Patents by Inventor In Tae Seo
In Tae Seo 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: 11862399Abstract: A multilayer electronic component according to some embodiments of the present disclosure 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, wherein a ratio of the number of dielectric grains having a size of 100 to 250 nm included in the dielectric layer is 55% or more with respect to a total number of the dielectric grains included in the dielectric layer.Type: GrantFiled: May 12, 2021Date of Patent: January 2, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Sik Kim, Jong Hwan Lee, Jeong Yun Park, Tae Young Ham, In Tae Seo, Jae Sung Park
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Publication number: 20230343518Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.Type: ApplicationFiled: June 30, 2023Publication date: October 26, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: In Tae Seo, Kyung Sik Kim, Sea Hanna Doo, Ji Hong Jo
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Patent number: 11735362Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.Type: GrantFiled: October 27, 2021Date of Patent: August 22, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: In Tae Seo, Kyung Sik Kim, Sea Hanna Doo, Ji Hong Jo
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Patent number: 11715596Abstract: A multilayer ceramic capacitor includes a ceramic body including first and second surfaces opposing each other, and third and fourth surfaces connecting the first and second surfaces, a plurality of internal electrodes disposed inside the ceramic body, exposed from the first and second surfaces, and having an end exposed from the third surface or the fourth surface, and a first side margin and a second side margin respectively disposed on the first and second surfaces, from which end portions of the plurality of internal electrodes are exposed. The first and second side margins include a base material powder of a barium titanate-based base powder and a subcomponent. The subcomponent includes terbium (Tb) as a first subcomponent including a lanthanide rare earth element, and a content ratio of the terbium (Tb) to a content of the first subcomponent (RE) excluding the terbium (Tb) satisfies 0.110?Tb/RE?2.333.Type: GrantFiled: March 31, 2022Date of Patent: August 1, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sung Park, Jeong Ryeol Kim, In Tae Seo, Jong Han Kim, Hyung Soon Kwon, Hee Sun Chun
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Publication number: 20220393099Abstract: Proposed is a method of manufacturing a piezoelectric composite material. The method includes the steps: wet mixing the ceramic powder, the polymer binder, the plasticizer, and the solvent for 4 to 72 hours to produce the mixed slurry, in which the amount of the polymer binder in the mixed slurry is 3 to 10 parts by weight, the amount of the plasticizer is 0.1 to 3 parts by weight, and the amount of the solvent is 30 or more to less than 50 parts by weight, based on 100 parts by weight of the ceramic powder in the mixed slurry; introducing the mixed slurry into a tape casting process to produce a piezoelectric composite sheet; drying and molding the piezoelectric composite sheet in a roll-to-roll process to form a molded piezoelectric composite sheet; laminating and compressing piezoelectric composite sheets molded to produce piezoelectric composite sheet laminates; and cutting the piezoelectric composite sheet laminate into the desired shape and size.Type: ApplicationFiled: May 9, 2022Publication date: December 8, 2022Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: In Tae SEO, Hyung Won KANG, Seung Ho HAN
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Publication number: 20220223343Abstract: A multilayer ceramic capacitor includes a ceramic body including first and second surfaces opposing each other, and third and fourth surfaces connecting the first and second surfaces, a plurality of internal electrodes disposed inside the ceramic body, exposed from the first and second surfaces, and having an end exposed from the third surface or the fourth surface, and a first side margin and a second side margin respectively disposed on the first and second surfaces, from which end portions of the plurality of internal electrodes are exposed. The first and second side margins include a base material powder of a barium titanate-based base powder and a subcomponent. The subcomponent includes terbium (Tb) as a first subcomponent including a lanthanide rare earth element, and a content ratio of the terbium (Tb) to a content of the first subcomponent (RE) excluding the terbium (Tb) satisfies 0.110?Tb/RE?2.333.Type: ApplicationFiled: March 31, 2022Publication date: July 14, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sung PARK, Jeong Ryeol KIM, In Tae SEO, Jong Han KIM, Hyung Soon KWON, Hee Sun CHUN
