713results about How to "Increase packing density" patented technology

A printed image is disclosed wherein the image may be in the form of an array of magnetically aligned platelets or flakes that may by uniform in shape and size and wherein the flakes are arranged in a particularly manner to form optically illusive images useful as security devices, or useful in beam steering applications. In one embodiment of this invention printed array is disclosed a plurality of concentric rings of magnetically aligned platelets disposed upon a substrate in the form of a Fresnel structure, preferably a Fresnel reflector. Advantageously, since the magnetic field can be controlled with respect to strength and direction, one can easily design a field that will correct for spherical aberration that would otherwise be present in a typical Fresnel reflector. In other embodiments of the invention optically illusive images of funnels, domes and cones are printed.

The invention provides a spinal fusion implant, comprising: a cylindrical body with an expandable front end; a cap-shaped extrusion part, which expands the front end of the main body by bearing tension; Can be used as a guide for the engagement of fasteners; fasteners, which engage in closures and push against extrusions. In the present invention, the main body can be inserted into the fusion part during operation, and the front end of the main body can be expanded with extrusions and fasteners, so that the spinal fusion graft can be fixed to fit the anterior and posterior spaces between adjacent vertebrae.

The invention relates to a reunion-shaped phosphoric lithium iron positive material with a nanometer structure and a preparation method thereof, and belongs to the field of batteries. The positive material comprises the following elements: a lithium source, an iron source, a phosphor source, a high-priced doped element and carbon. The molar ratio of the lithium source, the iron source, the phosphor source is 1:1 to 1.5:1 to 2; the molar fraction in the doping amount of the high-priced doped element is 0.1 to 5 percent of Li or Fe. The preparation method comprises the following steps: preparing an initial precursor: dissolving the iron source and the phosphor source in pure water; and filtering, washing and obtaining the initial precursor; preparing nanometer powder colloid suspending liquid: spraying and drying the nanometer powder colloid suspending liquid to be prepared into nanometer reunion-shaped powder; carrying out high-temperature heat treatment to the reunion-shaped powder; quenching, drying and sieving the reunion-shaped powder; and then obtaining the nanometer phosphoric acid lithium iron positive material with the nanometer structure. The material prepared not only has the electrochemical performance in nanometer diameter material, but also has the advantages of high tap density and excellent processing performance in micron diameter material.

The invention provides a microwave multi-chip packaging structure using a silicon through hole and a manufacture method thereof. The method uses a temperature safety valve (TSV) to achieve two-sided integrated system-stage packaging structure, when a monolithic microwave integrated circuit (MMIC) chip needs integrating, a user does not need embed a substrate before wiring, and performance, reliability and rate of finished products of the packaging structure are improved. Simultaneously, processes such as injection, corrosion, release and high temperature annealing in a manufacture process can be used before integration of the MMIC, and components needing special processes can be assembled and integrated in advance on the other side of the substrate. Therefore, the substrate comprising active and passive devices, micro-electromechanical systems (MEMS), photoelectric devices and the like can be conveniently manufactured in a large scale before integration of the MMIC, and the manufacture method is simple in process, reduces cost, and is advanced and reliable at present.

[Problem] Provided is a technique for bonding chips efficiently onto a wafer to establish an electrical connection and raise mechanical strength between the chips and the wafer or between the chips that are chips laminated onto each other in the state that resin and other undesired residues do not remain on a bond interface therebetween.[Solution] A method for bonding plural chips each having a chip-side-bond-surface having metal regions to a substrate having plural bond portions has the step (S1) of subjecting the metal regions of the chip-side-bond-surface to surface activating treatment and hydrophilizing treatment; the step (S2) of subjecting the bond portions of the substrate to surface activating treatment and hydrophilizing treatment; the step (S3) of fitting the chips subjected to the surface activating treatment and the hydrophilizing treatment onto the corresponding bond portions of the substrate subjected to the surface activating treatment and the hydrophilizing treatment to bring the metal regions of the chips into contact with the bond portions of the substrate; and the step (S4) of heating the resultant structure, which includes the substrate, and the chips fitted onto the substrate.

