Lg Innotek Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Scramoge Technology Limited

Hyundai Motor Company

Kia Corporation

Hyundai Wia Corporation

Lg Innotekco., Ltd.

Kia Motors Corporation

Soongsil University

Chonnam National University

Korea Electrical Safety Corporation

Seok Bae

Sang Won Lee

Jai Hoon Yeom

So Yeon Kim

Ji Yeon Song

Soon Young Hyun

Hee Jung Lee

Jin Mi Noh

Yu Seon Kim

Jong Hyuk Lee

Won Ha Moon

Hyun Ji Lee

Hyung Eui Lee

Mi Jin Lee

Nam Yang Lee

Jong Wook Lim

Don Chul Choi

Sung Su Yoo

Hyun Min Nah

Hee Il Kim

In Young Kim

Mano Yasuhiko

Jae Hyun Kim

Geun Ho Kim

Hyung Kyu Yoon

Jung Eun Lee

Sang Hak Lee

Young Jae Lee

Chang Hee Jeong

Bum Jae Lee

Jae Hoo Jung

Taek Hoon Nam

Soo Kwang Yoon

Hyun Min Na

Dong Hyeok Choi

Yong Jae Kwon

Jong Soo Han

Donchul Choi

Sung Hoon Kim

Jae Suk Sung

Dong Hwan Kim

Jung Hwan Choi

Dong Woo Kang

Dong Keun Lee

Hee Seok Choi

Won Jun Choi

Hyun Gyu Park

Seok Beom Choi

Man Hue Choi

Young Ju Han

Seok Gyu Yoon

Deok Ki Hwang

Jong Heum Yoon

Ju Yeon Won

Hyun Kyu Park

Jin Seok Moon

Hyun Seok Lim

Jung Ki Lee

Young Tack Park

Yeo Eun Yoon

Pil Geun Kang

Hyung Mi Jung

Yeong Wook Cho

In Seong Sohn

Heejung Lee

Je Min Kim

Hee Joon Kim

Won Kyu Park

Hyo Yun Jung

Myung Joong Jeon

Gi Hyun Kim

Yeong Seog Lim

In Ho Jeon

Sung Sig Kim

Goon Seung Gong

Sung Hyuk Bang

Young Rok Park

Tae Don Lee

Hyun Sung Oh

Na Young Kwon

Sang Ick Lee

Jee Hue Joo

An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

Inductor and EMI filter including the same

An embodiment discloses a method of manufacturing a rare-earth magnet, the method including: preparing a magnetic sintered body including RE, Fe, and B as compositional components (RE is selected from one or two or more selected from rare earth elements); applying a solution containing a grain boundary diffusion material to the sintered body; and performing grain boundary diffusion by heat-treating the sintered body, wherein the grain boundary diffusion material includes a heavy rare earth element (HREE) hydride and a light rare earth element (LREE) hydride.

Method for manufacturing rare earth magnet

A drive axle assembly includes a wheel bearing mounted to an axle housing, a shaft assembly including a first shaft on an inboard side thereof to which a driving force of a power train is transmitted, and a second shaft on an outboard side thereof which is shaft-connected to the inside of the axle housing by a constant-velocity joint and is separably assembled to the first shaft, and a boot assembly including a first end portion fixed to an external ring of the wheel bearing and a second end portion assembled to the shaft assembly to be rotatable relative to the shaft assembly, and configured to restrict rotation of the boot and prevent foreign substances from being introduced therein.

Drive axle assembly

A hub built-in type drive axle includes one hub housing assuming a role of an external race of a constant velocity joint and a role of a wheel hub simultaneously, wherein the outboard constant velocity joint center is positioned within the full length of the hub housing, and a structure in which a bear housing and a boot assembly ring, including a boot, do not rotate whether the driveshaftrotates is maintained so that performance may be improved, durability may be enhanced, and noise may be minimized.

Hub built-in type drive axle

An inductor according to one embodiment of the present invention comprises: a core part; a coil part having one or more coils which are wound around the midfoot of the core part and which have two ends; and a base which is arranged beneath the coil part and which supports at least a part of the outer circumferential surface of each of the one or more coils, wherein the base can comprise: a frame having a hollow hole, which is formed at the center thereof so as to include a longer shaft and a shorter shaft; and a support part having a plurality of support members protruding toward the outer circumferential surface, so as to encompass at least a part of the outer circumferential surface.

