公开(公告)号：US09921280B2

公开(公告)日：2018-03-20

申请号：US14446764

申请日：2014-07-30

Applicant: Korea Research Institute of Standards and Science

Inventor： Kiwoong Kim ,  Yong-ho Lee ,  Seong-Joo Lee ,  Kwon-Kyu Yu

IPC: A61B5/055 ,  G01R33/385 ,  G01R33/32 ,  G01R33/26 ,  G01R33/48 ,  A61B5/05 ,  G01R33/44

CPC classification number: G01R33/385 ,  A61B5/05 ,  A61B5/055 ,  G01R33/26 ,  G01R33/326 ,  G01R33/445 ,  G01R33/48 ,  G01R33/4806

Abstract: Provided are an ultra-low-field nuclear magnetic resonance device and an ultra-low-field nuclear magnetic resonance measuring method. The method includes applying a first measurement bias magnetic field corresponding to an excitation frequency of a coherent biomagnetic field generated in association with the electrophysiological activity of human body organs, applying a second measurement bias magnetic field having the same direction as the first measurement bias magnetic field and having a different magnitude than the first measurement bias magnetic field, and measuring a magnetic resonance signal generated in the human body by using magnetic field measuring means.

公开(公告)号：US09903927B2

公开(公告)日：2018-02-27

申请号：US13909564

申请日：2013-06-04

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Seong-min Hwang ,  Kiwoong Kim ,  Jin Mok Kim ,  Yong-Ho Lee ,  Chan Seok Kang ,  Kwon Kyu Yu ,  Seong-Joo Lee

IPC: G01V3/00 ,  G01R33/421 ,  A61B5/00 ,  A61B5/055 ,  G01R33/44

CPC classification number: G01R33/421 ,  A61B5/0046 ,  A61B5/055 ,  G01R33/445

Abstract: Provided are an apparatus and a method for canceling magnetic fields. The apparatus includes a magnetic field canceling coil disposed adjacent to an inner wall of a magnetic shield room to surround the entire inner space or a portion of an inner space of the magnetic shield room; and a magnetic field canceling coil driver to supply current to the magnetic field canceling coil. The magnetic field canceling coil cancels a prepolarization magnetic field established on the wall of the magnetic shield room by a prepolarization coil disposed in the center of the magnetic shield room to minimize magnetic interference caused by the magnetic shield room.

公开(公告)号：US09846262B2

公开(公告)日：2017-12-19

申请号：US15023397

申请日：2014-10-20

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Yong-Gyoo Kim ,  Byung Il Choi ,  Sang Bong Woo ,  Jong Cheol Kim ,  Sang Wook Lee

IPC: G01W1/18 ,  G01K15/00 ,  G01W1/02

CPC classification number: G01W1/18 ,  G01K15/007 ,  G01W1/02

Abstract: Disclosed therein are an inspection apparatus for a thermo-hygrometer based on phase change and methods for controlling and inspecting the same which can simultaneously inspect a thermometer and a hygrometer through a simple method using a phase change of reactants. The thermo-hygrometer based on phase change includes: reactants of at least two kinds; a plurality of cylinder type cells; a reactor body having a temperature sensor hole and a plurality of cell holes; a flow pipe in which a first gas circulates by a circulation pump; a relative humidity chamber which has a relative humidity sensor disposed therein; and a temperature control unit which is mounted below the reactor body, wherein when a phase change of a first reactant is induced, the relative humidity sensor is inspected based on the relative humidity of the first gas, and the temperature sensor is inspected based on the phase change temperature of the first reactant.

公开(公告)号：US09823312B2

公开(公告)日：2017-11-21

申请号：US14692258

申请日：2015-04-21

Applicant: Korea Research Institute of Standards and Science

Inventor： Kwon-Kyu Yu ,  Yong-Ho Lee ,  Kiwoong Kim ,  Hyukchan Kwon ,  Jin-Mok Kim ,  Sang-Kil Lee

IPC: F28F7/00 ,  G01R33/00 ,  A61B5/05 ,  G01R33/035 ,  G01R1/18 ,  H01L23/367 ,  H01L23/473 ,  H01L39/02 ,  A61B5/04

CPC classification number: G01R33/007 ,  A61B5/04005 ,  A61B5/05 ,  G01R1/18 ,  G01R33/035 ,  G01R33/0354 ,  H01L23/367 ,  H01L23/473 ,  H01L39/02 ,  H01L2924/0002 ,  H01L2924/00

