Patents by Inventor Sung-Jung Joo
Sung-Jung Joo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11944987Abstract: A pressurizing centrifugal dehydrator for removing moisture according to the present disclosure includes: an inner basket into which slurry is introduced; an outer basket surrounding the inner basket; a blocking barrier disposed in the outer basket; and a gas supplying portion for supplying gas into the inner basket and/or the outer basket, wherein a dehydration product is positioned between an outer circumference of the blocking barrier and an inner side of the outer basket to maintain airtightness of the outer basket.Type: GrantFiled: July 13, 2020Date of Patent: April 2, 2024Assignee: LG Chem, Ltd.Inventors: Sang Ho Lee, Dae Young Shin, Sung Woo Jeong, Eun Jung Joo
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Patent number: 10809319Abstract: The present invention relates to a device and a method for measuring a magnetic field, wherein a spin current is injected into a magnetic body that has magnetic anisotropy using a spin Hall effect occurring in a current applied to a conductor, and the degree of shift of hysteresis in the magnetic body is calculated while reversing the magnetization of the magnetic body by a spin torque such that an external magnetic field applied to the magnetic body can be measured precisely.Type: GrantFiled: February 3, 2017Date of Patent: October 20, 2020Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEJONG CAMPUSInventors: Kung-Won Rhie, Dong-Seok Kim, Sung-Jung Joo
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Patent number: 10466313Abstract: A magnetic field sensor of the present invention includes a first electrode including a magnetic material, a second electrode including a non-magnetic material, a common electrode disposed between the first electrode and the second electrode and connected to a ground terminal, a power supplier of which one end is connected to the first electrode and the second electrode and of which another end is connected to the common electrode to supply power of a frequency band required, a variable resistor configured to control at least one of a resistance value between the first electrode and the power supplier or a resistance value between the second electrode and the power supplier, and a differential amplifier connected to the first electrode through a positive terminal and connected to the second electrode through a negative terminal to output a difference value between a first capacitance generated by the first electrode and a second capacitance generated by the second electrode in response to external applicationType: GrantFiled: November 18, 2015Date of Patent: November 5, 2019Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCEInventors: Wan-Seop Kim, Po Gyu Park, Young Gyun Kim, Mun Seog Kim, Dan Bee Kim, Sung Jung Joo
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Publication number: 20190079147Abstract: The present invention relates to a device and a method for measuring a magnetic field and, more particularly, to a device and a method for measuring a magnetic field, wherein a spin current is in into a magnetic body that has magnetic anisotropy using a spin Hall effect occurring in a current applied to a conductor, and the degree of shift of hysteresis in the magnetic body is calculated while reversing the magnetization of the magnetic body by a spin torque such that an external magnetic field applied to the magnetic body can be measured precisely.Type: ApplicationFiled: February 3, 2017Publication date: March 14, 2019Inventors: Kung-Won RHIE, Dong-Seok KIM, Sung-Jung JOO
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Publication number: 20170371003Abstract: A magnetic field sensor of the present invention includes a first electrode including a magnetic material, a second electrode including a non-magnetic material, a common electrode disposed between the first electrode and the second electrode and connected to a ground terminal, a power supplier of which one end is connected to the first electrode and the second electrode and of which another end is connected to the common electrode to supply power of a frequency band required, a variable resistor configured to control at least one of a resistance value between the first electrode and the power supplier or a resistance value between the second electrode and the power supplier, and a differential amplifier connected to the first electrode through a positive terminal and connected to the second electrode through a negative terminal to output a difference value between a first capacitance generated by the first electrode and a second capacitance generated by the second electrode in response to external applicationType: ApplicationFiled: November 18, 2015Publication date: December 28, 2017Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCEInventors: Wan-Seop KIM, Po Gyu PARK, Young Gyun KIM, Mun Seog KIM, Dan Bee KIM, Sung Jung JOO
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Patent number: 9257540Abstract: A magnetic field effect transistor is presented. A magnetic field effect transistor comprises a current control part and a magnetic field applying part. A current control part comprises multiple electrodes and a current flowing material region located between multiple electrodes and in which the amount of current flowing between the electrodes is changed, and a magnetic field applying part applying a magnetic field generating from a magnetization state, which changes according to external input, of a pre-set material. By controlling current by using magnetic fields, high speed operation is possible as charging time is not required, and calculation results may be stored without external power supply because magnetic field is supplied by altering magnetization state of a material according to external input.Type: GrantFiled: December 7, 2012Date of Patent: February 9, 2016Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Kungwon Rhie, Jin Ki Hong, Tae-Yueb Kim, Sung-Jung Joo, Jin-Seo Lee, Ku-Youl Jung, Dong-Seok Kim, Sun-Il Han
