Patent application number | Description | Published |
20100102917 | INDUCTOR - An inductor includes a first core, a second core, a protruding structure, at least two gaps and a conducting wire. The first core has a protruding portion. The second core is disposed opposite to the first core. The protruding structure protrudes from the protruding portion of the first core and toward the second core. The at least two gaps are between the protruding portion of the first core and the second core. The conducting wire winds around at least one of the first and second cores. The conducting wire has a specific resistance value of 1.42 μΩm or lower. | 04-29-2010 |
20100182114 | METHOD FOR ADJUSTING INDUCTANCE OF CHOKE AND METHOD FOR DESIGNING CHOKE - A method for adjusting the inductance of a choke is provided by the present invention. The method includes with an unchanged structure and unchanged dimensions of the core of the choke, changing the kind of the magnetic materials composing the cores so as to adjust the magnetic permeability of the magnetic material. In addition, the present invention also provides a method for designing a choke, the method includes determining the structure of a first choke and a second choke, determining the dimensions of the cores of the chokes, and selecting magnetic materials composing the cores. | 07-22-2010 |
20100182115 | WIRE WOUND TYPE CHOKE COIL - A choke coil including a drum-core and at least one wire is provided. The drum-core includes a pillar, a first board and a second board. Two ends of the pillar are respectively connected to the first board and the second board. A material of the drum-core includes ferrous alloy. The wire has a winding portion wrapped around the pillar. | 07-22-2010 |
20100219924 | CHOKE - An electronic device including a core, at least a wire and a magnetic material is provided. The core includes a pillar, a top board and a bottom board. The pillar is disposed between the top board and the bottom board. An area of the top board is smaller than an area of the bottom board. A winding space is fanned among the top board, the bottom board and the pillar. The wire is winded around the pillar and located in the winding space. The magnetic material fills the winding space to encapsulate the wire. The magnetic material includes a resin and a metallic powder, wherein an average particle diameter of the magnetic powder is smaller than 20 μm. | 09-02-2010 |
20100289609 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - An electronic device including a magnetic body and a wire is provided. The magnetic body has a first magnetic powder and a second magnetic powder mixed with the first magnetic powder. The Vicker's Hardness of the first magnetic powder is greater than that of the second magnetic powder and the mean particle diameter of the first magnetic powder is greater than that of the second magnetic powder. | 11-18-2010 |
20100308950 | CHOKE - A choke including a core and a hollow coil is provided. The core includes a first core body and a second core body. The first core body includes a pillar. The second core body is a flat plate and has an opening. An end of the pillar is suitable to be disposed in the opening and joined to the same. The hollow coil is fitted on the pillar. | 12-09-2010 |
20120086534 | CHOKE HAVING A CORE WITH A PILLAR HAVING A NON-CIRCULAR AND NON-RECTANGULAR CROSS SECTION - A choke includes a single-piece core entirely made of a same material, the single-piece core having two boards and a pillar located between the two boards, a winding space being located among the two boards and the pillar, wherein the pillar has a non-circular and non-rectangular cross section along a direction substantially perpendicular to an axial direction of the pillar, the cross section of the pillar has a first axis and a second axis intersecting with each other at a center of the cross section of the pillar and are substantially perpendicular with each other, the first axis is longer than the second axis, and the cross section of the pillar is substantially symmetrical to both of the first axis and the second axis. | 04-12-2012 |
20120299687 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - An electronic device including a magnetic body and a wire is provided. The magnetic body has a first magnetic powder and a second magnetic powder mixed with the first magnetic powder. The Vicker's Hardness of the first magnetic powder is greater than that of the second magnetic powder and the mean particle diameter of the first magnetic powder is greater than that of the second magnetic powder. | 11-29-2012 |
