COIL COMPONENT AND COIL COMPONENT MANUFACTURING METHOD

• Main Authors: EBINA KAZUHIRO, ISHIMA YUYA, KAWASAKI KUNIHIKO, SATO SHINICHI, NAGAI YUSUKE, TSUNODA KOICHI, ITO MITSURU, NAKAGAWA SEIICHI, SATO TAKAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 22.03.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

To provide a coil component and a coil component manufacturing method, capable of inhibiting an external electrode from being peeled.SOLUTION: A laminated coil component 1 comprises an element body 2, a coil 8 disposed in the element body 2, and a first external electrode 4 disposed on a surface of the element body 2. The first external electrode 4 includes: a first electrode layer 40 disposed on the surface of the element body 2; and a first plating layer 42 and a second plating layer 43 that are disposed on the first electrode layer 40. The first plating layer 42 and the second plating layer 43 are disposed on an edge of the first electrode layer 40 so as to be studded at a plurality of locations.SELECTED DRAWING: Figure 3 【課題】外部電極の剥離を抑制できるコイル部品及びコイル部品の製造方法を提供する。【解決手段】積層コイル部品１は、素体２と、素体２内に配置されているコイル８と、素体２の表面に配置されている第一外部電極４と、を備え、第一外部電極４は、素体２の表面に配置されている第一電極層４０と、第一電極層４０上に配置されている第一めっき層４２及び第二めっき層４３と、を有し、第一めっき層４２及び第二めっき層４３は、第一電極層４０の縁上において、複数箇所に点在するように配置されている。【選択図】図３