Patents Assigned to Korea Research Institute of Standards and Science
  • Publication number: 20170014788
    Abstract: Disclosed is a method for preparing a stable fluid mixture by mixing hydrophilic and hydrophobic substances using ultrasound wherein homogeneous dispersion and mixing are possible so that dispersibility is greatly improved and separation between the hydrophilic and hydrophobic substances is minimized even after a long time.
    Type: Application
    Filed: August 29, 2014
    Publication date: January 19, 2017
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Min Cheol CHU, Seon Ae HWANGBO, Sae Won YOON
  • Patent number: 9541377
    Abstract: Provided is an apparatus for real-time non-contact non-destructive thickness measurement using a terahertz wave, and more particularly, an apparatus for real-time non-contact non-destructive thickness measurement using a terahertz wave, which is capable of measuring a thickness of a sample by irradiating a terahertz continuous wave, which is generated from a wavelength-fixed laser and a wavelength-swept laser and of which the frequency is changed at a high speed, to the sample and measuring the terahertz wave transmitting or reflected from the sample.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: January 10, 2017
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Dae-Su Yee, Ji Sang Yahng
  • Publication number: 20160376638
    Abstract: The present invention relates to utilization of an artificially synthesized nucleic acid, and more particularly, to a quantitative analysis method capable of quantitatively adjusting gene-based microbial community analysis results by preparing a microorganism 16S rDNA gene, which has a single nucleotide polymorphism (SNP) at a particular location so as to be differentiated from a gene of a target microorganism on the nucleotide sequence, and then using the microorganism 16S rDNA gene as an internal standard material which is quantifiable through nucleotide sequencing.
    Type: Application
    Filed: November 18, 2014
    Publication date: December 29, 2016
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Inchul Yang, Hannah Yu, Hyo-jin Yang, Sook-Kyung Kim, Sang-Ryoul Park
  • Patent number: 9523661
    Abstract: Provided is a method of locating a damage source of a wind turbine blade for tracking a damage source location of a blade used in a wind power generator, and more particularly, a method of locating a damage source of a wind turbine blade and an apparatus thereof in a large composite material structure capable of accurately locating a damage source even in a large composite material structure by detecting defects using contour maps written based on elastic wave energy value. The method of locating a damage source of the wind turbine blade according to the present invention can accurately locate the damage source even in the large composite material structure using at least two materials unlike the related art and can use a smaller number of AE sensor than the related art.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: December 20, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Dong Jin Yoon, Byeong Hee Han, Young Joo Kim
  • Patent number: 9520211
    Abstract: Provided are a method of forming an upper electrode of a nanowire array and a nanowire array having an upper electrode formed thereon. The method includes a step of placing a polymeric thin film layer, a step of pressing, a step of treating a mixed solution, a step of etching, and a step of depositing an electrode material, such that the upper electrode is reliably formed in a state in which the polymeric thin film layer is formed on a portion of the nanowire, thereby making it possible to implement various nano-devices based on the nanowire array aligned on a substrate having a large area.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: December 13, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Woo Lee, Hee Han
  • Patent number: 9512492
    Abstract: A method of manufacturing a reference material for determining incorporation of a genetically modified (GM) plant into a sample or analyzing a mixing ratio from a tissue-cultured cell line that is obtained by incubating tissues of either a GM plant or a non-GM plant, and a method of determining incorporation of a GM plant into a sample and analyzing a mixing ratio using the reference material are provided. The reference material for determining the incorporation of a genetically modified (GM) plant a sample or analyzing a mixing ratio using the tissue-cultured cell lines that are obtained by incubating tissues of the GM plant and the non-GM plant can be useful in producing a countless number of populations having the same genetic traits via the tissue culture. Thus, when a culture capacity of the reference material is increased to a large volume, it is possible to obtain a large volume of the reference material having uniform qualities with no quality variation between batches.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: December 6, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyong Ha Kim, Woo Jeong Kim, Jung Keun Suh
