Japan Capacitor Industrial Co., Ltd.

Murata Manufacturing Co., Ltd.

Tomoki Nobuta

Kazumasa Fujimoto

Osamu Yokokura

Hiroshi Kubo

Kazutoyo Horio

Nami Kanaya

Takashi Tomohiro

The electrolytic capacitor includes a capacitor body, the capacitor body including: a first end surface; a second end surface opposite to the first end surface; a bottom surface adjacent to the first end surface and the second end surface; a capacitor element including an anode line passing therethrough, a dielectric layer, and a cathode layer on the dielectric layer; and a sealing material covering the capacitor element, wherein the anode line has a first end exposed on the first end surface of the capacitor body, the electrolytic capacitor includes an anode external electrode on the first end surface of the capacitor body, the anode external electrode is connected to the first end of the anode line, the cathode layer is electrically led out to the bottom surface of the capacitor body, the electrolytic capacitor includes a cathode external electrode on the bottom surface of the capacitor body, and the cathode external electrode is electrically connected to the cathode layer.

Electrolytic capacitor and manufacturing method of electrolytic capacitor

A solid electrolytic capacitor that includes a columnar metal core material having a valve function, the metal core material having a first end surface and a second end surface opposed to the first end surface, at least one of the first end surface and the second end surface having an area larger than that of a cross section of a central portion of the metal core material in a lengthwise direction of the metal core material, and the metal core material having a surface partially provided with a porous layer including an oxide film; a cathode layer including a conductive polymer, the cathode layer being electrically connected to the porous layer, first external terminals electrically connected to the first end surface and the second end surface, respectively; and a second external terminal different in polarity from the first external terminals and electrically connected to the cathode layer.

Solid electrolytic capacitor and method for manufacturing solid electrolytic capacitor

A solid electrolytic capacitor that includes a plurality of linear conductors arranged in parallel and made of a valve action metal in which a dielectric layer is formed on a surface of the valve action metal; a conductive polymer layer covering the plurality of linear conductors and shared by linear conductors; a conductor layer covering conductive polymer layer; an anode terminal in contact with end faces of the plurality of linear conductors; and a cathode terminal electrically connected to conductor layer.

Solid electrolytic capacitor and method for manufacturing same

A solid electrolytic capacitor that includes at least one capacitor element having a linear-shaped valve metal substrate that extends in an axial direction and includes a porous portion on a surface of a core portion, a dielectric layer on a surface of the porous portion, and a cathode layer on the dielectric layer; a cathode terminal including a recessed portion having an inner wall surface extending in the axial direction, the capacitor element is disposed in the recessed portion, and the cathode layer is electrically connected to the inner wall surface; an anode terminal electrically connected to the core portion of the capacitor element; and a sealing material covering the capacitor element.

Solid electrolytic capacitor and method of manufacturing the same

An electronic component includes a component base body and first and second outer electrodes covering respective end faces of the component base body. The component base body includes an element main body and a magnetic body portion covering the element main body. The element main body includes a linear inner conductor, a dielectric layer covering the periphery of part of the inner conductor, and a conductor layer formed to cover the dielectric layer.

Electronic component

An electrolytic capacitor-specific electrode member is used for an electrolytic capacitor, and formed in a wire shape. The electrolytic capacitor-specific electrode member has an outer surface including at least one or more first cavity portions opened to outside, and at least one or more second cavity portions opened at least to the first cavity portions. The second cavity portions are smaller in opening diameter represented by a circle equivalent diameter than the first cavity portions.

Electrolytic capacitor-specific electrode member and electrolytic capacitor

An electrolytic capacitor-specific electrode member is included in an electrolytic capacitor. The electrolytic capacitor-specific electrode member has a wire shape. The electrolytic capacitor-specific electrode member includes a core portion and a porous layer located around the core portion. In a cross section of the electrolytic capacitor-specific electrode member perpendicular to its axial direction, the porous layer includes a plurality of layers arranged concentrically from the core portion toward outside and at least including two layers having different void ratios.

A solid electrolytic capacitor that includes a capacitor element having a linear through conductor made of a valve function metal, a dielectric layer disposed on the through conductor, and a cathode-side functional layer disposed on the dielectric layer. The through conductor includes a core portion and a porous portion covering a peripheral surface of the core portion. Both end faces of the core portion of the through conductor are in contact with a pair of anode terminals on the pair of end faces of the body, respectively. A cathode terminal is electrically connected to the cathode-side functional layer.

Growing community of inventors

Nagaokakyo, Japan

Tomoki Nobuta