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3691 results about "Auxiliary electrode" patented technology
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The auxiliary electrode, often also called the counter electrode, is an electrode used in a three electrode electrochemical cell for voltammetric analysis or other reactions in which an electric current is expected to flow. The auxiliary electrode is distinct from the reference electrode, which establishes the electrical potential against which other potentials may be measured, and the working electrode, at which the cell reaction takes place.
Electrode systems for electrochemical sensors
The present invention relates generally to systems and methods for improved electrochemical measurement of analytes. The preferred embodiments employ electrode systems including an analyte-measuring electrode for measuring the analyte or the product of an enzyme reaction with the analyte and an auxiliary electrode configured to generate oxygen and / or reduce electrochemical interferants. Oxygen generation by the auxiliary electrode advantageously improves oxygen availability to the enzyme and / or counter electrode; thereby enabling the electrochemical sensors of the preferred embodiments to function even during ischemic conditions. Interferant modification by the auxiliary electrode advantageously renders them substantially non-reactive at the analyte-measuring electrode, thereby reducing or eliminating inaccuracies in the analyte signal due to electrochemical interferants.
Owner:DEXCOM
Electrode systems for electrochemical sensors
ActiveUS20050115832A1Immobilised enzymesBioreactor/fermenter combinationsAnalyteOxygen utilization rate
The present invention relates generally to systems and methods for improved electrochemical measurement of analytes. The preferred embodiments employ electrode systems including an analyte-measuring electrode for measuring the analyte or the product of an enzyme reaction with the analyte and an auxiliary electrode configured to generate oxygen and / or reduce electrochemical interferants. Oxygen generation by the auxiliary electrode advantageously improves oxygen availability to the enzyme and / or counter electrode; thereby enabling the electrochemical sensors of the preferred embodiments to function even during ischemic conditions. Interferant modification by the auxiliary electrode advantageously renders them substantially non-reactive at the analyte-measuring electrode, thereby reducing or eliminating inaccuracies in the analyte signal due to electrochemical interferants.
Owner:DEXCOM
Minimally-invasive system and method for monitoring analyte levels
InactiveUS6952604B2Improve responseImprove signal and performanceCatheterSensorsAnalyteStratum corneum
A minimally-invasive analyte detecting device and method for using the same. The system and method employ a device having an active electrode optionally coated with a substance, and a counter-electrode that is configured at least partially surround the active electrode. The configuration of the auxiliary electrode and active electrode improves the current flow through the device and increases the sensitivity of the device. When the device is placed against the patient's skin, the active electrode is adapted to enter through the stratum corneum of a patient to a depth less than a depth in the dermis at which nerve endings reside. An electric potential is applied to the active electrode and the analyte level is determined based on the amount of current or charge flowing through the device.
Owner:BECTON DICKINSON & CO
Minimally-invasive system and method for monitoring analyte levels
A minimally-invasive analyte detecting device and method for using the same. The system and method employ a device having an active electrode optionally coated with a substance, and a counter-electrode that is configured at least partially surround the active electrode. The configuration of the auxiliary electrode and active electrode improves the current flow through the device and increases the sensitivity of the device. When the device is placed against the patient's skin, the active electrode is adapted to enter through the stratum corneum of a patient to a depth less than a depth in the dermis at which nerve endings reside. An electric potential is applied to the active electrode and the analyte level is determined based on the amount of current or charge flowing through the device.
Owner:BECTON DICKINSON & CO
Light-emitting device
InactiveUS6559594B2Improve reliabilityTransistorDischarge tube luminescnet screensEffect lightAuxiliary electrode
To provide a bright and highly reliable light-emitting device. An anode (102), an EL layer (103), a cathode (104), and an auxiliary electrode (105) are formed sequentially in lamination on a reflecting electrode (101). Further, the anode (102), the cathode (104), and the auxiliary electrode (105) are either transparent or semi-transparent with respect to visible radiation. In such a structure, lights generated in the EL layer (103) are almost all irradiated to the side of the cathode (104), whereby an effect light emitting area of a pixel is drastically enhanced.
