Patents Assigned to Korea Basic Science Institute
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Publication number: 20140139214Abstract: The present invention is directed to a magnetic sensor using a spin transfer torque device, including a spin transfer torque device configured such that the magnetization direction thereof is varied by current, a bipolar pulse source configured to apply bipolar pulses to the spin transfer torque device in order to control the coercive field and sensitivity of the spin transfer torque device, and a signal processing unit configured to calculate magnetic susceptibility or magnetic resistance by counting the parallel (P) or anti-parallel (AP) states of the spin transfer torque device in response to the applied bipolar pulses.Type: ApplicationFiled: November 16, 2012Publication date: May 22, 2014Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Seung Young Park, Sang II Kim
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Patent number: 8723112Abstract: Provided are a controller and a control method for improving signal performance of an ion cyclotron resonance mass spectrometer. The controller and control method apply electric signals for causing ions injected into an ion trap of the ion cyclotron resonance mass spectrometer to be injected to the center of the trap as close as possible to trap electrodes, and adjust biased ion motion by appropriately adjusting signals of trap electrodes for causing the injected ions to make ion motion, thereby improving the fidelity of ion signals. The control method for improving signal performance of an ion cyclotron resonance mass spectrometer includes an ion position adjustment process and an ion signal detection process.Type: GrantFiled: October 31, 2011Date of Patent: May 13, 2014Assignee: Korea Basic Science InstituteInventors: Seung Yong Kim, Hyun Sik Kim, Myoung Choul Choi, Jong Shin Yoo
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Publication number: 20140124662Abstract: The present invention relates to a device for obtaining the ion source of a mass spectrometer using an ultraviolet diode and a CEM module, having the purpose of inducing initial electron emission using a CEM module and by radiating ultraviolet photons emitted from the ultraviolet diode to the entrance of the CEM module to obtain a large amount of amplified electron beams from the exit and to produce electron beams the emission times of which are accurately controlled at low temperature and at low power.Type: ApplicationFiled: December 16, 2011Publication date: May 8, 2014Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Mo Yang, Seung Yong Kim, Hyun Sik Kim
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Patent number: 8700135Abstract: Provided is an imaging system which includes an optical fiber array probe unit integrated with an endoscope unit, thereby simultaneously measuring structural information and functional information of a sample. The optical fiber array probe unit includes an optical fiber array probe integrated with lenses including an optical fiber lens with a lens surface of a predetermined radius of curvature in which one ends of optical fibers are integrally connected with each other by heating a predetermined region including the one ends of two of the optical fibers using a heating means, as an optical fiber array probe integrated lens on which the light transmitted from the light source is incident and which guides light reflected from the sample, and a detector for selectively detecting the light transmitted from the optical fiber array probe integrated with lenses in a predetermined range of wavelength.Type: GrantFiled: December 7, 2012Date of Patent: April 15, 2014Assignee: Korea Basic Science InstituteInventors: Ki Soo Chang, Seon Young Ryu, Sun Cheol Yang, Geon Hee Kim, Hae Young Choi
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Patent number: 8693637Abstract: An apparatus for generating X-ray may include: a plasma chamber; a magnet unit for applying a magnetic field to the plasma chamber, the magnet unit configured to allow the control of the magnitude of the minimum magnetic field in the plasma chamber without change in structure; a microwave generator for applying microwaves to the plasma chamber; a reaction gas injected into the plasma chamber for generating X-ray through electron cyclotron resonance by the magnetic field and the microwaves; a variable guide for focusing the generated X-ray; and a variable extractor for outputting the focused X-ray from the plasma chamber.Type: GrantFiled: May 18, 2012Date of Patent: April 8, 2014Assignee: Korea Basic Science InstituteInventors: Byoung Seob Lee, Mi Sook Won, Jang Hee Yoon, Jin Yong Park, Se Yong Choi
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Publication number: 20140042579Abstract: The present invention relates to an image sensor comprising a microlens array, and to a manufacturing method thereof. The method of the present invention includes gradually increasing the aluminum composition ratio of a compound semiconductor as the latter gradually gets farther from a substrate, to enable a microlens-forming layer to grow, and making the oxidation rate of the region adjacent to the substrate slower and the oxidation rate of the region farther from the substrate faster, making the interface between the oxidized region and the unoxidized region into a lens shape after the completion of oxidation. The thus-made lens is integrated into an image sensor. The present invention reduces costs for manufacturing image sensors in which a microlens is integrated, increases the signal-to-noise ratio and resolution of the image sensor, and achieves improved sensitivity.Type: ApplicationFiled: October 17, 2013Publication date: February 13, 2014Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Ki Soo Chang, Geon Hee Kim, Sun Cheol Yang, Hyo Sik Kim