  • Patent number: 9497017
    Abstract: Provided is signal processing device including superconducting quantum interference device (SQUID) sensors configured to sense a signal for each of a plurality of channels, analog to digital converters (ADC) configured to convert analog signals input to a predetermined number of channels from the SQUID sensors into digital signals by using a clock signal, local oscillators corresponding to the ADCs, respectively and configured to generate the clock signal having a reference clock frequency for an operation of a corresponding ADC, and a controller configured to the local oscillators to enable the reference clock frequency to have a frequency beyond a frequency range available to the SQUID sensor.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: November 15, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Jin-Mok Kim, Hyukchan Kwon, YongHo Lee, Ki Woong Kim, Kwonkyu Yu
  • Publication number: 20160285231
    Abstract: The present invention relates to a nanosecond pulse laser device. The nanosecond pulse laser device of the present invention comprises: a light source which outputs a nanosecond pulse laser beam; a lens which focuses the laser beam; a Raman shift optical fiber which generates pulse lasers corresponding to a plurality of wavelengths through stimulated Raman scattering of the focused laser beam; a wavelength divider which divides, from among the pulse lasers, the pulse lasers of a predetermined wavelength; an optical switch which selects the pulse lasers outputted from the wavelength divider to mutually alternate the wavelengths in response to a switch control signal which is applied from the outside; and a wavelength combiner which combines and outputs the pulse lasers whose wavelengths are alternatively outputted from the switch.
    Type: Application
    Filed: July 8, 2014
    Publication date: September 29, 2016
    Applicants: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE, PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION
    Inventors: SANG-WON LEE, Jae Yong LEE, Eun-Seong LEE, Changseok KIM, Gukbin LIM
  • Publication number: 20160278734
    Abstract: In a medical phantom using a plurality of unit blocks related to an example of the present invention, the plurality of unit blocks includes a first unit block of a hexahedron shape with an empty interior; and a second unit block of a hexahedron shape with an empty interior, having a plurality of ridges formed on a top and a plurality of furrows formed on a bottom to be combined with the plurality of ridges, and the medical phantom is determined according to a combination form of the first unit block and the second unit block.
    Type: Application
    Filed: September 10, 2013
    Publication date: September 29, 2016
    Applicant: Korea Research Institute of Standards and Science
    Inventors: Cheol Pyo Hong, Dong Hoon Lee, Bong Yong Ahn, Hyo-Min Cho
  • Patent number: 9425336
    Abstract: Provided is a photo active layer for a solar cell or a light emitting diode and a fabricating method thereof. The photo active layer is formed by alternately stacking silicon quantum dot layers in which a plurality of silicon quantum dots containing conductive type impurities are formed in a medium, which is a silicon compound, and conductive layers, which are polycrystalline silicon layers, containing the same conductive type impurities as those of the silicon quantum dots.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: August 23, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Kyoung Joong Kim, Seung Hui Hong, Jae Hee Park, Jong Shik Jang
  • Patent number: 9425022
    Abstract: Disclosed herein are a monochromator and a charged particle beam apparatus including the same. The monochromator may include a first electrostatic lens configured to have a charged particle beam discharged by an emitter incident on the first electrostatic lens, refract a ray of the charged particle beam, and include a plurality of electrodes and a second electrostatic lens spaced apart from the first electrostatic lens at a specific interval and configured to have a central axis disposed identically with a central axis of the first electrostatic lens, have the charged particle beam output by the first electrostatic lens incident on the second electrostatic lens, refract the ray of the charged particle beam, and comprise a plurality of electrodes. Accordingly, there is an advantage in that a charged particle beam can have an excellent profile even after passing through the monochromator.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 23, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Takashi Ogawa, Bok Lae Cho, Sang Jung Ahn, In Yong Park, Cheolsu Han
  • Publication number: 20160209547
    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.
