270results about How to "Increase distribution density" patented technology

A package substrate, including a base layer, a surface circuit layer, a plurality of conductive bumps, and a patterned solder mask layer, is provided. The surface circuit layer having a plurality of bonding pads is disposed on a surface of the base layer. The conductive bumps are disposed on the bonding pads individually. The patterned solder mask layer is disposed on the surface of the base layer and outside a corresponding region occupied by the conductive bumps, so as to expose the conductive bumps. In addition, a method of fabricating the package substrate and a chip package structure employing the package substrate are also provided.

A method and apparatus are provided for adaptively allocating pilots in a pilot-aided channel estimation system. A multipath delay is measured between a base station (BS) and a mobile station (MS). A distribution density of pilots of a signal to be transmitted between the BS and the MS is controlled. When the multipath delay is large, the pilot distribution density is relatively raised. However, when the multipath delay is small, the pilot distribution density is relatively lowered. The pilot distribution density is adaptively controlled according to the multipath delay, such that resources are effectively utilized and throughput is improved.

The invention discloses a planting method of organic paddy rice. The planting method of the organic paddy rice comprises comprehensive management to the paddy rice including substrate treatment, soil treatment, disease control, pest control and weed control, and has the advantages that EM (effective microorganism) compost is used, so that quantities of bacteria, fungus and actinomyces, microbial activity and organic content of soil are improved; the disease resistance of rice seeds and seedlings is improved by soaking seeds and seedlings by EM solution and spraying bacterium solution and lime sulphur, and the generation and diffusion of rice blast can be effectively controlled by planting different varieties of paddy rice at intervals in a paddy field; pest eggs and larvae in the paddy field can be killed by culturing loaches, river crabs or ducks or by light trap and the like; the growth of weeds can be inhibited by green manure; rice chaff can consume oxygen in water so as to hinder the root development and seed germination of the weeds and hinder photosynthesis of the weeds. Compared with current disease prevention method which kills pests by pesticides, the planting method of the organic paddy rice completely eradicates harm of pesticide residue on soil foods, and can ensure yield at the same time, thus being an effective method for producing the organic paddy rice.

The invention discloses a base station based air pressure relative measurement method for calculating a precise elevation. The method uses a known elevation value and an air pressure measurement value of a wireless communication network base station and an air pressure measurement value of a point to be measured to calculate the elevation of the point to be measured. In particular, the base station of ground mobile communication network is installed with an air pressure measuring sensor as a relative measurement station. A base station transmission link is used to transfer the measured data to a user; the user terminal is provided with an air pressure sensor chip to measure air pressure value of the terminal, so as to facilitate calculation of a relative elevation of the terminal to an installation location of the base station air pressure sensor by utilizing the corresponding relationship between elevation and air pressure value. Similarly, if temperature values of the base station and the terminal are known, the two temperature measurement values can be used to correct the relationship between elevation and air pressure value to further improve conversion accuracy of elevation calculation. The elevation calculation value of the method of the invention can be substituted into various positioning measurement equations to further improve accuracy of three-dimensional positioning solution of the measurement equations.

The invention discloses a pressure-releasing structure of a basement anti-floating plate and a construction method thereof. The pressure-releasing structure comprises a cushion layer and a basement bottom plate on the cushion layer, wherein water-collecting pits are formed in the cushion layer and the basement bottom plate; a layer of hardpan is paved below the cushion layer; filtering layers are paved around the water-collecting pits; flow-guide pipes are paved in the hardpan and are gathered in the filtering layers; flow-leading pipes are arranged on the side walls of the water-collecting pits; and the water-collecting pits are communicated with the filtering layers through the flow-guide pipes. Water generating floatation outside a basement is led into the basement, so that the floatation is reduced. The hardpan is paved below the cushion layer, so that the problem that water outside foundation pits of the basement is gathered is solved, the underground water is collected through a flow-guide pipe arranged in the hardpan, the flow-leading pipes change the underground water into gravity water in the basement, and the problem of the floatation of the underground water is completely solved from the construction starting stage of a building.

The invention relates to a coal-mine gas monitoring system comprising a wireless sensor network, which belongs to coal-mine safety monitoring techniques. The system comprises a ground monitoring center and a wireless sensor network. The ground monitoring center comprises a monitoring centre client, a monitoring centre server and a common client; wherein the monitoring centre server is connected with both the monitoring centre client and the common client. The wireless sensor network comprises sensor network nodes, a network cluster head, and a wireless transceiver. The sensor network node comprises a processor module, a wireless communication module, a data acquisition module, an energy supply module, and an intelligent switch; wherein the wireless communication module, the data acquisition module and the intelligent switch are both connected with the processor module. The intelligent switch is connected in the circuit of the data acquisition module to control the power on / off thereof. The network cluster head receives the data sent from the sensor network nodes and communicates with the wireless transceiver. The system can real-time effective transmit data to monitor coal-mine gas, so as to reduce accidents and ensure coal-mine safety.

