Patents by Inventor Mean-Jue Tung
Mean-Jue Tung 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: 9414534Abstract: An electromagnetic interference (EMI) shielding device and manufacturing method thereof are provided. The EMI shielding device includes at least one ferrite material outer layer, a first and a second electrodes within the ferrite material outer layer, and a positive temperature coefficient resistor (PTCR) core layer sandwiched between the first and the second electrodes in the ferrite material outer layer. The first and the second electrodes extend to two ends of the ferrite material outer layer respectively.Type: GrantFiled: September 28, 2012Date of Patent: August 9, 2016Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Wen-Song Ko, Ming-Da Yang, Li-Chun Wang
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Publication number: 20150191574Abstract: Disclosed is a prepreg, including a reinforcing material and a polymer, wherein the polymer is polymerized from a monomer, an oligomer, or combinations thereof of an organic rod-like molecule. The organic rod-like molecule has at least one photo-polymerizable group. The organic rod-like molecule has the magnetic susceptibility along its long-axis direction (M1) greater than the magnetic susceptibility along other directions (M2), and the magnetic susceptibility ratio (M1/M2) is greater than 0.01 and less than 1.Type: ApplicationFiled: December 11, 2014Publication date: July 9, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Chin LEE, Meng-Song YIN, Mean-Jue TUNG, Wei-Ta YANG
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Patent number: 8993342Abstract: A magnetic separation unit is provided, including a first member made of non-magnetic materials comprising a trench extending within the first member and a second member made of magnetic materials including a protrusion portion protruding over a surface of the second member, wherein the first member connects the second member such that the trench functions as a fluid channel formed between the first and second members, and the protrusion portion of the second member is contained by the trench of the first member.Type: GrantFiled: June 13, 2011Date of Patent: March 31, 2015Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Yu-Ting Huang, Li-Kou Chen, Yi-Shan Lin, Hsiang-Ming Huang, Shinn-Zong Lin, Woei-Cherng Shyu, Hsiao-Jung Wang
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Patent number: 8701893Abstract: A magnetic separation device is provided, including a first magnetic field unit and a first separation unit disposed at a side of the first magnetic field unit. The first magnetic field unit includes a first magnetic yoke having opposite first and second surfaces, and a plurality of first magnets respectively disposed over the first and second surfaces, wherein the same magnetic poles of the plurality of first magnets face the first magnetic yoke. The first separation unit includes a body made of non-magnetic materials and a continuous piping disposed in the body, including at least one first section and at least one second section, wherein at least one second section is perpendicular to at least one first section, and at least one second section is adjacent to, and in parallel to a side of the first magnetic yoke not in contact with the plurality of first magnets.Type: GrantFiled: April 15, 2010Date of Patent: April 22, 2014Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Li-Kou Chen, Yu-Ting Huang, Hsin-Hsin Shen, Wei-Lin Yu, Yi-Shan Lin, Shinn-Zong Lin, Woei-Cherng Shyu, Hsiao-Jung Wang
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Publication number: 20130322047Abstract: An electromagnetic interference (EMI) shielding device and manufacturing method thereof are provided. The EMI shielding device includes at least one ferrite material outer layer, a first and a second electrodes within the ferrite material outer layer, and a positive temperature coefficient resistor (PTCR) core layer sandwiched between the first and the second electrodes in the ferrite material outer layer. The first and the second electrodes extend to two ends of the ferrite material outer layer respectively.Type: ApplicationFiled: September 28, 2012Publication date: December 5, 2013Inventors: Mean-Jue Tung, Wen-Song Ko, Ming-Da Yang, Li-Chun Wang
