Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

35results about How to "Increase in resistance" patented technology

Group lll nitride semiconductor light-emitting device

InactiveUS20110240957A1Improve performanceIncrease in drive voltageSemiconductor devicesVoltageSuperlattice
The present invention provides a Group III nitride semiconductor light-emitting device exhibiting improved emission performance without increasing driving voltage. The Group III nitride semiconductor light-emitting device includes at least an n-type-layer-side cladding layer, a light-emitting layer, and a p-type-layer-side cladding layer, each of the layers being formed of a Group III nitride semiconductor. The n-type-layer-side cladding layer is a superlattice layer having a periodic structure including an InyGa1-yN (0<y<1) layer, an AlxGa1-xN (0<x<1) layer, and a GaN layer. The AlxGa1-xN (0<x<1) layer has such a thickness that electrons tunnel through the AlxGa1-xN layer and holes are confined in the light-emitting layer.
Owner:TOYODA GOSEI CO LTD

Separator, method for producing the same and electrochemical device including the same

A separator includes a porous substrate, a porous organic-inorganic coating layer formed on at least one surface of the porous substrate, and an organic coating layer formed on the surface of the organic-inorganic coating layer. The porous organic-inorganic coating layer includes a mixture of inorganic particles and a first binder polymer. The first binder polymer contains a copolymer including (a) a first monomer unit including either at least one amine group or at least one amide group or both in the side chain thereof and (b) a (meth)acrylate having a C1-C14 alkyl group as a second monomer unit. The organic coating layer is formed by dispersing a second binder polymer on the surface of the organic-inorganic coating layer, leaving scattered uncoated areas.
Owner:TORAY BATTERY SEPARATOR FILM +1

Electric double layer capacitor

A porous electrolytic solution reservoir which is capable of being impregnated with an electrolytic solution is provided in an exterior case so as to make contact with a separator. The average diameter of the pores in the electrolytic solution reservoir is greater than the average diameter of pores in the separator. The electrolytic solution reservoir is impregnated with a predetermined amount of electrolytic solution, so that the occupation ratio of electrolytic solution within the pores in the separator becomes 50% or more when fully charged, and the occupation ratio of electrolytic solution within the pores in the electrolytic solution reservoir becomes 100% or less when fully discharged.
Owner:MITSUBISHI ELECTRIC CORP

Multilayer electrode and lithium secondary battery including the same

Disclosed herein are a multilayer electrode and a lithium secondary battery including the same. The multilayer electrode includes an electrode current collector for transmitting electrons between an external wire and an electrode active material and three or more electrode mixture layers sequentially applied to the electrode current collector, wherein each of the electrode mixture layers includes an electrode active material and a conducting agent, and wherein the content of the conducting agent of one of adjacent electrode mixture layers that is relatively close to the current collector in the direction in which the electrode mixture layers are formed is higher than that of the conducting agent of the other of the adjacent electrode mixture layers that is relatively distant from the current collector.
Owner:LG CHEM LTD

Non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery includes: a positive electrode comprising a positive electrode active material capable of intercalating and deintercalating lithium ions; a negative electrode; and a non-aqueous electrolyte. The positive electrode active material contains LibFePO4, where 0≦b<1, and a layered lithium-containing metal oxide represented by the general formula LixCoyMzO2, where M is at least one element selected from the group consisting of Na, K, B, F, Mg, Al, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Nb, Mo, Zr, Sn, and W, and where x, y, and z satisfy the conditions 1≦x<1.3, 0<y≦1, and 0≦z<1.
Owner:SANYO ELECTRIC CO LTD

Transferring semiconductor crystal from a substrate to a resin

A semiconductor crystal layer formed by epitaxial growth on a seed crystal substrate is embedded in an insulating material in the condition where the seed crystal substrate is removed, electrodes are provided respectively on a first surface of the semiconductor crystal layer and a second surface of the semiconductor layer opposite to the first surface, and lead-out electrodes connected to the electrodes are led out to the same surface side of the insulating material. The semiconductor crystal layer functions as a semiconductor light-emitting device or a semiconductor electronic device. The insulating material is, for example, a resin.
Owner:SONY CORP

