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79results about How to "Maximum coupling" patented technology
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Non-volatile memory device
ActiveUS20090242964A1Reduce variationLess thickness variationSolid-state devicesSemiconductor/solid-state device manufacturingEngineeringSemiconductor
A finFET-based non-volatile memory device on a semiconductor substrate includes source and drain regions, a fin body, a charge trapping stack and a gate. The fin body extends between the source and the drain region as a connection. The charge trapping stack covers a portion of the fin body and the gate covers the charge trapping stack at the location of the fin body. The fin body has a corner-free shape for at least ¾ of the circumference of the fin body which lacks distinct crystal faces and transition zones in between the crystal faces.
Owner:III HLDG 6
Film bulk acoustic resonator
InactiveUS6936837B2Maximum couplingHigh bandwidthImpedence networksBulk negative resistance effect devicesThin-film bulk acoustic resonatorAlkaline earth metal
A thin film bulk acoustic resonator comprises a substrate (12) of a silicon single crystal, a base film (13) formed on the substrate (12) and composed of a dielectric film mainly containing silicon oxide, and a piezoelectric stacked structure (14) formed on the base film (13). A vibratory section (21) composed of a part of the base film (13) and a part of the piezoelectric stacked structure (14). The piezoelectric stacked structure (14) includes a lower electrode (15), a piezoelectric film (16), and an upper electrode (17) formed in this order from below. The substrate (12) had a via hole (20) in the region corresponding to the vibratory section (21). The via hole forms a space for allowing vibration of the vibratory section (21). The piezoelectric film (16) is an aluminum nitride thin film containing 0.2 to 3.0 atom % of alkaline earth metal and / or a rare earth metal. Thus, the thin film bulk acoustic resonator has a high performance such as a large electromechanical coupling coefficient, an excellent acoustic quality factor (Q) and an excellent frequency-temperature characteristic.
Owner:NAT INST OF ADVANCED IND SCI & TECH +1
Coupling loop
ActiveUS7432723B2Increase opportunitiesAvoid breakingCoaxial cables/analogue cablesNear-field transmissionCouplingFrequency matching
A coupling loop or antenna is provided that can be used with a system that determines the resonant frequency of a sensor by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor. The coupling loop includes multiple loops. Preferably two tuned loops are used for transmitting the energizing signal to the sensor and an un-tuned loop is used for receiving the sensor signal from the sensor. Orientation features on the housing for the coupling loop and the sensor are provided to assist in positioning the coupling loop relative to the sensor to maximize the coupling between the sensor signal and the coupling loop.
Owner:ST JUDE MEDICAL LUXEMBOURG HLDG II S A R L SJM LUX II
Abutted exchange bias design for sensor stabilization
InactiveUS7283337B2Hard structureSuppresses side-lobesRecord information storageManufacture of flux-sensitive headsIn planeSelf-stabilization
A hard bias (HB) structure for biasing a free layer in a MR sensor within a magnetic read head is comprised of a main biasing layer with a large negative magnetostriction (λS) value. Compressive stress in the device after lapping induces a strong in-plane anisotropy that effectively provides a longitudinal bias to stabilize the sensor. The main biasing layer is formed between two FM layers, and at least one AFM layer is disposed above the upper FM layer or below the lower FM layer. Additionally, there may be a Ta / Ni or Ta / NiFe seed layer as the bottom layer in the HB structure. Compared with a conventional abutted junction exchange bias design, the HB structure described herein results in higher output amplitude under similar asymmetry sigma and significantly decreases sidelobe occurrence. Furthermore, smaller MRWu with a similar track width is achieved since the main biasing layer acts as a side shield.
Owner:HEADWAY TECH INC
Low noise figure radiofrequency device
InactiveUS7738853B2Small sizeMinimizing volume of cavityResonant long antennasSubstation equipmentLow noiseCoaxial resonators
A RF device such as a tower mounted amplifier (TMA), mast-head amplifier (MHA), or Tower Mounted Boosters (TMB) includes a housing having a plurality of cavities and an input and an output, the input being coupled to the antenna and the output being coupled to a base station. The housing includes a transmission path holding multiple coaxial resonators. The housing further includes multiple receive paths including at least one path having a plurality of cavities, each cavity containing a dielectric resonator. The metallic transmit resonator nearest the antenna input is coupled to the first dielectric resonator via a common resonant wire. The last dielectric resonator in the receive path is coupled to a first metallic resonator of a downstream clean-up filter via another common resonant wire.
