Patents Assigned to Korea Research Institute of Standard and Science
  • Patent number: 11932542
    Abstract: A large-area wrinkled graphene substrate capable of being manufactured in a large-area, and a method for manufacturing the same is provided. A method for manufacturing a wrinkled graphene substrate includes: i) providing a graphene unit; ii) inserting a carrier film and a graphene unit between a pair of rolls and rotating the pair of rolls in opposite directions to attach a carrier film on the graphene unit, iii) immersing the graphene unit in an etching solution to provide graphene, iv) between a pair of rolls, graphene and poly(4-styrene sulfonic acid)/polystyrene (PSS/PS) substrate attaching graphene onto the PSS/PS substrate, v) attaching an ethylene vinyl acetate/polyethylene terephthalate (EVA/PET) substrate to wrinkled graphene on PSS/PS substrate by inserting EVA/PET and WGr/PSS/PS stack between the rolls, viii) removing the PSS/PS substrate by immersing PET/EVA/WGr/PSS/PS stack in water, and ix) providing a wrinkled graphene substrate on the EVA/PET substrate.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: March 19, 2024
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Prashant Narute, Seong-Gu Hong
  • Patent number: 11906281
    Abstract: The present disclosure relates to an apparatus and method for measuring the thickness and refractive index of a multilayer thin film by measuring angle-resolved spectral reflectance according to light polarization. According to an exemplary embodiment of the present disclosure, the apparatus and method for measuring the thickness and refractive index of a multilayer structure using angle-resolved spectroscopic reflectometry is capable of measuring and analyzing thickness and refractive index of each layer of a structure having a multilayer thin film through an s-polarized imaging and a p-polarized imaging of the reflective light located in a back focal plane of an objective lens which are acquired through an angle-resolved spectral imaging acquisition part.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: February 20, 2024
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Young-sik Ghim, Hyug-gyo Rhee
  • Patent number: 11885840
    Abstract: A method of measuring a specific absorption rate (SAR) of a hip joint implant using magnetic resonance imaging (MRI), includes: arranging the hip joint implant in a human lower body-shaped phantom; arranging an electric field sensor around the hip joint implant; providing radio frequency (RF) energy according to an MRI sequence to the human phantom; and calculating the SAR of the hip joint implant from strength of an electric field measured by the electric field sensor.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: January 30, 2024
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventor: Youngseob Seo
  • Patent number: 11867643
    Abstract: The present invention relates to a planar-type plasma diagnosis apparatus comprising: a transmission antenna for applying a frequency-variable microwave to plasma; a reception antenna for receiving the microwave from the plasma; and a body part encompassing the transmission antenna and the reception antenna so that same are insulated from each other, wherein the upper surface of the transmission antenna for applying the microwave and the upper surface of the reception antenna for receiving the microwave are planar, and side surfaces of the upper surfaces of the transmission antenna and the reception antenna face each other.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: January 9, 2024
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyo Chang Lee, Jung Hyung Kim, Dae Jin Seong, Hee Jung Yeom
  • Patent number: 11821956
    Abstract: A battery cell measurement module includes a lower housing having a connection part and a fixing part connected to the lower housing. An upper portion of the fixing part has a battery cell accommodation space accommodating a battery cell. The fixing part includes a connection hole that is in communication with the battery cell accommodation space and has the connection part arranged therein. Module includes a height control part that extends from the battery cell accommodation space to the connection part via the connection hole. Module includes an upper housing detachably attached to the lower housing, arranged to surround the fixing part and the height control part, and provided with a transparent window. The battery cell has an opening in an upper surface of the battery cell and is accommodated in the battery cell accommodation space such that the opening is located at a position vertically overlapping the transparent window.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: November 21, 2023
    Assignees: KOREA BASIC SCIENCE INSTITUTE, THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC), KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Joonhee Moon, Cheolho Jeon, Jouhahn Lee, Kyoung Soon Choi, Chunjoong Kim, Jae Yong Song, Hosun Shin, Sun Hwa Park
  • Patent number: 11810701
    Abstract: The present disclosure relates to a device and method for forming skyrmion in a magnetic thin film. A skyrmion forming method comprises aligning the surface of the magnetic thin film and a horizontal magnetic field to be applied to the magnetic thin film and applying the horizontal magnetic field and a vertical magnetic field to the magnetic thin film. Accordingly, it is possible to form the bubble skyrmion easily even in the case of a wide width of a stripe formed on the magnetic thin film.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: November 7, 2023
