|
Match
|
Document |
Document Title |
|
|
7541805 |
Magnetic characteristics measuring method and system
A magnetic characteristics measurement system includes a superconducting quantum interference device which detects a magnetization of a sample located in the vicinity of a superconducting pickup...
|
|
|
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...
|
|
|
7535220 |
Beam measuring equipment and beam measuring method using the same
A measuring device includes a magnetic shielding part for shielding an outer magnetic field, and a plurality of magnetic field sensors which are arranged in a shielding space which is formed by the...
|
|
|
7508202 |
Method and apparatus for magnetic field detection
A method and device for field detection are provided, in which one or more gradiometers ( 31, 32, 33 ) are positioned in the field and rotated about their axes. Rotation of a single gradiometer...
|
|
|
7495449 |
Non-destructive testing apparatus and non-destructive testing method
A non-destructive testing method of improved efficiency. Two one-dimensional images are obtained by scanning an optical line over an object to be tested in an X- and Y-directions each for one scan...
|
|
|
7482804 |
Superconducting quantum interference device
A superconducting magnetic field detection element ( 10 ) comprising at least one superconducting pick-up loop ( 12 ) formed on a common flexible substrate ( 11 ), wherein the common flexible...
|
|
|
7463025 |
Induced magnetic field detecting apparatus and an induced magnetic field detecting method
The induced magnetic field detecting apparatus of the present invention is configured so as to irradiate laser light onto an inspection target from the same side as the side on which a pickup coil...
|
|
|
7453263 |
Reference current optimizing apparatus for controlling magnetic flux-voltage conversion characteristic of double relaxation oscillation squid
A reference-current optimizing apparatus of a Reference Junction Double Relaxation Oscillation SQUID (RJ-DROS) with a signal SQUID and a reference junction for detecting a magnetic flux signal is...
|
|
|
7435970 |
Beam current meter
It is possible to simplify the cooling mechanism of a superconductor, significantly reduce the cost, simplify the measurement work, and reduce the time required for measurement. A beam current...
|
|
|
7432705 |
Magnetic shields and instruments for measuring biomagnetic fields
There is provided a magnetic shield which can shield external magnetic fields in the direction of an axis of a tubular magnetic shield and in the direction vertical to the axis. A magnetic shield...
|
|
|
7394246 |
Superconductive quantum interference device (SQUID) system for measuring magnetic susceptibility of materials
A superconductive quantum interference device (SQUID) system is provided for measuring the alternating current (AC) magnetic susceptibility of material at a single frequency or a mixing frequency...
|
|
|
7388371 |
Method for controlling characteristics of double relaxation oscillation SQUID with reference junction
The present invention relates to a method of controlling the characteristics of a double relaxation oscillation SQUID having a reference junction. In the method of controlling characteristics of a...
|
|
|
7365534 |
Apparatus for measuring magnetic fields using a superconducting quantum interference device
An instrument for measuring sub-pico Tesla magnetic fields using a superconducting quantum interference device (SQUID) inductively coupled to an unshielded gradiometer includes a filter for...
|
|
|
7355396 |
Apparatus for controlling and adjusting the magnetic state of a magnetic probe and the applications thereof
An apparatus for controlling and adjusting the magnetic state of a magnetic probe for detecting magnetic signals of a sample, it employs a negative feedback control unit to counter the change of...
|
|
|
7342396 |
Device for sensing a magnetic field
The device for sensing a magnetic field comprises a closed superconducting pick-up loop ( 1 ) having a path width (d) etched out of a single layer superconducting thin film and provided with a...
|
|
|
7339373 |
Magnetic shielding apparatus and biomagnetism measuring device
The object of the invention is to provide a biomagnetism measuring device using a high-performance cylindrical shielding apparatus provided with a flange-type plate having an opening formed on a...
|
|
|
7323869 |
Subranging scheme for SQUID sensors
A readout scheme for measuring the output from a SQUID-based sensor-array using an improved subranging architecture that includes multiple resolution channels (such as a coarse resolution channel...
