Patents by Inventor Chi-Hsun Lee
Chi-Hsun Lee 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: 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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Publication number: 20240079346Abstract: An electronic component includes a board, an electronic device, and a stiffening structure is provided. The electronic device is disposed on the board. The stiffening structure is disposed on the board. The stiffening structure includes a ring portion corresponding the edge of the board. The stiffening structure includes a core base and a cladding layer. The cladding layer covers the core base.Type: ApplicationFiled: September 1, 2022Publication date: March 7, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Yang Yu, Jung-Wei Cheng, Yu-Min Liang, Chien-Hsun Lee
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Patent number: 11769621Abstract: A method to form an electrical component, comprising: overlaying a conductive and adhesive layer on a body and covering a first portion of a terminal part of a conductive element, wherein a second portion of the terminal part of the conductive element is not covered by the conductive and adhesive layer; and overlaying at least one metal layer on the conductive and adhesive layer and covering the second portion of the terminal part of the conductive element, wherein the at least one metal layer is electrically connected to the second portion of the terminal part of the conductive element for electrically connecting with an external circuit.Type: GrantFiled: January 1, 2020Date of Patent: September 26, 2023Assignee: CYNTEC CO., LTD.Inventors: Chi-Hsun Lee, Hsieh-Shen Hsieh, Sen-Huei Chen
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Publication number: 20220384088Abstract: A coupled inductor has two pillars that are aligned in a vertical direction, wherein a first coil and a second coil are respectively wound around one of the two pillars, respectively, wherein the bottom surface of winding turns of the first coil and the bottom surface of winding turns of the second coil are separated by a gap, wherein a magnetic material is disposed in the gap and a straight line that is enclosed by each of the first coil and the second coil passes through the two pillars.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Inventors: Chi-Hsun Lee, Min-Feng Chung
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Patent number: 11462351Abstract: A coupled inductor has two pillars that are aligned in a vertical direction, wherein a first coil and a second coil are respectively wound around one of the two pillars, respectively, wherein the bottom surface of winding turns of the first coil and the bottom surface of winding turns of the second coil are separated by a gap, wherein a magnetic material is disposed in the gap and a straight line that is enclosed by each of the first coil and the second coil passes through the two pillars.Type: GrantFiled: December 22, 2018Date of Patent: October 4, 2022Assignee: CYNTEC CO., LTD.Inventors: Chi-Hsun Lee, Min-Feng Chung
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Publication number: 20220130599Abstract: A recess is formed on a bottom surface of a body of an inductor, wherein an electrode for connecting to a ground is disposed in the recess, and an electrode connecting with a coil of the inductor is disposed on a protruding portion adjacent to the recess.Type: ApplicationFiled: October 22, 2021Publication date: April 28, 2022Inventors: CHI-HSUN LEE, Min-Feng Chung
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Publication number: 20220130603Abstract: At least one shielding layer made of conductive material is formed on a body of an inductor, wherein at least one portion of the top surface of the body is exposed from the shielding layer, so as to provide an exhaust channel for moisture inside the body to leak to the outside of the body, thereby preventing the residual moisture from deforming the inductor due to thermal expansion.Type: ApplicationFiled: October 22, 2021Publication date: April 28, 2022Inventors: CHI-HSUN LEE, Min-Feng Chung
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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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Publication number: 20200135386Abstract: method to form an electrical component, comprising: overlaying a conductive and adhesive layer on a body and covering a first portion of a terminal part of a conductive element, wherein a second portion of the terminal part of the conductive element is not covered by the conductive and adhesive layer; and overlaying at least one metal layer on the conductive and adhesive layer and covering the second portion of the terminal part of the conductive element, wherein the at least one metal layer is electrically connected to the second portion of the terminal part of the conductive element for electrically connecting with an external circuit.Type: ApplicationFiled: January 1, 2020Publication date: April 30, 2020Inventors: CHI-HSUN LEE, HSIEH-SHEN HSIEH, SEN-HUEI CHEN
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Patent number: 10553349Abstract: An inductor having a magnetic body, wherein a recess is formed in the magnetic body; a coil, formed by a conductive wire and disposed in the magnetic body, wherein a first terminal part of the conductive wire is placed on a bottom surface of the recess, wherein a first portion of the first terminal part is embedded inside the recess, wherein a second portion of the first terminal part is exposed from the magnetic body; and an electrode structure is disposed on the magnetic body, wherein a portion of the axial surface of a first end of the conductive wire is encapsulated by the magnetic body without being encapsulated by the electrode structure, and wherein at least one portion of the electrode structure is disposed over the bottom surface of the recess and in contact with the second portion of the first terminal part of the conductive wire for connecting with an external circuit.Type: GrantFiled: April 11, 2017Date of Patent: February 4, 2020Assignee: CYNTEC CO., LTDInventors: Chi-Hsun Lee, Hsieh-Shen Hsieh, Sen-Huei Chen
