COIL COMPONENT

• Main Authors: CHA, IL HO, SEO, YOUN SOO, JUN, HO IN
• Format: Patent
• Language: English; Korean
• Published: 29.08.2017
• Subjects: BASIC ELECTRIC ELEMENTS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INDUCTANCES; MAGNETS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

According to an embodiment of the present invention, a coil component comprises a body including a coil portion and a support member supporting the coil portion. The coil portion has a multi-layer structure including an electroless plating layer and a pattern plating layer arranged in the order of being close to the support member. The electroless plating layer is in direct contact with the support member. In the case of the coil component according to the embodiment of the present invention, an external electrode having Cu particles and a ductile layer is used to provide excellent DC resistance characteristics and to improve the economic efficiency and impact resistance. 본 발명의 일 실시 형태에 따른 코일 부품은 코일부와 이를 지지하는 지지부재를 포함하는 바디를 포함하며, 상기 코일부는 상기 지지부재에 가까운 순서로 배치된 무전해 도금층 및 패턴 도금층을 포함하는 다층 구조를 이루는 형태이다.