    Type: Application
    Filed: October 20, 2014
    Publication date: July 21, 2016
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Yong-Gyoo KIM, Byung II CHOI, Sang Bong WOO, Jong Cheol KIM, Sang Wook LEE
  • Patent number: 9389322
    Abstract: An apparatus for detecting a radiation source includes a collimator configured to have an optical path for converging radiation formed therein, a radiation sensor provided at the end of the optical path and configured to measure the intensity of radiation incident on the optical path, a rotation driving unit connected to the collimator and configured to rotate the collimator up and down and left and right, movement means configured to move the collimator and the rotation driving unit along the surface of land, a position tracking unit provided within the collimator and configured to track a current position and to measure a distance moved by the movement means, and a radiation position information processing unit configured to obtain direction information and information about the distance to the radiation source based on a maximum intensity of radiation, measured by the radiation sensor, and the movement distance.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: July 12, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Pil Jae Oh, Sae Won Yoon, Kook Jin Chun
  • Patent number: 9377515
    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.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: June 28, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Jin Mok Kim, Young Ho Lee, Hyukchan Kwon, Ki Woong Kim, Kwon Kyu Yu
  • Patent number: 9362096
    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.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: June 7, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Kyoung-Seok Lee, In Jung Kim, Sung-Pil Jo, Hyung Sik Min, Yong Hyeon Yim, Joung Hae Lee, Eui Jin Hwang
  • Publication number: 20160138102
    Abstract: Provided is a standard plasmid for assaying a genetically modified plant, a method for quantitatively analyzing a target transgene within the genetically modified plant using the standard plasmid, and a kit for quantitatively analyzing the genetically modified plant including the standard plasmid, wherein the standard plasmid of the present invention is possible to be utilized for assaying a genome containing a 5-enoyl-4-pyruvylshikimate-3-phosphate synthase (EPSPS) gene or a cry1Ab gene, and in particular, significantly useful as a standard material capable of analyzing whether the genetically modified plant such as soybean RRS or GM maize MON810 is incorporated or an incorporation ratio thereof.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 19, 2016
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyong Ha KIM, Woo Jeong KIM, Su Kyung LEE, Jung Keun SUH, Young Hye SEO
  • Patent number: 9331841
    Abstract: Provided is a data synchronization apparatus. The data synchronization apparatus includes a signal conversion block converting individual serial digital signals into parallel digital signals in response to a load signal and converting the parallel digital signals into synchronized serial digital signals in response to a synchronization load signal which does not overlap the load signal, a clock/load signal generator outputting a reference load signal for generating the synchronization load signal to the signal conversion block, a multiplexer multiplexing the synchronized serial digital signals, and a first serial-to-parallel (S/P) converting the multiplexed signal into parallel signals.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 3, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Jin Mok Kim, Hyukchan Kwon, Yong Ho Lee, Ki Woong Kim
  • Patent number: 9322838
    Abstract: Provided are a superconducting accelerometer, an acceleration measurement device, and an acceleration measurement method. The superconducting accelerometer includes a test mass including a rod-shaped body part, a disc-shaped coupling part connected to the body part, the test mass being made of a superconductor; a solenoid levitation coil disposed to surround a portion of the body part and adapted to magnetically levitate the test mass, the solenoid levitation coil being made of a superconductor; a measurement superconductor coil disposed at at least one side of an upper portion and a lower portion of the coupling part; and a SQUID sensor adapted to detect current depending on variation of a distance between the test mass and the measurement superconductor coil.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: April 26, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventor: In-Seon Kim
  • Patent number: 9322721
    Abstract: The present invention is effective in that automatically corrected temperature can be measured using one light source and one optical detector.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: April 26, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Il Bum Kwon, Dong Jin Yoon, Dusun Hwang
  • Patent number: 9310337
    Abstract: Provided is a non-destructive inspection device for pressure containers using leakage-flux measurement, including: a coil winding mount disposed at one side on an outside of the pressure container to magnetize the pressure container; a sensor support provided with a plurality of magnetic field sensing sensors arranged at the other side on the outside of the pressure container; a yoke magnetizing the pressure container to generate a magnetic flux in a direction vertical to a direction of the magnetic flux generated by the coil winding mount; an endoscope attached with at least one magnetic field sensing sensor, and the like.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: April 12, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Kwon Sang Ryu, Soo Young Park, Yun-Hee Lee, Seung Hoon Nahm, Un Bong Baek