Patents Assigned to Korea Research Institute of Standard and Science
  • Patent number: 10381125
    Abstract: Provided is a method of preparing a thin film structure having anisotropic, transparent, electroconductive, flexible properties. The method of preparing a thin film structure includes providing a growth substrate; growing silver nanolines on the growth substrate by using a lightning-rod effect; molding the silver nanolines by using a polymer; and separating the silver nanolines molded by the polymer from the growth substrate to form a freestanding anisotropic, transparent, electroconductive, and flexible thin film.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: August 13, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Jae Yong Song, Sun Hwa Park, Hyun Min Park
  • Patent number: 10353114
    Abstract: A dual cap for protecting a humidity sensor of a radiosonde of an aerological observation system includes an outer cap and an inner cap. The dual cap surrounds the humidity sensor. The outer cap has an outer ventilation hole formed in its top, and an outer air circulation opening formed in its side periphery. The side periphery of the outer cap also has a first wall that acts as a barrier to air flow. The inner cap is affixed to and is disposed inside of the outer cap. A ceiling of the inner cap faces the outer ventilation hole so as to impose a barrier to air flow. The inner cap further has an inner ventilation hole in its top and an inner air circulation opening formed in its side periphery. The inner air circulation opening faces the first wall of the outer cap.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: July 16, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Yong-Gyoo Kim, Byung Il Choi, Sang Wook Lee, Jong Cheol Kim, Sang Bong Woo, Dae Ho Kim
  • Patent number: 10337911
    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.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: July 2, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Wan Sup Cheung, Kyung Min Baik
  • Patent number: 10327731
    Abstract: A medical phantom is an object that models at least a part of the human body by using unit blocks, wherein the unit blocks include: a first unit block having a hexahedral shape of which the inside is empty; and a second unit block. The second unit block has a shape, of which the inside is empty, different from the hexahedral shape The second unit block also has ridges formed at the upper end thereof for stud-and-tube coupling, and has furrows formed at the lower end thereof and enabled to be coupled to the ridges.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: June 25, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Cheol Pyo Hong, Bong Young Ahn, Hyo-Min Cho
  • Patent number: 10317334
    Abstract: The present invention relates to an optical element rotation type ellipsometer, and more particularly, to an ellipsometer used to measure Mueller-matrix components of a sample by measuring and analyzing a change in a polarization state of light reflected or transmitted by the sample. According to the exemplary embodiment of the present invention, it is possible to provide the achromatic rotating-element ellipsometer and the method for measuring Mueller-matrix elements of a sample using the same capable of measuring the Mueller-matrix elements of the anisotropic sample as well as the isotropic sample by using four polarizers.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: June 11, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Yong Jai Cho, Won Chegal, Hyun Mo Cho
  • Patent number: 10309011
    Abstract: The present invention relates to a method for preparing a two-dimensional transition metal dichalcogenide and, more particularly, to a method for preparing a highly uniform two-dimensional transition metal dichalcogenide thin film. More specifically, the present invention is directed to a preparation method for a highly uniform two-dimensional transition metal dichalcogenide thin film at low temperature of 500° C. or below.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 4, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Sang Woo Kang, Ji Hun Mun
  • Patent number: 10312049
    Abstract: A vacuum sample chamber for a particle and optical device includes on one surface thereof, an aperture through which a particle beam to be focused along an optical axis of particles such as electrons, ions and neutral particles is incident; and on the opposite surface thereof, a detachable sample holder through which light penetrates, thereby enabling a sample to be observed and analyzed by means of the particle beam and light. A sample chamber is capable of reducing observation time by maintaining a vacuum therein even when a sample is put into or taken out from a sample chamber of an electron microscope or focused ion beam observation equipment, and capable of obtaining an optical image on the outside thereof without inserting a light source or an optical barrel into the sample chamber. A light-electron fusion microscope comprising the sample chamber.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: June 4, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Bok Lae Cho, Sang Jung Ahn, Inho Sul
  • Publication number: 20190154502
    Abstract: The present invention relates to an electron beam apparatus including a monochromator in which cylindrical electrostatic lenses for deflecting a path of an electron beam in the lenses are arranged symmetrically and an aperture including a plurality of selectable slits is disposed therebetween to be able to select an electron beam having a specified energy range. The electron beam apparatus has a monochromator having high resolution and excellent stability and maintainability by disposing slits and circular openings in one aperture part in parallel arrangement, thereby improving spatial resolution and energy resolution.