20130229251 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - An electronic device comprising a first magnetic powder, a second magnetic powder and a conducting wire buried in the mixture of the first magnetic powder and the second magnetic powder is provided. The conducting wire comprises an insulating encapsulant and a conducting metal encapsulated by the insulating encapsulant. The Vicker's Hardness of the first magnetic powder is greater than the Vicker's Hardness of the second magnetic powder, and the mean particle diameter of the first magnetic powder is larger than the mean particle diameter of the second magnetic powder. By means of the hardness difference of the first magnetic powder and the second magnetic powder, the mixture of the first magnetic powder and the second magnetic powder and the conducting wire buried therein are combined to form an integral magnetic body at the temperature lower than the melting point of the insulating encapsulant. | 09-05-2013 |
20130328653 | CHOKE - A choke includes a single-piece core made of a same material, the single-piece core having a first board, a second board, and a pillar located between the first and second boards, a winding space located among the first board, the second board and the pillar, wherein the pillar has a non-circular and non-rectangular cross section having a first axis and a second axis substantially perpendicularly intersecting with each other at a center of the cross section of the pillar, and wherein a circumference of the cross section of the pillar includes two arc edges, four first substantially straight edges substantially parallel to the first axis, and two second substantially straight edges substantially parallel to the second axis, each of the first substantially straight edges being a joint of and in direct contact with one of the arc edges and one of the second substantially straight edges. | 12-12-2013 |
20140055226 | VARIABLE COUPLED INDUCTOR - 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. | 02-27-2014 |
20140097931 | Choke - An electronic device including a core, at least a wire and a magnetic material is provided. The core includes a pillar, a top board and a bottom board. The pillar is disposed between the top board and the bottom board. An area of the top board is smaller than an area of the bottom board. A winding space is formed among the top board, the bottom board and the pillar. The wire is winded around the pillar and located in the winding space. The magnetic material fills the winding space to encapsulate the wire. The magnetic material includes a resin and a metallic powder, wherein an average particle diameter of the magnetic powder is smaller than 20 μm. | 04-10-2014 |
20140266533 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - An electronic device comprising a first magnetic powder; a second magnetic powder, wherein the mean particle diameter of the first magnetic powder is larger than the mean particle diameter of the second magnetic powder, wherein the ratio of the mean particle diameter of the first magnetic powder to the mean particle diameter of the second magnetic powder is greater than 2, and the first magnetic powder mixes with the second magnetic powder; and a conducting wire buried in the mixture of the first magnetic powder and the second magnetic powder; wherein the mixture of the first magnetic powder and the second magnetic powder and the conducting wire buried therein are combined to form an integral magnetic body at a temperature lower than the melting point of conducting wire. | 09-18-2014 |
20150021083 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - An electronic device comprising a first magnetic powder; a second magnetic powder, wherein the mean particle diameter of the first magnetic powder is larger than the mean particle diameter of the second magnetic powder, the Vicker's Hardness of the first magnetic powder is greater than the Vicker's Hardness of the second magnetic powder by a first hardness difference, and the first magnetic powder mixes with the second magnetic powder; and a conducting wire buried in the mixture of the first magnetic powder and the second magnetic powder; wherein by means of the first hardness difference of the first magnetic powder and the second magnetic powder, the mixture of the first magnetic powder and the second magnetic powder and the conducting wire buried therein are combined to form an integral magnetic body at a temperature lower than the melting point of the conducting wire. | 01-22-2015 |
20150023829 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - A method for manufacturing an electronic device, the method comprising: providing a conducting wire; forming a mixture with the conducting wire buried therein, wherein the mixture comprises: a first magnetic powder and a second magnetic powder, wherein the mean particle diameter of the first magnetic powder is larger than the mean particle diameter of the second magnetic powder, and the Vicker's Hardness of the first magnetic powder is greater than the Vicker's Hardness of the second magnetic powder by a first hardness difference; and performing a molding process on the conducting wire and the mixture, wherein by means of the first hardness difference of the first magnetic powder and the second magnetic powder, the mixture and the conducting wire buried therein are combined to form an integral magnetic body at a temperature lower than the melting point of the conducting wire. | 01-22-2015 |