Patents by Inventor Chih-Siang Chuang
Chih-Siang Chuang 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: 20240234005Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein ?C×Hsat?1800, where ?C is a permeability of the T-shaped magnetic core, and Hsat (Oe) is a strength of the magnetic field at 80% of ?C0, where ?C0 is the permeability of the T-shaped magnetic core when the strength of the magnetic field is 0.Type: ApplicationFiled: March 21, 2024Publication date: July 11, 2024Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 11967446Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein ?C×Hsat?1800, where ?C is a permeability of the T-shaped magnetic core, and Hsat (Oe) is a strength of the magnetic field at 80% of ?C0, where ?C0 is the permeability of the T-shaped magnetic core when the strength of the magnetic field is 0.Type: GrantFiled: January 4, 2021Date of Patent: April 23, 2024Assignee: CYNTEC CO., LTD.Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 11355272Abstract: An electronic component comprising: a body; a conductive wire in the body; and a first lead comprising a first part disposed on a first surface of the body and a second part disposed on a second surface of the body, wherein the second part of the first lead comprises a first protrusion portion and a second protrusion portion spaced apart from each other, wherein a first portion of a first terminal part of the conductive wire is disposed between the first protrusion portion and the second part of the first lead disposed on the second surface of the body, and a second portion of the first terminal part of the conductive wire is disposed between the second protrusion portion and the second part of the first lead disposed on the second surface of the body.Type: GrantFiled: January 9, 2018Date of Patent: June 7, 2022Assignee: CYNTEC CO., LTDInventors: Yung-Cheng Chang, Chih-Siang Chuang, Yi-Min Huang
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Patent number: 11017937Abstract: A variable coupled inductor comprises a first core having a first protrusion, a second protrusion, a third protrusion, a first conducting-wire groove and a second conducting-wire groove on the top surface of the first core, wherein the second protrusion is disposed between the first protrusion and the third protrusion, wherein a first conducting wire is disposed in the first conducting-wire groove, and a second conducting wire is disposed in the second conducting-wire groove, wherein a second core, disposed over the first core, wherein a magnetic structure is integrally formed with the second core and protruded on the bottom surface of the second core, wherein the bottom surface of the magnetic structure is located over the top surface of the second protrusion.Type: GrantFiled: May 7, 2018Date of Patent: May 25, 2021Assignee: CYNTEC CO., LTD.Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh
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Publication number: 20210125767Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein ?C×Hsat?1800, where ?C is a permeability of the T-shaped magnetic core, and Hsat (Oe) is a strength of the magnetic field at 80% of ?C0, where ?C0 is the permeability of the T-shaped magnetic core when the strength of the magnetic field is 0.Type: ApplicationFiled: January 4, 2021Publication date: April 29, 2021Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 10902989Abstract: A magnetic device comprising a T-shaped magnetic core made of a material comprising a soft magnetic metal material and having a base and a pillar integrally formed with the base; a coil wound on the pillar; and a unitary magnetic body encapsulating the pillar, the coil and a portion of the base with a bottom surface of the base being not covered by the unitary magnetic body, wherein a contiguous portion of the unitary magnetic body encapsulates a top surface of the pillar and extends into a gap between a side surface of the pillar and an inner surface of the coil, wherein the core loss PBL (mW/cm3) of the unitary magnetic body satisfies: 2×f1.29×Bm2.2?PBL?14.03×f1.29×Bm1.08, where f(kHz) represents a frequency of a magnetic field applied to the T-shaped magnetic core, and Bm (kGauss) represents the operating magnetic flux density of the magnetic field at the frequency.Type: GrantFiled: March 26, 2018Date of Patent: January 26, 2021Assignee: CYNTEC CO., LTD.Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 10796842Abstract: A method to from an inductive component, the method including forming a metal structure having a conductor wire and a lead frame having a first part and a second part space spaced apart from the first part and forming a magnetic body encapsulating the conductor wire, a first portion of the first part and a second portion of the second part of the lead frame adjacent to the conductor wire.Type: GrantFiled: December 10, 2019Date of Patent: October 6, 2020Assignee: CYNTEC CO., LTD.Inventors: Yi-Min Huang, Chih-Siang Chuang, Yung-Cheng Chang
