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149results about How to "Increased freedom of choice" patented technology
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Solid-state imager and signal processing system
InactiveUS20100091128A1Improve layout freedomReduce thermal effectsTelevision system detailsTelevision system scanning detailsEngineeringLight signal
A solid-state imager includes a pixel unit for converting incident light into an electrical signal, a substrate bearing the pixel unit formed thereon, an analog-to-digital converter, formed on the substrate, for converting a signal read from the pixel unit into a digital signal, an optical communication unit, arranged on the bottom surface of the substrate opposite the surface of the substrate bearing opposite the top surface of the substrate bearing the pixel unit receiving the incident light, for converting the digital signal converted by the analog-to-digital converter into a light signal and outputting the light signal, and a signal line for transferring the digital signal, converted by the analog-to-digital converter, to the optical communication unit arranged on the bottom surface of the substrate.
Owner:SONY CORP
Cap for liquid container
InactiveCN1345682AShock mitigationIncreased freedom of choiceNon-removalbe lids/coversDrinking vesselsEngineeringMechanical engineering
There is provided a cap body of a beverage container. A cylindrically-shaped drinking mouth member releasably provided in a mouth portion of a container body; a lid member connected to the drinking mouth member via a hinge axis; a spring for urging the lid member to the opening direction; and a lock member provided in a position against the hinge axis of the drinking mouth member for maintaining the lid member in a closing state, wherein the drinking mouth member comprises a drinking mouth formed in the lock member side of a peripheral wall of the upper opening; a bottom wall where hinge axis side is made higher than the drinking mouth side; a liquid hole formed in the drinking mouth side and an air hole formed in a hinge axis side on a connection line between the hinge axis side and the lock member side, and the lid member comprises an inner cap provided with a seal member for sealing the liquid hole and the air hole, and furthermore, a shoulder member provided in the container body is connected to the lid member and the hinge axis, and the hinge axis supporting portion of the shoulder member is provided with a protrusion portion to which the lid member slidably contacts in an opening operation of the lid member.
Owner:NIPPON SANSO CORP
Browser and method for configuring safe browser
InactiveCN101968838AEnsure safetyImprove securityPlatform integrity maintainanceTransmissionBrowser securityNormal mode
The invention provides a browser and a method for configuring a safe browser, aiming to solve the problem that the existing general browser is not safe enough and the special browser occupies system resource. The method comprises the following steps: initiating the browser and entering the general mode with the general browser function; detecting whether safe trigger signals exist or not in real time, when the safe trigger signals are detected to exist, initiating and configuring the safety functions of the browser and finally completing the conversion of the browser from the normal mode to the safety mode. When in the normal mode, the browser of the invention can save system resource for not opening safety functions, thus increasing conveniences and comforts to users; when in the safety mode, the browser can improve safety thereof and the users can complete high-safety applications under the protection of the safety browser. Therefore, the invention can improve safety of the browser while taking into consideration operating efficiency of the system.
Owner:BEIJING WATCH DATA SYST
Drip irrigation emitter and drip irrigation device equipped with same
InactiveUS20150150199A1Ensure correct executionReduce restrictionsClimate change adaptationWatering devicesDrip irrigationEngineering
A drip irrigation emitter (1), which comprises a low pressure stop filter (5), a pressure reduction channel (8), and a diaphragm (10), is disposed on the inner wall surface of a flow pipe (3) through which the irrigation liquid flows. The low pressure stop filter (5) has a hydrophobic surface and prevents inflow of the irrigation liquid when the fluid pressure is lower than an established value. The pressure reduction channel (8) reduces the pressure of the irrigation liquid. The diaphragm (10) changes the degree of opening of the pressure reduction channel (8) according to the fluid pressure of the irrigation liquid. The drip irrigation emitter (1) can be manufactured at low cost as a result of being a one-piece molding. The drip irrigation device comprising the drip irrigation emitter (1) stably ejects the irrigation liquid even when the liquid pressure is low.