Owner:SEMICON ENERGY LAB CO LTD
Light emitting device and method of manufacturing the same
InactiveUS6781162B2Effective diffusionImproved light emissionElectroluminescent light sourcesSolid-state devicesHydrogenTransparent conducting film
To provide a light emitting device high in reliability with a pixel portion having high definition with a large screen. According to a light emitting device of the present invention, on an insulator (24) provided between pixel electrodes, an auxiliary electrode (21) made of a metal film is formed, whereby a conductive layer (20) made of a transparent conductive film in contact with the auxiliary electrode can be made low in resistance and thin. Also, the auxiliary electrode (21) is used to achieve connection with an electrode on a lower layer, whereby the electrode can be led out with the transparent conductive film formed on an EL layer. Further, a protective film (32) made of a film containing hydrogen and a silicon nitride film which are laminated is formed, whereby high reliability can be achieved.
Owner:SEMICON ENERGY LAB CO LTD
Sensor apparatus and safety apparatus for protecting approach to machines
InactiveUS6376939B1Improve securityPossibility is mitigated and suppressedBoards/switchyards circuit arrangementsEmergency protective arrangement detailsCapacitanceElectricity
A sensor apparatus and a safety apparatus which can ensure significantly enhanced safety by monitoring constantly whether the sensor apparatus is operating normally. An auxiliary electrode plate of a small area is disposed in parallel and in opposition to an electrode plate with a short distance therefrom. A switching element is turned on every second for a period of milliseconds repetitively. When the switching element is turned on under the control of a central processing unit, the auxiliary electrode plate is connected to the ground potential, as a result of which a capacitance DELTAC effective between the auxiliary electrode plate and the electrode plate is electrically connected in parallel with a capacitor C0 effective between the electrode plate and a machine component, resulting in that the capacitance C0 is increased by a proportion corresponding to the capacitance DELTAC. Consequently, change of the capacitance C0 comparable to that brought about upon detection of the human body takes place, whereby a substantially similar detection signal as the human body detection signal is made available. On the basis of this detection signal, it is possible to monitor whether or not the sensor apparatus is operating normally.
Owner:SUMITOMO CHEM CO LTD
Transparent organic light emitting display device and method for manufacturing the same
ActiveUS20140183479A1Convenient ArrangementElectroluminescent light sourcesSolid-state devicesDisplay deviceAuxiliary electrode
Provided are an organic light emitting display device and a method for manufacturing the same. The organic light emitting display device includes a plurality of pixels, each including a set of sub pixels. Each of the sub pixels has an emissive area for emitting light and a transmissive area for passing the external light. At least two sub pixels are symmetrically arranged on each side of an auxiliary electrode, and share the auxiliary electrode.
Owner:LG DISPLAY CO LTD
Device and method for multi-phase radio-frequency ablation
InactiveUS7151964B2Simple power connectionFully filledControlling energy of instrumentInternal electrodesAblation zoneAuxiliary electrode
Multi-phase RF ablation employing a two-dimensional or three-dimensional electrode array produces a multitude of currents paths on the surface of the ablation zone. This results in a uniform lesion with a size defined by the span of the electrode array. An orthogonal electrode catheter array suitable for cardiac ablation is used in conjunction with a two-phase RF power source to produce uniform square-shaped lesions of size 1.2 cm2. Lesions of larger size are created by successive adjacent placement of the square-shaped lesions. A temperature sensor at the electrode tip allows monitoring of ablation temperature and regulation of thereof to minimize the electrode tips from being fouled by coagulum. In another embodiment, an external auxiliary electrode is used in combination with the catheter electrodes. This also produces lesions of greater depth. In yet another embodiment, ablation is performed with a sequence of elementary electrode-electrical configurations.
