Patents by Inventor Jin-Woo CHUN
Jin-Woo CHUN 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).
-
Publication number: 20240410028Abstract: Provided are plated steel sheets for hot press forming, hot press formed parts, and manufacturing methods thereof, the plated steel sheets comprising: a base steel sheet comprising, in weight %, C: 0.07 to 0.5%, Si: 0.05 to 1%, Mn: 0.5 to 5%, P: 0.001 to 0.015%, S: 0.0001 to 0.02%, Al: 0.01 to 0.18, Cr: 0.01 to 1%, N: 0.001 to 0.02%, Ti: 0.1% or less, B: 0.01% or less, Sn: 0.01 to 0.1%, and a balance of Fe and inevitable impurities; an aluminum or aluminum alloy plating layer disposed on at least one surface of the base steel sheet; and an Sn-enriched layer provided between the base steel sheet and the plating layer, wherein the Sn-enriched layer satisfies a specific relationship.Type: ApplicationFiled: August 5, 2024Publication date: December 12, 2024Applicant: POSCO CO., LTDInventors: Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim, Hyo-Sik Chun
-
Patent number: 12125641Abstract: A dielectric composition includes a BaTiO3-based component as a main component, a donor component including a first element and a second element each having a shorter ionic radius and greater atomic weight than Ba, and an acceptor component including at least one of Mg, Al, Mn and V. An ionic radius of the second element is greater than an ionic radius of the first element, a molar content of the second element is less than a molar content of the first element, and a molar content of the acceptor component is greater than a molar content of the donor component.Type: GrantFiled: January 4, 2022Date of Patent: October 22, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hui Sun Park, Seok Hyun Yoon, Jin Woo Kim, Jeong Wook Seo, Hyeg Soon An, Tae Hyung Kim, Hyo Ju Lee, Hee Sun Chun
-
Publication number: 20240347273Abstract: A ceramic electronic component includes: a body including an active portion, including a first dielectric layer and an internal electrode, and a margin portion disposed a side surface of the active portion and including a second dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The first and second dielectric layers have different dielectric compositions. The first dielectric layer includes tin (Sn) and dysprosium (Dy). The second dielectric layer includes magnesium (Mg).Type: ApplicationFiled: June 27, 2024Publication date: October 17, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Hyung KIM, Hee Sun CHUN, Hyo Ju LEE, Hyeg Soon AN, Hui Sun PARK, Jeong Wook SEO, Jin Woo KIM, Seok Hyun YOON
-
Publication number: 20240309499Abstract: The present disclosure relates to: a plated steel sheet which is for hot forming, has excellent hydrogen embrittlement resistance, and includes an Al-based plating layer formed on the surface of a base steel sheet, wherein the average Ni content in the Al-based plating layer is 0.05 to 0.35 wt %; and a method for manufacturing same.Type: ApplicationFiled: May 13, 2022Publication date: September 19, 2024Applicant: POSCO Co., LtdInventors: Sang-Heon Kim, Jin-Keun Oh, Seong-Woo Kim, Sea-Woong Lee, Hyo-Sik Chun, Seul-Gi So
-
Patent number: 12084734Abstract: Provided are plated steel sheets for hot press forming, hot press formed parts, and manufacturing methods thereof, the plated steel sheets comprising: a base steel sheet comprising, in weight %, C: 0.07 to 0.5%, Si: 0.05 to 1%, Mn: 0.5 to 5%, P: 0.001 to 0.015%, S: 0.0001 to 0.02%, Al: 0.01 to 0.1%, Cr: 0.01 to 1%, N: 0.001 to 0.02%, Ti: 0.1% or less, B: 0.01% or less, Sn: 0.01 to 0.1%, and a balance of Fe and inevitable impurities; an aluminum or aluminum alloy plating layer disposed on at least one surface of the base steel sheet; and an Sn-enriched layer provided between the base steel sheet and the plating layer, wherein the Sn-enriched layer satisfies a specific relationship.Type: GrantFiled: December 3, 2021Date of Patent: September 10, 2024Assignee: POSCO CO., LTDInventors: Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim, Hyo-Sik Chun
-
Patent number: 12080480Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on one another with the dielectric layer interposed therebetween, and external electrodes disposed externally on the body, and each connected to the plurality of internal electrodes, wherein at least one of the plurality of internal electrodes includes an alloy region formed in a region in contact with a corresponding external electrode of the external electrodes, and the alloy region includes a nickel (Ni)-chromium (Cr) alloy.Type: GrantFiled: August 16, 2022Date of Patent: September 3, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Hee Lee, Soo Jeong Jo, Kang Ha Lee, Yoon A Park, Jin Woo Chun, Berm Ha Cha, Myung Jun Park, Jong Ho Lee
-
Publication number: 20240279003Abstract: A wafer transfer apparatus includes a plate, a first belt unit on a first surface of the plate and including a first linear motion (LM) guide movable up and down, a second belt unit on the first surface of the plate and including a second LM guide movable up and down, a robot between the first belt unit and the second belt unit connected to the first LM guide and the second LM guide, and configured to transfer a wafer in a vertical direction, and a buffer unit between the first belt unit and the second belt unit in a first direction and disposed between the plate and the robot in a second direction perpendicular to the first direction, wherein the buffer unit includes a plurality of centrifugal fans configured to discharge fluid from an inner space of the buffer unit to an outside of the buffer unit.Type: ApplicationFiled: September 22, 2023Publication date: August 22, 2024Inventors: Hyun Joo JEON, Jin Hyuk CHOI, Kyu Sang LEE, Myung Ki SONG, Ji Ho UH, Kong Woo LEE, Hyun Soo CHUN, Beom Soo HWANG
