Patents by Inventor Sang Kyun Kwon
Sang Kyun Kwon 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: 11842841Abstract: A coil component includes a body having a coil portion embedded therein; and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic metal particles, and a plurality of indentations are formed in surfaces of at least some of the plurality of magnetic metal particles, and the surfaces of the magnetic metal particles connecting the plurality of indentations to each other are spherical.Type: GrantFiled: October 29, 2019Date of Patent: December 12, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Jong Ho Chung, Chul Min Sim, Seong Jae Lee, Han Wool Ryu, Byeong Cheol Moon
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Publication number: 20230160047Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least two elements selected from the group consisting of C, Si, Al, Ga, and Ge but necessarily includes C, and 0?a?0.5, 1.5<b?3, 10?c?13, 0<d?4, 0<e?1.5, and 8.5?g?12.Type: ApplicationFiled: January 9, 2023Publication date: May 25, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun KWON, Han Wool RYU, Chul Min SIM, Chang Hak CHOI, Jong Suk JEONG
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Publication number: 20230015154Abstract: A Fe-based alloy represented by a composition of (Fe(1-a)M1a)100-b-c-d-e-f-gM2bM3cBdPeCufTig, wherein M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least one element selected from the group consisting of Si, Al, Ga, and Ge, and a, b, c, d, e, f, and g satisfy the following content conditions: 0?a?0.5, 0<b?1.5, 0<c?4, 7?d?13, 0.1?e?5, 0.6?f?1.5, and 0<g, is provided, wherein a full width at half maximum of an XRD main peak is 0.172 or more.Type: ApplicationFiled: May 4, 2022Publication date: January 19, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Chul Min Sim, Han Wool Ryu, Byeong Cheol Moon
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Publication number: 20230015432Abstract: A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.Type: ApplicationFiled: September 20, 2022Publication date: January 19, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Il LEE, Han Wool RYU, Sang Kyun KWON
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Patent number: 11495398Abstract: A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.Type: GrantFiled: June 8, 2018Date of Patent: November 8, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Il Lee, Han Wool Ryu, Sang Kyun Kwon
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Patent number: 11289251Abstract: A coil component includes a body in which a coil portion is disposed, and external electrodes connected to the coil portion. The body includes metal particles formed of an Fe-based nanocrystal grain alloy, and the Fe-based nanocrystal grain alloy has one peak or two peaks in a differential scanning calorimetry (DSC) graph, and when the Fe-based nanocrystal grain alloy has the two peaks, a primary peak is smaller than a secondary peak, where the primary peak is at a lower temperature than the secondary peak.Type: GrantFiled: June 20, 2018Date of Patent: March 29, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Han Wool Ryu, Chang Hak Choi
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Patent number: 11211194Abstract: A coil electronic component includes a body having a coil portion embedded therein, and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic portions having a form in which magnetic particles are dispersed in an insulator and one or more insulating portions disposed between the plurality of magnetic portions.Type: GrantFiled: June 14, 2018Date of Patent: December 28, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Han Wool Ryu, Young Il Lee
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Patent number: 11104982Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least one element selected from the group consisting of C, Si, Al, Ga, and Ge, and 0?a?0.5, 2?b?3, 9?c?11, 1?d?2, 0.6?e?1.5, and 9?g?11.Type: GrantFiled: June 14, 2018Date of Patent: August 31, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Han Wool Ryu, Chang Ryul Jung, Jong Ho Chung, Jong Suk Jeong, Chui Min Sim
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Patent number: 10978235Abstract: An inductor includes a body including a coil and an encapsulant and an external electrode on an outer surface of the body. The encapsulant includes a first core surrounding the coil and a second core surrounding the first core. The first core includes a magnetic powder having high current characteristics, and the second core includes a magnetic powder having high capacity characteristics.Type: GrantFiled: August 10, 2018Date of Patent: April 13, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Suk Jeong, Han Wool Ryu, Seong Jae Lee, Sang Kyun Kwon, Chang Hak Choi
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Patent number: 10923276Abstract: A coil electronic component includes a body having a coil portion embedded therein and having a form in which magnetic particles are dispersed in a first insulating material, a first atomic layer deposition (ALD) layer formed along a surface of the coil portion using a second insulating material, a second ALD layer formed along a surface of the first ALD layer using a third insulating material, and external electrodes connected to the coil portion.Type: GrantFiled: May 3, 2018Date of Patent: February 16, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Il Lee, Han Wool Ryu, Sang Kyun Kwon
