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8049485 |
AC loss measurement device of high-temperature superconductor
A measuring device for measuring the alternating current (AC) loss of a high-temperature superconductor is disclosed. In accordance with an embodiment of the present invention, the device includes...
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7768251 |
Superconducting coil testing
A method of testing a superconducting coil path formed in a layer of superconducting material. The material is provided on a former (6) having a substantially curved surface. The method comprises...
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7554317 |
Critical current testing techniques for superconducting conductors
A method for testing a superconducting coated conductor is disclosed. The method includes providing a superconducting coated conductor having an dimension ratio of not less than about 102; and...
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7538648 |
MRT device
The invention relates to an MRT device with a superconducting magnet whose coils are located in a helium tank and with electronic control components whereby a section of control components is...
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7301323 |
Quench detection method and apparatus of superconductive conductor
When supplying electric power to a superconducting cable including a superconducting shield covering a superconductive conductor, a phase A of a current generated by a magnetic field leaking from...
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6975102 |
Apparatus and method for analyzing capacitance of insulator
According to the present invention, there is provided an insulator capacitance analyzer for analyzing C-V characteristics of a first MIS structure having unknown capacitance, which includes: a...
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6624637 |
Device for measuring the concentrations in a measuring liquid
The invention relates to a device for measuring the concentration of ions, notably of hydrogen ions, in a measuring liquid using at least one ion-sensitive field effect transistor which is...
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6605949 |
Quasi-hemispherical fabry-perot resonator and method of operating the same
In a quasi-hemispherical Fabry-Perot resonator for the non-destructive determination of the surface resistance Rs of electrically conductive thin material films, spherical and planar mirrors are...
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6531859 |
Electronic arrangement for an electric component and as a support for sensors
The invention relates to an electrode arrangement for an electronic component, also acting as a support for sensors. Said electrode arrangement is mounted on a substrate (1) as a suitably...
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6320369 |
Superconducting current measuring circuit having detection loop
A superconducting current measuring circuit is provided with a detection loop through which a current flows by the influence of a magnetic field generated by a measurement target current. The...
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6255831 |
Millimeter wave measurement process
With the help of the millimeter wave measurement system, the surface impedance is determined by means of one or a plurality of resonators with very high three dimensional resolution when there are...
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5936394 |
Method and apparatus for measuring critical current value of superconducting wire
Method and apparatus of measuring a critical current value of a superconducting wire formed by wire sections S(n), n being 1≤n≤N and initially set to 1, comprising a first step (a) of det...
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5889397 |
Automatic HTS force measurement instrument
A device for measuring the levitation force of a high temperature superconductor sample with respect to a reference magnet includes a receptacle for holding several high temperature superconductor...
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5869958 |
Method of and apparatus for determining a response characteristic
A method of determining a response characteristic of a microwave device includes coupling a microwave resonator to the device, loading the resonator with microwave radiation, monitoring the time...
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5744945 |
Cryogenic fluid-level sensor
A method of measuring a cryogenic fluid level utilizing a high temperature ceramic superconductor material driven above its level of critical current density. A high temperature ceramic...
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5619141 |
Thermopower mapping of superconducting cuprates
The invention comprises a method for determining the hole or electron concentration, transition temperature, ratio Tc /Tc (max), or state of doping of a material capable of exhibiting...
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5563505 |
Apparatus for characterizing high temperature superconducting thin film
A dielectric resonator apparatus for measuring the parameters of high temperature superconducting thin film is disclosed having improved means for positioning the dielectric and substrates, holding...
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5506497 |
Process and device for microwave surface resistance determination
A process for determining a surface resistance to microwave energy of a superconductive film provides a metallic cavity resonator whose resonator cavity is defined by metallic walls, and...
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5400668 |
Superconducting magnet magnetically levitated transportation apparatus
A superconducting magnet includes a superconducting coil, an inner tank for containing the coil, a shield plate for covering the inner tank, and an outer tank for accommodating the superconducting...
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5339025 |
Method for determining the granular nature of superconductors using pulsed current
The present invention provides a method for determining the granular nature of superconductive materials and devices which includes the steps of: conducting a substantially rectangular current...
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5268646 |
Apparatus for characterizing conductivity of superconducting materials
Apparatus and method for noncontact, radio-frequency shielding current characterization of materials. Self- or mutual inductance changes in one or more inductive elements, respectively, occur when...
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5239269 |
Apparatus and method for measuring and imaging surface resistance
Apparatus and method for determining and imaging superconductor surface resistance. The apparatus comprises modified Gaussian confocal resonator structure with the sample remote from the radiating...
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5225395 |
Supervisory system for superconductive transformer
A supervisory system is used for a superconductive transformer which comprises primary to Nth-order windings (N is an integer of not less than 2) windings, and the windings are formed of...