Abstract: An apparatus and a method for indirectly cooling a superconducting quantum interference device (SQUID) are provided. The apparatus includes an outer container extending in a vertical direction; a metallic inner container inserted into the outer container to store a liquid coolant, the metal inner container including a top plate; a SQUID sensor module disposed between a bottom surface of the outer container and a bottom surface of the inner container; a heat transfer pillar adapted to cool the SQUID sensor module, the heat transfer pillar having one end connected to the bottom surface of the inner container and the other end directly or indirectly connected to the SQUID sensor module; a magnetic shield part formed of a superconductor covering a top surface of the SQUID sensor module; and a heat conduction plate being in thermal contact with the other end of the heat transfer pillar.

公开(公告)号：US09678023B2

公开(公告)日：2017-06-13

申请号：US14443026

申请日：2013-05-31

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Chang Soo Kim ,  Seok Min Bin

IPC: G01N23/207 ,  H01L21/66

CPC classification number: G01N23/207 ,  G01N2223/331 ,  G01N2223/6116 ,  H01L22/12

Abstract: Provided is a method of determining a surface orientation of a single crystal wafer. The method of determining a surface orientation of a single crystal wafer using high resolution X-ray rocking curve measurement may determine a surface angle of the wafer and a direction of the surface angle using rocking curve measurement of a high resolution X-ray diffraction method and measuring a misalignment angle formed by a rotation axis of a measuring apparatus and a surface normal of the wafer and an orientation of the misalignment angle.

公开(公告)号：US20170122798A1

公开(公告)日：2017-05-04

申请号：US15129504

申请日：2015-04-10

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Wan Sup Cheung ,  Kyung Min Baik

IPC: G01H9/00

CPC classification number: G01H9/00 ,  G01B9/02081 ,  G01B9/02083 ,  G01M7/025 ,  G01M7/027

Abstract: The present invention is aimed at providing measurement method for vibration displacement using state variation principle which achieves real time implementation through super high-speed DSP or FPGA as well as improves precision as much as picometer level and at the same time saves memory capacity compared to conventional invention.

公开(公告)号：US20170059745A1

公开(公告)日：2017-03-02

申请号：US15120040

申请日：2015-05-21

Applicant: Korea Research Institute of Standards and Science

Inventor： Yong-Gyoo KIM ,  Byung Il CHOI ,  Sang Wook LEE ,  Jong Cheol KIM ,  Sang Bong WOO ,  Dae Ho KIM

IPC: G01W1/11 ,  G01W1/08

CPC classification number: G01W1/11 ,  G01D11/24 ,  G01N27/4077 ,  G01W1/08

Abstract: A humidity sensor of a sensing unit in a radiosonde of an aerological observation system has a dual cap that surrounds the humidity sensor. The dual cap includes an outer cap having a first ventilation hole formed on top thereof, a first air circulation door formed on the side periphery thereof to pass air therethrough, and a first wall formed on the side periphery thereof to close the flow of air. An inner cap is located inside the outer cap in such a manner as to be fixed to the outer cap and has a second air circulation door formed on the side periphery thereof to pass air therethrough. The second air circulation door faces the first wall of the outer cap.

Abstract translation: 在气象观测系统的无线电探空仪中的感测单元的湿度传感器具有围绕湿度传感器的双盖。 双盖包括：外盖，其具有形成在其顶部的第一通风孔，形成在其侧面上的空气通过其中的第一空气循环门，以及形成在其侧边上的第一壁以封闭空气流。 内盖位于外盖的内侧，以固定在外盖上并具有形成在其外周上的第二空气循环门以使空气通过。 第二个空气循环门面向外盖的第一个壁。

公开(公告)号：US20170052210A1

公开(公告)日：2017-02-23

申请号：US15238326

申请日：2016-08-16

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Byong Chon PARK ,  DalHyun KIM ,  ChaeHo SHIN

IPC: G01Q20/00

CPC classification number: G01Q60/32 ,  G01Q10/065

Abstract: Provided is a measuring method for an atomic force microscope that scans a surface of a sample with a probe to measure a surface property of the sample, the measuring method including detecting a motion of the probe while vibrating the probe on the surface of the sample, acquiring surface information on the sample by using a variation in the motion of the probe, and controlling the probe by using the surface information on the sample. The surface information on the sample may include a position and a slope of the surface. The vibrating of the probe on the surface of the sample may include performing a circular motion by the probe around axes perpendicular to a scan direction of the probe and to a height direction of the sample.