Owner:ENPLAS CORP
Multi-user data transmission/reception system and mode determination method
ActiveUS20080187060A1Increase channel capacityReduce distractionsSecret communicationInter user/terminal allocationEngineeringMobile station
A multi-user data transmission / reception system includes at least one mobile station to receive a pilot signal, select a preferred mode, a preceding matrix index, a beamforming vector index, and a quantized capacity level using the pilot signal, and transmit the preferred mode, the preceding matrix index, the beamforming vector index, and the quantized capacity level; and a base station to transmit the pilot signal to the at least one mobile station, receive the preferred mode, the preceding matrix index, the beamforming vector index, and the quantized capacity level from the at least one mobile station, and determine an optimal mode, an optimal precoding matrix, and an optimal beamforming vector using a lookup table storing an expected capacity for each capacity quantization interval.
Owner:SAMSUNG ELECTRONICS CO LTD +1
Device for welding nut or the like
InactiveCN1479663AIncreased freedom of choiceFree connectionResistance electrode holdersPressure electrodesDouble tubeCoupling
The present invention relates to a nut positioning pin disposed on a lower electrode for the projection welding of a nut, and an object of the present invention is to increase cooling and positioning accuracy, prevent the entrance of sputtering particles, and increase the detecting accuracy. The present invention comprises an electrode holder (2) of a double-tube structure having a cooling water passage, a guide ring (13) for guiding a coupling rod (7) for vertical movement, an air passage means (m) for preventing the entrance of sputtering particles, a coupling block (28) and a magnetic shield which comprise a magnetic member for preventing a magnetic detecting element from being affected by an external magnetic field.The present invention is capable of accurately guiding cooling water and the coupling rod in the electrode holder and preventing sputtering particles from entering the electrode holder, and of preventing a detector from being adversely influenced by an external magnetic field for increased detecting accuracy.
Owner:SMK CO LTD
Super-resolution fluorescent digit holographic sectioning microimaging system and method
ActiveCN106885796ARealize 3D renderingAchieving super-resolution optical tomographyFluorescence/phosphorescenceMicro imagingSpatial light modulator
The invention relates to a super-resolution fluorescent digit holographic sectioning microimaging system and method and belongs to the field of fluorescent digit holographic and super-resolution imaging. Laser after amplitude modulation through a spatial light modulator loading a proper mask structure enters a microobjective to generate exciting light in a three-dimensional structure on a to-be-image sample; excited fluorescence of the sample is collected by the microobjective, and is then diffracted and divided and shifted in phase through the spatial light modulator through a dichroscope and an imaging system, and the two beans of light intervene in a position where an image detector is located to form a hologram which is recorded; the recorded hologram is reconstructed through a numerical algorithm in a computer, and for a structure in certain depth in the sample, reconstructed images of super-resolution and optical section can be separately acquired; the reconstructed images of super-resolution and optical section are fused by means of the numerical algorithm, so that super-resolution optical sectioning imaging is realized; and the reproducing distance of the hologram is changed, so that three-dimensional imaging of the super-resolution optical sections of structures in different depths of the sample can be realized.
Owner:BEIJING UNIV OF TECH
Solid-state imager and signal processing system
InactiveUS8704923B2Improve layout freedomReduce thermal effectsTelevision system detailsTelevision system scanning detailsEngineeringOptical communication
A solid-state imager includes a pixel unit for converting incident light into an electrical signal, a substrate bearing the pixel unit formed thereon, an analog-to-digital converter, formed on the substrate, for converting a signal read from the pixel unit into a digital signal, an optical communication unit, arranged on the bottom surface of the substrate opposite the surface of the substrate bearing opposite the top surface of the substrate bearing the pixel unit receiving the incident light, for converting the digital signal converted by the analog-to-digital converter into a light signal and outputting the light signal, and a signal line for transferring the digital signal, converted by the analog-to-digital converter, to the optical communication unit arranged on the bottom surface of the substrate.
