Taiyo Yuden Co., Ltd.

Chiharu Hayashi

Atsushi Sado

Hideo Ando

Toshimasa Suzuki

Shintaro Takahashi

In an exemplary embodiment, a coil component includes: a corehaving a pillar part, and a hollow spacearound the pillar part; a coil conductorhaving a spiral partplaced around the pillar part, and a lead partorled out from the spiral parttoward the bottom faceof the core, which lead part includes an end partorextending in parallel with the bottom faceand serves as an external terminalor; and an insulated terminalelectrically insulated from the coil conductor, which is provided on at least the bottom face; wherein the total base area of the bottom partof the dummy terminal, on the bottom face, is greater than the total base area of the external terminals

Coil component and electronic device

In an embodiment, a coil component includes: a corea coil conductorhaving a spiral partplaced inside the coreand a lead partwhich is led out from the spiral partto the principal outer surface, constituting the bottom faceof the coreand which includes an end partthat serves as an external terminalan insulated terminalelectrically insulated from the coil conductorwhich is fitted onto and bonded to the coreand which has a bottom partpositioned on the bottom facea top partpositioned on the top faceand a side partcoupling the bottom partand the top partwhere the top partand side parthave an openingin which an adhesiveis filled.

Coil component

To provide an electronic component having printing, which can achieve both of a moisture resistance capability and visibility of printing, and a method of manufacturing the same. A method of manufacturing an electronic component having printing, including preparing an electronic component before being subjected to printing, which is provided with a magnetic element body made of an alloy magnetic material containing a transition metal on a surface thereof, and a glass layer that contains Bi with which the magnetic element body is at least partly coated and does not contain a transition metal, and irradiating the electronic component before being subjected to printing with laser light having a wavelength of 1064 nm so that the laser light is transmitted through the glass layer, so that a printing portion is formed at a partial glass portion in a vicinity of an interface between the magnetic element body and the glass layer.

Electronic component having printing and method of manufacturing the same

In an embodiment, an air-core coilincludes a winding partformed by winding a coated conductive wire, wherein a pair of leader partsandis interposed between a second coreand a first corewhich contain metal magnetic grains. A first gapis provided between a principle faceA of one end portion of the winding partin the direction of a winding core axis of the winding partand the first core member. A second gapis provided between a principle faceB of the other end portion and the second core member. The coil component is a small and high-performance coil component with a high dielectric withstanding voltage.

Coil component and method of manufacturing the same

In an embodiment, a coil component includes: a corehaving a pillar part, and a hollow spacearound the pillar part; a coil conductorhaving a spiral partplaced around the pillar part, and a lead partorled out from the spiral parttoward the bottom faceof the core, which lead part includes an end partorextending in parallel with the bottom faceand serves as an external terminalor; and an insulated terminalelectrically insulated from the coil conductor, which is provided on at least the bottom face; wherein the total base area of the bottom partof the dummy terminal, on the bottom face, is greater than the total base area of the external terminals

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Takasaki, Japan

Chiharu Hayashi