Owner:ANTONE WIRELESS CORP
CPP spin-valve element
InactiveUS20050002126A1Increase resistanceLower average currentMagnetic-field-controlled resistorsSolid-state devicesCurrent limitingCoupling
A CPP spin-valve element formed on a substrate including a free layer structure including at least one ferromagnetic layer and a pinned layer structure including at least one ferromagnetic layer. The free layer is magnetically softer than the pinned layer. A thin non-magnetic spacer layer structure configured to separate the free layer and the pinned layer is provided in order to prevent a magnetic coupling between the free and pinned layer structures, and to allow an electric current to go there through. At least two current-confining (CC) layer structures including at least two parts having significantly different current conductivities are incorporated therein.
Owner:UNIVERSITY OF ALABAMA +1
Coupling loop and method for positioning coupling loop
ActiveUS20060244465A1Avoid breakingIncrease opportunitiesCoaxial cables/analogue cablesNear-field transmissionCouplingFrequency matching
A coupling loop or antenna is provided that can be used with a system that determines the resonant frequency of a sensor by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor. The coupling loop includes multiple loops. Preferably two tuned loops are used for transmitting the energizing signal to the sensor and an un-tuned loop is used for receiving the sensor signal from the sensor. Orientation features on the housing for the coupling loop and the sensor are provided to assist in positioning the coupling loop relative to the sensor to maximize the coupling between the sensor signal and the coupling loop.
Owner:ST JUDE MEDICAL LUXEMBOURG HLDG II S A R L SJM LUX II
Pipe handling apparatus for presenting sections of pipe to a derrick work floor having a high-speed carriage assembly
ActiveUS7021880B2Assisted movementReduce frictionDrilling rodsLoading/unloadingEngineeringCantilever
A pipe handling apparatus for raising and lowering pipe to and from a raised derrick work floor. The apparatus comprises a longitudinally-extending base, with a longitudinally-extending cavity therein. An elongate, longitudinally-extending boom member is provided, which is adapted for raising out of and nestable positioning in such cavity. The boom member has a longitudinally-extending trough therein on an upperside surface thereof, adapted to receive at least one section of pipe. At least one arm member is coupled to the boom member for raising a proximal end of such boom member. A carriage member, slidably coupled to the boom member, is moveable longitudinally along the boom in the trough. The carriage member is adapted to engage and slidably transport one end of the pipe along the trough. Motive means are provided to permit powered movement of the carriage member along the boom.
Owner:FORUM US
External cavity widely tunable laser using a silicon resonator and micromechanically adjustable coupling
InactiveUS20120195332A1Widely tunableEasy to manufactureOptical resonator shape and constructionSemiconductor lasersTunable laserMicrolens
A widely tunable laser is described where a compound semiconductor gain chip is coupled to a waveguide filter fabricated on silicon. The filter has two resonators with different free-spectral-ranges, such that Vernier tuning between the filters can be used to provide a single wavelength of light feedback into the gain chip, where the wavelength is adjustable over a wide range. The coupling between the gain chip and the filter is realized through a microlens whose position can be adjusted using micromechanics and locked in place.
Owner:T&S COMM
Optical waveguide and thermal assist magnetic recording head therewith
ActiveUS20110205661A1Maximum couplingCombination recordingNanoopticsHeat-assisted magnetic recordingLight beam
An optical waveguide of the present invention is an optical waveguide in order to directly introduce light beams emitted from a light emitting element. In a core that is a waveguide through which light propagates, a concave part is formed that is a depression in a light incident end surface that is one side where light enters. Therefore, an optical waveguide is realized that can obtain a large optical coupling efficiency is possible by the operation of phase alignment in the concave part.