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Publication number: 20200118735Abstract: A method to from an inductive component, the method including forming a metal structure having a conductor wire and a lead frame having a first part and a second part space spaced apart from the first part and forming a magnetic body encapsulating the conductor wire, a first portion of the first part and a second portion of the second part of the lead frame adjacent to the conductor wire.Type: ApplicationFiled: December 10, 2019Publication date: April 16, 2020Inventors: YI-MIN HUANG, CHIH-SIANG CHUANG, YUNG-CHENG CHANG
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Patent number: 10546684Abstract: An inductive component is disclosed, the inductive component comprising: a metal structure, the metal structure comprising a conductor wire and a lead frame, wherein the lead frame and the conductor wire are integrally formed, wherein the lead frame comprises a first part and a second part space spaced apart from the first part, wherein a contiguous metal path is formed from the first part of the lead frame to the second part of the lead frame via the conductor wire; a magnetic body encapsulating the conductor wire, and a first portion of the first part and a second portion of the second part of the lead frame adjacent to the conductor wire.Type: GrantFiled: August 20, 2015Date of Patent: January 28, 2020Assignee: CYNTEC CO., LTDInventors: Yi-Min Huang, Chih-Siang Chuang, Yung-Cheng Chang
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Publication number: 20180254137Abstract: A variable coupled inductor comprises a first core having a first protrusion, a second protrusion, a third protrusion, a first conducting-wire groove and a second conducting-wire groove on the top surface of the first core, wherein the second protrusion is disposed between the first protrusion and the third protrusion, wherein a first conducting wire is disposed in the first conducting-wire groove, and a second conducting wire is disposed in the second conducting-wire groove, wherein a second core, disposed over the first core, wherein a magnetic structure is integrally formed with the second core and protruded on the bottom surface of the second core, wherein the bottom surface of the magnetic structure is located over the top surface of the second protrusion.Type: ApplicationFiled: May 7, 2018Publication date: September 6, 2018Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh
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Publication number: 20180211759Abstract: A magnetic device comprising a T-shaped magnetic core made of a material comprising a soft magnetic metal material and having a base and a pillar integrally formed with the base; a coil wound on the pillar; and a unitary magnetic body encapsulating the pillar, the coil and a portion of the base with a bottom surface of the base being not covered by the unitary magnetic body, wherein a contiguous portion of the unitary magnetic body encapsulates a top surface of the pillar and extends into a gap between a side surface of the pillar and an inner surface of the coil, wherein the core loss PBL (mW/cm3) of the unitary magnetic body satisfies: 2×f1.29×Bm2.2?PBL?14.03×f1.29×Bm1.08, where f(kHz) represents a frequency of a magnetic field applied to the T-shaped magnetic core, and Bm (kGauss) represents the operating magnetic flux density of the magnetic field at the frequency.Type: ApplicationFiled: March 26, 2018Publication date: July 26, 2018Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 9991041Abstract: A variable coupled inductor includes a first core, two conducting wires, a second core and a magnetic structure. The first core includes two first protruding portions, a second protruding portion and two grooves, wherein the second protruding portion is located between the two first protruding portions and each of the grooves is located between one of the first protruding portions and the second protruding portion. Each of the conducting wires is disposed in one of the grooves. The second core is disposed on the first core. A first gap is formed between each of the first protruding portions and the second core and a second gap is formed between the second protruding portion and the second core. The magnetic structure is disposed between the second protruding portion and the second core and distributed symmetrically with respect to a centerline of the second protruding portion.Type: GrantFiled: December 13, 2015Date of Patent: June 5, 2018Assignee: CYNTEC CO., LTD.Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh
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Publication number: 20180130584Abstract: An electronic component comprising: a body; a conductive wire in the body; and a first lead comprising a first part disposed on a first surface of the body and a second part disposed on a second surface of the body, wherein the second part of the first lead comprises a first protrusion portion and a second protrusion portion spaced apart from each other, wherein a first portion of a first terminal part of the conductive wire is disposed between the first protrusion portion and the second part of the first lead disposed on the second surface of the body, and a second portion of the first terminal part of the conductive wire is disposed between the second protrusion portion and the second part of the first lead disposed on the second surface of the body.Type: ApplicationFiled: January 9, 2018Publication date: May 10, 2018Inventors: YUNG-CHENG CHANG, CHIH-SIANG CHUANG, YI-MIN HUANG