A non-aqueous electrolyte secondary battery is composed of a positive electrode containing a positive electrode active material capable of storing and releasing lithium ion, a negative electrode containing a negative electrode active material capable of storing and releasing lithium ion, and a non-aqueous electrolyte. The negative electrode active material contains a first material of a graphite material and a second material of a complex in which graphite material and silicon or silicon composite are coated with amorphous carbon material, and a cyclic carbonic acid ester derivative having fluoride atom and a sulfur-containing composite having cyclic structure are added to the non-aqueous electrolyte.

Provided is a device for assaying one or more analytes, said device comprising an electrode, a means for optical detection; and a means for electrochemical detection, wherein the device is configured such that the electrode is capable of promoting transport of an analyte when a field is applied to the analyte via the electrode, and wherein the means for electrochemical detection employs the electrode and the means for optical detection employs the electrode, and wherein the device is configured to carry out dielectrophoresis.Further provided is the use of the device of the present invention for promoting transport of an analyte, detecting the optical properties of the analyte and detecting the electrochemical properties of the analyte.Also provided is method for assaying one or more analytes, which method comprises the steps of: promoting transport of an analyte, performing an optical measurement of the analyte and performing an electrochemical measurement of the analyte, which method employs the device of the present invention.

The invention discloses a silica-based three-dimensional heterogeneously-integrated radio frequency microsystem and a manufacturing method thereof. The silica-based three-dimensional heterogeneously-integrated radio frequency microsystem comprises a first silica substrate layer, a second silica substrate layer, a third silica substrate layer, a fourth silica substrate layer, a radio frequency power amplification chip, a radio frequency low noise amplification chip, a radio frequency filter and a radio frequency switch, wherein the silica substrate layers are high-resistance silicon wafers; radio frequency chips and devices are made of different substrate materials through different processes; the radio frequency chips and devices are assembled inside cavities pre-etched in the first silicasubstrate layer and the third silica substrate layer; the first silica substrate layer, the second silica substrate layer, the third silica substrate layer and the fourth silica substrate layer are processed through low-temperature wafer-scale bonding into a whole and vertically connected through silicon through holes to form the silica-based three-dimensional heterogeneously-integrated radio frequency microsystem. The silica-based three-dimensional heterogeneously-integrated radio frequency microsystem achieves tree-dimensional integration of heterogeneous radio frequency chips and devices,thereby reducing the size, increasing the packaging density, reducing transmission loss of wire connection and enhancing the properties.

The optical connector ferrule has a second alignment board and a housing part having a first alignment board and a pair of side support parts. The first alignment board has a surface in which bare fiber parts of a optical fiber ribbon are positioned in a width direction and has holding grooves for arranging bare fiber parts. Side support parts support ends of the first alignment board and have an open part larger than a width of the ribbon in a upper and / or lower surface side of the first alignment board. The second alignment board has a positioning part for positioning in the width direction by engaging with a part of bare fiber parts on holding grooves and a fixing part for pressing and fixing bare fiber parts. The second alignment board is arranged to face the first alignment board and to sandwich bare fiber parts.

A dialyzer module utilizing a nano-porous ceramic membrane for enhanced hemodialysis performance, and a method for manufacturing the same, are provided. The dialyzer module may be utilized in an extracorporeal blood circuit together with pumps, monitors, and / or other components used for dialysis therapy. The one or more nano-porous ceramic tubes that serve as the hemodialysis membrane may comprise aluminum oxide (alumina) or titanium oxide (titania) tubes manufactured by the anodization of aluminum (Al) or titanium (Ti) tubes in an appropriate acid solution. The nano-porous ceramic tubes may be produced with a nano-porous wall structure having an average pore diameter of approximately five to ten nanometers (run). The nano-porous ceramic tubes exhibit a uniform pore size, uniform pore distribution, high porosity, and high hydraulic conductivity, enabling the removal of more middle and large molecular weight solutes to achieve a performance more comparable to that of an actual kidney while, at the same time, reducing the undesirable loss of important macromolecules such as albumin.

