Patents by Inventor Yoon Mi CHA
Yoon Mi CHA 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: 12260983Abstract: A coil component is disposed. The coil component according to an aspect of the present disclosure includes: a body; a coil portion disposed in the body; an external electrode portion including a first metal layer disposed on the body, and connected to the coil portion; and a surface insulating layer disposed on the body to cover a first region of the first metal layer and open a second region of the first metal layer. Surface roughness of an interface of the first region of the first metal layer with the surface insulating layer is higher than surface roughness of an outer surface of the second region of the first metal layer.Type: GrantFiled: March 23, 2021Date of Patent: March 25, 2025Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Hui Li, Byung Soo Kang, Ju Hwan Yang, Seung Min Lee, Yoon Mi Cha, Boum Seock Kim, Byeong Cheol Moon
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Patent number: 12205746Abstract: A coil component includes a body having one surface and the other surface, opposing each other, both lateral surfaces respectively connecting the one surface and the other surface and opposing each other, and both end surfaces respectively connecting the both lateral surfaces and opposing each other; a coil unit disposed in the body; a first external electrode and a second external electrode, respectively connected to the coil unit and disposed to be spaced apart from each other on the one surface of the body; and a first insulating layer covering the other surface of the body, the both lateral surfaces of the body, and the both end surfaces of the body.Type: GrantFiled: February 1, 2021Date of Patent: January 21, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwan Yang, Seung Mo Lim, Tae Jun Choi, Byung Soo Kang, Yong Hui Li, Tai Yon Cho, No Il Park, Yoon Mi Cha, Boum Seock Kim, Seung Min Lee
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Patent number: 12073969Abstract: A coil component includes: a body having first and second surfaces opposed in a length direction, third and fourth surfaces opposed in a width direction, and fifth and sixth surfaces opposed in a thickness direction; a coil portion disposed inside the body; a first insulating layer covering a portion of each of the fifth surface of the body and the sixth surface of the body; a second insulating layer covering a portion of the third surface of the body and the fourth surface of the body; a first external electrode disposed on the first surface of the body; and a second external electrode disposed on the second surface of the body.Type: GrantFiled: February 4, 2021Date of Patent: August 27, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yoon Mi Cha, Ju Hwan Yang, Byung Soo Kang, Yong Hui Li, Boum Seock Kim
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Patent number: 11837388Abstract: A coil component includes a body including magnetic metal powder particles and an insulating resin; a coil portion embedded in the body; and first and second external electrodes respectively disposed on the body to be spaced apart from each other and respectively connected to both end portions of the coil portion. A magnetic metal powder particle exposed from a surface of the body, among the magnetic metal powder particles, has a plating prevention film formed on at least a portion of a surface thereof and containing metal ions of the exposed magnetic metal powder particle.Type: GrantFiled: September 17, 2019Date of Patent: December 5, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Soo Kang, Ju Hwan Yang, Byeong Cheol Moon, Yoon Mi Cha, Mi Geum Kim
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Patent number: 11830663Abstract: A coil component includes a body having one surface and the other surface, opposing each other, and wall surfaces, and including a metal magnetic powder particle and an insulating resin; a coil portion disposed in the body and including first and second lead-out portions exposed from the one surface of the body to be spaced apart from each other; first and second external electrodes arranged on the one surface of the body to be spaced apart from each other and respectively connected to the first and second lead-out portions; a cover insulating layer covering the other surface of the body and extending to at least portion of each of the wall surfaces of the body; and an oxide insulating film disposed on a surface of the metal magnetic powder particle exposed from the one surface of the body and including metal ions of the metal magnetic powder particle.Type: GrantFiled: August 10, 2020Date of Patent: November 28, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Soo Kang, Byeong Cheol Moon, Ju Hwan Yang, Yoon Mi Cha, Tai Yon Cho, Tae Jun Choi
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Patent number: 11830653Abstract: A coil electronic component includes a body having a first surface and a second surface opposing each other and a third and a fourth surface opposing each other, an insulating substrate disposed inside the body, first and second coil portions respectively disposed on opposing surfaces of the insulating substrate, a first lead-out portion connected the first coil portion and exposed from the first and third surfaces, a second lead-out portion connected to the second coil portion and exposed from the second and third surfaces, and first and second external electrodes respectively covering the first and second lead-out portions. The insulating substrate includes a support portion supporting the first and second coil portions, a first tip exposed from the first and third surfaces and supporting the first lead-out portion, and a second tip exposed from the second and third surfaces and supporting the second lead-out portion.Type: GrantFiled: August 1, 2019Date of Patent: November 28, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ju Hwan Yang, Byung Soo Kang, Yoon Mi Cha, Byeong Cheol Moon
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Patent number: 11756720Abstract: A coil component includes a coil portion embedded in a body, first and second lead-out portions connection to both end of the coil portion, respectively, and exposed from one surface of the body to be spaced apart from each other, and a support substrate supporting the coil portion and the first and second lead-out portions, and exposed from the one surface of the body. Each of the first and second lead-out portions includes a lead-out pattern and an auxiliary lead-out pattern disposed on one surface and the other surface of the support substrate, opposing each other, and exposed from the one surface of the body, respectively, and a connection via penetrating through the support substrate to connect the lead-out pattern and the auxiliary lead-out pattern to each other, and exposed from the one surface of the body.Type: GrantFiled: March 30, 2020Date of Patent: September 12, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seung Min Lee, Ju Hwan Yang, Yoon Mi Cha