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Publication number: 20220216391Abstract: A stack-type piezoelectric element is implemented with a reduced capacitance value without a reduction in displacement amount. The stack-type piezoelectric element includes a piezoelectric layer formed of a piezoelectric material, and electrode layers formed in and on the piezoelectric layer and including at least one internal electrode layer formed inside the piezoelectric layer. Each of the at least one internal electrode layer includes a plurality of split electrodes that are separated and arranged in a longitudinal direction. A piezoelectric actuator including the stack-type piezoelectric element is also provided.Type: ApplicationFiled: January 3, 2022Publication date: July 7, 2022Inventors: Hyung Won KANG, Seung Ho HAN, In Tae SEO
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Publication number: 20220204407Abstract: A dielectric material includes a main component represented by (Ba1-xCax)(Ti1-y(Zr, Sn, Hf)y)O3 (0?x?1 and 0?y?0.5); a first subcomponent including at least one of elements among Y, Dy, Ho, Er, Gd, Ce, Nd, Nb, Sm, Tb, Eu, Tm, La, Lu, and Yb; a second subcomponent including Si and/or Al; and a third subcomponent including Ba and/or Ca.Type: ApplicationFiled: November 10, 2021Publication date: June 30, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sung PARK, Hee Sun CHUN, In Tae SEO, Hyung Joon JEON, Chung Eun LEE, Jong Han KIM
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Publication number: 20220208454Abstract: A multilayer electronic component according to some embodiments of the present disclosure 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, wherein a ratio of the number of dielectric grains having a size of 100 to 250 nm included in the dielectric layer is 55% or more with respect to a total number of the dielectric grains included in the dielectric layer.Type: ApplicationFiled: May 12, 2021Publication date: June 30, 2022Inventors: Kyung Sik Kim, Jong Hwan Lee, Jeong Yun Park, TAE YOUNG HAM, IN TAE SEO, Jae Sung Park
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Patent number: 11315729Abstract: A multilayer ceramic capacitor includes a ceramic body including first and second surfaces opposing each other, and third and fourth surfaces connecting the first and second surfaces, a plurality of internal electrodes disposed inside the ceramic body, exposed from the first and second surfaces, and having an end exposed from the third surface or the fourth surface, and a first side margin and a second side margin respectively disposed on the first and second surfaces, from which end portions of the plurality of internal electrodes are exposed. The first and second side margins include a base material powder of a barium titanate-based base powder and a subcomponent. The subcomponent includes terbium (Tb) as a first subcomponent including a lanthanide rare earth element, and a content ratio of the terbium (Tb) to a content of the first subcomponent (RE) excluding the terbium (Tb) satisfies 0.110?Tb/RE?2.333.Type: GrantFiled: May 29, 2020Date of Patent: April 26, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sung Park, Jeong Ryeol Kim, In Tae Seo, Jong Han Kim, Hyung Soon Kwon, Hee Sun Chun
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Patent number: 11302475Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.Type: GrantFiled: February 11, 2020Date of Patent: April 12, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: In Tae Seo, Kyung Sik Kim, Sea Hanna Doo, Ji Hong Jo
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Publication number: 20220051850Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.Type: ApplicationFiled: October 27, 2021Publication date: February 17, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: In Tae Seo, Kyung Sik Kim, Sea Hanna Doo, Ji Hong Jo
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Publication number: 20210142945Abstract: A multilayer ceramic capacitor includes a ceramic body including first and second surfaces opposing each other, and third and fourth surfaces connecting the first and second surfaces, a plurality of internal electrodes disposed inside the ceramic body, exposed from the first and second surfaces, and having an end exposed from the third surface or the fourth surface, and a first side margin and a second side margin respectively disposed on the first and second surfaces, from which end portions of the plurality of internal electrodes are exposed. The first and second side margins include a base material powder of a barium titanate-based base powder and a subcomponent. The subcomponent includes terbium (Tb) as a first subcomponent including a lanthanide rare earth element, and a content ratio of the terbium (Tb) to a content of the first subcomponent (RE) excluding the terbium (Tb) satisfies 0.110?Tb/RE?2.333.Type: ApplicationFiled: May 29, 2020Publication date: May 13, 2021Inventors: Jae Sung PARK, Jeong Ryeol KIM, In Tae SEO, Jong Han KIM, Hyung Soon KWON, Hee Sun CHUN
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Publication number: 20210057156Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor comprising the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and cerium (Ce) as first accessory ingredients. A total content of Dy and Ce is greater than 0.25 mol % and equal to or less than 1.0 mol % based on 100 mol % of the base material main ingredient.Type: ApplicationFiled: February 11, 2020Publication date: February 25, 2021Inventors: In Tae Seo, Kyung Sik Kim, Sea Hanna Doo, Ji Hong Jo