Patents by Inventor Hui Sun PARK
Hui Sun PARK 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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Publication number: 20230411076Abstract: 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: ApplicationFiled: August 24, 2023Publication date: December 21, 2023Applicant: 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
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Publication number: 20230335338Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer, and an external electrode disposed on the body. The dielectric layer includes a BaTiO3-based base material main ingredient, a sub-ingredient including Dy, and an additive. The additive is one or more of Sm, Gd and Tb, and a content of the additive is 25 mol or more and less than 50 mol relative to 100 mol of Dy. The dielectric layer includes a plurality of dielectric grains. When an average grain size of the plurality of dielectric grains is represented by G, and an average thickness of the dielectric layer is represented by td, 1.75?td/G?2.23 is satisfied.Type: ApplicationFiled: August 31, 2022Publication date: October 19, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyeg Soon AN, Hui Sun PARK, Jeong Wook SEO, Tae Hyung KIM, Hee Sun CHUN, Hyo Ju LEE, Jin Woo KIM, Seok Hyun YOON
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Patent number: 11776750Abstract: 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: January 10, 2022Date of Patent: October 3, 2023Assignee: 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
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Publication number: 20230130377Abstract: A multilayer capacitor includes a body including a laminate structure in which at least one first internal electrode and at least one second internal electrode are alternately stacked in a first direction with at least one dielectric layer therebetween, and first and second external electrodes spaced apart on the body, to be connected to at least one first internal electrode and at least one second internal electrode, respectively. The body includes, in a larger molar content, at least one selected from the group consisting of Dy, Tb, Y, Sm, Ho, Gd, Er, Ce, La and Nd in a capacitance formation region including a region between at least one first internal electrode and at least one second internal electrode than in a margin region including a region between a boundary line of at least one first internal electrode and at least one second internal electrode and a surface of the body.Type: ApplicationFiled: January 7, 2022Publication date: April 27, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jeong Wook SEO, Hee Sun CHUN, Tae Hyung KIM, Hui Sun PARK, Hyeg Soon AN, Hyo Ju LEE, Jin Woo KIM, Seok Hyun YOON
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Publication number: 20230129325Abstract: 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: ApplicationFiled: January 10, 2022Publication date: April 27, 2023Applicant: 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
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Publication number: 20230126670Abstract: 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: January 6, 2022Publication date: April 27, 2023Applicant: 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
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Publication number: 20230119343Abstract: 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: ApplicationFiled: January 4, 2022Publication date: April 20, 2023Applicant: 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
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Patent number: 9780289Abstract: The present disclosure relates to a multilayer piezoelectric element which includes a plurality of piezoelectric layers with a thickness of 15 ?m to 100 ?m each; and internal electrodes interposed between the plurality of piezoelectric layers and laminated to alternately form an anode and a cathode.Type: GrantFiled: September 16, 2014Date of Patent: October 3, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Boum Seock Kim, Hui Sun Park, Jung Wook Seo
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Publication number: 20160172575Abstract: A conductive paste for an internal electrode includes a conductive material; and a common material comprising a dielectric substance and a eutectic mixture, wherein the eutectic mixture comprises lead oxide (PbO) and copper oxide (CuO) and has a eutectic temperature that is higher than a sintering temperature of the conductive material.Type: ApplicationFiled: November 18, 2015Publication date: June 16, 2016Inventors: Hui Sun PARK, Boum Seock KIM, Jung Wook SEO, Seung Ho LEE
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Publication number: 20150346584Abstract: An actuator may include a piezoelectric member extended to be elongated in an optical axis direction; and a magnetic body disposed on the piezoelectric member so as to decrease contact wear between the piezoelectric member and a lens barrel. According to exemplary embodiments of the present disclosure, driving reliability of the piezoelectric member maybe improved by decreasing contact wear due to the contact between the lens barrel and the piezoelectric member.Type: ApplicationFiled: August 19, 2014Publication date: December 3, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Boum Seock Kim, Hui Sun Park, Kang Heon Hur, Jung Wook Seo