    Type: Application
    Filed: May 20, 2016
    Publication date: May 23, 2019
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Takashi OGAWA, Ju Hwang KIM
  • Patent number: 10283339
    Abstract: The present invention relates to a particle beam mass spectrometer and particle measurement method by means of same. More particularly, the present invention relates to a particle beam mass spectrometer including: a particle focusing unit focusing a particle beam induced by gas flow; an electron gun forming a charged particle beam by accelerating thermal electrons to ionize the particle beam focused by the particle focusing unit; a deflector deflecting the charged particle beam according to kinetic energy to charge ratio; and a sensing unit measuring a current induced by the deflected charged particle beam, wherein the deflector includes at least one particle beam separation electrode provided at each of opposite sides with respect to a progress axis of the charged particle beam before being deflected.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: May 7, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Chang Joon Park, Sang Jung Ahn, Cheolsu Han, Keu Chan Lee, Seok Rae Yoon
  • Patent number: 10274473
    Abstract: The present invention relates to a sensor for sensing hydrogen. The sensor of the present invention comprises: a core which reacts with hydrogen to change a resistance value; at least two electrodes connected to the core; and a variable resistor which is connected to at least one of the two electrodes and of which the resistance value changes in response to a control signal, wherein the core includes palladium having a thin film shape, and graphene which is applied on the palladium and has a thin film shape.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: April 30, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: SeungHoon Nahm, Un Bong Baek, Seok Cheol Lee, InHyun Cheong
  • Patent number: 10253378
    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: Grant
    Filed: November 18, 2014
    Date of Patent: April 9, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Inchul Yang, Hannah Yu, Hyo-jin Yang, Sook-Kyung Kim, Sang-Ryoul Park
  • Patent number: 10233561
    Abstract: An electrostatic levitation crystal growth apparatus for a solution and a crystal growing method using the same. The apparatus may include an upper electrode, a lower electrode vertically spaced apart from the upper electrode, a power supply unit configured to apply a vertical electrostatic field between the upper electrode and the lower electrode, and a droplet dispenser configured to eject a solution into a region between the upper and lower electrodes and thereby to form a solution droplet. The solution droplet may be maintained in a charged state and may be electrostatically levitated against the gravity exerted thereon, by the vertical electrostatic field. The solution droplet may be evaporated in the electrostatically levitated state, and a solute dissolved in the solution may be grown to form a crystal.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: March 19, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Geun-Woo Lee, Soo Heyong Lee
  • Patent number: 10225019
    Abstract: A digital adjusting signal for adjusting a multi-channel SQUID system is transmitted only to a control circuit module including a SQUID channel selected in an embodiment of the present invention and not transmitted to other modules. Accordingly, the digital adjusting signal is prevented from flowing into all SQUID adjusting channels to minimize noise generated by the digital adjusting circuit of the SQUID channel and to stably control the SQUID sensor without malfunction.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: March 5, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARD AND SCIENCE
    Inventors: Jin Mok Kim, YongHo Lee, Hyukchan Kwon, Ki Woong Kim, KwonKyu Yu
  • Patent number: 10222695
    Abstract: Provided is a method for manufacturing a transparent substrate according to an exemplary embodiment of the present invention including: a) forming a photoresist layer satisfying D=m*(?/2n); b) manufacturing a ring-shaped pattern by exposing the photoresist layer and developing the exposed photoresist layer, using a photo mask including a transparent base and a plate-type metal dot formed contacting a light emitting surface of the transparent base; c) manufacturing a second mold to which the ring-shaped pattern is reversely transferred by using a substrate on which the ring-shaped pattern is formed as a first mold; and d) manufacturing the transparent substrate in which a ring-shaped transparent protrusion is integrally formed with the transparent base by filling a liquefied transparent resin in the second mold and curing the transparent resin and removing the second mold to transfer the ring-shaped pattern.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: March 5, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventor: Eun-Ah You