The invention discloses a multi-car individual drive 360-degree circular rail superhigh-rise elevator device. The device consists of a rail, a car (4), a driving device (5), a braking device, a rail changing device, a balancing device and a control device, wherein the rail comprises a revolution rail and a rotation rail; the revolution rail comprises an inner rail (2) and an outer rail (1); the rotation rail (3) is clamped between the inner rail (2) and the outer rail (1) of the revolution rail, and is connected with the inner rail (2) and the outer rail (1) through the driving device (5) mounted on a frame of the rotation rail (3); a roller (6) on the wall of the car (4) is clamped in the rotation rail (3); the braking device is positioned on the frame of the rotation rail (3) and on the inner rail (2) and the outer rail (1); the balancing device is positioned at the bottom of the car (4); and the control device is connected with the driving device and the balancing device of each car through signal wires. The multi-car individual drive 360-degree circular rail superhigh-rise elevator device has the advantages of high transportation efficiency, safety, reliability and convenience for maintenance.

The invention belongs to the technical field of environmental engineering materials and particularly relates to a structured iron-carbon micro-electrolysis filling material and a preparation method thereof. The preparation method comprises the steps of treating fine iron powder and bituminous coal powder as raw materials, treating paper mill sludge which is dried and pulverized as a pore-forming agent, treating copper powder as a catalyst, adding a binding agent, mixing the ingredients uniformly, conducting compression formation, drying the ingredients, obtaining a dry-bulb filling material, generating anode metal iron by conducting direct reduction on the fine iron powder in the dry-bulb filling material through high temperature roasting, and obtaining the iron-carbon micro-electrolysis filling material. The granularity of the anode metal iron of the iron-carbon micro-electrolysis filling material is less than 10 micrometers. The structured iron-carbon micro-electrolysis filling material has the advantages that iron and carbon are integrated, the filling material is of a micropore framework type alloy structure, the porosity is high, the activity is high, the current density is large, when the filling material is applied to industrial waste water treatment, COD and chromaticity of waste water can be effectively lowered, biodegradability of the waste water can be effectively improved, various heavy metal ions can be removed, and the filling material is stable in operation and application effect.

The invention discloses an intelligent grid prediction correcting method and system. The intelligent grid prediction correcting method includes the steps that meteorological data is imported; a map layer is loaded and displayed in a display area; a display time point is selected, and the meteorological data corresponding to the display time point is distributed into a grid shape to form a data grid layer; the data grid layer overlays the display area and is aligned with the map layer; according to the loaded meteorological data, isolines are generated and combined into an isoline layer; the isoline layer overlays the display area and is aligned with the map layer; a space correction point in the display area is clicked to form a correcting instruction, and according to the correcting instruction, the space correction point and the corresponding meteorological data in a peripheral extensive correction range are increased or decreased on the basis of a preset weight corresponding to space distribution; the corrected meteorological data is exported. The method and system have the advantages that correction of the meteorological data is more convenient and faster, correction of meteorology is more precise, and operation is smooth.

The invention discloses a dielectric flexible sensor for big deformation and touch pressure measurement. The sensor has incomparable advantages on big deformation displacement measurement and distributed pressure measurement. The sensor consists of an upper conductive flexible electrode material, a lower conductive flexible electrode material, and a central insulating silicone rubber elastomer material, and forms a capacitive loop. After a single-layer structure is stretched, at least 300% deformation can be generated. The big deformation displacement is measured through capacitance changes, and the sensor is very good in prospect for exercise rehabilitation and posture measurement. The single-layer structures form a multilayer structure through stacking, thereby forming a parallel capacitive loop. The contact pressure is measured through the capacitance changes. The flexible materials can interact with a person well, so as to measure the pressure of contact between a human body and an external object. The sensor also can be designed in a distributed structure serving as a flexible touch sensing source. During the measurement of the pressure, the sensor determines the contact position, and is better in prospect for wearable equipment.