The invention discloses a method for treating the waste emulsion with high concentration and a plurality of varieties by an ultrafiltration membrane method and a device thereof, which belongs to the technical field of waste water and waste liquid treatment. The main technique of the invention is 'dissolved air flotation-ultrafiltration membrane-electrolysis floatation', which can effectively reduce the dosage of medicament and improve emulsion breaking effect by adopting an efficient dissolved air flotation system, moreover, the water for dissolved air flotation, which is taken from a subsequent intermediate water tank, can flexibly adjust and dilute the concentration of the waste water, thus improving the running stability and the shock resistant loading capability of the system. An ultrafiltration membrane with large flux, high separative efficiency and long service life is adopted in an ultrafiltration system to realize oil-water separation and to concentrate the emulsion for a plurality of times and then floating oil is recovered, the waste water generated in ultrafiltration washing is treated again after reflow, thus reducing waste liquid discharging. Electrolysis floatation can remove residual emulsified oil and dissolved oil in the waste water, thus further lowering the COD value of yielding water. When the quality of raw water is changed, an activated carbon adsorption unit can guarantee the quality of the yielding water to be standard. The method and the device of the invention can process waste emulsion with high concentration and a plurality of varieties and have simple and reasonable technique, good quality of yielding water, compact layout of the device, thus facilitating automatic control and realizing recovery of emulsion and recycle economy as well as changing waste to be profitable simultaneously.

A unit-type external-pressure hollow fibre membrane module used for biological membrane reactor is composed of frame, tree-type membranes, filtered liquid outlet pipe, and air distributing pipe. A single tree-type membrane consists of top and bottom ends, and external-pressure hollow fibre membrane between both ends. Multiple membrane are parallelly connected via water collecting tube to form a tree-type membrane frame. Multiple air distributing pipes are parallelly connected to form an air distributing pipe frame. Both frames are alternatively arranged. Its advantages are high water output, high strength and high resistance to pollution.

The invention relates to a sheet molding compound with high flame resistance, low smoke and non-toxic and a preparation method thereof. The formula of the sheet molding compound comprises the following substance in mass portion: 50-80 portions of unsaturated polyester resin, 15-60 portions of low shrink additive, 1-3 portions of evocating agent, 0.01-0.05 portions of polymerization inhibitor, 0.7-7 portions of wetting and dispersing agent, 3-8 potions of inner mold release agent, 1-2 potions of thickening agent, 20-50 potions of viscosity reduction filler, 100-200 portions of flame retardant A, 50-100 portions of flame retardant B and 50-250 portions of reinforced material; the flame retardant A is micron aluminum hydroxide and the grain diameter is 0.4-3.5 microns; the flame retardant B is nanometer aluminum hydroxide and the grain diameter is 30-80 nanometers. The sheet molding compound of the invention has the advantages of high flame resistance, low smoke and non-toxic, well mechanical performance and surface decorative effect.

The invention discloses a heavy metal ion adsorption type polyvinylidene fluoride (PVDF) hollow fiber membrane. The invention belongs to the technical field of membranes and in particular relates to a preparation technology for an organic-inorganic hybrid hollow fiber membrane. The heavy metal ion adsorption type PVDF hollow fiber membrane comprises modified attapulgite, wherein the mass ratio of the PVDF to the modified attapulgite is (1:0.01)-(1:0.1). The heavy metal ion adsorption type PVDF hollow fiber membrane has the advantages that high pressure resistance is achieved, a supporting body is not required, a membrane component has any sizes and shapes and large filling density, and unit volume membrane area and flux are large. In addition, the hybrid membrane is high in spinning performance, the spinning membrane-forming process is simple in process, and cost is low.

Magnetic powder contained in a resin composition for use in injection molding is coated with an insulating material, and a soft magnetic green compact or a hard magnetic green compact is insert molded into the resin composition.

