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US 2019/0164689 A1Published application
Coil electronic component
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsYoung Il LEE, Han Wool RYU, Sang Kyun KWON
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Abstract
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.
Claims20
A coil electronic component comprising:
- a body comprising:
- magnetic particles dispersed in a first insulating material,
- a coil portion embedded in the first insulating material;
- a first atomic layer deposition (ALD) layer along a surface of the coil portion and formed of a second insulating material;
- a second ALD layer along a surface of the first ALD layer and formed of a third insulating material;
- and
- external electrodes connected to the coil portion.
4 more elements
A method of forming a coil electronic component comprising:
- forming a body by:
- forming a coil portion,
- conformally forming a physical vapor deposition (PVD) layer by PVD except atomic layer deposition (ALD), along a surface of the coil portion and formed of a first insulating material,
- forming magnetic particles dispersed in a second insulating material, and
- Embedding the coil portion in the second insulating material, and
- forming external electrodes connected to the coil portion.
3 more elements
Dependencies are inferred from the claim text.