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Patent number: 9959965Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein the volume of the base is V1 and the volume of the pillar is V2; a coil wound on the pillar; and a magnetic body encapsulating the pillar, the coil and a portion of the base, wherein the ratio of V1 to V2 (V1/V2) is configured in a pre-determined range so as to reduce the total core loss of the inductor with the equivalent permeability of the inductor being between 28.511 and 52.949.Type: GrantFiled: November 15, 2015Date of Patent: May 1, 2018Assignee: CYNTEC CO., LTD.Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang
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Patent number: 9899131Abstract: An electronic component is disclosed, wherein electronic component comprises: a body; a conductive element disposed in the body; a first lead disposed on the body, wherein a first part of the first lead is disposed on a first surface of the body, a second part of the first lead is disposed on a second surface of the body and a third part of the first lead is disposed on a third surface of the body, wherein the first surface, the second surface and the third surface of the body are not coplanar with each other, wherein the first lead is electrically connected to the conductive element.Type: GrantFiled: September 28, 2015Date of Patent: February 20, 2018Assignee: CYNTEC CO., LTD.Inventors: Yung-Cheng Chang, Chih-Siang Chuang, Yi-Min Huang
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Patent number: 9805860Abstract: A magnetic device comprises a lead frame, a first core body and a coil. The lead frame has a first portion and a second portion spaced apart from the first portion. A first core body is disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening. A coil is disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively.Type: GrantFiled: January 19, 2017Date of Patent: October 31, 2017Assignee: CYNTEC CO., LTD.Inventors: Roger Hsieh, Cheng-Chang Lee, Chun-Tiao Liu, Yi-Min Huang, Chih-Siang Chuang
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Publication number: 20170133149Abstract: A magnetic device comprises a lead frame, a first core body and a coil. The lead frame has a first portion and a second portion spaced apart from the first portion. A first core body is disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening. A coil is disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively.Type: ApplicationFiled: January 19, 2017Publication date: May 11, 2017Inventors: Roger Hsieh, Cheng-Chang Lee, Chun-Tiao Liu, Yi-Min Huang, Chih-Siang Chuang
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Patent number: 9576710Abstract: A magnetic device comprises a lead frame, a first core body and a coil. The lead frame has a first portion and a second portion spaced apart from the first portion. A first core body is disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening. A coil is disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively.Type: GrantFiled: August 7, 2015Date of Patent: February 21, 2017Assignee: CYNTEC CO., LTD.Inventors: Roger Hsieh, Cheng-Chang Lee, Chun-Tiao Liu, Yi-Min Huang, Chih-Siang Chuang
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Publication number: 20170025208Abstract: An electronic component is disclosed, wherein electronic component comprises: a body; a conductive element disposed in the body; a first lead disposed on the body, wherein a first part of the first lead is disposed on a first surface of the body, a second part of the first lead is disposed on a second surface of the body and a third part of the first lead is disposed on a third surface of the body, wherein the first surface, the second surface and the third surface of the body are not coplanar with each other, wherein the first lead is electrically connected to the conductive element.Type: ApplicationFiled: September 28, 2015Publication date: January 26, 2017Inventors: YUNG-CHENG CHANG, CHIH-SIANG CHUANG, YI-MIN HUANG
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Publication number: 20160141087Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein the volume of the base is V1 and the volume of the pillar is V2; a coil wound on the pillar; and a magnetic body encapsulating the pillar, the coil and a portion of the base, wherein the ratio of V1 to V2 (V1/V2) is configured in a pre-determined range so as to reduce the total core loss of the inductor with the equivalent permeability of the inductor being between 28.511 and 52.949.Type: ApplicationFiled: November 15, 2015Publication date: May 19, 2016Inventors: Chun-Tiao Liu, Lan-Chin Hsieh, Tsung-Chan Wu, Chi-Hsun Lee, Chih-Siang Chuang