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Publication number: 20200411227Abstract: A coil component includes a body having a coil portion embedded therein; and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic metal particles, and a plurality of indentations are formed in surfaces of at least some of the plurality of magnetic metal particles, and the surfaces of the magnetic metal particles connecting the plurality of indentations to each other are spherical.Type: ApplicationFiled: October 29, 2019Publication date: December 31, 2020Inventors: Sang Kyun KWON, Jong Ho CHUNG, Chul Min SIM, Seong Jae LEE, Han Wool RYU, Byeong Cheol MOON
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Patent number: 10714253Abstract: A coil component includes a body having a coil part embedded therein, and an external electrode connected to the coil part. The body contains a plurality of first magnetic particles and a plurality of second magnetic particles, the second magnetic particles being smaller than the first magnetic particles, and the pluralities of first and second magnetic particles are dispersed in a main insulating portion. The plurality of second magnetic particles are dispersed in each of a plurality of sub-insulating portions to constitute composites, and a volume percentage of the second magnetic particles in the composites is 80% to 90%.Type: GrantFiled: September 28, 2017Date of Patent: July 14, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Jong Ho Chung
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Publication number: 20190221351Abstract: An inductor includes a body including a coil and an encapsulant and an external electrode on an outer surface of the body. The encapsulant includes a first core surrounding the coil and a second core surrounding the first core. The first core includes a magnetic powder having high current characteristics, and the second core includes a magnetic powder having high capacity characteristics.Type: ApplicationFiled: August 10, 2018Publication date: July 18, 2019Inventors: Jong Suk JEONG, Han Wool RYU, Seong Jae LEE, Sang Kyun KWON, Chang Hak CHOI
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Publication number: 20190164689Abstract: A coil electronic component includes a body having a coil portion embedded therein and having a form in which magnetic particles are dispersed in a first insulating material, a first atomic layer deposition (ALD) layer formed along a surface of the coil portion using a second insulating material, a second ALD layer formed along a surface of the first ALD layer using a third insulating material, and external electrodes connected to the coil portion.Type: ApplicationFiled: May 3, 2018Publication date: May 30, 2019Inventors: Young Il LEE, Han Wool RYU, Sang Kyun KWON
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Publication number: 20190122793Abstract: A coil component includes a body in which a coil portion is disposed, and external electrodes connected to the coil portion. The body includes metal particles formed of an Fe-based nanocrystal grain alloy, and the Fe-based nanocrystal grain alloy has one peak or two peaks in a differential scanning calorimetry (DSC) graph, and when the Fe-based nanocrystal grain alloy has the two peaks, a primary peak is smaller than a secondary peak, where the primary peak is at a lower temperature than the secondary peak.Type: ApplicationFiled: June 20, 2018Publication date: April 25, 2019Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun KWON, Han Wool RYU, Chang Hak CHOI
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Publication number: 20190115146Abstract: A coil electronic component includes a body having a coil portion embedded therein, and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic portions having a form in which magnetic particles are dispersed in an insulator and one or more insulating portions disposed between the plurality of magnetic portions.Type: ApplicationFiled: June 14, 2018Publication date: April 18, 2019Inventors: Sang Kyun KWON, Han Wool RYU, Young Il LEE
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Publication number: 20190115147Abstract: A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.Type: ApplicationFiled: June 8, 2018Publication date: April 18, 2019Inventors: Young Il LEE, Han Wool RYU, Sang Kyun KWON
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Publication number: 20190100828Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least one element selected from the group consisting of C, Si, Al, Ga, and Ge, and 0?a?0.5, 2?b?3, 9?c?11, 1?d?2, 0.6?e?1.5, and 9?g?11.Type: ApplicationFiled: June 14, 2018Publication date: April 4, 2019Inventors: Sang Kyun KWON, Han Wool RYU, Chang Ryul JUNG, Jong Ho CHUNG, Jong Suk JEONG, Chul Min SIM
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Publication number: 20190074128Abstract: A magnetic sheet includes a magnetic made of an Fe-based alloy, wherein the magnetic layer includes a first surface region and a second surface region opposing each other in a thickness direction of the magnetic layer, and an internal region disposed between the first surface region and the second surface region, and a crystallinity of the first surface region is higher than a crystallinity of the second surface region.Type: ApplicationFiled: May 23, 2018Publication date: March 7, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Seung Min LEE, Sang Kyun KWON, Jung Young CHO, Ji Hyo LEE
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Publication number: 20190055635Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least two elements selected from the group consisting of C, Si, Al, Ga, and Ge but necessarily includes C, and 0?a?0.5, 1.5<b?3, 10?c?13, 0<d?4, 0<e?1.5, and 8.5?g?12.Type: ApplicationFiled: June 18, 2018Publication date: February 21, 2019Inventors: Sang Kyun KWON, Han Wool RYU, Chul Min SIM, Chang Hak CHOI, Jong Suk JEONG