  • Patent number: 10222204
    Abstract: Provided is a high-speed 3D imaging system using continuous-wave THz beam scan, and more particularly, a high-speed 3D imaging system using continuous-wave THz beam scan capable of acquiring a 3D image for a sample at a high speed and high precision by measuring a signal reflected from a sample using the continuous-wave THz beam generated from a wavelength-fixed laser and a wavelength-swept laser and having a frequency varying at a high speed to obtain depth direction information on a sample and performing a 2D scan on the sample using a THz beam scanner.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: March 5, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Ji Sang Yahng, Dae-Su Yee
  • Patent number: 10191081
    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.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: January 29, 2019
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Byong Chon Park, DalHyun Kim, ChaeHo Shin
  • Publication number: 20190015348
    Abstract: Provided is a nanoparticle-vitreous body-based protein complex, and more particularly, to a composition for inhibiting angiogenesis which includes the complex as an active ingredient, and a composition for preventing or treating an angiogenesis-related disease or a retinal disease. When the nanoparticle-vitreous body-based protein complex according to the subject matter is locally injected into the vitreous body, the complex exhibits significantly excellent binding strength with a vascular endothelial growth factor and thus can inhibit angiogenesis, thus being easily used to prepare a therapeutic agent for preventing, alleviating, or treating retinal and choroidal angiogenesis-related diseases.
    Type: Application
    Filed: July 12, 2016
    Publication date: January 17, 2019
    Applicants: SEOUL NATIONAL UNIVERSITY R & DB FOUNDATION, KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Jeong Hun KIM, Dong Hyun JO, Tae Geol LEE
  • Patent number: 10162028
    Abstract: Provided is a low magnetic field and ultra-low magnetic field NMR and MRI apparatus. The low magnetic field and ultra-low magnetic field NMR and MRI apparatus includes a SQUID sensor and a prepolarization magnetic field coil. The prepolarization magnetic field coil generates a prepolarization magnetic field to polarize a sample. The prepolarization magnetic coil generates a counter pulse in a direction opposite to that of the prepolarization magnetic field immediately before or immediately after the prepolarization magnetic field is generated. The counter pulse demagnetizes wanted magnetization including that of the prepolarization magnetic field coil itself.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: December 25, 2018
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Seong-min Hwang, Kiwoong Kim, Kwon-Kyu Yu, Seong-Joo Lee, Jeong-Hyun Shim
  • Patent number: 10145876
    Abstract: Provided is an electromagnetic wave power sensing apparatus. The electromagnetic wave power measuring apparatus includes a waveguide to which electromagnetic wave power is incident, an electromagnetic wave absorber disposed at a termination of the waveguide and absorbing the electromagnetic wave power incident to a front surface of the electromagnetic wave absorber, parallel plates disposed at a rear of the electromagnetic wave absorber and arranged on and under a center line of the waveguide, a waveguide guide for fixing the waveguide and the electromagnetic wave absorber, wherein the parallel plates are positioned in the waveguide guide, an electro-optic element configured to sense the electromagnetic wave power, an electro-optic element fixer to which the electro-optic element is coupled, and a movement guide coupled to the electro-optic element fixer and controlling movement of the electro-optic element into the inside of the waveguide guide in order to sense the electromagnetic wave power.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 4, 2018
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Jae-Yong Kwon, Dong-Joon Lee
  • Patent number: 10147789
    Abstract: The present invention relates to a method for manufacturing a GaAs semiconductor nanowire in a bottom-up type and, more particularly, to a method for manufacturing a vertically-aligned gallium arsenide semiconductor nanowire array in a large area by applying a voltage and a current from the outside using a metal thin film, which has been made through an economical method of fabricating a mesh-type metal thin film in a large area, as an anode such that holes (h+) are injected into a gallium arsenide substrate, thereby inducing a wet etching process continuously. The obtained vertically-aligned gallium arsenide semiconductor nanowire of a large area can be applied to fabrication of nanoelements, such as a solar cell, a transistor, and a light-emitting diode.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 4, 2018
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Woo Lee, Jeong Ho Shin