-
Patent number: 12062494Abstract: A ceramic electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.Type: GrantFiled: August 24, 2023Date of Patent: August 13, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hee Sun Chun, Hui Sun Park, Tae Hyung Kim, Jeong Wook Seo, Hyo Ju Lee, Hyeg Soon An, Jin Woo Kim, Seok Hyun Yoon
-
Publication number: 20240261843Abstract: The present disclosure provides a hot-press formed part comprising a plated steel sheet and an aluminum alloy plated layer formed on the plated steel sheet, wherein the aluminum alloy plated layer comprises: an alloying layer (I) formed on the plated steel sheet and containing, by weight %, 5-30% of Al; an alloying layer (II) formed on the alloying layer (I) and containing, by weight %, 30 to 60% of Al; an alloying layer (III) formed on the alloying layer (II) and containing, by weight %, 20-50% of Al and 5-20% of Si; and an alloying layer (IV) formed continuously or discontinuously on at least a part of the surface of the alloying layer (III), and containing 30-60% of Al, wherein the rate of the alloying layer (III) exposed on the outermost surface of the aluminum alloy plated layer is 10% or more.Type: ApplicationFiled: April 16, 2024Publication date: August 8, 2024Applicant: POSCO CO., LTDInventors: Seong-Woo Kim, Jin-Keun Oh, Sang-Heon Kim, Hyo-Sik Chun
-
Patent number: 12051544Abstract: A ceramic electronic component includes: a body including an active portion, including a first dielectric layer and an internal electrode, and a margin portion disposed a side surface of the active portion and including a second dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The first and second dielectric layers have different dielectric compositions. The first dielectric layer includes tin (Sn) and dysprosium (Dy). The second dielectric layer includes magnesium (Mg).Type: GrantFiled: January 6, 2022Date of Patent: July 30, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Hyung Kim, Hee Sun Chun, Hyo Ju Lee, Hyeg Soon An, Hui Sun Park, Jeong Wook Seo, Jin Woo Kim, Seok Hyun Yoon
-
Publication number: 20240222029Abstract: A multilayer electronic component includes a body including a capacitance formation portion in which a plurality of dielectric layers and a plurality of internal electrodes are alternately disposed in a first direction, a first cover portion disposed on one surface of the capacitance formation portion in the first direction and including a dielectric layer, and a second cover portion disposed on the other surface of the capacitance formation portion in the first direction and including a dielectric layer; and an external electrode disposed on the body, wherein a molar ratio of Sn/(Ni+Sn) measured in a central portion of an internal electrode disposed closest to the first cover portion or the second cover portion is 0.00160 or more and 0.0230 or less, and a molar ratio of Sn/(Ni+Sn) measured in a central portion of at least one internal electrode, among the plurality of internal electrodes, is 0.00066 or less.Type: ApplicationFiled: August 8, 2023Publication date: July 4, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ho LEE, Kyoung Jin CHA, Berm Ha CHA, Hyung Jong CHOI, Jin Woo CHUN
-
Publication number: 20230108431Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on one another with the dielectric layer interposed therebetween, and external electrodes disposed externally on the body, and each connected to the plurality of internal electrodes, wherein at least one of the plurality of internal electrodes includes an alloy region formed in a region in contact with a corresponding external electrode of the external electrodes, and the alloy region includes a nickel (Ni)-chromium (Cr) alloy.Type: ApplicationFiled: August 16, 2022Publication date: April 6, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Hee Lee, Soo Jeong Jo, Kang Ha Lee, Yoon A Park, Jin Woo Chun, Berm Ha Cha, Myung Jun Park, Jong Ho Lee
-
Patent number: 11058003Abstract: A capacitor includes a body including a plurality of dielectric layers, first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween, and first and second insulating regions. The first insulating region is disposed in each of the first internal electrodes and includes a first connection electrode disposed therein. The second insulating region is disposed in each of the second internal electrodes and includes a second connection electrode disposed therein. The products D1×Td and D2×Td are greater than 20 ?m2, where Td is a thickness of the dielectric layer, and D1 and D2 are widths of the first and second insulating regions, respectively.Type: GrantFiled: February 28, 2020Date of Patent: July 6, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO, , LTD.Inventors: Jin Man Jung, Jin Kyung Joo, Ik Hwan Chang, Taek Jung Lee, Won Young Lee, Yong Won Seo, Jin Woo Chun
-
Publication number: 20200205291Abstract: A capacitor includes a body including a plurality of dielectric layers, first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween, and first and second insulating regions. The first insulating region is disposed in each of the first internal electrodes and includes a first connection electrode disposed therein. The second insulating region is disposed in each of the second internal electrodes and includes a second connection electrode disposed therein. The products D1×Td and D2×Td are greater than 20 ?m2, where Td is a thickness of the dielectric layer, and D1 and D2 are widths of the first and second insulating regions, respectively.Type: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Inventors: Jin Man JUNG, Jin Kyung JOO, Ik Hwan CHANG, Taek Jung LEE, Won Young LEE, Yong Won SEO, Jin Woo CHUN