|
|
|
7268563 |
Measurement of point contact Andreev-reflection characteristics of half-metallic thin films
An apparatus for measuring spin polarization via Point Contact Andreev Reflection (PCAR) at a magnet-superconductor junction, with variable magnetic fields and temperature control. A cryostat probe...
|
|
|
7268542 |
Scanning SQUID microscope having position noise compensation
A scanning SQUID microscope is set forth to provide improved output imaging. The SQUID microscope includes a vertically adjustable housing adapted to securely retain a SQUID loop or sensor. A...
|
|
|
7262597 |
Hybrid squid microscope with magnetic flux-guide for high resolution magnetic and current imaging by direct magnetic field sensing
A scanning microscope for high resolution current imaging by direct magnetic field sensing of a sample maintained in an ambient environment. The scanning microscope uses a magnetic sensor such as a...
|
|
|
7250758 |
Inspection method and apparatus using scanning laser SQUID microscope
A non-destructive method of narrowing down the location of a failure in a sample includes a first step of acquiring first and second images of magnetic-field distributions obtained by scanning a...
|
|
|
7248044 |
Magnetic flux measuring apparatus by hysteresis characteristic type digital FLL using counter system for squid
In a SQUID magnetometer, high resolution, a high slew rate, and a high dynamic range are achieved without using expensive circuit components having a large number of processing bits and enabling a...
|
|
|
7221156 |
Magnetic flow sensor comprising a magnetic field conductor and a hole diaphragm
The invention relates to a magnetic flow sensor ( 1, 21, 51 ) comprising a) a loop-shaped magnetic field conductor comprising a point ( 2, 22, 32, 52 ) which expands to form a bar or a film ( 3,...
|
|
|
7197352 |
High-resolution magnetoencephalography system, components and method
According to certain embodiments of the present invention, there is provided a mounting arrangement for a magnetoencephalography (MEG) system headrest assembly forming a portion of a SQUID dewar...
|
|
|
7193413 |
Magnetic field measurement apparatus
A magnetic field measurement apparatus which reduces an interference magnetic field entering into a pick-up coil is provided. The magnetic field measurement apparatus includes a superconducting...
|
|
|
7183766 |
Superconducting magnetic field generation apparatus and sputter coating apparatus
A superconducting magnetic field generating apparatus includes a superconducting body for generating a magnetic field below a critical temperature of the superconducting body, a thermal insulation...
|
|
|
7161352 |
Beam current measuring device and apparatus using the same
A beam current measuring device (BMD) capable of measuring beam current while radiating the beam on a target, such as a semiconductor wafer. The BMD at least includes: (a) a detecting part operable...
|
|
|
7130675 |
High-resolution magnetoencephalography system and method
According to certain embodiments of the present invention, there is provided a magnetoencephalography and method employing a portable cart having a SQUID dewar mounted in an inverted manner...
|
|
|
7116094 |
Apparatus and method for transmission and remote sensing of signals from integrated circuit devices
An apparatus and a method for testing semiconductor devices, such as individual integrated circuits in semiconductor chips, by directing a current in each circuit through a respective selected...
|
|
|
7106057 |
High frequency scanning SQUID microscope and method of measuring high frequency magnetic fields
A scanning SQUID microscope capable of high frequency magnetic field measurements uses a hysteretic SQUID detector and a pulsed sampling technique which permits to extend the bandwidth of the SQUID...
|
|
|
7095227 |
Superconducting driver circuit
To obtain a superconducting driver circuit which can obtain an output voltage of several millvolts or above, can use a DC power source as a driving power source, can form no capacitance between it...
|
|
|
7091718 |
System having unmodulated flux locked loop for measuring magnetic fields
A system ( 10 ) for measuring magnetic fields, wherein the system ( 10 ) comprises an unmodulated or direct-feedback flux locked loop ( 12 ) connected by first and second unbalanced RF coaxial...
|
|
|
7091717 |
Squid sensor using auxiliary sensor
A SQUID (Superconducting QUantum Interference Device) sensor using an auxiliary sensor, includes a SQUID sensing unit having a SQUID and a first feedback coil for creating a magnetic field at a...
