Patents by Inventor Jeong Oh Hong
Jeong Oh Hong 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: 10199174Abstract: There is provided a tantalum capacitor including: a tantalum capacitor body; a plurality of tantalum wires and an adhesive layer on a lower surface of the tantalum capacitor body; and a molding part enclosing the tantalum capacitor body, wherein the tantalum wire and the adhesive layer are connected to an anode lead frame and a cathode lead frame, respectively.Type: GrantFiled: March 25, 2015Date of Patent: February 5, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Bum Cho, Hong Kyu Shin, Hyun Sub Oh, Jeong Oh Hong, Hee Sung Choi, Wan Suk Yang
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Patent number: 9679701Abstract: A tantalum capacitor includes a capacitor body containing a tantalum powder and having a tantalum wire protruding to one side surface thereof, a molding part enclosing the tantalum wire and the capacitor body so as to allow an end portion of the tantalum wire to be exposed through one side surface thereof, a positive electrode terminal extended from one side surface of the molding part to a portion of a lower surface thereof and connected to the end portion of the tantalum wire, and a negative electrode terminal extended from the other side surface of the molding part to a portion of the lower surface thereof and connected to the other side surface of the capacitor body.Type: GrantFiled: June 26, 2014Date of Patent: June 13, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hong Kyu Shin, Wan Suk Yang, Hyun Sub Oh, Jae Bum Cho, Jeong Oh Hong
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Patent number: 9576741Abstract: The present invention relates to a solid electrolytic capacitor and a production method thereof. A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode wire inserted in one side surface thereof; a cathode terminal disposed on one side under the capacitor element to be electrically connected to the capacitor element; an anode terminal disposed on the other side under the capacitor element and having a bending portion integrally formed to be inclined to the capacitor element for electrical connection with the anode wire; and a molding portion surrounding the outside of the capacitor element and formed to expose lower surfaces of the cathode terminal and the anode terminal.Type: GrantFiled: September 15, 2014Date of Patent: February 21, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Ho Kwak, Hee Sung Choi, Hun Chol Jung, Yeong Su Cho, Sung Soo Cha, Hee Dong Myung, Jeong Oh Hong
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Patent number: 9384899Abstract: A tantalum capacitor may include: a capacitor body containing a tantalum powder and having a tantalum wire exposed to one end surface thereof; a positive electrode lead frame including a positive electrode terminal part, a vertical support part vertically extended from one leading edge of the positive electrode terminal part, and a positive electrode connection part extended from the vertical support part toward the positive electrode terminal part and connected to the tantalum wire; a negative electrode lead frame having the capacitor body mounted on an upper surface thereof; and a molding part formed to allow a lower surface of the positive electrode terminal part of the positive electrode lead frame and a lower surface of the negative electrode lead frame to be exposed, while enclosing the capacitor body.Type: GrantFiled: March 4, 2014Date of Patent: July 5, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Ho Kwak, Hun Chol Jung, Jeong Oh Hong, Sung Soo Cha, Hee Dong Myung, Hee Sung Choi
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Patent number: 9336956Abstract: A tantalum capacitor includes a capacitor body containing tantalum powder and having a tantalum wire extending downwardly; a molded part enclosing the capacitor body and exposing an end portion of the tantalum wire; a positive electrode lead frame disposed on a lower surface of the molded part and connected to the end portion of the tantalum wire; a negative electrode lead frame disposed on the lower surface of the molded part; and a conductive adhesive layer disposed between the capacitor body and the negative electrode lead frame.Type: GrantFiled: March 14, 2014Date of Patent: May 10, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Bum Cho, Kyoung Sup Choi, Hong Kyu Shin, Jeong Oh Hong, Wan Suk Yang, Hyun Sub Oh
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Patent number: 9330852Abstract: There is provided a tantalum capacitor including: a capacitor body containing tantalum powder and having a tantalum wire exposed to one end thereof; a positive electrode lead frame including a positive electrode terminal part and a positive electrode connection part formed by upwardly bending a portion of the positive electrode terminal part from the outside toward the inside and connected to the tantalum wire; a negative electrode lead frame having the capacitor body mounted thereon; and a molded part formed to enclose the capacitor body while exposing a lower surface of the positive electrode terminal part of the positive electrode lead frame and a lower surface of the negative electrode lead frame.Type: GrantFiled: January 30, 2014Date of Patent: May 3, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Ho Kwak, Hun Chol Jung, Jeong Oh Hong, Sung Soo Cha, Hee Dong Myung, Hee Sung Choi
