Taiyo Yuden Co., Ltd.

Taiyo Yudenco., Ltd.

Masuo Yatabe

Ichiro Yokoyama

Noriyuki Mabuchi

Kozue Imaizumi

Kazuhiko Oyama

Tomoyuki Oyoshi

Chitose Kimura

Takayuki Sekiguchi

Ikuo Kakiuchi

Yoshikazu Maruyama

Masataka Kohara

Keiichi Nozawa

Masakazu Okazaki

Ichirou Yokoyama

Taisuke Suzuki

In an exemplary embodiment, an electronic component includes: an element body partconstituted by an insulative body of rectangular solid shape; an internal conductorprovided inside the element body part; and external electrodesprovided at least on the bottom face(mounting surface) of the element body partand electrically connected to the internal conductor; wherein the element body parthas: a conductor-containing layerin which a coil conductor(functional part) that will become a part of the internal conductorto demonstrate electrical performance, is provided; and a high-hardness layerwhich is provided side by side with the conductor-containing layerin a direction parallel with the bottom face(mounting surface) of the element body part, and which has a higher hardness compared to the conductor-containing layer. The electronic component has improve mechanical strength.

Electronic component

In an embodiment, a coil component includes: an element body part; a coil conductorconstituted by first conductorsextending along the pair of end facesand orthogonally to a bottom face, as well as second conductorsextending from one side, to the other side, of the pair of end faces and thereby connecting the multiple first conductors; lead conductor partselectrically connected to two ends of the coil conductor, respectively; and a pair of external electrodeselectrically connected to the lead conductor parts; wherein at least one end of the coil conductor is electrically connected, via the lead conductor, to the external electrode at a top faceof the element body part; and the coil conductor extends from the at least the one end, using a second conductor, along and near the top face.

Coil component

One object of the present invention is to enable identification of the direction of an electronic component, while suppressing increase in cost. The present invention provides an electronic component comprising: an insulator portion having a plurality of surfaces (e.g., a top surface, a bottom surface, end surfaces, and side surfaces), the insulator portion including a plurality of regions having different transmissivities of a light beam entering one of the plurality of surfaces (e.g., a top surface, a bottom surface, end surfaces, and side surfaces); an internal conductor portion provided in the insulator portion; and external electrodes provided on the insulator portion and electrically connected to the internal conductor portion.

In an embodiment, an electronic component includes: an element body partconstituted by an insulative body of rectangular solid shape; an internal conductorprovided inside the element body part; and external electrodesprovided at least on the bottom face(mounting surface) of the element body partand electrically connected to the internal conductor; wherein the element body parthas: a conductor-containing layerin which a coil conductor(functional part) that will become a part of the internal conductorto demonstrate electrical performance, is provided; and a high-hardness layerwhich is provided side by side with the conductor-containing layerin a direction parallel with the bottom face(mounting surface) of the element body part, and which has a higher hardness compared to the conductor-containing layer. The electronic component has improve mechanical strength.

One object is to compensate the reduction of the Q value due to reduction of core sectional area of a coil of an inductor, and the reduction of positional accuracy and adhesive strength of components mounted on a printed circuit board due to reduction of area of external electrodes, both caused by downsizing of component sizes. An inductor is provided which includes: a coil formed in an insulator and having one end and the other end thereof formed in a direction away from a mounting surface; and lead-out portions connected to the coil at positions more distant from the mounting surface than a portion of the coil closest to the mounting surface.

Inductor and printed circuit board

A laminated inductor includes: a laminate having an insulating part constituted by non-magnetic layers, as well as a coil part constituted by conductors positioned between the non-magnetic layers; and external electrodes that are electrically connected to the ends of the coil part and positioned on the exterior surfaces of the laminate; wherein the external electrodes each have a first electrode layer whose primary constituent is Ag, as well as a second electrode layer whose primary constituent is Cu and which is positioned on the outer side of the first electrode layer and has a thickness of 4 &#x3bc;m or more, and the total thickness of the first electrode layer and second electrode layer is 5 &#x3bc;m or more and preferably 10 &#x3bc;m or less.

Growing community of inventors

Takasaki, Japan

Masuo Yatabe