Owner:SONY CORP
Micro- solid mode gyroscope
InactiveCN101261126ASimple structureEasy to shapeSpeed measurement using gyroscopic effectsTurn-sensitive devicesGyroscopeEngineering
The invention provides a micro-solid modal gyro in the micro electromechanical system technical field, comprising a piezoelectric control electrode, a piezoelectric sensing electrode, a piezoelectric driving electrode, a concentrated mass block, a linear vibration reinforced structure and an elastic base. The elastic base is provided with linear vibration reinforced structure; the linear vibration reinforced structure and the elastic base are fixedly connected with each other; the upper surface of the elastic base is provided with a trough which is internally provided with the concentrated mass block; the concentrated mass block is fixedly connected with the elastic base; the upper surface of the linear vibration reinforced structure is provided with the piezoelectric sensing electrode, the piezoelectric driving electrode and the piezoelectric control electrode. The micro-solid modal gyro works by the special vibration mode of the elastic base, increases the selectable freedom of the fabrication material of the micro gyro, leads the elastic base to be made of material with larger elasticity, and increases the micro-processability of the base material, thus being beneficial to improve the structure and shape of the micro gyro and improving the working performance of the gyro.
Owner:SHANGHAI JIAO TONG UNIV
Objective lens for optical recording media and optical pickup device using it
InactiveUS20050041560A1Increase freedomEfficiently focusRecord information storageOptical beam guiding meansOptical pickupOptical diffraction
An objective lens consists of two lens elements of different materials that are cemented. The lens surfaces that are cemented includes a phase function so that the cemented surface forms a optical diffractive surface that enables the objective lens to focus incident light of three different wavelengths with different numerical apertures onto different optical recording media. Three conditions are satisfied so as to achieve optimum imaging. The optical diffractive surface may be shaped so that the order of the diffracted light of the shortest wavelength λ1 having the largest diffracted intensity is different from the order of the diffracted light of the second wavelength λ2 having the largest diffracted intensity, and the order of the diffracted light of the first wavelength λ1 having the largest diffracted intensity is also different from the order of the diffracted light of the third wavelength λ3 having the largest diffracted intensity.
Owner:FUJI PHOTO OPTICAL CO LTD
Coaxial connector and coaxial connector with antenna
InactiveCN102044817ASimple structureEasy to manufactureAntenna supports/mountingsCoupling device detailsElectrical conductorEngineering
Owner:JST MFG CO LTD
Multipath light modulation apparatus
ActiveCN104837267AReduce generationIncreased freedom of choiceElectric light circuit arrangementSingle chipAC power
The invention discloses a multipath light modulation apparatus. The multipath light modulation apparatus comprises a power supply circuit, a single-chip integrated communication processor and circuit, and multipath adjustable current circuits. AC power is input to the power supply circuit, an output first-path DC power supply supplies power to multipath LED loads, an output second-path DC power supply supplies power to the single-chip integrated communication processor and circuit, and the anode of the output first-path DC power supply is connected with the anodes of the multipath LED loads; a single-chip integrated communication processor integrates a communication function and a multipath PWM signal output function into one chip, and the single-chip integrated communication processor and circuit communicates with the outside to obtain an instruction and outputs multipath PWM signals according to the instruction; and each path of the multipath adjustable current circuits is connected in series between the cathode of each LED load and ground potential and is respectively controlled by one PWM signal, and under the control of the PWM signals, the size of the current of the LED loads is changed. According to the invention, the multipath light modulation apparatus improves the circuit integration of a control portion and the selection freedom of an AC / DC power supply, and reduces the cost of the multipath light modulation apparatus.
Owner:金红涛
Intelligent 3D wig preparation method and equipment
The invention relates to the technical field of wig preparation, in particular to an intelligent 3D wig preparation method and equipment. The equipment comprises a 3D scanning measurement module, a head type control module, a hair length control module, a hair distribution cutting system, a warp feeding system, a hair feeding system, a hair introduction needle control module, and a front and rearneedle bed system. The equipment combines 3D scanning measurement and manual parameter input, so that a customer can freely select the needed wig model, and the free choice right of the customer is increased; meanwhile, the equipment adopts a semi-automatic control system, the number of workers required is greatly reduced, the requirements for proficiency and quality of the workers are reduced, and the problems of low processing efficiency and high labor costs are solved.