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Patent number: 8648534Abstract: The present invention relates to the new structure antenna to create the uniform large area plasma using microwave. The microwave antenna to create the plasma of present invention comprises the waveguide, main body of antenna and the coaxial structure connecting part which connects said waveguide and said main body of antenna electrically, the main body of antenna comprises the conductive block in donut shape forming multiple slots, and notches are formed between the multiple slots of the conductive block and multiple permanent magnets are inserted into the notches. The multiple slots can be formed by passing through the inside and outside of the conductive block and the multiple slots can be formed with repetitive square wave pattern.Type: GrantFiled: July 6, 2010Date of Patent: February 11, 2014Assignee: Korea Basic Science InstituteInventors: Hyun Jong You, Soo Ouk Jang, Yong Ho Jung, Bong Ju Lee
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Publication number: 20140017827Abstract: The present invention relates to an apparatus and method for manufacturing a semiconductor light-emitting device using a neutral particle beam. According to the present invention, since the kinetic energy of the neutral particle beam is provided as a portion of the reaction energy for causing a nitride semiconductor single crystal thin film to be formed on a substrate, and the reaction energy is not provided as heat energy by heating a substrate as in the prior art, the substrate may be treated at a relatively low temperature. Furthermore, elements such as Si, Mg, and the like, which are solid elements required for doping are sprayed onto the substrate from a source which generates solid elements for doping together with the neutral particle beam to achieve high doping efficiency at a lower temperature.Type: ApplicationFiled: May 30, 2011Publication date: January 16, 2014Applicant: KOREA BASIC SCIENCE INSTITUTE [KR/KR]Inventors: Suk Jae Yoo, Seong Bong Kim
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Patent number: 8623667Abstract: The present invention relates to a method for diagnosing cancer using information on aberrant glycosylation of glycoproteins, which is related with cancer progression. More particularly, the present invention relates to a peptide marker for cancer diagnosis and a method for diagnosing cancer using the peptide marker, wherein glycoproteins aberrantly glycosylated due to cancer incidence and progression is isolated using lectin; and marker peptides generated by hydrolysis of the glycoproteins isolated by the lectin is selected and quantified.Type: GrantFiled: May 3, 2012Date of Patent: January 7, 2014Assignee: Korea Basic Science InstituteInventors: Yeong Hee Ahn, Jong Shin Yoo, Park Min Shin, Eun Sun Ji
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Publication number: 20140005369Abstract: The present invention relates to a new uridine nucleoside-based amphiphilic gadolinium complex and a magnetic resonance imaging (MRI) contrast agent including the gadolinium complex. The MRI contrast agent has high relaxivity, high binding affinity for and stability in human serum albumin, pH response, and high liver specificity.Type: ApplicationFiled: March 15, 2012Publication date: January 2, 2014Applicants: KOREA BASIC SCIENCE INSTITUTE, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jong-Seung Kim, Sankarprasad Bhuniya, Sumin Lee, Kwan Soo Hong, Hyunseung Lee, Hyeyoung Moon
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Publication number: 20130346741Abstract: The present invention relate to a method for authenticating a low performance device, and more particularly, to a device authenticating method, in which a low performance device such as a smart meter of a smart grid is authenticated in a matrix operation instead of an exponential operation through a homomorphic hash function (HHF) of a non-square matrix M, so that the amount of operations required for authenticating the device can be reduced and the device can be safely authenticated even without a separate certificate authority.Type: ApplicationFiled: August 17, 2012Publication date: December 26, 2013Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Young Sam KIM, Joon HEO, Mun Seok JEONG
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Publication number: 20130315839Abstract: Iron oxide nano contrast agents for Magnetic Resonance Imaging which have superior T2 contrast effect, and also can be used as a storage or a carrier for drugs and so on, are disclosed. The iron oxide nano contrast agents can be prepared by the steps of: coating surfaces of hydrophobic FeO nanoparticles with a coating material selected from the group consisting of polyethylene glycol-phospholipid conjugate, dextran, chitosan, dimercaptosuccinic acid and mixtures thereof in an organic solvent to form hydrophilic FeO nanoparticles having hydrophilic surfaces and dispersibility in water; dispersing the hydrophilic FeO nanoparticles in water to oxidize FeO; and exposing the oxidized hydrophilic FeO nanoparticles to an acidic buffer to dissolve and remove interior unoxidized FeO portions, and thereby to form Fe3O4 nanoparticles having an interior space.Type: ApplicationFiled: July 31, 2013Publication date: November 28, 2013Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Chulhyun LEE, Sung Lan JEON, Min Kyung CHAE, Jee-Hyun CHO, Eun Ju JANG
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Publication number: 20130301676Abstract: The present invention pertains to a device for measuring a temperature distribution, which can measure a temperature distribution without contacting a minor sample having a three-dimensional structure. More particularly, the device for measuring the temperature distribution can measure a three-dimensional temperature distribution for a sample, wherein the temperature distribution in a depth direction (direction z) of the sample is measured by a thermo-reflectance technique using a chromatic dispersion lens, a diffraction spectrometer and an optical detection array; and the temperature distribution in parallel directions (direction x-y axes) of the sample is measured by the thermo-reflectance technique using a biaxial scanning mirror.Type: ApplicationFiled: December 1, 2011Publication date: November 14, 2013Applicant: Korea Basic Science InstituteInventors: Ki Soo Chang, Hae Young Choi, Seon Young Ryu, Geon Hee Kim, Sun Cheol Yang
