| Patent Number |
Title Of Patent |
Date Issued |
| 7241997 |
Superconducting X-ray detection apparatus and superconducting X-ray analyzer using the apparatus |
July 10, 2007 |
| A superconducting X-ray detection apparatus has a refrigerator, a cooling head cooled by the refrigerator, and a stacked structure connected to an end portion of the cooling head. The stacked structure comprises a sensor holder, a low-temperature first-stage amplifier connected to the se |
| 6810679 |
Cooling apparatus and squid microscope using same |
November 2, 2004 |
| A cooling apparatus has a storage vessel for storing a liquefied gas and an evaporated gas produced by evaporation of the liquefied gas, a cooling head cooled by the evaporated gas to approximately a boiling temperature of the liquefied gas, piping for conveying the evaporated gas from t |
| 6552537 |
Superconductive quantum interference element |
April 22, 2003 |
| In a superconductive quantum interference element comprising Josephson joints, a washer coil and a detecting coil constituting a superconductive loop and a feedback modulation coil, to provide a superconductive quantum interference element capable of promoting spatial resolution by preve |
| 6474079 |
Cooling apparatus |
November 5, 2002 |
| A cooling apparatus has a liquid helium container for containing liquid helium, a vacuum chamber for providing heat insulation to external air, and a cooling head disposed in the vacuum chamber and capable of cooling down to a temperature region corresponding to the melting point of the |
| 6323645 |
Superconducting quantum interference device |
November 27, 2001 |
| A superconducting quantum interference device is provided which can accurately measure only a magnetic field detected by a detection coil where the superconducting quantum interference device is used for a fluxmeter. A superconductor for enclosing a loop to be formed by a washer coil |
| 6111405 |
Nondestructive method of quantitatively evaluating degree of plasticity of steel material |
August 29, 2000 |
| In a nondestructive method of quantitatively evaluating a degree of plasticity of ferromagnetic materials, a magnetic field of a surface of a ferromagnetic test body is measured using a magnetic sensor, and the surface of the ferromagnetic test body is partitioned into regions corres |
| 6025713 |
Superconducting quantum interference device and non-destructive evaluation apparatus using the s |
February 15, 2000 |
| A detecting coil of a SQUID is made of a superconductive film material having a critical temperature higher than a critical temperature of a superconductive film material composing a Josephson junction part. It is possible to measure the sample even when its temperature is higher than |
| 5982172 |
Method of detecting plastic deformation in steel using a differential type magnetic field sensor |
November 9, 1999 |
| To provide an effective method of nondestructively and easily judging plasticization of steel used in a real construction. A magnetic sensor 10 is made to scan along the surface of steel to detect a magnetic field caused by a magnetic anisotropy induced by plastic deformation of the |
| 5854492 |
Superconducting quantum interference device fluxmeter and nondestructive inspection apparatus |
December 29, 1998 |
| A nondestructive inspection apparatus having a SQUID is made with compact configuration and is capable of detecting a metallic or non-metallic metal for defects, corrosion, and the like, by forming the SQUID and a magnetic field applying coil on the same substrate. The SQUID comprises tw |
| 5834938 |
Nondestructive inspection apparatus with superconducting magnetic sensor |
November 10, 1998 |
| To provide a nondestructive inspection apparatus with a reduced distance between a superconducting magnetic sensor and an object under inspection, a cryostat for cooling the sensor to a superconducting state is provided with inner and outer vessels. The inner vessel has a baseplate on wh |
| 5825182 |
Nondestructive testing system using a SQUID |
October 20, 1998 |
| In order to enhance the sensitivity of a nondestructive testing system, a pair of superconducting coils are disposed in the same plane such that a current flowing through the respective coils when exposed to a uniform magnetic field cancels out. As a result of this configuration, the |
| 5329229 |
Magnetic field detection coils with superconducting wiring pattern on flexible film |
July 12, 1994 |
| Superconducting detection coils for a superconducting quantum interference device are foraged on a flexible printed wiring film having a pair of opposed edges. The flexible printed wiring film is capable of being shaped into a cylinder by bringing the opposed edges toward each other. A |
| 5280242 |
Apparatus for detecting a fine magnetic field with characteristic testing function of a DC squid |
January 18, 1994 |
| An apparatus for detecting a fine magnetic field comprises a DC SQUID which detects and converts a magnetic field to an electrical signal. A flux locked looped circuit drives the DC SQUID. The flux locked loop circuit includes an amplifier for amplifying the electrical signal. A phase |
| 5231353 |
Apparatus for detecting a fine magnetic field with a signal adjusting circuit in a DC squid |
July 27, 1993 |
| A DC superconducting quantum interference device has a superconductive ring and a feedback modulation coil for detecting a magnetic field. A variable bias current is applied to the superconductive ring and a modulating signal is applied to the feedback modulation coil. A signal change-ov |