Owner:ZHONGYUAN ENGINEERING COLLEGE
Electric system stabilizing method and stabilizer
ActiveCN101212142AIncreased freedom of choiceGood compensationSingle network parallel feeding arrangementsPower oscillations reduction/preventionCurve fittingLow-frequency oscillation
The invention discloses a stability method for a power system and a stabilizer thereof. Filtering, eliminating direct current component, phase compensation and volt-limiting processing are carried out in sequence; wherein, the transfer function of the phase compensation is determined according to the following steps: 1 obtaining the phase characteristic Phi of a dynamo; 2. calculating the phase compensation characteristic Phi according to the engaged compensation requirement Phi<0> and the phase characteristic Phi; 3. taking the phase compensation characteristic Phi as a target curve to carry out curve fitting, obtaining a phase compensation curve f(x) which approaches the target curve and determining the transfer function of the phase compensation according to the phase compensation curve f(x). The stabilizer comprises a filter, a redactor a phase compensator and a volt-limiting device connected in sequence. The invention can well approach the needed compensation curve by adopting the transfer function of the phase compensation, thus carrying out better compensation for a lagging phase of the dynamo in the whole oscillation range with low frequency.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1
Planetary gear mechanism and motor-operated valve using the same
ActiveUS20120068098A1Increase the reduction ratioIncrease output torqueOperating means/releasing devices for valvesToothed gearingsEngineeringGear ratio
The invention provides a planetary gear mechanism achieving a greater reduction gear ratio without increasing the number of teeth of the gears, thereby enabling downsizing. In a planetary gear mechanism 1, a sun gear 91 functioning as an input gear receives smaller load than an internally toothed output gear 45, so gears (second planet gears 95) having a smaller module are connected to the planet gears 93, and the sun gear 91 is in engagement with the second planet gears 95. The sun gear 91 is formed of a same module as the second planet gears 95. The rotation of the sun gear 91 is reduced in speed and transmitted to the second planet gears 95, and rotation of the second planet gears 95 rotated at a reduced speed is further reduced by the slight difference in the numbers of teeth of the ring gear 44 and the internally toothed output gear 45 before being output.
Owner:FUJIKOKI CORP
Queue cache relay transmission method in physical layer safety communication
ActiveCN105375956AImprove reliabilityIncreased freedom of choiceDiversity/multi-antenna systemsCommunication jammingCommunications systemPhysical layer
The invention discloses a queue cache relay transmission method in physical layer safety communication, and mainly aims at solving the problems of low transmission reliability, low safety and high complexity in the prior art. The method comprises the steps that 1) a cache queue of relay nodes is initialized; 2) a source node transmits local data, a target node transmits interference data, and all relay and eavesdropping nodes receive the data; 3) the relay nodes transmit the local data, the source node transmits interference data, and the target and eavesdropping nodes receive data; 4) an optimal relay transmission link in the queue cache is selected; and 5) the optimal relay node broadcasts and transmits signaling to the source and target nodes, and starts transmission. The method has the advantages of low complexity, high safety and high transmission reliability, and can be applied to a physical layer safety relay coordinated communication system.
Owner:XIDIAN UNIV
Plane-configured organic infrared or ultraviolet photovoltaic semiconductor detector
ActiveCN101976729AAvoid absorptionAvoid reflectionsFinal product manufactureSolid-state devicesUltravioletSemiconductor detector
The invention relates to the technical field of photoelectron, in particular to a plane-configured organic infrared or ultraviolet photovoltaic semiconductor detector which comprises a substrate, an organic infrared or ultraviolet photovoltaic semiconductor, a low work function electrode and a high work function electrode. The detector is characterized in that the low work function electrode and the high work function plane are in the same plane. The plane-configured organic infrared or ultraviolet photovoltaic semiconductor detector technology of the invention can be applied to manufacture a plane-configured organic infrared photovoltaic semiconductor detector and a plane-configured organic ultraviolet photovoltaic semiconductor detector. Compared with the optical waveguide detector, the detector of the invention has the advantages of fast response speed, low power dissipation, easy formation of array, no need of offsetting and the like. In addition, the detector of the invention has the characteristics of low cost, easy realization of controllable electrical resistivity of large area photosensing materials, no need of refrigeration, realization of flexible processing and the like, thus having important potential application values in the military field, the civil field and some specific fields.