Owner:TDK CORPARATION
Non-volatile memory device
ActiveUS8159018B2Reduce variationLess thickness variationSolid-state devicesSemiconductor/solid-state device manufacturingEngineeringSemiconductor
A finFET-based non-volatile memory device on a semiconductor substrate includes source and drain regions, a fin body, a charge trapping stack and a gate. The fin body extends between the source and the drain region as a connection. The charge trapping stack covers a portion of the fin body and the gate covers the charge trapping stack at the location of the fin body. The fin body has a corner-free shape for at least ¾ of the circumference of the fin body which lacks distinct crystal faces and transition zones in between the crystal faces.
Owner:III HLDG 6
Novel abutted exchange bias design for sensor stabilization
InactiveUS20060198059A1Hard structureSuppresses side-lobesRecord information storageManufacture of flux-sensitive headsIn planeOrbit
A hard bias (HB) structure for biasing a free layer in a MR sensor within a magnetic read head is comprised of a main biasing layer with a large negative magnetostriction (λS) value. Compressive stress in the device after lapping induces a strong in-plane anisotropy that effectively provides a longitudinal bias to stabilize the sensor. The main biasing layer is formed between two FM layers, and at least one AFM layer is disposed above the upper FM layer or below the lower FM layer. Additionally, there may be a Ta / Ni or Ta / NiFe seed layer as the bottom layer in the HB structure. Compared with a conventional abutted junction exchange bias design, the HB structure described herein results in higher output amplitude under similar asymmetry sigma and significantly decreases sidelobe occurrence. Furthermore, smaller MRWu with a similar track width is achieved since the main biasing layer acts as a side shield.
Owner:HEADWAY TECH INC
Wireless sensor antenna configuration
InactiveUS7377168B2Avoid noiseMaximum couplingVibration measurement in solidsElectric signal transmission systemsElectricityLine sensor
Many sensors could be used in a passive wireless mode. These include RLC, acoustic wave and magneto-elastic sensors. These types of sensors are designed to exhibit a change in fundamental frequency when exposed to environmental factors such as temperature, pressure, or chemicals. An interrogation circuit can inductively couple to the sensor and measure the change in fundamental frequency. The change can be used to measure the environmental factor. Sensor sensitivity and inductive coupling efficiency can be competing design constraints. A driver, electrically connected to the sensor and inductively coupled to the interrogation circuit, can relax the constraints. The driver, however, can introduce noise into the sensor. The sensor can be shielded using physical and geometric techniques to reduce the noise.
Owner:HONEYWELL INT INC
Indirect radiation detector
InactiveUS20100282972A1High X-ray flux densityReduce eliminateMaterial analysis using wave/particle radiationRadiation/particle handlingHigh fluxMedical imaging
The present invention relates to an indirect radiation detector for detecting radiation (X), e.g. for medical imaging systems. The detector has an array of pixels (P1-P6), each pixel (P) being sub-divided into at least a first and a second sub-pixel (PE1, PE2). Each sub-pixel has a cross-sectional area (A1, A2) parallel to a surface plane (60) of the array. The cross-sectional area (A1) of the first sub-pixel (PE1) is different, e.g. smaller, from the cross-sectional area (A2) of the second sub-pixel (PE2) to provide a dynamic range of detectable flux densities. Additionally, the first sub-pixel (PE1) has a photosensitive device (PS1) arranged on a side of the sub-pixel, said side being substantially orthogonal to said surface plane of the array of pixels to provide a good optical coupling. The detector allows high-flux photon counting with a relatively simple detector design.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Active optical alignment using MEMS mirrors
An optical package includes one or more MEMS mirrors to provide alignment between internal optical components and the signal port(s) on the package (where one or more ports may include optical fiber attachments). Once the components are placed in the package, an electrical signal is used to adjust the deflection profile of the appropriately positioned MEMS mirror(s) until maximum coupling between the internal components and the fibers / ports is obtained. Advantageously, if later signal degradation occurs due to, for example, subsequent physical misalignment of the internal components, corrective electrical signal can be sent to the MEMS mirror(s) to provide correction and re-alignment without having to open the package and physically move the components.