Owner:MORVIL TECH LLC
Laser plasma source for extreme ultraviolet lithography using a water droplet target
InactiveUS6377651B1Avoid componentsEasy to operateNanoinformaticsPhotomechanical exposure apparatusAuxiliary electrodeExtreme ultraviolet
A laser produced extreme ultraviolet (EUV) source based on a water droplet target has been implemented an auxiliary electrode system between the source and the first collector mirror. The auxiliary electrode system creates a repeller electric field, possibly a dc voltage imposed on the mirror that slows down and reverses the trajectories of ions from the source before they impact the collection mirror. The source modified according to the invention was evaluated with respect to the demands of EUV lithography and found to have much extended operational lifetimes. The spectral distribution of the generated radiation as well as the conversion efficiency into line radiation at 13 nm was determined. Long time measurements of the reflectivity of silicon / molybdenum multilayer mirrors for up to from 107 to 109 shots show the useful influence of the treatment of ions emitted from the source. Several methods of debris reduction were tested and discussed. Surface analysis of the treated multilayer mirrors of is presented. Long time measurements of the reflectivity of silicon / molybdenum multilayer mirrors for up to 109 shots show the advantage provided by this invention.
Owner:UNIV OF CENT FLORIDA RES FOUND INC
Non-volatile memory device, method of operating the same, and method of fabricating the same
ActiveUS20090097321A1Improve performanceEasy to integrateTransistorSolid-state devicesCapacitanceCapacitive coupling
A non-volatile memory device may include at least one semiconductor layer, a plurality of control gate electrodes, a plurality of charge storage layers, at least one first auxiliary electrode, and / or at least one second auxiliary electrode. The plurality of control gate electrodes may be recessed into the semiconductor layer. The plurality of charge storage layers may be between the plurality of control gate electrodes and the semiconductor layer. The first and second auxiliary electrodes may be arranged to face each other. The plurality of control gate electrodes may be between the first and second auxiliary electrodes and capacitively coupled with the semiconductor layer.
Owner:SAMSUNG ELECTRONICS CO LTD
Fluid-type multiple electrochemical system and preparation thereof
InactiveUS6969451B2Immobilised enzymesBioreactor/fermenter combinationsElectricityAuxiliary electrode
A fluid-type multiple electrochemical system. The system includes a substrate for an electric circuit having a plurality of electrode parts formed at regular intervals. The electrode parts each include a reference electrode and an auxiliary electrode. Also provided is a fluid-type substrate having a fluid injection part, a fluid ejection part and a plurality of fluid storages. The fluid storages are formed at the same regular intervals as the electrode parts of the substrate and are connected with each other through fluid passages. The system also includes a sensor substrate having a plurality of unit sensors formed at the same regular intervals as the electrode parts of the substrate. Each unit sensor has an electrode part, an electrode pad for supplying power voltage simultaneously, and an electrode wiring.
Owner:INTELLECTUAL DISCOVERY CO LTD
Plasma etching device
InactiveUS8114245B2Lower impedanceLiquid surface applicatorsElectric discharge tubesElectron currentElectricity
A plasma etching device which has an auxiliary electrode enabling realization of a uniform plasma density of generated plasma on the surface of a base and which enables uniform etching with respect to the base without depending upon pressure and without rotating a magnetic field applying means. The plasma etching device has magnetic field applying means which has two parallel plate electrodes I and II and RF power applying means, with the base set on the electrode I, and which is horizontal and unidirectional with respect to the surface of the base where plasma etching is carried out. In this plasma etching device, an auxiliary electrode is provided at least on the upstream side of the base in a flow of electron current generated by the magnetic field applying means. The auxiliary electrode includes a local electrode arranged on the side facing the electrode II and means for adjusting impedance provided at a part of the local electrode to be electrically connected with the electrode I.