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Chan Yong Hwang, Kyoung Woong Moon, Seung Mo Yang, Chang Soo Kim
  • Patent number: 11802263
    Abstract: The present invention relates to a culture vessel for three-dimensional cell cultivation and a three-dimensional cell co-cultivation method using the same. The culture vessel comprises a well formed by a column positioned thereon and at least one support protruding from the column within the well. In contrast to conventional techniques, the present invention allows cells to be cultured at a position spaced from a culture vessel, thus enjoying the advantage of smoothly supplying oxygen necessary for three-dimensional cell culture structures.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: October 31, 2023
    Assignees: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, CEFO CO., LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL, KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Dongmok Lee, Woojong Lee, Woojin Kim, Hyunsook Park, Sunray Lee, Kiyoung Kim, Sungbum Park, Kwangrok Kim, Byumseok Koh, Kyongjin Choi, Hyejin Nam, Dukjin Kang
  • Patent number: 11796406
    Abstract: An apparatus and method for detecting composite material damage due to impact by using distributed optical fiber are disclosed. In the apparatus and method for detecting composite material damage due to impact by using distributed optical fiber, the position and level of damage occurring in a composite material due to low-velocity impact can be effectively and economically detected by measuring the residual strain of optical fiber distributed on the surface of the composite material or inside the composite material. In the apparatus and method for detecting composite material damage due to impact by using distributed optical fiber, there is no need to always operate a sensor in real time, so that detection errors due to temporary failures, malfunctions, etc. of the sensor, as well as a problem of constantly supplying power to the sensor, can be essentially removed.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 24, 2023
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Il-Bum Kwon, Dae-Cheol Seo, Chi Yup Kim
  • Patent number: 11766204
    Abstract: The present invention provides a magnetic monitoring system for imaging, monitoring, scanning or mapping for brain or heart activity of subjects including children and adults, the system comprising of a magnetoencephalographic or magnetocardiographic system incorporating SQUID sensors for measuring brain activity or heart activity, the system including a plurality of Dewar helmets of variable sizes and shapes; and a plurality of monitoring interfaces; wherein the sensor system helmet is moveable by horizontal Dewar rotation. The sensor system includes configurations where the size and shape of helmets in the system may be different to accommodate different sized subjects for monitoring simultaneously.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: September 26, 2023
    Assignee: The Korea Research Institute of Standards and Science (“KRISS”)
    Inventors: David Burton, Kwon Kyu Yu, Yong-Ho Lee, Hyuk Chan Kwon, Jin Mok Kim, Sang Kil Lee
  • Patent number: 11735397
    Abstract: Disclosed herein is a device for measuring a plasma ion density, which includes a transceiver antenna configured to apply and receive a microwave, of which a frequency is varied, to and from plasma, and a frequency analyzer configured to analyze a frequency of the microwave received from the transceiver antenna and measure a cut-off frequency, wherein the frequency of the microwave applied to the plasma is varied in the range of 100 kHz to 500 MHz.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: August 22, 2023
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyo Chang Lee, Jung Hyung Kim, Hee Jung Yeom
  • Patent number: 11719624
    Abstract: The present invention relates to a liquid immersion micro-channel measurement device and measurement method which are based on trapezoidal incident structure prism incident-type silicon, and according to one embodiment of the present invention, the liquid immersion micro-channel measurement device based on trapezoidal incident structure prism incident-type silicon comprises: a micro-channel structure including a support and at least one micro-channel, which is formed on the support and has a sample detection layer to which a first bioadhesive material for detecting a first sample is fixed; a quadrangular pyramid-shaped prism formed on the upper part of the micro-channel structure; a sample injection unit for injecting, into the micro-channel, a buffer solution containing the first sample; a polarized light generation unit for emitting incident light polarized through the prism on the micro-channel at an incident angle that satisfies a p-wave non-reflection condition; and a polarized light detection unit for d
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: August 8, 2023
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyun Mo Cho, Yong Jai Cho, Won Chegal
  • Publication number: 20230229829
    Abstract: A method of designing a frequency selective surface (FSS) filter, includes: calculating a candidate solution corresponding to a structure of the FSS filter and an objective-function value corresponding to a difference between a frequency response resulting from the candidate solution and a targeted frequency response; modifying the candidate solution into a trial solution in accordance with a genetic algorithm; and calculating an objective-function value with the trial solution to determine whether to include the trial solution in candidate solutions.