Abstract translation: 本发明提供一种原子力显微镜的测定方法，该原子力显微镜使用探针对样品的表面进行扫描，以测量样品的表面性质，所述测量方法包括在使样品表面上的探针振动的同时检测探针的运动， 通过使用探针的运动的变化来获取样品上的表面信息，并且通过使用样品上的表面信息来控制探针。 样品上的表面信息可以包括表面的位置和斜率。 探针在样品表面上的振动可以包括通过探针围绕垂直于探针的扫描方向的轴线和样品的高度方向执行圆周运动。

公开(公告)号：US09377515B2

公开(公告)日：2016-06-28

申请号：US13457130

申请日：2012-04-26

Applicant: Jin Mok Kim ,  Young Ho Lee ,  Hyukchan Kwon ,  Ki Woong Kim ,  Kwon Kyu Yu

Inventor： Jin Mok Kim ,  Young Ho Lee ,  Hyukchan Kwon ,  Ki Woong Kim ,  Kwon Kyu Yu

IPC: G01R33/02 ,  G01R33/035

CPC classification number: G01R33/0354 ,  G01R33/035

Abstract: Provided are a flux-locked loop circuit, a flux-locked loop method and a superconducting quantum interference device (SQUID) measuring apparatus. The flux-locked loop circuit includes a pre-amplifier configured to amplify a signal output of a SQUID, an integrator configured to integrate a signal output from the pre-amplifier and output the integrated signal, an operating range expanding unit configured to initialize the integrator by comparing an output signal of the integrator with a positive or negative reference reset voltage corresponding to an external flux of a predetermined integral multiple of flux quantum, and a feedback circuit configured to supply current to eliminate a difference between the external flux applied to the SQUID and a magnetic flux corresponding to an integral multiple of the reference reset voltage according to the output signal of the integrator.

Abstract translation: 提供了一种磁通锁定环路电路，一个磁通锁定环路方法和一种超导量子干涉装置（SQUID）测量装置。 磁通锁定环电路包括：前置放大器，被配置为放大SQUID的信号输出;积分器，被配置为积分从前置放大器输出的信号并输出​​积分信号;工作范围扩展单元，被配置为初始化积分器 通过将积分器的输出信号与对应于预定的通量量子的整数倍的外部通量的正或负参考复位电压进行比较，以及反馈电路，被配置为提供电流以消除施加到SQUID的外部通量之间的差 以及根据积分器的输出信号对应于基准复位电压的整数倍的磁通量。

公开(公告)号：US09362096B2

公开(公告)日：2016-06-07

申请号：US14655845

申请日：2013-12-26

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Kyoung-Seok Lee ,  In Jung Kim ,  Sung-Pil Jo ,  Hyung Sik Min ,  Yong Hyeon Yim ,  Joung Hae Lee ,  Eui Jin Hwang

IPC: H01J49/04 ,  G01N27/62 ,  G01N27/70 ,  H01J49/00

CPC classification number: H01J49/0422 ,  G01N27/62 ,  G01N27/70 ,  H01J49/00

Abstract: Provided is a combustion pretreatment-isotope dilution mass spectrometry measuring concentration of a target element for detection contained in a target sample for detection by using an isotope dilution mass spectrometry, including: pretreating the target sample for detection by combustion during an isotope dilution mass spectrometry, to thereby stabilize an isotope and further improve analysis ability, and therefore, the present invention is expected to be utilized as an element analysis method surpassing accuracy of the existing mass spectrometry method.

Abstract translation: 本发明提供一种通过使用同位素稀释质谱法来测定用于检测的目标样品中所含检测用的检测对象元素的浓度的燃烧预处理同位素稀释质谱法，其包括：在同位素稀释质谱法中，通过燃烧预处理所述检测用样品， 从而稳定同位素，进一步提高分析能力，因此，本发明有望用作超过现有质谱法精度的元素分析方法。