Magnetic element and flat panel display device comprising same

The present invention relates to a transformer and, more specifically, to a transformer including a secondary coil portion on which a conductive plate is stacked. A transformer according to one embodiment of the present invention can comprise: a bobbin; a core portion coupled to the bobbin along the outer side of the bobbin; and a plurality of conductive plates inserted into the bobbin and stacked in a thickness direction.

Transformer

The present invention relates to a magnetic core using a different type of magnetic material. The magnetic core according to one embodiment may comprise: a ferrite powder comprising manganese (Mn), zinc, iron, and oxygen (O); and a metal alloy powder made of at least two substances from among nickel (Ni), iron (Fe), aluminum (Al), molybdenum (Mo), and silicon (Si). Here, the magnetic core can comprise 67 to 72 wt % of the ferrite powder and 28 to 33 wt % of the metal alloy powder.

Magnetic core using composite material

An inductor according to an embodiment of the present invention may include: a plurality of first E-type cores, each of which has a base unit and a center leg extending in a first direction from the base unit; a first I-type core arranged in the first direction from the plurality of first E-type cores; and a coil wound around the center leg of each of the plurality of first E-type cores. Here, the plurality of E-type cores may be arranged in a line along the first direction.

Inductor and DC converter including same

The present invention pertains to a transformer, and more specifically, to a transformer which includes a primary coil unit comprising wound conductive lines, and a secondary coil unit in which conductive plates are stacked. The transformer according to an embodiment of the present invention may include: a bobbin; a core unit which is coupled to the bobbin along the outer side of the bobbin; and a plurality of conductive plates which are inserted into the bobbin and stacked in the thickness direction.

The present invention relates to a transformer and, more specifically, to a transformer including a secondary coil part which comprises stacked conductive plates. A transformer according to an embodiment of the present invention may comprise: a core part having a middle leg and outer legs; a secondary coil part including multiple conductive plates vertically stacked to form coil turns around the middle leg; and a primary coil part including conductive wires wound to form coil turns around the respective outer legs.

Transformer and DC-DC converter including same

A ferrite core according to an embodiment of the present invention includes a plurality of grains including Mn at 30 to 40 mol %, Zn at 5 to 15 mol %, and Fe at 50 to 60 mol %, and a plurality of grain boundaries disposed between the plurality of grains, wherein the plurality of grains and the plurality of grain boundaries include Co, Ni, SiO, CaO, and TaO, content of the Co and the Ni in the plurality of grains is two or more times higher than content of the Co and the Ni in the plurality of grain boundaries, content of the SiO, the CaO, and the TaOin the plurality of grain boundaries is two or more times higher than content of the SiO, the CaO, and the TaOin the plurality of grains, a magnetic permeability is 3000 or more, and a core loss is 800 or less.

Ferrite core and coil component comprising same

Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.

Wireless charging and communication board and wireless charging and communication device

A wireless power receiving apparatus which wirelessly charges power according to one embodiment of the present invention includes a substrate, a soft magnetic layer which is laminated on the substrate and is formed with a plurality of patterns including at least 3 lines radiated from predetermined points, and a coil which is laminated on the soft magnetic layer and receives electromagnetic energy radiated from a wireless power transmitting apparatus.

Magnetic sheet and wireless power reception apparatus

A magnetic sheet according to an embodiment of the present invention comprises: a first soft magnetic layer including a first surface and a second surface opposite to the first surface; a first resin layer disposed on the first surface of the first soft magnetic layer and having a first viscosity; a second soft magnetic layer disposed on the first resin layer; and a second resin layer disposed between the first soft magnetic layer and the first resin layer and having a second viscosity different from the first viscosity, wherein the second resin layer comprises a plurality of magnetic particles, the first soft magnetic layer includes a plurality of crack areas propagated from the first surface toward the second surface, and a part of the second resin layer is disposed in the plurality of crack areas.

Magnetic sheet and wireless power module comprising same

Growing community of inventors

Seoul, South Korea

Seok Bae