Semiconductor device and method of manufacturing the same

A semiconductor device manufacturing method comprises the steps of forming a metal film (24) on an organic interlayer insulating film (22) formed over a semiconductor substrate to get a metal diffusion preventing metal carbide film (23) on a boundary between the organic interlayer insulating film (22) and the metal film (24), and leaving the metal carbide film (23) on the organic interlayer insulating film (22) by removing selectively the metal film (24) from the metal carbide film (23).
Owner:FUJITSU LTD

Semiconductor device and manufacturing method for the same

A semiconductor device which reduces source resistance and a manufacturing method for the same are provided. A semiconductor device has a nitride based compound semiconductor layer on a substrate and an active region on the nitride based compound semiconductor layer. The semiconductor device has a gate electrode, a source electrode and a drain on the active region, a source terminal electrode connected to the source electrode arranged on the nitride based compound semiconductor layer in a direction which the source electrode extends. Furthermore, the semiconductor device has an end face electrode which is arranged on the end face of the substrate in a source terminal electrode side, is connected to the source terminal electrode, and includes a multilayer metal layer including three or more layers which includes different metals, and prevents solder for die bonding from reaching the source terminal electrode.
Owner:KK TOSHIBA

Manufacturing method of nozzle plate for liquid ejection head, nozzle plate for liquid ejection head, and liquid ejection head

A manufacturing method of nozzle plate for liquid ejection head includes, providing a substrate having a first base material of Si and a second base material, of which the etching rate in Si anisotropic dry etching is lower then that of Si, provided on one side of the first base material, forming a film as a second etching mask on the surface of the second base material, forming a second etching mask pattern having a small-diameter opening shape in the second etching mask film, etching until the etching part is extended through the second base material, forming a film as a first etching mask film on the surface of the first base material, forming a first etching mask pattern having a large-diameter opening shape in the first etching mask film, and Si anisotropic dry etching until the etched part is extended through the first base material.
Owner:KONICA MINOLTA INC

Air heat exchanger

Provided is an air heat exchanger capable of preventing an increase in ventilation resistance and a decrease in heat exchange efficiency due to condensation water generated on surfaces of heat transfer fins, without increasing thermal resistance of flat tubes and the heat transfer fins, and preventing scattering of water droplets downwind from the heat transfer fins. In the air heat exchanger including a plurality of flat tubes 2 and heat transfer fins 5 provided between the flat tubes 2 and on which air is blown, the flat tubes 2 include water draining grooves 4 on side surfaces on which the heat transfer fins 5 are provided and the heat transfer fins 5 include water guiding grooves 6 communicating with the water draining grooves 4. At least a groove wall 40 on the upwind side of an air blowing direction 10 among groove walls forming the water guiding grooves 6 is provided from a position of the upwind side from the water draining grooves 4 to the water draining grooves 4. The water guiding grooves 6 extend toward the water draining grooves 4 along the groove wall 40 on the upwind side and an area of a cross section perpendicular to an extension direction decreases toward the water draining grooves 4.
Owner:HITACHI JOHNSON CONTROLS AIR CONDITIONING INC

Cathode material structure and method for preparing the same

ActiveUS20120153231A1Sufficient electron conductivityIncrease in of battery consumptionCell electrodesConductive materialComposite filmMaterials science
A cathode material structure and a method for preparing the same are described. The cathode material structure includes a material body and a composite film coated thereon. The material body has a particle size of 0.1-50 μm. The composite film has a porous structure and electrical conductivity.
Owner:IND TECH RES INST

Micro sensor for detecting hepatic fibrosis based on method of antibody and antigen