    Type: Application
    Filed: May 11, 2021
    Publication date: July 20, 2023
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Young Pyo HONG, In Ho LEE, In June HWANG, Dal Jae YUN
  • Patent number: 11703505
    Abstract: The present invention relates to a nano-dynamic biosensor and a fabrication method therefor. A biosensor according to the present invention comprises a substrate having a hollow structure and a graphene layer formed thereon wherein a probe material is bound to the surface of the graphene layer and the resonance vibration of the hollow structure formed in the substrate is modulated as the probe material increases in weight when a target material to be detected is coupled to the probe material without being labeled, whereby the biosensor is expected to take advantage of the modulation to measure the coupling of the target material including vaccinia virus with high sensitivity on a femtogram (10?15 g) level.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: July 18, 2023
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Seung Hoon Nahm, Nam Hee Lee, Kwon Sang Ryu, Un Bong Baek
  • Patent number: 11662229
    Abstract: The present invention relates to an optical fiber BOCDA sensor. A purpose of the present invention is to provide an optical fiber BOCDA sensor which uses two phase codes to control a correlation peak position, thereby further simplifying control design and device configuration and improving spatial resolution to enhance a sensing performance and detection accuracy in comparison with the prior art.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: May 30, 2023
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Il-Bum Kwon, Dae-Cheol Seo, Chi-Yeop Kim, Bo-Hun Choi
  • Patent number: 11592441
    Abstract: Provided is a nanoplasmonic sensor and a kit for biomolecule analysis, and a method of analyzing a biomolecule using the same. The method includes: providing the nanoplasmonic sensor including a dielectric grating extending in one direction, and a metal structure disposed to cover an upper surface and a side surface of the dielectric grating and have at least one bent portion; immobilizing a first probe molecule on a surface of the metal structure; hybridizing an analyte with the first probe molecule by introducing the analyte having a base sequence complementary to the first probe molecule; binding a second probe molecule that is hybridized with the first probe molecule to the analyte; binding an enzyme to the second probe molecule; introducing a substrate that reacts with the enzyme to produce a precipitate by an enzymatic reaction; and measuring localized surface plasmon resonance in the metal structure.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: February 28, 2023
    Assignees: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Tae Geol Lee, Hee Kyung Na, Jung Sub Wi, Jong G. OK
  • Patent number: 11493433
    Abstract: The present invention relates to a normal incidence ellipsometer and a method for measuring the optical properties of a sample by using same. The purpose of the present invention is to provide: a normal incidence ellipsometer in which a wavelength-dependent compensator is replaced with a wavelength-independent linear polarizer such that equipment calibration procedures are simplified while a measurement wavelength range expansion can be easily implemented; and a method for measuring the optical properties of a sample by using same.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: November 8, 2022
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Yong Jai Cho, Won Chegal, Hyun Mo Cho
  • Patent number: 11486700
    Abstract: The present disclosure is related to a system and a method for 3D shape measurement of a freeform surface based on high-speed deflectometry using composite patterns. More particularly, a system for profile measurement based on high-speed deflectometry using composite patterns includes: a composite pattern generation part to project a composite pattern generated by synthesizing patterns having different frequencies to a measurement object; a detector to acquire images of a deformed composite pattern reflected from the measurement object; and a phase acquisition part to acquire wrapped phases by each frequency from the composite pattern and unwrapped phases from the respective wrapped phases.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: November 1, 2022
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Young-Sik Ghim, The Manh Nguyen, Hyug-Gyo Rhee
  • Patent number: 11479474
    Abstract: Provided is a method of preparing composite nanoparticles, which includes: a) preparing a metal nanocore having a nano-star shape from a first reaction solution in which a first metal precursor is mixed with a first buffer solution; b) fixing a Raman reporter in the metal nanocore; and c) forming a metal shell, which surrounds the nanocore in which the Raman reporter is fixed, from a second reaction solution in which the nanocore in which the Raman reporter is fixed, and a second metal precursor are mixed with a second buffer solution.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: October 25, 2022
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Eun-Ah You, Wansun Kim, Tae Geol Lee
  • Publication number: 20220326288
    Abstract: A method of measuring a specific absorption rate (SAR) of a hip joint implant using magnetic resonance imaging (MRI), includes: arranging the hip joint implant in a human lower body-shaped phantom; arranging an electric field sensor around the hip joint implant; providing radio frequency (RF) energy according to an MRI sequence to the human phantom; and calculating the SAR of the hip joint implant from strength of an electric field measured by the electric field sensor.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 13, 2022
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventor: Youngseob SEO
  • Patent number: 11466978
    Abstract: The present invention relates to an apparatus and a method for measuring a thickness and a refractive index of a multilayer thin film using an angle-resolved spectral interference image according to polarization.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 11, 2022
    Assignee: Korea Research Institute of Standard and Science
    Inventors: Young-sik Ghim, Hyug-gyo Rhee