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Publication number: 20160118189Abstract: There is provided a tantalum capacitor including: a tantalum capacitor body; a plurality of tantalum wires and an adhesive layer on a lower surface of the tantalum capacitor body; and a molding part enclosing the tantalum capacitor body, wherein the tantalum wire and the adhesive layer are connected to an anode lead frame and a cathode lead frame, respectively.Type: ApplicationFiled: March 25, 2015Publication date: April 28, 2016Inventors: Jae Bum CHO, Hong Kyu SHIN, Hyun Sub OH, Jeong Oh HONG, Hee Sung CHOI, Wan Suk YANG
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Publication number: 20150270070Abstract: A tantalum capacitor includes a capacitor body containing a tantalum powder and having a tantalum wire protruding to one side surface thereof, a molding part enclosing the tantalum wire and the capacitor body so as to allow an end portion of the tantalum wire to be exposed through one side surface thereof, a positive electrode terminal extended from one side surface of the molding part to a portion of a lower surface thereof and connected to the end portion of the tantalum wire, and a negative electrode terminal extended from the other side surface of the molding part to a portion of the lower surface thereof and connected to the other side surface of the capacitor body.Type: ApplicationFiled: June 26, 2014Publication date: September 24, 2015Inventors: Hong Kyu SHIN, Wan Suk YANG, Hyun Sub OH, Jae Bum CHO, Jeong Oh HONG
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Publication number: 20150131206Abstract: A tantalum capacitor may include: a capacitor body containing a tantalum powder and having a tantalum wire exposed to one end surface thereof; a positive electrode lead frame including a positive electrode terminal part, a vertical support part vertically extended from one leading edge of the positive electrode terminal part, and a positive electrode connection part extended from the vertical support part toward the positive electrode terminal part and connected to the tantalum wire; a negative electrode lead frame having the capacitor body mounted on an upper surface thereof; and a molding part formed to allow a lower surface of the positive electrode terminal part of the positive electrode lead frame and a lower surface of the negative electrode lead frame to be exposed, while enclosing the capacitor body.Type: ApplicationFiled: March 4, 2014Publication date: May 14, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Ho Kwak, Hun Chol Jung, Jeong Oh Hong, Sung Soo Cha, Hee Dong Myung, Hee Sung Choi
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Publication number: 20150116910Abstract: A tantalum capacitor includes a capacitor body containing tantalum powder and having a tantalum wire extending downwardly; a molded part enclosing the capacitor body and exposing an end portion of the tantalum wire; a positive electrode lead frame disposed on a lower surface of the molded part and connected to the end portion of the tantalum wire; a negative electrode lead frame disposed on the lower surface of the molded part; and a conductive adhesive layer disposed between the capacitor body and the negative electrode lead frame.Type: ApplicationFiled: March 14, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Bum CHO, Kyoung Sup CHOI, Hong Kyu SHIN, Jeong Oh HONG, Wan Suk YANG, Hyun Sub OH
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Publication number: 20150116909Abstract: There is provided a tantalum capacitor including: a capacitor body containing tantalum powder and having a tantalum wire exposed to one end thereof; a positive electrode lead frame including a positive electrode terminal part and a positive electrode connection part formed by upwardly bending a portion of the positive electrode terminal part from the outside toward the inside and connected to the tantalum wire; a negative electrode lead frame having the capacitor body mounted thereon; and a molded part formed to enclose the capacitor body while exposing a lower surface of the positive electrode terminal part of the positive electrode lead frame and a lower surface of the negative electrode lead frame.Type: ApplicationFiled: January 30, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Ho KWAK, Hun Chol JUNG, Jeong Oh HONG, Sung Soo CHA, Hee Dong MYUNG, Hee Sung CHOI
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Publication number: 20150077904Abstract: A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode wire inserted in one side surface thereof; a cathode terminal disposed on one side under the capacitor element to be electrically connected to the capacitor element; an anode terminal disposed on the other side under the capacitor element and having a bending portion integrally formed to be inclined to the capacitor element for electrical connection with the anode wire; and a molding portion surrounding the outside of the capacitor element and formed to expose lower surfaces of the cathode terminal and the anode terminal.Type: ApplicationFiled: September 15, 2014Publication date: March 19, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Ho KWAK, Hee Sung CHOI, Hun Chol JUNG, Yeong Su CHO, Sung Soo CHA, Hee Dong MYUNG, Jeong Oh HONG