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Publication number: 20190198229Abstract: A coupled inductor has two pillars that are aligned in a vertical direction, wherein a first coil and a second coil are respectively wound around one of the two pillars, respectively, wherein the bottom surface of winding turns of the first coil and the bottom surface of winding turns of the second coil are separated by a gap, wherein a magnetic material is disposed in the gap and a straight line that is enclosed by each of the first coil and the second coil passes through the two pillars.Type: ApplicationFiled: December 22, 2018Publication date: June 27, 2019Inventors: Chi-Hsun Lee, Min-Feng Chung
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Patent number: 10224138Abstract: An electrical component is disclosed, wherein the electrical component comprises: a body; a conductive element disposed in the body; a first metal layer, disposed on the body and electrically connected to a terminal of the conductive element; a conductive and adhesive layer, overlaying on the first metal layer; and a second metal layer, overlaying on the first metal layer and the conductive and adhesive layer, wherein a first conductive path is formed from the terminal of the conductive element to the second metal layer via the first metal layer and the conductive and adhesive layer, and a second conductive path is formed from the terminal of the conductive element to the second metal layer via the first metal layer without passing through the conductive and adhesive layer.Type: GrantFiled: October 30, 2017Date of Patent: March 5, 2019Assignee: CYNTEC CO., LTD.Inventors: Chi-Hsun Lee, Hsieh-Shen Hsieh, Sen-Huei Chen
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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: 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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Publication number: 20180053592Abstract: An electrical component is disclosed, wherein the electrical component comprises: a body; a conductive element disposed in the body; a first metal layer, disposed on the body and electrically connected to a terminal of the conductive element; a conductive and adhesive layer, overlaying on the first metal layer; and a second metal layer, overlaying on the first metal layer and the conductive and adhesive layer, wherein a first conductive path is formed from the terminal of the conductive element to the second metal layer via the first metal layer and the conductive and adhesive layer, and a second conductive path is formed from the terminal of the conductive element to the second metal layer via the first metal layer without passing through the conductive and adhesive layer.Type: ApplicationFiled: October 30, 2017Publication date: February 22, 2018Inventors: CHI-HSUN LEE, HSIEH-SHEN HSIEH, SEN-HUEI CHEN
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Patent number: 9831023Abstract: An electrical component is disclosed, wherein the electrical component comprises: a body; a conductive element disposed in the body, wherein at least one portion of a terminal part of the conductive element is exposed outside of the body; a metal foil having an adhesive material on the bottom surface thereof, the metal foil being adhered on the body through the adhesive material and covering a first portion of the terminal part of the conductive element, wherein a second portion of the terminal part of the conductive element is not covered by the metal foil; and a metal layer, overlaying on the metal foil and covering the second portion of the terminal part of the conductive element, wherein the metal layer is electrically connected to the second portion of the terminal part of the conductive element for electrically connecting with an external circuit.Type: GrantFiled: July 6, 2015Date of Patent: November 28, 2017Assignee: CYNTEC CO., LTD.Inventors: Chi-Hsun Lee, Hsieh-Shen Hsieh, Sen-Huei Chen
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Publication number: 20170229234Abstract: An inductor having a magnetic body, wherein a recess is formed in the magnetic body; a coil, formed by a conductive wire and disposed in the magnetic body, wherein a first terminal part of the conductive wire is placed on a bottom surface of the recess, wherein a first portion of the first terminal part is embedded inside the recess, wherein a second portion of the first terminal part is exposed from the magnetic body; and an electrode structure is disposed on the magnetic body, wherein a portion of the axial surface of a first end of the conductive wire is encapsulated by the magnetic body without being encapsulated by the electrode structure, and wherein at least one portion of the electrode structure is disposed over the bottom surface of the recess and in contact with the second portion of the first terminal part of the conductive wire for connecting with an external circuit.Type: ApplicationFiled: April 11, 2017Publication date: August 10, 2017Inventors: CHI-HSUN LEE, HSIEH-SHEN HSIEH, SEN-HUEI CHEN
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Patent number: 9653205Abstract: An electrical component is disclosed, wherein the electrical component comprises: a body; a conductive element, disposed in the body, wherein at least one portion of a first terminal part of the conductive element is exposed outside of the body; a conductive and adhesive layer, overlaying on the body and covering a first portion of the terminal part of the conductive element, wherein a second portion of the terminal part of the conductive element is not covered by the conductive and adhesive layer; and at least one metal layer, overlaying on the conductive and adhesive layer and covering the second portion of the terminal part of the conductive element, wherein the at least one metal layers is electrically connected to the second portion of the terminal part of the conductive element for electrically connecting with an external circuit.Type: GrantFiled: April 29, 2015Date of Patent: May 16, 2017Assignee: CYNTEC CO., LTD.Inventors: Chi-Hsun Lee, Hsieh-Shen Hsieh, Sen-Huei Chen
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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