Owner:LUCENT TECH INC +1
Dual-polarized microstrip structure
ActiveUS7423595B2Improve toleranceLoss in performanceSimultaneous aerial operationsRadiating elements structural formsMicrostrip patch antennaFeed technique
A dual-polarized microstrip patch antenna structure comprising: a dual microstrip feed line circuitry underneath a bottom dielectric substrate; a ground plane layer overlying the bottom dielectric substrate, the ground plane layer having coupling apertures etched to the ground plane layer; a middle metallized patch layer stacked over a middle dielectric substrate; a top metallized patch layer stacked underneath a top dielectric substrate; and an air layer between the middle dielectric substrate and the top dielectric substrate separating the middle metallized patch layer and the top metallized patch layer. The microstrip feed line circuitry is configured to utilize corner-feeding techniques for enabling diagonal modes of the patch layers, and the coupling apertures of the ground plane layer are provided with a non-resonant bow-tie shape for enabling aperture coupling between the microstrip feed line circuitry and the patch layers.
Owner:HMD GLOBAL
Acoustic driver assembly for a spherical cavitation chamber
InactiveUS6958568B1Maximum couplingPiezoelectric/electrostriction/magnetostriction machinesMechanical vibrations separationUltrasonic sensorCavitation
An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). The driver assembly is permanently attached to the exterior surface of the spherical cavitation chamber via brazing or diffusion bonding. In at least one embodiment, the transducer is comprised of a pair of piezo-electric transducers, preferably with the adjacent surfaces of the piezo-electric transducers having the same polarity. The surface of the head mass that is adjacent to the external surface of the chamber has a spherical curvature equivalent to the spherical curvature of the external surface of the chamber, thus providing maximum coupling efficiency between the acoustic driver and the cavitation chamber. In at least one embodiment a void filling material is interposed between one or more pairs of adjacent surfaces of the driver assembly.
Owner:BURST ENERGIES INC
Optical connection component
InactiveUS20100014806A1Without substantial coupling lossMaximum couplingLaser detailsCoupling light guidesLight beamWaveguide
The present invention provides an optical connection component which comprises a solid state laser component for emitting a modulated beam of light in response to an applied electrical signal. The optical connection component also comprises an optical lens positioned relative to the solid state laser component at a predetermined position in which the optical lens reduces divergence of the emitted beam of light. The optical lens is formed at the predetermined position in a manner such that the optical lens is immobile relative to the solid state laser component. The optical connection component further comprises an optical waveguide having a core for guiding the light. The optical waveguide has first and second end-portions. The first end-portion is positioned for coupling the modulated light from the optical lens into the core. In addition, the optical connection component comprises a receiver for receiving the modulated light from the second end-portion of the optical waveguide and arranged for converting the modulated light into a corresponding electrical signal.
Owner:EDITH COWAN UNIVERSITY +1
Monitoring light beam position in electro-optical readers and image projectors
ActiveUS20060065735A1Eliminate electromagnetic feedbackReduced stabilityMirrorsCharacter and pattern recognitionElectromagnetic couplingScan line
An arrangement for determining light beam position in an electro-optical reader, image projector and like devices includes a drive for moving a scanning light beam at a scan frequency across a target as a scan line, and an electro-optical feedback assembly operatively connected to the drive, for optically detecting scan line position during beam movement, and for generating a feedback signal at the scan frequency, the feedback signal being indicative of the scan line position. A feedback coil in the drive is eliminated to avoid electromagnetic coupling between multiple coils in the drive.
Owner:MICROVISION
Semiconductor device and a method for manufacturing the semiconductor device
InactiveUS20090289352A1Maximum couplingSemiconductor/solid-state device detailsSolid-state devicesSemiconductor chipConductive materials
A semiconductor device includes: a first substrate, having a grounding layer and holes formed therein for filling with an electroconductive material; a semiconductor chip over such first substrate; and an electroconductive heat releasing member, electrically coupled to the semiconductor chip able to release heat from the semiconductor chip. The heat releasing member includes a ceiling section covering the surface of the semiconductor chip and side surface extending from the ceiling section toward the sides of the first substrate. The ceiling section of the heat releasing member and the side surface sections are formed to compose an integral member. Tips of the side surface sections are inserted in the respective holes of the first substrate. The tips of the side surface section, in turn, are fixed in the inside of the respective holes with the electroconductive material, and the tips are electrically coupled to the grounding layer through the electroconductive material.