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Publication number: 20130146802Abstract: In an embodiment of the invention, a ferrite magnetic material is provided. The ferrite magnetic material has the following formula. (NiaCubZncMndMgeLifCog)xFeyOz In the formula, x+y=2.5-3.5, y+z=5.5-6.5, y=1.70-2.40, a=0.08-0.22, b=0.03-0.23, c=0.09-0.42, d=0.12-0.31, e=0.01-0.21, f=0.06-0.42 and g=0-0.06. In an embodiment, x+y=2.5-3.5, y+z=5.5-6.5, y=1.70-2.30, a=0.13-0.22, b=0.07-0.20, c=0.09-0.40, d=0.13-0.22, e=0.01-0.21, f=0.29-0.40 and g=0. In an embodiment, x+y=2.5-3.5, y+z=5.5-6.5, y=1.90-2.40, a=0.08-0.22, b=0.03-0.23, c=0.32-0.42, d=0.13-0.31, e=0.01-0.08, f=0.14-0.42 and g=0. In an embodiment, x+y=2.5-3.5, y+z=5.5-6.5, y=1.70-2.30, a=0.09-0.20, b=0.07-0.20, c=0.13-0.32, d=0.13-0.24, e=0.07-0.20, f=0.29-0.38 and g=0. In an embodiment, x+y=2.5-3.5, y+z=5.5-6.5, y=1.70-2.10, a=0.13-0.20, b=0.13-0.20, c=0.13-0.20, d=0.13-0.20, e=0.13-0.20, f=0.29-0.36 and g=0. In an embodiment, x+y=2.5-3.5, y+z=5.5-6.5, y=1.90-2.30, a=0.12-0.22, b=0.07-0.20, c=0.30-0.39, d=0.13-0.24, e=0.01-0.08, f=0.06-0.Type: ApplicationFiled: January 30, 2012Publication date: June 13, 2013Inventors: Chih-Wen CHEN, Mean-Jue Tung
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Publication number: 20120255913Abstract: A magnetic separation unit is provided, including a first member made of non-magnetic materials comprising a trench extending within the first member and a second member made of magnetic materials including a protrusion portion protruding over a surface of the second member, wherein the first member connects the second member such that the trench functions as a fluid channel formed between the first and second members, and the protrusion portion of the second member is contained by the trench of the first member.Type: ApplicationFiled: June 13, 2011Publication date: October 11, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mean-Jue Tung, Yu-Ting Huang, Li-Kou Chen, Yi-Shan Lin, Hsiang-Ming Huang, Shinn-Zong Lin, Woei-Cherng Shyu, Hsiao-Jung Wang
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Patent number: 8054149Abstract: This invention discloses a monolithic inductor including a body made by compressing a magnetic powder, a coil positioned in the body, and a permanent magnet positioned in the body and in a magnetic circuit formed by applying current to the coil. The monolithic inductor of this invention includes the magnetic body containing the permanent magnet and the coil. The permanent magnet in the magnetic circuit (path of magnetic flux lines) formed by applying current to the coil generates a reverse-bias magnetic field, thereby increasing the operating range of the magnetic body, the saturation current of the magnetic body, and the rated current of the inductor.Type: GrantFiled: July 3, 2007Date of Patent: November 8, 2011Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Wen-Song Ko, Yu-Ting Huang, Yen-Ping Wang
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Patent number: 7982345Abstract: A displacement type generator including a magnet set and a coil set is provided. The magnet set includes a magnet with unidirectional magnetization and a first multi-polar magnetic structure, wherein the first multi-polar magnetic structure is disposed on the magnet. The coil set includes a magnetic center pole, a coil and a second multi-polar magnetic structure. The coil is wound on the magnetic center pole. The second multi-polar magnetic structure is disposed on the magnetic center pole and is adjacent to the first multi-polar magnetic structure. As a relative movement is generated between the magnet set and the coil set, the magnetic flux changes and causes the coil to output an induced voltage.Type: GrantFiled: April 2, 2009Date of Patent: July 19, 2011Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Yu-Ting Huang
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Publication number: 20110159317Abstract: A flexible sheet with high magnetic permeability is disclosed, including a magnetic ferrite sintering sheet including a plurality of pieces separated by micro gaps and a first flexible layer attached to a first side of the magnetic ferrite sintering sheet, wherein the pieces of the magnetic ferrite sintering sheet include a first protruding and recessing structure and a second protruding and recessing structure at opposite sides of one of the micro gaps, and the first protruding and recessing structure and the second protruding and recessing structure are matched with each other.Type: ApplicationFiled: July 27, 2010Publication date: June 30, 2011Inventors: Mean-Jue TUNG, Wen-Song KO, Yu-Ting HUANG, Li-Chun WANG
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Publication number: 20110147278Abstract: A magnetic separation device is provided, including a first magnetic field unit and a first separation unit disposed at a side of the first magnetic field unit. The first magnetic field unit includes a first magnetic yoke having opposite first and second surfaces, and a plurality of first magnets respectively disposed over the first and second surfaces, wherein the same magnetic poles of the plurality of first magnets face the first magnetic yoke. The first separation unit includes a body made of non-magnetic materials and a continuous piping disposed in the body, including at least one first section and at least one second section, wherein at least one second section is perpendicular to at least one first section, and at least one second section is adjacent to, and in parallel to a side of the first magnetic yoke not in contact with the plurality of first magnets.Type: ApplicationFiled: April 15, 2010Publication date: June 23, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mean-Jue Tung, Li-Kou Chen, Yu-Ting Huang, Hsin-Hsin Shen, Wei-Lin Yu, Yi-Shan Lin, Shinn-Zong Lin, Woei-Cherng Shyu, Hsiao-Jung Wang