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5223798 |
Method for measuring the resistive transition and critical current in superconductors using pulsed current
The present invention provides a method for measuring the intragranular and ntergranular critical current of a granular superconductive material, comprising the steps of: 1) conducting a...
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5179342 |
Superconductor quench measuring device which evaluates reflected pulses
In a method and apparatus for detecting and locating a quench zone in a superconducting coil, a sensor is positioned adjacent to and in heat transfer communication with the entire length of the...
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5134360 |
Apparatus and method for critical current measurements
An apparatus for the measurement of the critical current of a superconductive sample, e.g., a clad superconductive sample, the apparatus including a conductive coil, a means for maintaining the...
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5126655 |
Apparatus for observing a superconductive phenomenon in a superconductor
An apparatus for observing a superconductive phenomenon is disclosed. In the apparatus, a cooling unit cools a superconductor having a threshold temperature at which the superconductor changes from...
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5059891 |
Microwave method for detection of weak links in superconductors
Weak links in superconductors are detected by observing the effect of magnetic field modulation on the microwave resistance of superconductors. The phase detected response to the magnetic...
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5053707 |
Apparatus for positioning a pick-up coil for detecting magnetic flux quantum trapped in a superconductor
A head with a pick-up coil is attached to a supporter so that the head is freely movable along the direction perpendicular to the surface of a superconductor. Fluid spouted from the spout hole of...
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5030614 |
Superconductor sensors
A superconducting wire is produced by the surrounding of a superconductive material core with an intermediate compressible insulating layer and an outer malleable layer and then drawing said...
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4996472 |
Passive superconducting quench detection sensor
The present invention provides a passive superconducting sensor for quench detection in a superconducting coil. The sensor consists of a first circuit electrically connected to two voltage taps of...
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4959614 |
Apparatus for determining microwave characteristics of superconductive materials using a resonant cavity and calibration waveguides
Apparatus for determining the electrical characteristics of a superconductive material in a range of microwave frequencies and in a range of cryogenic temperatures has the material incorporated...
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4904929 |
Method for detection of weak links in the current path of electrically continuous superconductors
Weak links in electrically continuous superconductors are detected by observing the effect of magnetic field modulation on the dc resistance of superconductors. The phase detected response to the...
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4892834 |
Chemical sensor
A sensor for detecting a chemical substance includes an insertion element having a structure which enables insertion of the chemical substance with a resulting change in the bulk electrical...
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4873482 |
Superconducting transmission line particle detector
A microvertex particle detector for use in a high energy physic collider including a plurality of parallel superconducting thin film strips separated from a superconducting ground plane by an...
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4851762 |
Novel technique using magnetic field dependent phase detection for detection of superconductivity
The invention relates to a method and apparatus to detect the superconductive state by measuring the change in the resistance of a sample. A dc magnetic field is imposed on the sample while the...
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4657658 |
Semiconductor devices
A semiconductor integrated circuit for sensing a physico-chemical property of an ambient includes a pair of semiconductor devices (Q1, Q2) having a similar geometric and physical structure, one...
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4387165 |
H2 S Detector having semiconductor and noncontinuous inert film deposited thereon
A method and apparatus for detecting hydrogen sulfide with improved longevity. The hydrogen sulfide detector includes a semiconductor comprised of indium oxide attached to an inert substrate. A...
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4385274 |
Method and device for compensating temperature-dependent characteristic change in ion-sensitive FET transducer
An electrical circuitry for use in the measurement of the activity of ions in an electrolyte solution carried out by the use of an ion-sensitive field-effect transistor transducer having a gate or...
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4371943 |
External means for detecting normal zones in superconducting magnets or coils
Disclosed is a method for detecting propagating normal zones in a superconducting coil or magnet by monitoring the energy consumed by the magnet/coil per unit time and comparing that value with a...
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4334880 |
Analytical device having semiconductive polyacetylene element associated with analyte-binding substance
A method, sensor and semiconductor device for determining the concentration of an analyte in a medium. The device features an element constructed of polyacetylene associated with a binding...
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3824453 |
METHOD OF DETERMINING CONCENTRATIONS
A reference electrode and test electrode comprising a body of semi-conductor material having an element incorporated in it are positioned in a solution containing the element and the potential...
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3621472 |
SUPERCONDUCTING FREQUENCY CONVERTER SYSTEM
A frequency converter system for use in the superconducting range of temperature based upon the Josephson tunnelling effect, in which the detector element or device consists of a bead of lead-tin...
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3428891 |
METHOD FOR EVALUATING THE STABILITY AND OPERATING CHARACTERISTICS OF COMPOSITE SUPERCONDUCTORS
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3283245 |
Indirect process for testing hard superconductor layers
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3181936 |
Superconductors and method for the preparation thereof
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3015960 |
Superconductive resonant circuit and accelerometer
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