Owner:RENESAS ELECTRONICS CORP
Integrated coupling structures
InactiveUS20100271152A1Easy to manufactureRepeatable sensor performanceImpedence networksPiezoelectric/electrostriction/magnetostriction machinesCapacitive effectCapacitance
An integrated package provides contactless communication through a coupling mechanism embedded in the package. Package types include Surface Mount Technology (SMT), Low Temperature Co-fired Ceramic (LTCC) technology, and dual-in-line integrated circuit pressed ceramic packages generally. The package can include an acoustic wave device (AWD) sensor such as a surface acoustic wave (SAW) device or a bulk acoustic wave (BAW) device. Coupling includes inductive and capacitive effects through plates, loops, spirals, and coils. Coil inductance and SAW capacitance can be parallel resonant at the desired SAW resonance with the coil impedance higher than the SAW impedance, minimizing load-pull effects.
Owner:MICROSEMI CORP HIGH PERFORMANCE TIMING
Optical devices responsive to near infrared laser and methods of modulating light
InactiveUS20100096603A1Fast response timeImprove efficiencyOther chemical processesOptical articlesNear infrared laserIrradiation
A photorefractive composition that is photorefractive upon irradiation by a near infrared (NIR) laser. The photorefractive composition comprises a sensitizer and a polymer comprising a repeating unit including at least a moiety selected from the group consisting of the formulae (Ia), (Ib) and (Ic), as defined herein. The photorefractive composition can be used in optical devices.
Owner:NITTO DENKO CORP
External cavity widely tunable laser using a silicon resonator and micromechanically adjustable coupling
InactiveUS8908723B2Widely tunableEasy to manufactureLaser optical resonator constructionOptical resonator shape and constructionCouplingLength wave
A widely tunable laser is described where a compound semiconductor gain chip is coupled to a waveguide filter fabricated on silicon. The filter has two resonators with different free-spectral-ranges, such that Vernier tuning between the filters can be used to provide a single wavelength of light feedback into the gain chip, where the wavelength is adjustable over a wide range. The coupling between the gain chip and the filter is realized through a microlens whose position can be adjusted using micromechanics and locked in place.
Owner:T&S COMM
Non-volatile semiconductor memory device
InactiveUS20050029579A1Maximum couplingPrevent intrusionTransistorSolid-state devicesInter layerHydrogen content
A non-volatile semiconductor memory device according to the present invention has a semiconductor substrate and a memory cell having a floating gate provided through a tunnel insulating layer on the semiconductor substrate, and a control gate provided through an inter-layer insulting layer on said floating gate. The inter-insulating layer includes a silicon oxide layer contiguous to said floating gate, a first silicon nitride layer provided by a CVD method on the silicon oxide layer and a second silicon nitride layer provided on said first silicon nitride layer and having a lower trap density than that of the first silicon nitride layer. The inter-insulating layer may includes a silicon oxide layer contiguous to said floating gate and a silicon oxide layer deposited on said silicon oxide layer and having a quantity of hydrogen content on the order of 1019 / cm3 or less. The inter-insulating layer also may includes a silicon oxide layer serving as a layer contiguous to at least one of the floating gate and the control gate, and having a lower trap density than that of a silicon nitride layer formed by a CVD method.
Owner:KK TOSHIBA
Cable Assembly for a Coupling Loop
InactiveUS20070181331A1Increase opportunitiesAvoid breakingCoaxial cables/analogue cablesNear-field transmissionCoaxial cableCoupling
A coupling loop or antenna is provided that can be used with a system that determines the resonant frequency of a sensor by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor. A cable attached to the coupling loop provides maximum isolation between the energizing signal and the sensor signal by maximizing the distance between the coaxial cables that carry the signals and maintaining the relative positions of the coaxial cables throughout the cable assembly.