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Publication number: 20140254067Abstract: Disclosed herein is a tantalum capacitor capable of improving equivalent series resistance (ESR) characteristic by increasing the bond between a tantalum wire and a tantalum powder. The tantalum capacitor according to the present invention includes: a tantalum wire; a tantalum powder having embedded a front end of the tantalum wire and then being sintered; and a rough part formed on a surface of the tantalum wire so as to strengthen a bond between the tantalum wire and the tantalum powder.Type: ApplicationFiled: August 1, 2013Publication date: September 11, 2014Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hee Dong Myung, Jeong Oh Hong, Hee Sung Choi, Kyoung Hwan Kim
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Publication number: 20120141790Abstract: There are provided a method for manufacturing a barium titanate powder and a barium titanate powder manufactured by the same. The method for manufacturing the barium titanate powder according to an exemplary embodiment of the present invention includes: preparing a titanium dioxide (TiO2) powder having a specific surface area of 90 m2/g or more and a barium carbonate (BaCO3) powder having a specific surface area of 40 m2/g or more; mixing the titanium dioxide powder, the barium carbonate powder, and a dispersant so as to have a specific surface area of a mixed powder of 50 m2/g or more; performing a primary heat treatment of the mixed powder by decompressing the mixed powder at a temperature where a weight decreasing rate of the mixed powder is equal to or more than 90%; and performing a secondary heat treatment of the mixed powder at a temperature of 850° C. or less.Type: ApplicationFiled: March 31, 2011Publication date: June 7, 2012Inventors: Jung Hwan KIM, Jeong Oh HONG, Han Seong JUNG, Kang Heon HUR
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Publication number: 20120120553Abstract: There is provided a solid electrolytic capacitor, including: a condenser element including a positive electrode wire inserted and mounted to be biased from a center of a chip body; a positive electrode terminal including a pattern layer extendedly formed to the positive electrode wire to be bonded to the positive electrode wire; and a negative electrode terminal electrically connected to the condenser element.Type: ApplicationFiled: February 11, 2011Publication date: May 17, 2012Inventors: Sung Wook HAN, Kwan Hyeong Kim, Jeong Oh Hong
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Publication number: 20120084954Abstract: There is provided a method of manufacturing a solid electrolytic capacitor including: forming a conductive polymer layer on a surface of a metal pellet; and forming a dielectric layer between the metal pellet and the conductive polymer layer. Because the conductive polymer layer is directly formed on the surface of the metal pellet, the conductive polymer layer can be uniformly formed, and because there is no need to form an electrode on the surface of the dielectric layer, the process can be reduced. In addition, because the uniform polymer film is formed irrespective of the size of metal pores and the shape of the capacitor, a capacity of the capacitor can be maximized.Type: ApplicationFiled: October 11, 2011Publication date: April 12, 2012Inventors: Tai Yon Cho, Kwan Hyeong Kim, Jae Bum Cho, Jeong Oh Hong
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Patent number: 8088703Abstract: Provided are a dielectric composition and a ceramic electronic component including the same. The dielectric composition includes (a) barium titanate having a specific surface area of 2.5 m2/g to 6.0 m2/g; (b) a mixture containing at least one or more materials selected from the group consisting of any one oxide of Mg, Ca, Sr, Ba and Zr, and any one carbonate thereof; (c) oxide containing at least one or more materials selected from the group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; (d) oxide containing at least one or more material selected from the group consisting of Cr, Mn, Fe, Co, and Ni; (e) oxide containing at least one or more material selected from the group consisting of V, Nb, and Ta; and (f) oxide containing at least one or more material selected from the group consisting of Si and Al. The dielectric composition can satisfy X8R characteristic, can be sintered at a low temperature, and can obtain high reliability.Type: GrantFiled: September 26, 2008Date of Patent: January 3, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Hyung Kang, Young Tae Kim, Kang Heon Hur, Jeong Oh Hong, Su Jin Kim
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Publication number: 20100022382Abstract: Provided are a dielectric composition and a ceramic electronic component including the same. The dielectric composition includes (a) barium titanate having a specific surface area of 2.5 m2/g to 6.0 m2/g; (b) a mixture containing at least one or more materials selected from the group consisting of any one oxide of Mg, Ca, Sr, Ba and Zr, and any one carbide thereof; (c) oxide containing at least one or more materials selected from the group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; (d) oxide containing at least one or more material selected from the group consisting of Cr, Mn, Fe, Co, and Ni; (e) oxide containing at least one or more material selected from the group consisting of V, Nb, and Ta; and (f) oxide containing at least one or more material selected from the group consisting of Si and Al. The dielectric composition can satisfy X8R characteristic, can be sintered at a low temperature, and can obtain high reliability.Type: ApplicationFiled: September 26, 2008Publication date: January 28, 2010Inventors: Sung Hyung KANG, Young Tae Kim, Kang Heon Hur, Jeong Oh Hong, Su Jin Kim