This invention belongs to the field of the silica micro-machine and the electrical chemistry, specific about a kind of micro sensor on the base of antibody and antigen method to detect the fibration of the liver. It is made up of the working electrode, reference electrode, pairing electrode and the base board. Among these, the working poles have the shape of circle or like a circle and they range symmetrically. And the reference electrode is like the letter 'U', set between the working electrode. Besides, the pair pole looks like a trip, set between the reference poles. The base board is made up of the composite silicon packing block and the SiO2 layer. There are 4-8 working electrode and the electrode and the SiO2 layer are bonded with the Ti tack coat, and each electrode can be made with the simple film technology of the IC technology. In a word, the invention has small micro-sensors, costs little and has high authenticity. It can detect out the concentration of the antigen in the serum quantitatively and meanwhile measure several data of the serum, and the quantity of the serum is small.
Owner:FUDAN UNIV

Positive electrode active material for nonaqueous electrolyte secondary battery, method for making the same, positive electrode including the same, and battery including the positive electrode

A positive electrode active material for a nonaqueous electrolyte secondary battery includes a positive electrode active material particle and a compound containing a rare earth element and a carbonate, the compound having a particle size of 1 to 100 nm and being adhered to a surface of the positive electrode active material particle. The ratio of the compound relative to the positive electrode active material particle is 0.005% to 0.4% by mass on a rare earth element basis. The positive electrode active material particle is composed of a lithium transition metal oxide having a layered structure.
Owner:SANYO ELECTRIC CO LTD

Semiconductor device with high reliability and manufacturing method thereof

A semiconductor device is provided, which includes a substrate, an insulator film formed over the substrate, and plural metal wirings with different widths containing copper as a main component and an impurity which is different from copper. The plural metal wirings includes a first metal wiring having a concentration profile where the concentration of the impurity metal increases from the center part of the stacking direction to the surface and the second metal wiring having a concentration profile where the concentration of the impurity metal decreases from the bottom surface of the stacking direction to the surface. Moreover, the width of the second metal wiring may be larger than the width of the first metal wiring.
Owner:RENESAS ELECTRONICS CORP

Lithium-ion secondary battery and method of manufacturing the same

A lithium-ion secondary battery includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive active material layer. The negative electrode includes a negative active material layer. The positive active material layer contains a positive active material and an inorganic phosphate compound. A BET specific surface area of the positive active material is 0.3 m2 / g to 1.15 m2 / g. The inorganic phosphate compound includes at least one of an alkali metal, an alkaline earth metal, and a hydrogen atom in a chemical formula. A content of the inorganic phosphate compound in the positive active material layer is 0.02 g / m2 to 0.225 g / m2 per unit surface area based on the BET specific surface area of the positive active material. The lithium-ion secondary battery allows an open-circuit voltage of the lithium-ion secondary battery to increase to 4.3 V or higher in terms of metal lithium.
Owner:TOYOTA JIDOSHA KK

Electrolyte solution and electrochemical device

The present invention aims to provide an electrolyte solution that is less likely to lead to an increase in resistance and realizes high capacity retention factor even after continuous application of a high voltage, and to provide an electrochemical device. The present invention provides an electrolyte solution including: a nitrile compound; and a quaternary ammonium salt, the electrolyte solution having a potassium ion content of less than 10 ppm, a moisture content of 20 ppm or less, a tertiary amine content of 30 ppm or less, a heterocyclic compound content of 30 ppm or less, and an ammonia content of 20 ppm or less.
Owner:DAIKIN IND LTD

Positive Electrode Material, and Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery Which Include the Same

PendingUS20220310995A1Decrease in lithium ion conductivity conductivityDecrease in conductivity electrical conductivityMaterial nanotechnologyElectrode thermal treatmentBattery cellElectrode material
The present invention relates to a positive electrode material, which includes a positive electrode active material, and a coating layer formed on a surface of the positive electrode active material, wherein the coating layer has a form in which polyimide is dispersed and distributed in an island shape, and a method of preparing the same.
Owner:LG CHEM LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products