Owner:OHMI TADAHIRO +1
Display device and fabricating method thereof
ActiveUS20070108899A1Increase contrastEffective applicationDischarge tube luminescnet screensElectroluminescent light sourcesDisplay deviceEngineering
A display device includes a thin film transistor formed on a first insulating substrate, a first electrode electrically connected with the thin film transistor, an emission layer formed on the first electrode, a second electrode formed on the emission layer, an auxiliary electrode shaped like a mesh to at least partially expose the first electrode, the auxiliary electrode being electrically connected with the second electrode and receiving a common voltage therefrom, and a second insulating substrate placed on the auxiliary electrode. The exemplary embodiments of a display device, and a method of manufacturing the same, according to the present invention can apply a common voltage efficiently throughout the display and have an improved contrast ratio.
Owner:SAMSUNG DISPLAY CO LTD
Laminated assay devices
InactiveUS20050136529A1Bioreactor/fermenter combinationsBiological substance pretreatmentsAnalyteAuxiliary electrode
An electrochemical-based assay device capable of detecting the presence or quantity of an analyte of interest that is provided. The device contains two or more substrates, one containing a detection working electrode and another containing an auxiliary electrode, such as a counter / reference electrode(s). The substrates are positioned in a face-to-face relationship so that the electrodes are adjacent to each other during performance of the assay. Besides the electrodes, any of a variety of other components may also be employed in the assay device.
Owner:KIMBERLY-CLARK WORLDWIDE INC
Light emitting device and method for fabricating light emitting device
ActiveUS20050012454A1Precise patternAvoid problemsDischarge tube luminescnet screensElectroluminescent light sourcesAuxiliary electrodeBrightness gradient
It is an object of the present invention to provide a method for fabricating a light emitting device, in which brightness gradient due to potential drop of a counter electrode can be prevented from being observed and an auxiliary electrode can be formed without increasing the number of steps, even when the precision of a light emitting device is improved. It is another object of the invention to provide a light emitting device fabricated according to the method. The light emitting device has a light emitting element and an auxiliary electrode in each pixel. The light emitting element includes a first electrode, a second electrode, an electroluminescent layer provided between the first and the second electrodes. Further, the first electrode is overlapped with the electroluminescent layer and the second electrode formed over an insulating film by means of a first opening formed in the insulating film. Still further, the auxiliary electrode is overlapped with the second electrode by means of a second opening formed over the second insulating film.
Owner:SEMICON ENERGY LAB CO LTD
Electrochemical biosensor by screen printing and method of fabricating same
ActiveUS7138041B2Rapid sample inflowSmall volumeImmobilised enzymesBioreactor/fermenter combinationsReaction layerSiphon
Owner:GENERAL LIFE BIOTECHNOLGOY
Wiring harness and touch sensor incorporating same
InactiveUS20050126831A1Transmission systemsCathode-ray tube indicatorsDielectric substrateAuxiliary electrode
A wiring harness and a touch sensor incorporating same are disclosed. The touch sensor includes a sensing electrode disposed in a touch sensitive area. The touch sensor further includes a plurality of auxiliary electrodes disposed on a self-supporting dielectric substrate in a border area. The auxiliary electrodes transmit a touch signal to electronics configured to use the touch signal to determine the touch location.
Owner:3M INNOVATIVE PROPERTIES CO
Actively driven organic EL device and manufacturing method thereof
InactiveUS6933672B2Increase the number ofLow resistivityDischarge tube luminescnet screensStatic indicating devicesConductive materialsAuxiliary electrode
The present invention is a active-driving organic EL light emission device comprising an organic EL element comprising an organic luminous medium between an upper electrode and a lower electrode, and a thin film transistor for driving this organic EL element, wherein light emitted from the organic EL element is taken out from the side of the upper electrode, and the upper electrode comprises a main electrode formed of transparent conductive material, and an auxiliary electrode formed of a low-resistance material. According to the active-driving organic EL light emission device of this structure, the numerical aperture can be made large. Additionally, the sheet resistivity of the upper electrode can be made low even if luminescence is taken out from the side of the upper electrode. Thus, it is possible to provide an active-driving organic EL light emission device making it possible to display images having a high brightness and a homogenous brightness; and a method for manufacturing the same.