Owner:ST JUDE MEDICAL LUXEMBOURG HLDG II S A R L SJM LUX II
Optical connection component
InactiveUS8197147B2Low production costDivergence of the beam of laser light is reducedLaser detailsFibre transmissionLight beamWaveguide
The present invention provides an optical connection component which comprises a solid state laser component for emitting a modulated beam of light in response to an applied electrical signal. The optical connection component also comprises an optical lens positioned relative to the solid state laser component at a predetermined position in which the optical lens reduces divergence of the emitted beam of light. The optical lens is formed at the predetermined position in a manner such that the optical lens is immobile relative to the solid state laser component. The optical connection component further comprises an optical waveguide having a core for guiding the light. The optical waveguide has first and second end-portions. The first end-portion is positioned for coupling the modulated light from the optical lens into the core. In addition, the optical connection component comprises a receiver for receiving the modulated light from the second end-portion of the optical waveguide and arranged for converting the modulated light into a corresponding electrical signal.
Owner:EDITH COWAN UNIV +1
Method of Constrained Aggressor Set Selection for Crosstalk Induced Noise
InactiveUS20090077515A1Effective calculationReduce pessimismComputer aided designSpecial data processing applicationsCoupling noiseInductive coupling
A preliminary static timing analysis run is performed to calculate the delay and slew as well as timing windows for each net in the design, followed by coupling analysis for each given aggressor-victim combination, and to calculate the noise effect on the timing of victim net. Given a set of functional groups that relate the coupled aggressors to each other, the worst set of aggressors are calculated that satisfy the constraints from the functional groups, based on the calculated impact of each aggressor on the victim. Similarly the set of aggressors which contribute to the maximum amount of inductive coupling noise effect on timing are calculated. Furthermore, the coupling noise impact of the reduced set of aggressors on the given victim line and adjust the delay value calculated in the preliminary static timing analysis run.
Owner:IBM CORP
Method of forming a hard bias structure in a magnetic head
InactiveUS7275304B2Hard structureSuppresses side-lobesElectrical transducersNanomagnetismIn planeExchange bias
Owner:HEADWAY TECH INC
Magnetoresistive head with improved in-stack longitudinal biasing layers and fabricating method
InactiveUS20050162786A1Easily controlling magnetization directionGood effectMagnetic-field-controlled resistorsRecord information storageLow noiseRoom temperature
A magnetoresistive head and a fabricating method thereof accomplishing high sensitivity and low noise are provided even if track width narrowing makes progress. In one embodiment, a pinned layer includes a laminate which includes at least two magnetic layers and where adjacent magnetic layers are coupled antiferromagnetically to each other, and a mechanism to apply a longitudinal biasing field to a free layer is made to function by laminating a nonmagnetic separate layer / longitudinal biasing layer / antiferromagnetic layer connecting the free layer and opposite a nonmagnetic conductive layer (or nonmagnetic tunneling barrier layer). Controlling a magnetization direction of the longitudinal biasing layer which bears application of a longitudinal biasing field to the pinned layer and free layer is achieved by annealing carried out while applying a magnetic field in a track width direction and applying a magnetic field at room temperature.
Owner:WESTERN DIGITAL TECH INC
Arrangement for connecting chassis components and wheel carriers for motor vehicles
InactiveUS20170008558A1Increase coefficient of frictionSoft surfaceSteering linkagesSheet joiningMobile vehicleDouble wall
An arrangement for connecting chassis parts, in particular a screw connection, between a structure made of a fiber-plastic composite and a metallic load-introducing element, designed as a traction member. The structure is double-walled having a first wall and at least a second wall spaced from the first wall. The first and second walls have each coaxially positioned recesses and a spacer, having a through hole, is positioned between the first and second walls. The load-introducing element extends through at least one recess and the hole of the spacer. The load-introducing element has a holding part assigned to it, and the load-introducing element and the holding part are connected to one another by a connecting segment. The connecting segment and / or the holding part essentially pass through the first and / or the second wall.
Owner:ZF FRIEDRICHSHAFEN AG
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