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Patent number: 11664153Abstract: A coil component includes a body having one surface and the other surface opposing each other and including a magnetic metal powder particle and an insulating resin; a coil portion embedded in the body and having end portions respectively exposed from end surfaces of the body; first and second external electrodes arranged to be spaced apart from each other on the one surface and extending to the end surfaces to be connected to the end portions, respectively; and an external insulating layer disposed between each of the first and second external electrodes and the one surface of the body. A magnetic metal powder particle exposed on the wall surface of the body, among the magnetic metal powder particle, has a plating prevention film disposed on at least a portion of a surface of the exposed magnetic metal powder particle and including metal ions of the magnetic metal powder particle.Type: GrantFiled: September 10, 2019Date of Patent: May 30, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ju Hwan Yang, Byeong Cheol Moon, Byung Soo Kang, Yoon Mi Cha
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Patent number: 11562847Abstract: A coil component includes a body; a support substrate embedded in the body; a coil portion disposed on the support substrate, and having an end portion exposed to a surface of the body; and an external electrode disposed on the surface of the body, and in contact with and connected to the end portion of the coil portion. An interface between the end portion of the coil portion and the external electrode, and an interface between the surface of the body and the external electrode are located on levels different from each other.Type: GrantFiled: January 28, 2020Date of Patent: January 24, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Soo Kang, Yoon Mi Cha, Ju Hwan Yang, Yong Hui Li, Seo Eun Kim, Byeong Cheol Moon
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Publication number: 20220399161Abstract: A coil component including: a body; a coil portion including first and second lead-out terminals and disposed in the body; an insulating film disposed between the coil portion and the body and containing a thermosetting resin having a vinyl group; and an external electrode portion disposed on the body and connected to each of the first and second lead-out terminals of the coil portion.Type: ApplicationFiled: April 27, 2022Publication date: December 15, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ju Hwan YANG, Yoon Mi CHA, Mi Geum KIM, Tai Yon CHO, Byeong Cheol MOON
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Publication number: 20220392697Abstract: A coil component may include a body, a coil portion including first and second lead-out portions spaced apart from each other, first and second slit portions formed at an edge portion and exposing the first and second lead-out portions, first and second external electrodes disposed to be spaced apart from each other on one surface of the body, and extending onto the first and second slit portions, respectively, to be connected to the first and second lead-out portions, a slit insulating layer covering at least portions of the first and second external electrodes in the first and second slit portions, and a surface insulating layer disposed on the slit insulating layer and extending to cover at least portions of the first or second external electrodes disposed on the one surface of the body.Type: ApplicationFiled: April 29, 2022Publication date: December 8, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yoon Mi Cha, Ju Hwan Yang, Seung Mo Lim, No Il Park, Tai Yon Cho, Byeong Cheol Moon
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Publication number: 20220199316Abstract: A coil component is disposed. The coil component according to an aspect of the present disclosure includes: a body; a coil portion disposed in the body; an external electrode portion including a first metal layer disposed on the body, and connected to the coil portion; and a surface insulating layer disposed on the body to cover a first region of the first metal layer and open a second region of the first metal layer. Surface roughness of an interface of the first region of the first metal layer with the surface insulating layer is higher than surface roughness of an outer surface of the second region of the first metal layer.Type: ApplicationFiled: March 23, 2021Publication date: June 23, 2022Inventors: Yong Hui Li, Byung Soo Kang, Ju Hwan Yang, Seung Min Lee, Yoon Mi Cha, Boum Seock Kim, Byeong Cheol Moon
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Publication number: 20220157510Abstract: A coil component includes a body having one surface and the other surface, opposing each other, both lateral surfaces respectively connecting the one surface and the other surface and opposing each other, and both end surfaces respectively connecting the both lateral surfaces and opposing each other; a coil unit disposed in the body; a first external electrode and a second external electrode, respectively connected to the coil unit and disposed to be spaced apart from each other on the one surface of the body; and a first insulating layer covering the other surface of the body, the both lateral surfaces of the body, and the both end surfaces of the body.Type: ApplicationFiled: February 1, 2021Publication date: May 19, 2022Inventors: Ju Hwan Yang, Seung Mo Lim, Tae Jun Choi, Byung Soo Kang, Yong Hui Li, Tai Yon Cho, No Il Park, Yoon Mi Cha, Boum Seock Kim, Seung Min Lee