Owner:IDEMITSU KOSAN CO LTD
Organic light emitting display device and method of manufacturing the same
ActiveUS20160043341A1Minimize voltage dropImprove lifetime reliabilitySolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceAuxiliary electrode
Provided is an organic light emitting display device including: a substrate; a first anode and a second anode formed on the substrate; a first auxiliary electrode formed between the first anode and the second anode; a first organic light emitting layer and a second organic light emitting layer; a first bank including an undercut formed on an upper part of a first edge of the first auxiliary electrode; a second bank including an undercut formed on an upper part of a second edge of the first auxiliary electrode; a second auxiliary electrode disposed between the undercut of the first bank and the first auxiliary electrode; a third auxiliary electrode disposed between the undercut of the second bank and the first auxiliary electrode; a first cathode electrically connected with the second auxiliary electrode; and a second cathode electrically connected with the third auxiliary electrode.
Owner:LG DISPLAY CO LTD
Lithium reservoir system and method for rechargeable lithium ion batteries
ActiveUS20080003490A1Extend battery lifeEffective controlFinal product manufactureElectrolyte/reactants regenerationEngineeringAuxiliary electrode
A lithium-ion battery cell includes at least two working electrodes, each including an active material, an inert material, an electrolyte and a current collector, a first separator region arranged between the at least two working electrodes to separate the at least two working electrodes so that none of the working electrodes are electronically connected within the cell, an auxiliary electrode including a lithium reservoir, and a second separator region arranged between the auxiliary electrode and the at least two working electrodes to separate the auxiliary electrode from the working electrodes so that none of the working electrodes is electronically connected to the auxiliary electrode within the cell.
Owner:ROBERT BOSCH GMBH
Organic light emitting element, display device including the same and method for manufacturing organic light emitting element
ActiveUS20060017375A1Increase brightnessDisplay imageDischarge tube luminescnet screensElectroluminescent light sourcesDisplay deviceOptoelectronics
An organic EL element includes a substrate, a plurality of first electrodes which are arranged on the substrate in a matrix configuration, a wall-like insulating layer which is formed on the substrate, organic light emitting layers which are formed on the first electrodes, respectively, an auxiliary electrode which is formed on top of the wall-like insulating layer and a second electrode which is formed to cover the surfaces of the wall-like insulating layer, the auxiliary electrode and the light emitting layers and electrically connected to the auxiliary electrode. The second electrode is transparent to light from the light emitting layers.
Owner:GLOBAL OLED TECH
Display device using semiconductor light emitting device
ActiveUS20150255505A1Provide flexibilityCircuit optical detailsDigital data processing detailsDisplay deviceAuxiliary electrode
A display device including a wiring substrate having a first substrate layer and a second substrate layer, a conductive adhesive layer configured to cover the wiring substrate, a plurality of semiconductor light emitting devices coupled to the conductive adhesive layer and electrically connected to a first electrode and a second electrode. Further, the first electrode is disposed on the first substrate layer, and the second substrate layer has one surface facing the conductive adhesive layer and the other surface covering the first electrode, and an auxiliary electrode electrically connected to the first electrode and the second electrode are disposed on one surface of the second substrate layer.
Owner:LG ELECTRONICS INC
Organic Light-Emitting Display Device and Method of Fabricating the Same
InactiveUS20130056784A1Reduce resistanceImprove brightness uniformitySolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceAuxiliary electrode
An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.
Owner:LG DISPLAY CO LTD
Organic light emitting diode display device and method of fabricating the same
ActiveUS20140312323A1Eliminate the problemSolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceAuxiliary electrode
An organic light emitting diode display device, comprises: a thin film transistor on a substrate; a first insulating layer on the thin film transistor; a connecting electrode connected to the thin film transistor and a first auxiliary electrode on the first insulating layer; a second insulating layer on the connecting electrode and the first auxiliary electrode; an anode connected to the connecting electrode and a second auxiliary electrode spaced apart from the anode and connected to the first auxiliary electrode on the second insulating layer; a bank layer having a first contact hole exposing the anode and a second contact hole exposing the second auxiliary electrode on the anode and the second auxiliary electrode; an organic emitting layer on the anode in the first contact hole; and a cathode electrically connected to the second auxiliary electrode on the organic emitting layer.
