Samsung Electro-mechanics Co., Ltd.

Han Wool Ryu

Sang Kyun Kwon

Jung Hyuk Jung

Woon Chul Choi

Young Il Lee

Chang Hak Choi

Jong Suk Jeong

Byoung Hwa Lee

Woo Jin Lee

Jong Ho Chung

Ji Hye Oh

Chul Min Sim

Jin Ho Ku

Seong Jae Lee

Hyo Chan Oh

Byeong Cheol Moon

Hwan Soo Lee

Chang Ryul Jung

Il Jin Park

Yoon Hee Kim

Chui Min Sim

A coil electronic component includes a magnetic body that includes a substrate and a coil part. The coil part includes patterned insulating films disposed on a surface of the substrate and a plating layer formed between the patterned insulating films by plating and having a thickness greater than or equal to its width measured parallel to the surface of the substrate. The plating layer may be formed in a single plating operation, and may have a thickness of 200 μm or more.

Coil electronic component and method of manufacturing the same

An Fe-based nanocrystalline alloy is represented by Composition Formula, (FeMa)MBPCuM, where Mis at least one element selected from the group consisting of Co and Ni, Mis at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, Mis at least two elements selected from the group consisting of C, Si, Al, Ga, and Ge but necessarily includes C, and 0≤a≤0.5, 1.5<b≤3, 10≤c≤13, 0<d≤4, 0<e≤1.5, and 8.5≤g≤12.

Fe-based nanocrystalline alloy and electronic component using the same

A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.

Coil electronic component

A coil component includes a body having a coil portion embedded therein; and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic metal particles, and a plurality of indentations are formed in surfaces of at least some of the plurality of magnetic metal particles, and the surfaces of the magnetic metal particles connecting the plurality of indentations to each other are spherical.

Coil component

A coil component includes a body in which a coil portion is disposed, and external electrodes connected to the coil portion. The body includes metal particles formed of an Fe-based nanocrystal grain alloy, and the Fe-based nanocrystal grain alloy has one peak or two peaks in a differential scanning calorimetry (DSC) graph, and when the Fe-based nanocrystal grain alloy has the two peaks, a primary peak is smaller than a secondary peak, where the primary peak is at a lower temperature than the secondary peak.

A coil electronic component includes a body having a coil portion embedded therein, and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic portions having a form in which magnetic particles are dispersed in an insulator and one or more insulating portions disposed between the plurality of magnetic portions.

An Fe-based nanocrystalline alloy is represented by Composition Formula, (FeM)MBPCuM, where Mis at least one element selected from Co and Ni, Mis at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, Mis at least one element selected from the group consisting of C, Si, Al, Ga, and Ge, and 0&#x2264;a&#x2264;0.5, 2&#x2264;b&#x2264;3, 9&#x2264;c&#x2264;11, 1&#x2264;d&#x2264;2, 0.6&#x2264;e&#x2264;1.5, and 9&#x2264;g&#x2264;11.

A coil electronic component includes a magnetic body, wherein the magnetic body includes a substrate, and a coil part including patterned insulating films disposed on the substrate, a first plating layer formed between the patterned insulating films by plating, and a second plating layer disposed on the first plating layer.

An inductor includes a body including a coil and an encapsulant and an external electrode on an outer surface of the body. The encapsulant includes a first core surrounding the coil and a second core surrounding the first core. The first core includes a magnetic powder having high current characteristics, and the second core includes a magnetic powder having high capacity characteristics.

Inductor

A coil electronic component includes a body having a coil portion embedded therein and having a form in which magnetic particles are dispersed in a first insulating material, a first atomic layer deposition (ALD) layer formed along a surface of the coil portion using a second insulating material, a second ALD layer formed along a surface of the first ALD layer using a third insulating material, and external electrodes connected to the coil portion.

A coil electronic component includes a magnetic body that includes a substrate and a coil part. The coil part includes patterned insulating films disposed on a surface of the substrate and a plating layer formed between the patterned insulating films by plating and having a thickness greater than or equal to its width measured parallel to the surface of the substrate. The plating layer may be formed in a single plating operation, and may have a thickness of 200 &#x3bc;m or more.

A coil component includes a support member, an internal coil supported by the support member, and external electrodes connected to the internal coil. The external electrodes may each include a first layer coming into contact with the internal coil and a second layer disposed on a surface of the first layer. The first layer may serve as a buffer layer for improving a contact property between the internal coil and the external electrode. The second layer may be disposed to come into at least partial contact with a first end portion of the support member and a second end portion of the support member.

An inductor includes a body having a first magnetic portion above and below a coil, and a second magnetic portion above and below the first magnetic portion. The magnetic flux density of the magnetic substance in the first magnetic portion is higher than that of the magnetic substance in the second magnetic portion.

A coil component includes a body having a coil part disposed therein and an external electrode connected to the coil part. The body includes magnetic particles, and the magnetic particles include first magnetic particles, second magnetic particles, and third magnetic particles. A diameter of each of the first, second, and third magnetic particles is different from each other.

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Suwon-si, South Korea

Han Wool Ryu