|
|
|
7081747 |
System and method for characterizing a sample by low-frequency spectra
A method and apparatus for interrogating a sample that exhibits molecular rotation are disclosed. In practicing the method, the sample is placed in a container having both magnetic and...
|
|
|
7019521 |
Fault isolation of circuit defects using comparative magnetic field imaging
Circuit flaws in microelectronic circuitry present regions of high resistance in which a current distribution deviates from that of a defect-free circuit. The altered current distribution emits a...
|
|
|
7002341 |
Superconducting quantum interference apparatus and method for high resolution imaging of samples
A method and apparatus performs high resolution imaging. The disclosed apparatus includes a low temperature SQUID sensor mounted in close proximity to a dewar thin window. A radiation shield has an...
|
|
|
6995558 |
System and method for characterizing a sample by low-frequency spectra
A method and apparatus for interrogating a sample that exhibits molecular rotation includes placing the sample in a container having both magnetic and electromagnetic shielding, where Gaussian...
|
|
|
6992482 |
Magnetic field sensor having a switchable drive current spatial distribution
Magnetic field sensor probes are disclosed which comprise primary or drive windings having a plurality of current carrying segments. The relative magnitude and direction of current in each segment...
|
|
|
6984977 |
Scanning SQUID microscope with improved spatial resolution
A scanning SQUID microscope for acquiring spatially resolved images of physical properties of an object includes a SQUID sensor arranged in perpendicular to the plane of the object under...
|
|
|
6961605 |
Method for processing biomagnetic field data, magnetic field contour mapping, forming their waveforms and a biomagnetic instrument using the same
A method for processing biomagnetic fields generated by biocurrents resulting from activities of human brain or myocardia and its mapping apparatus are provided, which features biomagnetic...
|
|
|
6949926 |
Biomagnetic measurement apparatus
A biomagnetic measurement apparatus having functions to detect the release of a magnetic field lock in a SQUID fluxmeter operation circuit due to the influence of a much greater noise level than...
|
|
|
6917197 |
Device for adjusting an operating point of a magnetic field sensor
The invention relates to a device for setting an operating point of a magnetic field sensor having a periodic characteristic, in particular for a device for detecting a magnetic field and/or flux,...
|
|
|
6911820 |
Phase detection device, dial type detection device, and phase detection method
A phase detection device with low power consumption capable of accurately detecting that an object has moved, and returning from an intermittent energized mode to an always energized mode is...
|
|
|
6853185 |
Magnetic field measurement system
A magnetic field measurement system for canceling an external field is provided, in which plurality of sensing magnetometers ( 3 ) for measuring a magnetic field signal in a direction perpendicular...
|
|
|
6815949 |
Apparatus for measuring a magnetic field
An apparatus can detect a magnetic field with a high sensitivity using an ordinary-temperature pickup coil even when the pickup coil is arranged outside a cryostat. Specifically, the apparatus for...
|
|
|
6784663 |
Self-adjusting assembly and method for close tolerance spacing
A self-adjusting assembly and method are disclosed. In the disclosed embodiments, a support assembly for supporting a device comprises a pair of support members for supporting the device. One of...
|
|
|
6768300 |
Apparatus for measuring electromagnetic characteristics
An apparatus for measuring electromagnetic characteristics includes a sample rod with a sample fixed to a lower part thereof, a helium 3 refrigerator, in which the sample rod is inserted, having...
|
|
|
6762600 |
Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signal
A bounding box or volume of interest is flooded with a modulated AC electromagnetic signal from a source. Different types of modulated signals may be used, including single-tone AM and FM. One or...
|
|
|
6745063 |
Biomagnetic field measuring apparatus
A biomagnetic field measuring apparatus includes a plurality of SQUID magneto-meters for measuring a biomagnetic field generated from a living body, living-body signal measuring devices and for...
|
|
|
6735848 |
Method of manufacturing a superconducting magnet
Method of manufacture a wide bore, high field superconducting magnet. The superconducting magnet has a plurality of superconducting coils impregnated with epoxy and nested within each other. An...
|