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Publication number: 20100156201Abstract: A displacement type generator including a magnet set and a coil set is provided. The magnet set includes a magnet with unidirectional magnetization and a first multi-polar magnetic structure, wherein the first multi-polar magnetic structure is disposed on the magnet. The coil set includes a magnetic center pole, a coil and a second multi-polar magnetic structure. The coil is wound on the magnetic center pole. The second multi-polar magnetic structure is disposed on the magnetic center pole and is adjacent to the first multi-polar magnetic structure. As a relative movement is generated between the magnet set and the coil set, the magnetic flux changes and causes the coil to output an induced voltage.Type: ApplicationFiled: April 2, 2009Publication date: June 24, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mean-Jue Tung, Yu-Ting Huang
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Patent number: 7429907Abstract: The present invention relates to a power inductor having a heat dissipating structure formed on the surface thereof, which comprises: at least a conducting wire; and a cladding, made of a magnetic material for wrapping the conductive wire, having the heat dissipating structure of embossed patterns formed on the surface thereof. Preferably, the embossed pattern can be a cone, a cuboid, a column, or the combination thereof. Moreover, the length of any edge or the diameter of any one of the embossed patterns is about 1%˜50% of that of the power inductor, and the height of any one of the embossed patterns is about 1%˜50% of the thickness of the power inductor.Type: GrantFiled: October 27, 2006Date of Patent: September 30, 2008Assignee: Industrial Technology Research InstituInventors: Mean-Jue Tung, Wen-Song Ko, Yu-Ting Huang, Ping-Feng Hsu, Yen-Ping Wang
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Publication number: 20080157912Abstract: This invention discloses a monolithic inductor including a body made by compressing a magnetic powder, a coil positioned in the body, and a permanent magnet positioned in the body and in a magnetic circuit formed by applying current to the coil. The monolithic inductor of this invention includes the magnetic body containing the permanent magnet and the coil. The permanent magnet in the magnetic circuit (path of magnetic flux lines) formed by applying current to the coil generates a reverse-bias magnetic field, thereby increasing the operating range of the magnetic body, the saturation current of the magnetic body, and the rated current of the inductor.Type: ApplicationFiled: July 3, 2007Publication date: July 3, 2008Inventors: Mean-Jue Tung, Wen-Song Ko, Yu-Ting Huang, Yen-Ping Wang
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Patent number: 7342823Abstract: A tunneling magnetoresistance device with high magnetoimpedance effect, a first ferromagnetic layer, a second ferromagnetic layer, and a tunnel barrier layer which is located between the first ferromagnetic layer and the second ferromagnetic layer. Wherein an alternating current is applied to the tunneling magnetoresistance device, the tunneling magnetoresistance device has at least 100% variation of real components between an applied first alternating frequency and an applied second alternating frequency, at least 25% variation of imaginary components below the first alternating frequency, and at least 8.5% variation of magneto capacitance (MC) ratio which are generated along the magnetization direction.Type: GrantFiled: July 27, 2005Date of Patent: March 11, 2008Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Shi-Yuan Tong, Minn-Tsong Lin, Yin-Ming Chang, Kai-Shin Li