Owner:LG DISPLAY CO LTD
Plating of a thin metal seed layer
InactiveUS20050145499A1CellsSemiconductor/solid-state device manufacturingThin metalAuxiliary electrode
A method and apparatus for plating a metal layer onto a substrate is provided. The plating apparatus includes two or more segments of an anode and an auxiliary electrode. The plating method includes a first stage of plating a thin metal seed uniformly in the center of the substrate and near the edges of the substrate before metal gap filling and bulk metal plating are performed. The thin metal seed is plated on the substrate surface by applying a current pulse provided by a first power supply and a second power supply which are in electrical communication in reverse polarity with one segment of the anode and the auxiliary electrode. Thereafter, gap filling of features is performed by applying a second current pulse where current is provided to all segments of the anode.
Owner:APPLIED MATERIALS INC
Hydrogen generator for uses in a vehicle fuel system
InactiveUS6866756B2Increase electrode surface areaSimple designCellsPhotography auxillary processesHydrogenElectrolysis
The present invention discloses an electrolyzer for electrolyzing water into a gaseous mixture comprising hydrogen gas and oxygen gas. The electrolyzer is adapted to deliver this gaseous mixture to the fuel system of an internal combustion engine. The electrolyzer of the present invention comprises one or more supplemental electrode at least partially immersed in an aqueous electrolyte solution interposed between two principle electrodes. The gaseous mixture is generated by applying an electrical potential between the two principal electrodes. The electrolyzer further includes a gas reservoir region for collecting the generated gaseous mixture. The present invention further discloses a method of utilizing the electrolyzer in conjunction with the fuel system of an internal combustion engine to improve the efficiency of said internal combustion engine.
Owner:HYDROGEN TECH APPL
Transparent conductive multi-layer structure, process for its manufacture, and device making use of transparent conductive multi-layer structure
InactiveUS20070079869A1Improve conductivityPoor heat resistanceConductive layers on insulating-supportsLight-sensitive devicesAuxiliary electrodeSolar battery
A transparent conductive multi-layer structure having a smooth base material 1, a transparent conductive layer 2 formed on the smooth base material 1 by coating, an auxiliary electrode layer 3 formed in a pattern on the transparent conductive layer 2, and a transparent substrate 5 joined to the transparent conductive layer 2 and auxiliary electrode layer 3 through an adhesive layer 4. On a smooth peeled-off surface of the transparent conductive layer 2 from which the smooth base material 1 has been peeled off, various devices are formed to set up devices such as a dye-sensitized solar cell and an organic electroluminescent device.
Owner:SUMITOMO METAL MINING CO LTD
Neurostimulation system, device, and method
InactiveUS20140172041A1Avoiding high impedanceReduce deliveryHead electrodesDiagnostic recording/measuringPower flowCranial nerves
A device for cranial nerve stimulation of an individual is disclosed, having a signal driver unit for producing a current; an intraoral stimulation board having at least one primary electrode, and at least one secondary electrode positioned on the individual for communicating a current through the individual, wherein current can flow between the intraoral stimulation board and the secondary electrode. The device may be used to treat a number of ailments. In one embodiment, the device provides input representing two planes of movement, or is used as a gaming controller. A method of using an electrical stimulation system is also disclosed, comprising the steps of: a) positioning the intraoral stimulation board within the individual's mouth; b) connecting the secondary electrode to the individual; c) operating the signal driver unit for a predetermined time to provide a current flow between the intraoral stimulation board and the secondary electrode.
Owner:NURALEVE
Neurostimulation system, device, and method
InactiveUS8874220B2Avoiding high impedanceReduce deliveryHead electrodesDiagnostic recording/measuringPower flowCranial nerves
Owner:NURALEVE
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