Owner:KUNMING INST OF PHYSICS
Piezoelectric driven capacitance detection micro-solid modal gyroscope
ActiveCN102353370AIncreased freedom of choiceHigh detection sensitivityTurn-sensitive devicesPhysicsBatch production
The invention discloses a piezoelectric driven capacitance detection micro-solid modal gyroscope in the field of micro-electromechanical technology. According to the invention, an elastic micro oscillator, a reference vibration induction electrode and a coriolis force induction electrode are fixed through lower surfaces; a piezoelectric actuation electrode is positioned on the upper surface of the elastic micro oscillator and forms a fixed connection with the elastic micro oscillator; and a tiny gap between the side wall of the reference vibration induction electrode and the coriolis force induction electrode and the side wall of the adjacent square elastic micro oscillator forms an interpole gap variable capacitance. Two merged special vibration modes of the elastic micro oscillator are utilized for operation with high ability of impact resistance and shake resistance; high working frequency is beneficial to increasing the measuring bandwidth of micro gyroscope and reduce noise; it is easy to package with high reliability and low production cost; the adoption of piezoelectric excitation and capacitance detection is beneficial to raising the driving force of reference vibration and simultaneously the invention is convenient to integrate, is easy for batch production and is used to reduce the influence of parasitic resistance or capacitance.
Owner:SHANGHAI JIAO TONG UNIV
Layered composite of a substrate film and of a layer assembly comprising a sinterable layer made of at least one metal powder and a solder layer
InactiveUS20140234649A1Open porosityIncreased freedom of choiceSolid-state devicesPrinted circuit manufactureElectronic componentMetal powder
The invention relates to a layered composite (10), in particular for connecting electronic components as joining partners, comprising at least one substrate film (11) and a layer assembly (12) applied to the substrate film. The layer assembly comprises at least one sinterable layer (13), which is applied to the substrate film (11) and which contains at least one metal powder, and a solder layer (14) applied to the sinterable layer (13). The invention further relates to a method for forming a layered composite, to a circuit assembly containing a layered composite (10) according to the invention, and to the use of a layered composite (10) in a joining method for electronic components.
Owner:ROBERT BOSCH GMBH
Optical elements, optical devices, optical detectors, optical information processing devices, optical attenuators, polarization conversion elements, projector optical systems, and optical device systems
InactiveCN102272641ASmall sizeReduce weightProjectorsPolarising elementsOptical pickupInformation processing
Owner:RICOH KK
Antibacterial paper and production technology thereof
InactiveCN102660909AAvoid wastingIncreased freedom of choiceSpecial paperPaper/cardboardPulp and paper industryAntibacterial agent
The invention relates to antibacterial paper which comprises a first paper layer and a second paper layer which are arranged in a laminated way, wherein an antibacterial layer is arranged between the first paper layer and the second paper layer, and comprises a sticky substance and an antibacterial agent with an antibacterial effect and a sterilization effect; the sticky substance is used for fixing and sticking the first paper layer and the second paper layer; and the antibacterial agent is used for enabling the antibacterial paper to have the antibacterial effect. Compared with the prior art, the antibacterial paper has the advantages of being efficient in antibiosis and low in cost, and ensuring that a user has no discomfort on skin. The invention also relates to a production technology of the antibacterial paper.
Owner:GOLD HONG YE PAPER
Rader level gauge
ActiveUS20160041023A1Horizontal size can be minimizedTransmission loss can be suppressed and reducedWaveguide hornsMachines/enginesRadarEngineering
A radar level gauge using electromagnetic signals is provided, which includes a connection arrangement for connecting a transmitter receiver circuit board and an antenna unit with one another, with which the horizontal size of the radar level gauge may be reduced and reflection and transmission losses may be suppressed as well. The transmitter receiver circuit board 32 is so disposed in a housing 12 as to extend vertically. The connection arrangement includes a waveguide sequence which is fed at a feed terminal 32a formed on the transmitter receiver circuit board 32 and composed of three waveguides W1 to W3. Specifically, the waveguide sequence includes, in sequential order from the transmitter receiver circuit board to the antenna unit: a circular waveguide W1 extending horizontally and perpendicular to the transmitter receiver circuit board; a rectangular waveguide W2 in connection with the circular waveguide W1 and extending vertically; and a second circular waveguide W3 further in connection with the rectangular wave guide W2 and extending vertically.