The invention discloses an online measurement system and a method for plane shape errors. The system comprises a sensor array, a data collection and analog-to-digital conversion module and a data processing and displaying module, wherein a modified least square successive two-point method plane shape error separation algorithm is used in processing software of the data processing and displaying module, and a data combining and fitting technique is introduced. The method is based on the modified least square successive two-point method plane shape error separation algorithm. The whole sampling data of a plane to be measured are subjected to partitioned processing, dimensionality reduction processing of the data array is achieved through an online partitioning algorithm, then the data processing speed is improved, the capacity of sampling points is increased, and the method mainly comprises processes such as data error separation and fitting. The data combining and fitting technique is used, so that the distribution density of sampling points is improved effectively, and the capability that a measurement system reflects the plane shape error of the plane to be measured is improved.

The invention discloses an automatic subpackage machine and method for incense sticks, and belongs to the technical field of incense making. The automatic subpackage machine structurally comprises an arranging and stabilization assembly, a broken incense screening assembly, a counting and quantification assembly, a subpackage and conveying assembly and a control management circuit in sequence. The broken incense screening assembly comprises two parallel conveying belts operating synchronously. A stabilization feeding roller wheel is arranged between the feeding ends of the conveying belts. The receiving position below the feeding roller wheel is in butt joint with a discharging outlet of a vibration feeding hopper, and a discharging point is arranged above the conveying belts to form the linkage of the arranging and stabilization assembly and the broken incense screening assembly. The quantified output automatic subpackage machine is formed by means of the post-processing counting and quantification assembly and the subpackage and conveying assembly. Standard arrangement, broken incense screening, quantified output counting and subpackage of the incense sticks are achieved, and automatic linkage and continuous operation are also achieved. The structure is simple, the efficiency is high, and the repeated operation quality is stable.

A light source set including a light cover has an opening, a first side and a second side, a first circuit board disposed on the first side, a plurality of first point light sources disposed on the first circuit board, a second circuit board disposed on the second side and a plurality of second point light sources disposed on the second circuit board is provided. The first side and the second side are located at two opposite sides of the opening. Each first point light source has a first light-emitting surface facing to the opening and a first top surface departing from the first circuit board. Each second point light source has a second light-emitting surface facing to the opening. A distance between the first top surface and the second circuit board is smaller than a height of the second point light sources.

An arc liquid crystal display board comprises a first substrate, a second substrate, a frame gum, a plurality of gaps and a liquid crystal layer. The frame gum is arranged between the first substrate and the second substrate; wherein the first substrate, the second substrate and the frame gum are bent into at least an arc structure. The gap is disposed on the first substrate and between the first substrate and the second substrate. The distance between the gap closed to the top of the arc structure and the second substrate is shorter than the distance between the gap far away from the top of the arc structure and the second substrate. The liquid crystal layer is positioned between the first substrate and the second substrate, wherein the gap and the liquid crystal layer are wound by the frame gum. The invention provides another arc liquid crystal display board, wherein the distribution density of the gap closed to the top of the arc structure is higher than the distribution density of the gap far away from the top of the arc structure. The invention maintains the size of the liquid crystal space by regulating the distance or the distribution density of the gap and the opposite substrate.

A liquid crystal display device capable of optimizing the configuration and distribution density of columnar spacers for reducing low-temperature bubbles, lower bulging and the unevenness of pressure-induction is provided. The liquid crystal display device comprises a plurality of columnar partition structures arranged between a pair of substrates, each columnar partition structure includes at least one resin layer, the spring modulus Kpt in a unit area of a display area is not less than 0.00008 N / mum<3> and not more than 0.00237 mN / mum<3>, the spring modulus Kpt is defined as kxn / S, wherein, k is a spring modulus of each columnar partition structure and the unit is mN / mum; S is the area of the display area; n is the number of columnar partition structures in the display area.

The invention relates to a monitoring method for natural reproduction of fish based on environmental DNA technology. The method comprises the following steps: acquisition of a water sample; DNA extraction; ddPCR amplification of a target fragment; and concentration analysis. The monitoring method provided by the invention is based on environmental DNA identification technology, does not depend on traditional fishing technology for roe and fries and traditional anatomical technology for oophagous fish and can determine the oviposition behavior of a target species and the position of an oviposition site only through reasonable design of a sampling point, acquisition of a water sample and concentration analysis of the target species. The method maximally protects fish resources and avoids inconvenience caused by restrictive factors like long time for traditional fishing and difficulty in fishing of a part of fish fingerlings.