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Publication number: 20140339617Abstract: A magnetic field effect transistor is presented. A magnetic field effect transistor comprises a current control part and a magnetic field applying part. A current control part comprises multiple electrodes and a current flowing material region located between multiple electrodes and in which the amount of current flowing between the electrodes is changed, and a magnetic field applying part applying a magnetic field generating from a magnetization state, which changes according to external input, of a pre-set material. By controlling current by using magnetic fields, high speed operation is possible as charging time is not required, and calculation results may be stored without external power supply because magnetic field is supplied by altering magnetization state of a material according to external input.Type: ApplicationFiled: December 7, 2012Publication date: November 20, 2014Inventors: Kungwon Rhie, Jin Ki Hong, Tae-Yueb Kim, Sung-Jung Joo, Jin-Seo Lee, Ku-Youl Jung, Dong-Seok Kim, Sun-II Han
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Patent number: 8237236Abstract: An InSb-based switching device, which operates at room temperature by using a magnetic field controlled avalanche process for applying to magneto-logic elements, is provided. A switching device of one embodiment includes a p-type semiconductor layer; an n-type semiconductor layer; and contact layers disposed on one of the p-type and n-type semiconductor layers, the p-type semiconductor layer being in contact with the n-type semiconductor layer such that a current can be applied through the contact layers to the p-type and n-type semiconductor layers to cause a current flow from one of the contact layers to the p-type and n-type semiconductor layers and from the p-type and n-type semiconductor layers to the other of the contact layers, whereby the current flow can be controlled by an intensity of a magnetic field applied to the p-type and n-type semiconductor layers substantially perpendicularly thereto.Type: GrantFiled: April 19, 2010Date of Patent: August 7, 2012Assignee: Korea Institute of Science and TechnologyInventors: Jin Dong Song, Sung Jung Joo, Jin Ki Hong, Sang Hoon Shin, Kyung Ho Shin, Tae Yueb Kim, Ju Young Lim, Jin Seo Lee, Kung Won Rhie
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Patent number: 7872321Abstract: A hybrid semiconductor-ferromagnet device is a device which has micromagnets (Co) deposited on semiconductor (InAs) two-dimensional electrons, and which has a junction structure of positive and negative magnetic field regions using a stray field resulting from the micromagnets. The magnetoresistance measured in the hybrid semiconductor-ferromagnet device has an asymmetrical hall resistance profile, and a change in magnetoresistance thereof is very large. The measured data is well consistent with the calculated results using a diffusive mode and a ballistic model.Type: GrantFiled: November 7, 2006Date of Patent: January 18, 2011Assignee: Korea Institute of Science and TechnologyInventors: Kyung-Ho Shin, Jim-Ki Hong, Sung-Jung Joo, Kung-Won Rhie
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Publication number: 20100308378Abstract: The present invention provides an InSb-based switching device operating at room temperature by using a magnetic field controlled avalanche process for applying to magneto-logic elements. A switching device of one embodiment includes a p-type semiconductor layer; an n-type semiconductor layer; and contact layers disposed on one of the p-type and n-type semiconductor layers, the p-type semiconductor layer being in contact with the n-type semiconductor layer such that a current can be applied through the contact layers to the p-type and n-type semiconductor layers to cause a current flow from one of the contact layers to the p-type and n-type semiconductor layers and from the p-type and n-type semiconductor layers to the other of the contact layers, whereby the current flow can be controlled by an intensity of a magnetic field applied to the p-type and n-type semiconductor layers substantially perpendicularly thereto.Type: ApplicationFiled: April 19, 2010Publication date: December 9, 2010Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Dong Song, Sung Jung Joo, Jin Ki Hong, Sang Hoon Shin, Kyung Ho Shin, Tae Yueb Kim, Ju Young Lim, Jin Seo Lee, Kung Won Rhie
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Publication number: 20080048179Abstract: A hybrid semiconductor-ferromagnet device is a device which has micromagnets (Co) deposited on semiconductor (InAs) two-dimensional electrons, and which has a junction structure of positive and negative magnetic field regions using a stray field resulting from the micromagnets. The magnetoresistance measured in the hybrid semiconductor-ferromagnet device has an asymmetrical hall resistance profile, and a change in magnetoresistance thereof is very large. The measured data is well consistent with the calculated results using a diffusive mode and a ballistic model.Type: ApplicationFiled: November 7, 2006Publication date: February 28, 2008Inventors: Kyung-Ho SHIN, Jin-Ki Hong, Sung-Jung Joo, Kung-Won Rhie