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Patent number: 11335496Abstract: A coil component includes a body having a bottom surface and a top surface opposing each other in one direction, and a plurality of walls each connecting the bottom surface to the top surface of the body; recesses respectively formed in both front and rear surfaces of the body opposing each other among the plurality of walls of the body and extending up to the bottom surface of the body; a coil portion buried in the body and including first and second lead-out portions exposed to internal walls and lower ledge surfaces of the recesses; first and second external electrodes respectively including connection portions disposed in the recesses and extended portions disposed on the bottom surface of the body, and connected to the coil portion; a shielding layer including a cap portion disposed on the top surface of the body and side wall portions respectively disposed on the plurality of walls of the body; and an insulating layer disposed between the body and the shielding layer and extending onto lower ledge surfaType: GrantFiled: March 6, 2019Date of Patent: May 17, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Soo Kang, Tai Yon Cho, Yoon Mi Cha, Ju Hwan Yang, Jeong Suong Yang, No Il Park, Byeong Cheol Moon, Tae Jun Choi, Seung Mo Lim
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Publication number: 20220139606Abstract: A coil component includes a body including one surface, one end surface, the other end surface, one side surface, and the other side surface, a support substrate disposed in the body, a coil unit disposed on the support substrate and including first and second lead patterns, first and second slit portions respectively disposed in edge portions between each of the one end surface and the other end surface and the one surface , third and fourth slit portions respectively disposed in edge portions between each of the one side surface and the other side surface and the one surface, first and second external electrodes extending to the first and second slit portions to contact the first and second lead patterns, respectively. At least one of depths of the third and fourth slit portions is shallower than at least one of depths of the first and second slit portions.Type: ApplicationFiled: September 10, 2021Publication date: May 5, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seung Min LEE, Seung Mo LIM, Byung Soo KANG, No Il PARK, Ju Hwan YANG, Yoon Mi CHA
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Publication number: 20220102042Abstract: A coil component includes: a body having first and second surfaces opposed in a length direction, third and fourth surfaces opposed in a width direction, and fifth and sixth surfaces opposed in a thickness direction; a coil portion disposed inside the body; a first insulating layer covering a portion of each of the fifth surface of the body and the sixth surface of the body; a second insulating layer covering a portion of the third surface of the body and the fourth surface of the body; a first external electrode disposed on the first surface of the body; and a second external electrode disposed on the second surface of the body.Type: ApplicationFiled: February 4, 2021Publication date: March 31, 2022Inventors: Yoon Mi CHA, Ju Hwan YANG, Byung Soo KANG, Yong Hui LI, Boum Seock KIM
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Publication number: 20210350976Abstract: A coil component includes a body having one surface and the other surface, opposing each other, and wall surfaces, and including a metal magnetic powder particle and an insulating resin; a coil portion disposed in the body and including first and second lead-out portions exposed from the one surface of the body to be spaced apart from each other; first and second external electrodes arranged on the one surface of the body to be spaced apart from each other and respectively connected to the first and second lead-out portions; a cover insulating layer covering the other surface of the body and extending to at least portion of each of the wall surfaces of the body; and an oxide insulating film disposed on a surface of the metal magnetic powder particle exposed from the one surface of the body and including metal ions of the metal magnetic powder particle.Type: ApplicationFiled: August 10, 2020Publication date: November 11, 2021Inventors: Byung Soo KANG, Byeong Cheol MOON, Ju Hwan YANG, Yoon Mi CHA, Tai Yon CHO, Tae Jun CHOI
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Patent number: 11017931Abstract: A coil component includes a body, a coil part embedded in the body, and an insulating layer covering the body. First and second plating electrodes are disposed between the body and the insulating layer, are connected to the coil part, and are disposed to be spaced apart from each other on one surface of the body. First and second through electrodes penetrate through the insulating layer to thereby be connected to the first and second plating electrodes, respectively.Type: GrantFiled: October 12, 2018Date of Patent: May 25, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Soo Kang, Yong Hui Li, Byeong Cheol Moon, Yoon Mi Cha, Eun Jin Kim
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Publication number: 20210027932Abstract: A coil component includes a body; a support substrate embedded in the body; a coil portion disposed on the support substrate, and having an end portion exposed to a surface of the body; and an external electrode disposed on the surface of the body, and in contact with and connected to the end portion of the coil portion. An interface between the end portion of the coil portion and the external electrode, and an interface between the surface of the body and the external electrode are located on levels different from each other.Type: ApplicationFiled: January 28, 2020Publication date: January 28, 2021Inventors: Byung Soo KANG, Yoon Mi Cha, Ju Hwan Yang, Yong Hui Li, Seo Eun Kim, Byeong Cheol Moon
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Publication number: 20200402700Abstract: A coil component includes a coil portion embedded in a body, first and second lead-out portions connection to both end of the coil portion, respectively, and exposed from one surface of the body to be spaced apart from each other, and a support substrate supporting the coil portion and the first and second lead-out portions, and exposed from the one surface of the body. Each of the first and second lead-out portions includes a lead-out pattern and an auxiliary lead-out pattern disposed on one surface and the other surface of the support substrate, opposing each other, and exposed from the one surface of the body, respectively, and a connection via penetrating through the support substrate to connect the lead-out pattern and the auxiliary lead-out pattern to each other, and exposed from the one surface of the body.Type: ApplicationFiled: March 30, 2020Publication date: December 24, 2020Inventors: Seung Min LEE, Ju Hwan YANG, Yoon Mi CHA