The invention discloses a backlight module. The backlight module comprises a light source and a light guide plate, the light guide plate comprises a first side face, a second side face, a first end face and a second end face, the first side face and the second side face are opposite to each other, and the first end face and the second end face are connected between the first side face and the second side face; the light guide plate is provided with a first through hole communicated with the first end face and the second end face, the first through hole comprises an inner wall face, the secondend face comprises a first light guide area and a second light guide area which are connected with each other, and the first light guide area is located between the inner wall face and the second sideface; the second end face is provided light guide points, the distribution density of the light guide points located in the first light guide area is larger than that of the light guide points located in the second light guide area, and the light source exactly faces the first side face. The invention further discloses a display screen assembly and electronic equipment. The backlight module can provide the backlight source with uniform brightness, and the display effect of the display screen assembly and the electronic equipment is good.

A sidewalk tile with snow-removal function is stably obtained that is capable of being heated to a desired temperature, while at the same time sufficiently maintaining strength. A heat-generating concrete body is obtained by mixing particle-form (granular) or powder-form carbon material with un-hardened concrete at a specified ratio, and then pressing it with a high-pressure press at a pressure of approximately 980 kN to remove moisture and to form it into a tile shape. A pair of electrodes are embedded in end sections on both ends in the width direction of the heat-generating concrete body. The outer surfaces of the heat-generating concrete body are covered with an insulation-coating layer. One side and the circumference of the heat-generating concrete body are covered with un-hardened concrete and formed into a single tile shape by pressing with a high-pressure press to obtain a sidewalk tile with the snow-removal function.

The invention discloses a charging pile control system based on a street lamp Internet of Things. The charging pile control system comprises charging piles, an Internet of Things node controller, an integrated controller, a monitoring server, an upper terminal. The charging piles are installed on light poles and connected with an interface of the Internet of Things node controller, and the integrated controller is in wireless communication with the Internet of Things node controller and the monitoring server. The Internet of Things node controller collects relevant data of the charging piles and transmits the relevant data to the integrated controller; the integrated controller transits to the monitoring server the relevant data of the charging piles transmitted by the Internet of Things node controller; the monitoring server performs analysis processing on the collected relevant data of the charging piles and transmits processing results to the upper terminal; and the upper terminal is used for enabling users to search in-place conditions of the surrounding charging piles, perform navigation to the positions of the charging piles and perform on-line payment for a charging service. The administration and construction cost and communication costs are greatly reduced.

The invention relates to a layout method for reducing aberration sensitivity, which is characterized in that at least one layout auxiliary graph is added around a layout graph, the layout auxiliary graphs are not intersected mutually, the layout auxiliary graphs and the layout graph are not intersected mutually, the distance between the neighboring layout auxiliary graphs is longer than or equal to one time of the critical dimension of the layout graph, and shorter than or equal to three times of the critical dimension of the layout graph. The invention also discloses a manufacturing method of a photomask for reducing the aberration sensitivity, and an imaging method. By applying the methods provided by the invention, the aberration sensitivity of a photoetching system can be reduced, which causes the graphs formed on the photoetching cellophane of a semiconductor substrate to obtain better critical dimension uniformity.

A liquid crystal display panel is disclosed, including: a first substrate; a second substrate opposite to the first substrate; a plurality of first, second and third spacers disposed between the first substrate and the second substrate, the distribution density of the first spacers being larger than that of the second spacers and the distribution density of the third spacers being larger than that of the first spacers. The liquid crystal display panel can effectively reduce image display defects caused by the gravity mura, the press mura and the push mura.

The invention discloses a method for manufacturing a low-cost three-dimensional-structure graphene-aluminum supercapacitor composite electrode material, and relates to a method for manufacturing a composite electrode material. The method solves the problems that due to the facts that most of graphene materials adopted by an existing graphene-based supercapacitor are graphene obtained through an oxidation method, the structural defects are many, many surface oxygen-containing functional groups exist, and the performance of the graphene-based supercapacitor is greatly worsened, in the use process of the supercapacitor, wettability between the supercapacitor and an electrolyte is poor, the effective reaction area is reduced, and the high specific surface area and the excellent electrical properties of the graphene materials are difficultly brought into play. The method comprises the steps that base materials are placed in a plasma enhanced chemical gas phase deposition vacuum device, argon enters the device, the temperature and the pressure are adjusted, the methane gas enters the device for deposition, and after deposition is finished, the three-dimensional-structure graphene-aluminum supercapacitor composite electrode material is obtained. The method is used for manufacturing the graphene-aluminum supercapacitor composite electrode material.