Owner:TOKYO KEIKI
Arc helix cylindrical gear and arc rack
InactiveCN101149104AThe meshing track is tight and precisePerfect meshing theoryPortable liftingGearing elementsConvex sideEngineering
The present invention discloses one kind of curved teeth helical cylindrical gear and curved teeth helical rack. The curved teeth helical cylindrical gear has teeth comprising convex tooth face, concave tooth face, tooth root and tooth crest, and gear teeth cross section contour line comprises involutes, convex arc lines and concave arc lines to constitute bidirectional arc spiral line. The curved teeth helical rack has teeth comprising convex tooth face, concave tooth face, tooth root and tooth crest. The curved teeth helical cylindrical gear and the curved teeth helical rack have precise mesh path, 100 % contact surface, great bearing capacity and long service life.
Owner:完颜学明 +2
Method for forming organic semiconductor thin film and method of manufacturing thin-film semiconductor device
InactiveUS20100029040A1Increased freedom of choiceHigh degree of freedom of selectionSolid-state devicesSemiconductor/solid-state device manufacturingOrganic semiconductorSolvent
A method for forming an organic semiconductor thin film includes the steps of forming a mixed ink layer on a principal plane of a printing plate, the mixed ink layer including a mixture of an organic semiconductor material incapable of transcription and an organic material capable of transcription from the printing plate to a substrate in ink form dissolved in a solvent, and forming an organic semiconductor thin film by transcribing the mixed ink layer onto the substrate by transcribing the mixed ink layer on the printing plate to the substrate.
Owner:SONY CORP
Motor operated valve
ActiveUS8794591B2Increase engagementIncrease freedomOperating means/releasing devices for valvesToothed gearingsEngineeringSpur gear
The invention provides a motor-operated valve including a planetary gear mechanism achieving a greater reduction gear ratio without increasing the number of teeth of the gears, thereby enabling downsizing. In a planetary gear mechanism 1, a sun gear 91 functioning as an input gear receives smaller load than an internally toothed output gear 45, so gears (second planet gears 95) having a smaller module are connected to the planet gears 93, and the sun gear 91 is in engagement with the second planet gears 95. The sun gear 91 is formed of a same module as the second planet gears 95. The rotation of the sun gear 91 is reduced in speed and transmitted to the second planet gears 95, and rotation of the second planet gears 95 rotated at a reduced speed is further reduced by the slight difference in the numbers of teeth of the ring gear 44 and the internally toothed output gear 45 before being output.
Owner:FUJIKOKI CORP
Idle speed control apparatus in throttle body
InactiveUS6868828B2Increased freedom of choiceHigh resolutionElectrical controlIdling devicesLinear motionIdle speed control
An idle speed control apparatus which improves freedom of selection in an opening degree characteristic of a throttle valve is structured such that an intake passage of a throttle body is opened and closed by a throttle valve, a cam lever is attached to one end of a rotatably supported link shaft, a link lever is attached to another end of the link shaft, a slider of a stepping motor is connected to the link lever, a cam portion of the cam lever is connected to a roller of the throttle valve lever, linear motion of the slider is transmitted to the link shaft via the link lever to rotationally displace the link shaft, rotation of the cam lever is transmitted to the throttle valve lever, and the throttle valve opens an idling opening degree corresponding to the rotation of the stepping motor.