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Publication number: 20150321222Abstract: A piezoelectric element and piezoelectric vibration module include a piezoelectric material having a plurality of piezoelectric layers laminated thereon and internal electrodes laminated alternately with the piezoelectric layers, respectively. Among the plurality of piezoelectric layers, a magnitude of applied electric field on a piezoelectric layer located at one end is smaller than a magnitude of applied electric field on a piezoelectric layer located at the other end.Type: ApplicationFiled: April 15, 2015Publication date: November 12, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Boum-Seock KIM, Kyung-Lock KIM, Seung-Ho LEE, Jung-Wook SEO, Hui-Sun PARK
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Publication number: 20150255704Abstract: A piezoelectric element and a piezoelectric vibrator having the same are disclosed. A piezoelectric element according to the present invention includes: a plurality of ceramic piezoelectric layers configured to contract and expand according to supply of electric power; an electrode pattern constituted with electrodes laminated alternately with the plurality of ceramic piezoelectric layers; and a flexible layer formed on a surface of an upper-most electrode of the electrode pattern so as to protect the upper-most electrode and configured to prevent a crack from occurring by contracting and expanding according to contraction and expansion of the ceramic piezoelectric layers.Type: ApplicationFiled: September 22, 2014Publication date: September 10, 2015Inventors: Boum-Seock KIM, Kyung-Lock KIM, Hui-Sun PARK, Jung-Wook SEO
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Publication number: 20150102708Abstract: There is provided a piezoelectric device including: a body portion having a plurality of piezoelectric layers stacked therein; and internal electrodes disposed in the body portion with at least one of the plurality of piezoelectric layers interposed therebetween and including a shrinkage inhibitor having at least one of a flake shape and a plate shape, wherein an angle formed by an interface between the internal electrode and the piezoelectric layer on which the internal electrode and the piezoelectric layer are in contact and a long side direction of the shrinkage inhibitor is 15° or less.Type: ApplicationFiled: December 27, 2013Publication date: April 16, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Boum Seock KIM, Hui Sun PARK, Jung Wook SEO
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Publication number: 20150102253Abstract: The present invention relates to a piezoelectric material for low sintering and more particularly, to piezoelectric materials for low sintering having a composition formula of Pb(Zr, Ti)O3—Pb(Ni, Nb)O3 (hereinafter referring to as ‘PZT-PNN’). The PZT-PNN piezoelectric material according to the present invention shows excellent piezoelectric properties compared to the convention piezoelectric materials even at a low sintering temperature of 950° C. or lower. It thus allows reducing manufacturing cost by using relatively lower-cost electrode materials than Pd or Pt and increasing reliability of operation temperature through improving the glass transition temperature.Type: ApplicationFiled: January 8, 2014Publication date: April 16, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Boum-Seock Kim, Hui-Sun Park, Jung-Wook Seo, Hong-Yeon Cho
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Publication number: 20150102706Abstract: There is provided a piezoelectric element including: a piezoelectric body including positive electrode layers and negative electrode layers alternately stacked on element layers; a polymer layer stacked on at least one surface of the piezoelectric body; a first external electrode stacked so as to contact the polymer layer; and a second external electrode disposed to be spaced apart from the first external electrode and stacked so as to contact the polymer layer.Type: ApplicationFiled: January 17, 2014Publication date: April 16, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Boum Seock Kim, Hui Sun Park, Jung Wook Seo
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Publication number: 20150076967Abstract: The present disclosure relates to a multilayer piezoelectric element which includes a plurality of piezoelectric layers with a thickness of 15 ?m to 100 ?m each; and internal electrodes interposed between the plurality of piezoelectric layers and laminated to alternately form an anode and a cathode.Type: ApplicationFiled: September 16, 2014Publication date: March 19, 2015Inventors: Boum Seock KIM, Hui Sun PARK, Jung Wook SEO