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Patent number: 8581207Abstract: Provided is a holder capable of a precise observation from 3 or more directions to analyze complicated internal structures of a specimen thereof, and more particularly, a specimen holder capable of a 3-axis movement for transmission electron microscope (TEM) 3D analysis that rotates cradles for supporting the specimen and moves the cradles back and forth and left and right, and freely changes directions of the specimen, thereby making it possible to more accurately analyze the specimen in three dimensions.Type: GrantFiled: November 30, 2010Date of Patent: November 12, 2013Assignee: Korea Basic Science InstituteInventors: Youn-Joong Kim, Jong-Man Jeung
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Patent number: 8580491Abstract: The present invention relates to a method for diagnosing cancer using information on the aberrant glycosylation of a glycoprotein. More precisely, the present invention relates to a cancer diagnosis peptide marker, which is screened by: a step of separating, using a lectin, a glycoprotein which is aberrantly glycosylated in accordance with the occurrence of cancer; and a step of selecting a hydrolyzed peptide marker derived from the aberrantly glycosylated glycoprotein by observing the quantitative changes in the separated glycoprotein. The present invention also relates to a method for diagnosing cancer using the peptide marker as an agent.Type: GrantFiled: December 24, 2010Date of Patent: November 12, 2013Assignee: Korea Basic Science InstituteInventors: Yeong Hee Ahn, Jong Shin Yoo
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Publication number: 20130297742Abstract: Disclosed herein are a data storage communication apparatus, and data transmission and management methods using the same. The data storage communication apparatus includes a data request signal reception unit, a main control unit, massive storage, and a data transmission unit. The data request signal reception unit receives a data request signal from one of a plurality of user terminals. The main control unit analyzes the data request signal received by the data request signal reception unit, and determines whether data is present in the apparatus itself by searching the apparatus. The massive storage stores and manages a variety of types of data found by the main control unit. The data transmission unit transmits the data to the user terminal. The data is found in the storage by the main control unit.Type: ApplicationFiled: May 31, 2012Publication date: November 7, 2013Applicant: KOREA BASIC SCIENCE INSTITUTEInventor: Sangsu JUNG
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Publication number: 20130279852Abstract: The present invention relates to a paired optical fiber probe with a single body lens and a method for manufacturing the same. The probe includes a first optical fiber, a second optical fiber arranged in parallel with the first optical fiber, and an optical fiber lens which is formed by heating a predetermined region including one end of the first optical fiber and one end of the second optical fiber using a heating means such that ends of the first and second optical fibers are integrally connected to each other, the optical lens having a lens surface with a predetermined radius of curvature. Thus, an optical coupling efficiency can be effectively improved through a simple manufacturing process, and the probe of the present invention can be utilized in a fluorescence spectroscopic system or an imaging system adopting reflectometry.Type: ApplicationFiled: December 1, 2011Publication date: October 24, 2013Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Ki Soo Chang, Seon Young Ryu, Hae Young Choi, Geon Hee Kim
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Publication number: 20130255461Abstract: The present invention relates to a jig for processing the inner surface of an aluminum alloy Winston cone baffle having the thickness of a sheet through an ultra-precision machining, the jig having a shape identically corresponding to the outer shape of a Winston cone baffle having a can body shape made up of compound parabolic, and divided into an upper plate jig and a lower plate jig in formation, wherein the upper plate jig is divided in two, a left side jig and a right side jig, which are formed to correspond in shape and size so as to enable isolation or coupling to/from each other, and the inner surface of the Winston cone baffle attached inside the upper plate jig is made to enable ultra-precision machining at the cutting speed of 220 m/min-300 m/min, which enables the inner surface of the Winston cone baffle to process a slickenside having approximately 4 nm of surface roughness, and in particular, ultra-precision machining at surface roughness of Ra=2.Type: ApplicationFiled: November 14, 2011Publication date: October 3, 2013Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Sun Choel Yang, Ki Soo Chang, Geon Hee Kim, Myeong Sang Kim, Sang Yong Lee
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Publication number: 20130261015Abstract: A method for diagnosing cancer using information on aberrant glycosylation of glycoproteins, which is related with cancer progression. More particularly, the present invention relates to a peptide marker for cancer diagnosis and a method for diagnosing cancer using the peptide marker, wherein glycoproteins aberrantly glycosylated due to cancer incidence and progression is isolated using lectin; and marker peptides generated by hydrolysis or the glycoproteins isolated by the lectin is selected and quantified.Type: ApplicationFiled: March 26, 2013Publication date: October 3, 2013Applicant: Korea Basic Science InstituteInventors: Yeong Hee AHN, Jong Shin YOO, Park Min SHIN
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Publication number: 20130259584Abstract: The present invention relates to a bit for processing the inside diameter of a work material, the bit having on the outer surface of a shank a vibration preventing structure comprising a vibration absorption body made of a silicone material, and a hollow wire rod, thereby absorbing the vibration generated from a machine tool, preventing resonance generated between the work material and a tool, and thus, enabling the implementation of a slickenside from ultra-precision machining.Type: ApplicationFiled: November 14, 2011Publication date: October 3, 2013Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Sun Choel Yang, Ki Soo Chang, Geon Hee Kim, Myeong Sang Kim