-
Patent number: 10617008Abstract: A capacitor includes a body including a plurality of dielectric layers, first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween, and first and second insulating regions. The first insulating region is disposed in each of the first internal electrodes and includes a first connection electrode disposed therein. The second insulating region is disposed in each of the second internal electrodes and includes a second connection electrode disposed therein. The products D1×Td and D2×Td are greater than 20 ?m2, where Td is a thickness of the dielectric layer, and D1 and D2 are widths of the first and second insulating regions, respectively.Type: GrantFiled: August 22, 2018Date of Patent: April 7, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Man Jung, Jin Kyung Joo, Ik Hwan Chang, Taek Jung Lee, Won Young Lee, Yong Won Seo, Jin Woo Chun
-
Patent number: 10468190Abstract: A capacitor component includes a body with a plurality of first and second internal electrodes alternately stacked with dielectric layers interposed therebetween. First and second connection electrodes extend in a thickness direction of the body and are respectively connected to the first and second internal electrodes. First and second lower electrodes are on a lower surface of the body and are respectively connected to the first and second connection electrodes.Type: GrantFiled: September 25, 2017Date of Patent: November 5, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Won Seo, Jin Kyung Joo, Taek Jung Lee, Jin Woo Chun
-
Patent number: 10325725Abstract: A multilayer capacitor includes a capacitor body including a plurality of first and second internal electrodes alternately stacked with dielectric layers interposed therebetween. A first via electrode penetrates through the plurality of first internal electrodes and is exposed at the first surface of the capacitor body. A second via electrode penetrates through the plurality of second internal electrodes, is exposed at the first surface of the capacitor body, and is spaced apart from the first via electrode. First and second external electrodes are on a first surface of the capacitor body, spaced apart from each other, and respectively connected to end portions of the first and second via electrodes. The first and second external electrodes each include a nickel (Ni) layer on the first surface of the capacitor body and a gold (Au) plating layer on the nickel layer.Type: GrantFiled: April 24, 2017Date of Patent: June 18, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Won Seo, Jin Kyung Joo, Ik Hwan Chang, Jin Woo Chun, Jin Man Jung
-
Publication number: 20180368264Abstract: A capacitor includes a body including a plurality of dielectric layers, first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween, and first and second insulating regions. The first insulating region is disposed in each of the first internal electrodes and includes a first connection electrode disposed therein. The second insulating region is disposed in each of the second internal electrodes and includes a second connection electrode disposed therein. The products D1×Td and D2×Td are greater than 20 ?m2, where Td is a thickness of the dielectric layer, and D1 and D2 are widths of the first and second insulating regions, respectively.Type: ApplicationFiled: August 22, 2018Publication date: December 20, 2018Inventors: Jin Man JUNG, Jin Kyung JOO, Ik Hwan CHANG, Taek Jung LEE, Won Young LEE, Yong Won SEO, Jin Woo CHUN
-
Publication number: 20180233287Abstract: A capacitor component includes a body with a plurality of first and second internal electrodes alternately stacked with dielectric layers interposed therebetween. First and second connection electrodes extend in a thickness direction of the body and are respectively connected to the first and second internal electrodes. First and second lower electrodes are on a lower surface of the body and are respectively connected to the first and second connection electrodes.Type: ApplicationFiled: September 25, 2017Publication date: August 16, 2018Inventors: Yong Won SEO, Jin Kyung JOO, Taek Jung LEE, Jin Woo CHUN
-
Publication number: 20180068796Abstract: A multilayer capacitor includes a capacitor body including a plurality of first and second internal electrodes alternately stacked with dielectric layers interposed therebetween. A first via electrode penetrates through the plurality of first internal electrodes and is exposed at the first surface of the capacitor body. A second via electrode penetrates through the plurality of second internal electrodes, is exposed at the first surface of the capacitor body, and is spaced apart from the first via electrode. First and second external electrodes are on a first surface of the capacitor body, spaced apart from each other, and respectively connected to end portions of the first and second via electrodes. The first and second external electrodes each include a nickel (Ni) layer on the first surface of the capacitor body and a gold (Au) plating layer on the nickel layer.Type: ApplicationFiled: April 24, 2017Publication date: March 8, 2018Inventors: Yong Won SEO, Jin Kyung JOO, Ik Hwan CHANG, Jin Woo CHUN, Jin Man JUNG