten powder serving as raw materials, pressing the mixture with a charging die spotting machine; and degumming and sintering the product to obtain molybdenum and tungsten balls with certain sizes. Compared with a method for machining after forging, the method of the invention does not cause cut scrapes and has high production efficiency, flexible and adjustable diameter of the molybdenum and tungsten balls and obvious cost advantage. The production efficiency is efficiently enhanced; the utilization rate of the materials are improved; the cost is reduced; the ball shape is good; and the mill balls for the ball mills with different specifications can be conveniently and quickly produced.

The present invention relates to freeze-dried moringa oleifera five grain powder and a preparation method thereof. The freeze-dried moringa oleifera five grain powder is made from the following ingredients: ultrafine black bean powder, ultrafine soybean powder, ultrafine red bean powder, ultrafine peanut kernel powder, ultrafine walnut powder and ultrafine moringa oleifera powder. The freeze-dried moringa oleifera five grain powder is made fro the ingredients in parts: 60-80 parts of ultrafine black bean powder, 60-80 parts of ultrafine soybean powder, 60-80 parts of ultrafine red bean powder, 40-60 parts of ultrafine peanut kernel powder, 15-20 parts of ultrafine walnut powder and 10-15 parts of ultrafine moringa oleifera powder. The freeze-dried moringa oleifera five grain powder makes use of all the nutrients and efficacies of the moringa oleifera seeds, the products are good in tastes and comprehensive and rich in nutrition, and the contained ingredients have multiple functions of strengthening spleen and removing dampness, smoothing liver and relieving qi stagnation, supplementing nutrition, etc.

The invention discloses a preparation method of a super-hydrophobicity PTFE hollow fiber membrane assembly. The preparation method comprises the following steps: mixing dispersing polymerization PTFE resin with super high molecular weight with a lubricant, and ripening and performing to prepare PTFE primary hollow fibers; extruding and forming the prepared PTFE primary hollow fibers under high pressure, and preparing a PTFE hollow-fiber membrane by defatting, drawing at high temperature and expanding, sintering and shaping; and carrying out wire burning, banding and sodium naphthalene surface treatment on the prepared PTFE hollow-fiber membrane, and finally preparing the super-hydrophobicity PTFE hollow fiber membrane assembly. By the preparation method, important performance indexes such as aperture, stretching strength, cross-sectional area and thicknesses of walls of hollow fiber tubes of the membrane assembly can be improved effectively, two technological difficulties including 'micropore structure' and difficulty in forming' of PTFE hollow fibers are solved, performance of the PTFE hollow fiber membrane is improved, and therefore, the problem that industrialization of PTFE hollow fiber membrane assemblies is relatively low is solved.

The invention discloses an online external intrusion monitoring method based on a heterogeneous distributed optical fiber sensor, and belongs to the field of data-driven fault diagnosis. The method comprises the following steps: (1) designing an LGSSN; classifying signals of each sensor node i in real time by a local classifier to obtain a local classification result; (2) designing a local classifier based on a deep isolated forest algorithm constructed by a deep auto-encoder and an isolated forest, and describing local characteristics of each sensor node i; (3) introducing a weight half-sharing strategy to simplify an LGSSN structure, and designing a parallel computing framework; (4) designing a GIM based on Bayesian reasoning; and judging whether intrusion exists in the monitoring area and the intrusion position when intrusion exists in combination with the space sliding window. Based on the optical fiber vibration signals, the problem of intelligent intrusion monitoring of heterogeneous distributed sensors under the condition of extremely unbalanced high-dimensional samples is solved.

The invention belongs to the technical field of high polymer materials, particularly discloses a polylactic acid modified material containing plant fibers, and also discloses a preparation method of the polylactic acid modified material. The modified material is prepared from the following raw materials in parts by weight: 55-70 parts of biodegradable polyester, 30-60 parts of plant fibers, 0.5-10parts of a plasticizer, 0.5-2 parts of a coupling agent and 0.5-2 parts of a compatilizer, wherein the plant fibers are forestry and agricultural residues. The biodegradable polyester particle containing agricultural and forestry waste plant fibers for injection molding is provided by designing the composition of the raw materials and combining the improvement of the preparation process. The problem that the rejection rate of high-content agricultural and forestry waste plant fiber polyester particles in the injection molding production process is too high due to raw materials in the industrial injection molding production process is solved whilepolyester particle degradation requirement is met, and the price of a terminal product can be reduced.

The invention relates to rail vehicle brake disk. According to the invention, a one-piece rail vehicle brake disk is made of steel or cast iron, comprises at least one effective surface (2) with which a friction element comes in contact during a braking maneuver, and is designed in such a way that the effective surface (2) has a plurality of blind holes.

The present invention relates to a filter element for a liquid medium having a filter medium disposed in an annular manner with respect to a longitudinal axis of the filter element. The filter element further comprises: an end plate which is an upper end plate when the filter element is operated and a lower end plate. The filter medium is held between the upper end plate and the lower end plate, wherein the filter front side which is arranged at an upstream part of the fluid of the filter medium and a filter rear side of the filter element which is arranged at a downstream part of the fluid of the filter medium are defined via the filter medium. The filter element also has a ventilation device comprising: a first ventilation passage connected to the filter front side of the filter element at the inlet end; a vent pipe or a vent pipe portion. The filter element has a siphon, the first vent channel being fluidly connected to the inlet opening of the vent pipe or vent pipe portion by means of a siphon so as to prevent undesirable reflow of air from the vent tube.

A draw method for preparing the multi-element composite RE-W electrode material includes such steps as preheating the drawing dies to 500-550 deg.C, raising the furnace temp to 1175-1225 deg.C, making the heating power constant, sequentially drawing with the pre-heated phi 2.5, phi 2.0, phi 1.6 and phi 1.2 dies, regulating the heating powder of furnace to make the furnace temp be 875-925 deg.C, and drawing with phi 1.1 die.