Owner:KEIHIN CORP
Three-in-two card connector and mobile terminal including three-in-two card connector
ActiveUS20170250481A1Increased freedom of choiceImprove user experienceConveying record carriersCoupling contact membersEngineeringEdge connector
Owner:HUAWEI TECH CO LTD
Protection device of vehicle cylinder lock
InactiveCN1473231AIncrease freedomIncreased freedom of choiceAnti-theft cycle devicesBurglar prevention lockingHigh intensityEngineering
A protector of a cylinder lock for a vehicle in which a shutter plate, which is capable of operation between a closed position where an insertion hole corresponding to a keyhole of the cylinder lock is closed and an open position where the insertion hole is open, is housed in a casing, and in which a magnet lock that allows the operation of the shutter plate from the closed position to the open position during the engagement of the magnet key into the engagement concavity is disposed in the casing, wherein the magnet lock (25A) is formed separately from the shutter plate (24A) and is provided with a rotor (26A) in which the engagement concavity (27) is provided, the rotor (26A) being connected to the shutter plate (24A) via a link mechanism (44). This increases the degree of freedom in the selection of the material and manufacturing method of the shutter plate and enables the shutter plate to be formed from a high-strength material.
Owner:HONDA LOCK MFG CO LTD
Multi-junction solar cell, photovoltaic conversion component and compound semiconductor layer-by-layer structure
InactiveCN103022057AReduce thicknessImprove absorption efficiencyDiodeEnergy conversion devicesLattice constantMultijunction photovoltaic cell
The invention relates to a multi-junction solar cell, a photovoltaic conversion component and a compound semiconductor layer-by-layer structure. The invention provides a multi-junction solar cell with sub-cells, and a sub-cell substrate is matched with a lattice and provided with an expected band gap. The multi-junction solar cell disclosed by the invention is composed of a plurality of sub-cells (11), (12) (13) and (14) which are laminated, each sub-cell is composed of a first compound semiconductor layer and a second compound semiconductor layer which are laminated, at least a special sub-cell (11) is composed of a first layer (11A1, 11A2) and a second layer (11C), the first layer (11A1, 11A2) is composed of a 1-A(th) layer (11AA) and a 1-B(th) layer (11AB) which are laminated, the second layer (11C) is composed of a 2-A(th) layer (11CA) and a 2-B(th) layer (11CB) which are laminated, a combination-A of the 1-A(th) layer (11AA) and the 2-A(th) layer (11CA) is determined based on a band gap value of a specific sub-cell 11, a combination-B of the 1-B(th) layer (11AB) and the 2-B(th) layer (11CB) is determined based on the difference between the lattice constant of the substrate and the lattice constant of the combination-A, and the thicknesses of the 1-B(th) layer (11AB) and the 2-B(th) layer (11CB) are determined based on the difference between the lattice constant of the substrate and the lattice constant of the combination-B, the thickness of the 1-A(th) layer (11AA) and the 2-A(th) layer (11CA).
Owner:SONY CORP +1
Electrostatically driven capacitively detected micro-solid modal gyroscope
InactiveCN102288173AIncreased freedom of choiceImprove driveTurn-sensitive devicesPiezoelectric/electrostrictive devicesPhysicsCMOS
The invention discloses a static-driving capacitance-detection micro solid modal gyroscope belong to the technical field of micro electro mechanical systems, which comprises an elastic micro vibrator, and a reference vibration driving electrode, a reference vibration induction electrode, a Coriolis force induction electrode which are positioned at the periphery of the elastic micro vibrator, wherein two consolidated special vibration modes, i.e. a reference vibration mode and a sensing vibration mode, of the elastic micro vibrator are used for working, static power is adopted for driving, andvariable capacitance mechanism is used for detecting the reference vibration and Coriolis force induction vibration. The gyroscope has no independent mass spring structure so as to have the anti-impact and anti-vibration capability, can be used in the severe environment; the gyroscope has high working efficiency so as to be beneficial to enlarge the measurement bandwidth of the gyroscope and reduce noise, the gyroscope can work under the atmospheric environment so as to reduce the packaging difficulty and has improved reliability and reduced production cost; and the static exciting and the capacitance detection are adopted, so that the micro solid modal gyroscope and a CMOS (Complementary Metal-Oxide-Semiconductor Transistor) measurement and control circuit can be integrated, the batched production is easy, and simultaneously, the influence to the parasitic resistance or the capacitance can be reduced.
Owner:SHANGHAI JIAO TONG UNIV
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