This invention relates to soft magnetic compound materials, which are characterized by the following: the said materials comprise iron material, isolation agent and lubrication agent with their weight percentage as 92-99 úÑ, 0.5-5 úÑ , 0.5-3 úÑ; the said iron material is powder material, which comprise deoxidized powder, atomized iron powder, hydroxide powder and iron alloy with iron of 80-99.8úÑ; Particle distribution of 20-500; the said isolation agent adopts nanometer calcium carbonate powder or ceramics powder or magnetic oxidation power; the said lubrication is micro powder. The process comprises the following steps: mixing, shaping, solidifying and stainless processing.

The invention belongs to the field of lithium ion batteries and relates to a method for preparing a high-rate artificial graphite anode material, comprising the following steps: (1) preferential selection of pulverized and shaped tailings; (2) mixing; (3) static coating and granulation; (4) breaking and spheroidization; (5) secondary mixing; (6) high-temperature graphitization; and (7) mixing andsieving. The anode material prepared by the method has excellent high rate charge / discharge performance, and has good cycle performance and low-temperature temperature. The method also fully processesand recycles the by-products produced in the processing of coke raw materials / asphalt raw materials in a high value-added manner, has broad market prospects, reduces the disposal cost of solid waste,and brings practical economic benefits.

The invention discloses a U-shaped seamless nickel-chromium iron alloy heat transfer tube for a nuclear steam generator. The U-shaped seamless nickel-chromium iron alloy heat transfer tube comprises the chemical ingredients of no less than 58% of Ni, 28-31% of Cr, 8-11% of Fe, 0.01-0.03% of C, no more than 0.5% of Si, no more than 0.5% of Mn, no more than 0.01% of S, no more than 0.015% of P, no more than 0.05% of Cu, no more than 0.016% of Co, no more than 0.5% of Ti, no more than 0.5% of Al, no more than 0.1% of Nb, no more than 0.003% of B, and no more than 0.005% of N. The surface quality and the dimensional accuracy of a straight pipe are ensured by hot-extruded nickel-chromium-iron alloy tube blank via a plurality of cold-rolling deformation, online degreasing, pure-hydrogen protecting continuous bright heat treatment and vacuum heat treatment; and meanwhile, the U-shaped seamless tube for a steam generator, which is overlong, thin in wall, and is in semicircle transition at the elbow part, is manufactured by bending and forming by the principle of forming a circle by three points.

The present invention provides an anhydrous stemming for blast furnace. Its composition includes (wt%) coarse brown corundun 1-4%, fine brown corundum 2-5%, coarse mullite 7-15%, fine mullite 9-20%, coke powder 15-20%, clay 10-19%, silicon carbide 7-11%, sericite 5-8%, bitumen 2-4% and anthracene oil 15-25%. It has good working property, stable high temperature resistance, excellent caking property, quick agglutinating property, low ton-iron stemming consumption, low contraction rate and high strength, it can raise tap up-to-standard rate to 100% from original 61.5%, can raise production safety of blast furnace, and can raise smelting strength.

The invention discloses a multi-effect membrane distillation-multistage flash evaporation seawater desalination system. The multi-effect membrane distillation-multistage flash evaporation seawater desalination system comprises a steam jetting pump (9), a concentrated water discharge pump (1), a material liquid circulating pump (2), a vacuum pump (3), a product water pump (4), N membrane assemblies, N freshwater flash evaporation tanks, N+1 heat exchange assemblies and N-1 concentrated water flash evaporation tanks, wherein the plurality of membrane assemblies and heat exchange assemblies are connected in series to form 'multi-effect' distillation in the term of the traditional distillation; the plurality of freshwater flash evaporation tanks and the plurality of concentrated water flash evaporation tanks are connected in series to form 'multistage' flash evaporation in the term of traditional distillation; the multi-effect membrane distillation process and the multistage flash evaporation process are coupled, secondary steam generated by membrane distillation is used for heating material liquid seawater, high-temperature concentrated seawater and product water which are discharged by membrane distillation are subjected to flash evaporation stage by stage, and the flash-off steam is used for heating material liquid seawater, so gradient utilization of energy and double concentration of the material liquid are realized, vaporized latent heat is effectively recovered, and heat efficiency, water making ratio and concentration ratio of a system are increased.