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Publication number: 20070152792Abstract: The present invention relates to a power inductor having a heat dissipating structure formed on the surface thereof, which comprises: at least a conducting wire; and a cladding, made of a magnetic material for wrapping the conductive wire, having the heat dissipating structure of embossed patterns formed on the surface thereof. Preferably, the embossed pattern can be a cone, a cuboid, a column, or the combination thereof. Moreover, the length of any edge or the diameter of any one of the embossed patterns is about 1%˜50% of that of the power inductor, and the height of any one of the embossed patterns is about 1%˜50% of the thickness of the power inductor.Type: ApplicationFiled: October 27, 2006Publication date: July 5, 2007Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mean-Jue Tung, Wen-Song Ko, Yu-Ting Huang, Ping-Feng Hsu, Yen-Ping Wang
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Publication number: 20060138505Abstract: A tunneling magnetoresistance device with high magnetoimpedance effect, comprising: a first ferromagnetic layer, a second ferromagnetic layer, and a tunnel barrier layer which is located between the first ferromagnetic layer and the second ferromagnetic layer. Wherein an alternating current is applied to the tunneling magnetoresistance device, the tunneling magnetoresistance device has at least 100% variation of real components between an applied first alternating frequency and an applied second alternating frequency, at least 25% variation of imaginary components below the first alternating frequency, and at least 8.5% variation of magneto capacitance (MC) ratio which are generated along the magnetization direction.Type: ApplicationFiled: July 27, 2005Publication date: June 29, 2006Inventors: Mean-Jue Tung, Shi-Yuan Tong, Minn-Tsong Lin, Yin-Ming Chang, Kai-Shin Li
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Patent number: 6569346Abstract: A ferrite with a high permeability and a high dielectric constant is introduced. Raw material powders, such as TiO2, Fe2O3 and the oxide of Mn, Ni, Cu, Mg, Li or Zn is prepared and combined in the proportion Tix(MFe2O4+2x/y)y, where x+y=1 and 0<×<1. M is any one of a mixture of metals selected from Mn, Ni, Cu, and Zn. The ratio between x and y can be adjusted according to practical needs to obtain ferrites with different permeabilities and dielectric constants. The ferrite can simultaneously be a magnetic material and a dielectric material in an electronic element. This can avoid the possible drawbacks due to sintering of two different materials in the prior art.Type: GrantFiled: December 28, 2001Date of Patent: May 27, 2003Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Yu-Ting Huang, Yen-Ping Wang
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Patent number: 6384705Abstract: A miniaturized common mode EMI filter with a greatly simplified design so that it can be manufactured very economically. The common mode filter includes: (a) a magnetic main body; (b) a pair of substantially identical electrically conductive planar coils embedded in the magnetic main body; and (c) an insulative planar coil sandwiched between the pair of electrically conductive planar coils, wherein the insulative planar coil has a pattern that is substantially identical to and inclusive of the pattern of the electrically conductive planar coils so as to insulate the pair of electrically conductive planar coil from each other. The common mode filter retains low normal mode impedance and high common mode impedance, with a substantially reduced physical size, so that it can cost-effectively maintain a high fidelity of the normal mode waveform of signals for electronic devices that utilize differential transmission technology and keep the common mode EMI noise to a minimum.Type: GrantFiled: December 30, 1999Date of Patent: May 7, 2002Assignee: Industrial Technology Research InstituteInventors: Yu-Ting Huang, Wen-Song Ko, Mean-Jue Tung, Hong-Ching Lin, Li-Jiun Wang
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Patent number: 6137390Abstract: An inductor with enhanced inductance and reduced electromagnetic inductance (EMI) interference. It contains: (a) a magnetic core; (b) an electrically conducting coil wound about the magnetic core; and (c) a magnetic resin layer compression-molded to embed at least a portion of the outer periphery of the electrically conducting coil. The magnetic resin contains a magnetic powder dispersed in a polymer resin. For relatively low inductance inductors, instead of being of a hard metal rod, the magnetic core can be made of the same material as the magnetic resin. The inductance of the inductor can be controlled by controlling the magnetic permeability of the magnetic resin or the thickness of the magnetic resin layer, or both. The magnetic core can be a magnetic metal/metal oxide core, or a consolidated magnetic core made of the same or different magnetic resin as the magnetic resin layer. A metal magnetic sheath can be further provided outside of the magnetic resin layer.Type: GrantFiled: May 3, 1999Date of Patent: October 24, 2000Assignee: Industrial Technology Research InstituteInventors: Mean-Jue Tung, Yu-Ting Huang