The invention provides a method for early warning power grid transmission line mountain fire intelligently in a graded mode. The method comprises the following steps of 1, making early-warning standards for power grid transmission line mountain fire, 2, judging early-warning grades of historical power transmission line mountain fire, 3, deciding all grades of early-warning weather thresholds, 4, deciding a weather early-warning grade of a forecasting day, 5, judging the mountain fire early-warning grade of the day before the forecasting day, 6, deciding the power transmission line mountain fire early-warning grade of a delegated zone in the forecasting day, and 7, outputting early-warning results. The method can finally decide the power transmission line mountain fire early-warning grades by judging early-warning grades of all weather elements and current situations of satellite monitoring fire points. The method can meet actual situations well, is easy to achieve, is high in forecasting accuracy, can optimize resource distribution, improves prevention and cure efficiency, reduces casualty loss and maintains safety of power grids.

The invention relates to a flexible display panel which comprises a flexible substrate, a display module, a drive unit and at least one anisotropic conductive film, wherein the display module is arranged on the flexible substrate and comprises a display area and a peripheral line area near the display area; the anisotropic conductive films are connected between the peripheral line area and the drive unit; the drive unit is electrically connected to the peripheral line area through the anisotropic conductive films; each anisotropic conductive film comprises an insulating film and a plurality of conducting particles arranged in the insulating film; the grain size of the conducting particles is between 4.5 micrometers and 7 micrometers; and the distribution density of the conducting particles is between 45,000 per square millimeter and 65,000 per square millimeter. The flexible display panel has higher reliability degree.

The invention provides a method for producing layered material wrinkles. The method comprises the following steps of (1) using a film as a substrate, and conducting mechanical cleavage on a layered material to obtain a substrate-layered material; (2) placing the substrate-layered material obtained in the step (1) in liquid nitrogen for quenching, taking out the quenched substrate-layered material,and placing the quenched substrate-layered material in an environment of room temperature; and (3) optionally, repeating the step (2). By means of the method, large-area wrinkle structures can be obtained simply and efficiently, the scientific research cost is reduced, and the scientific research efficiency is improved.

The invention discloses a backlight module and a liquid crystal display. The backlight module comprises a back plate, a light source arranged on the back plate, and a fluorescent film arranged above the light source, and fluorescent particles are distributed in the fluorescent film and are used for scattering light emitted by an LED, wherein the distribution density of the fluorescent particles gradually decreases from the center to the periphery of an area in the area of each LED corresponding to the fluorescent film. Based on the backlight module, the uniformity of brightness of emergent light of the backlight module is improved, and the large viewing angle display quality of an LCD is improved.

Provided are: a non-oriented electrical steel sheet having outstanding magnetic properties and comprising, as percentages by weight, from 1.0 to 3.0% of Al, from 0.5 to 2.5% of Si, from 0.5 to 2.0% of Mn, from 0.001 to 0.004% of N, from 0.0005 to 0.004% of S and a balance of Fe and other unavoidably incorporated impurities, wherein the Al, Mn, N and S are included so as to satisfy the compositional formulae {[Al]+[Mn]}≦3.5, 0.002≦{[N]+[S]}≦0.006, 300≦{([Al]+[Mn]) / ([N]+[S])}≦1,400; and a production method therefor. By optimising the Al, Si, Mn, N and S added components in this way, the distribution density of coarse inclusions is increased, thereby making it possible to improve crystal-grain growth properties and domain wall mobility and so produce the highest grade of non-oriented electrical steel sheet having superior magnetic properties, low hardness, and superior customer workability and productivity.

The invention relates to a preparation method of a graphene super capacitor electrode material, in particular to a preparation method of a 3D bowl-shaped graphene super capacitor electrode material of a mixed nanometer structure. The method aims to solve the problems that in an existing graphene preparation method, over-high temperature may cause qualitative changes of a graphene structure and formation of graphene wrinkles, charge transmission is hindered, the charge annihilation probability is increased, the effective area for charge transmission and storage is greatly reduced accordingly, and due to the fact that the area of a two-dimensional plane substrate is definite, the amount of graphene which can be deposited is limited and the effective specific area of electrode materials cannot be increased continuously. The method comprises the steps that a substrate material is placed into a plasma enhanced chemical vapor deposition vacuum device, argon is led into the device, the intensity of pressure is adjusted, temperature rising is conducted, annealing processing is conducted on the substrate material, carbon source gas is led into the device for deposition, and finally, cooling is conducted until room temperature is reached. The preparation method is used for preparing the 3D bowl-shaped graphene super capacitor electrode material of the mixed nanometer structure.