The invention relates to a preparation method of an alumina hollow fibre membrane containing an inorganic additive, which comprises the following four steps of: preparing an organic solution; preparing an organic solution-inorganic granule system; preparing an alumina hollow fibre blank body containing the inorganic additive; and preparing the alumina hollow fibre membrane containing the inorganic additive, wherein a film casting solution contains the inorganic additive; and the inorganic additive is a mixture containing one or more than two of aluminium metal powder, silica, titanium dioxide, zirconium dioxide, kaolin, montmorillonoid, kieselguhr, talc and silicate. The preparation method disclosed by the invention has the advantages that: the technology is mature, the process is simpler, equipment and technology cost is saved, the alumina content and the sintering temperature are reduced, the cost of the alumina hollow fibre membrane is reduced, and the characteristics of high packing density, high strength, uniformity of pore size distribution, and the like are achieved; and viewed from two aspects of material cost and energy consumption, the cost of the alumina hollow fibre membrane is greatly reduced.

A high density storage device packaging apparatus in which storage devices are oriented to have lateral faces parallel to each other and to edges of a module in which the storage devices are mounted. The storage devices are connected to a board contained in the module by a plug-in action. The board contains a controller to control the operation of the storage devices including the READ and WRITE operations. The RSM is capable of holding a large number of storage devices and capable of being inserted into a cabinet by a plug-in connection. The RSM includes a housing that covers and protects the storage devices and includes air channels to allow the storage devices to cool. The invention provides a solution for high density packaging of the storage devices and allows for easy access to the storage devices and allows for replacement of failed storage devices without disruption of the remainder of storage devices in the RSM or in the cabinet.

A positive electrode active material of the present invention includes lithium cobalt oxide particles; and a surface treatment layer positioned on a surface of the lithium cobalt oxide particle, and the lithium cobalt oxide particle includes lithium deficient lithium cobalt oxide having a Li / Co molar ratio of less than 1, included in an Fd-3m space group, and having a cubic-type crystal structure, in a surface side of the particle. The surface treatment layer includes at least one element selected from the group consisting of transition metals and elements in group 13.

A multilayer wiring board assembly, a multilayer wiring board assembly component, and a method of manufacture thereof. The multilayer wiring board assembly is formed by laminating together a plurality of multilayer wiring board assembly components having a flexible resin film with a copper foil bonded to one surface and an adhesive layer bonded to the other surface, opening a through hole in the copper plated resin film through the cooper foil, resin film, and the adhesive layer, and filling the through hole with a conductive paste projecting from the adhesive layer and laterally extending beyond through hole opening of the copper foil.

The invention discloses a high-flux high-dirt-holding-capacity filtering element, which comprises a filtering medium layer (3), a central tube (2), a shell (1) and upper and lower end covers (10, 11), wherein the filtering medium layer (3) is folded into an arc-shaped fold and then encloses the central tube (2), and the whole is cylindrical; the shell (1) is sleeved outside a cylindrical filtering medium; the filtering medium layer comprises a filtering layer (3b) and plastic net layers (8) which are positioned on two sides of the filtering layer; the filtering layer consists of at least two layers of filtering materials (3d); and the upper and lower ends of the central tube (2) and the shell (1) are fixedly connected with the upper and lower end covers. A high-flux folding filtering element is wide in runner, relatively low in fluid resistance, and more uniform in flow distribution of water inlet and outlet ends of the filtering element. Compared with the conventional W-shaped linear fold designing filtration membrane, the high-flux folding filtering element is improved by over 30 percent in terms of filling density, large in filtering area, high in total dirt-holding capacity and long in service life of the filtering element.