Murata Manufacturing Co., Ltd.

Kazuya Kusuda

Yasuhiro Tamatani

Takeshi Furukawa

Kazutoyo Horio

A solid electrolytic capacitor element that includes: a valve acting metal substrate having a dielectric layer thereon; an insulating mask layer on the dielectric layer and separating the valve acting metal substrate into positive and negative electrode portions; a solid electrolyte layer on the dielectric layer, a tip of the solid electrolyte layer covering an outer surface of the insulating mask layer; a carbon layer on the solid electrolyte layer, a tip of the carbon layer covering a same position as the tip of the solid electrolyte layer or a position closer to the negative electrode portion; and a negative conductor layer on the carbon layer, a tip of the negative conductor layer covering a position closer to the negative electrode portion, and wherein the negative electrode portion has a negative conductor layer-non-formed region where the negative conductor layer does not cover a part of the carbon layer.

Solid electrolytic capacitor element having a negative conductor layer that does not cover a part of a carbon layer, and solid electrolytic capacitor

An electronic component including a base body including a first end surface and a second end surface opposite to each other in a length direction, a first internal electrode exposed at the first end surface, and a second internal electrode exposed at the second end surface; a first external electrode on the first end surface and connected to the first internal electrode; and a second external electrode on the second end surface and connected to the second internal electrode. The first external electrode includes a resin electrode layer containing a conductive component and a resin component, the resin electrode layer of the first external electrode includes a first portion facing a whole surface of the first end surface of the base body, and a plurality of protrusions are arranged periodically side by side on a surface of the first portion of the resin electrode layer of the first external electrode.

Electronic component and method for manufacturing electronic component

An electronic component that includes an electronic component body including a first internal electrode exposed at a first end surface and a second internal electrode exposed at a second end surface; a first external electrode on the first end surface and a bottom surface of the electronic component body; and a second external electrode on the second end surface and the bottom surface of the electronic component body, wherein the first external electrode comprises a first end surface electrode and a first bottom surface electrode that are integrated, and a thickness of the first end surface electrode is smaller than a thickness of the first bottom surface electrode, and the second external electrode comprises a second end surface electrode and a second bottom surface electrode that are integrated, and a thickness of the second end surface electrode is smaller than a thickness of the second bottom surface electrode.

An electrolytic capacitor that includes a resin molded body having opposed first and second end surfaces, the body including a stack that includes a capacitor element with an anode exposed at the first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at the second end surface, and a sealing resin that encloses the stack; a first external electrode on the first end surface of the resin molded body and electrically connected to the anode; and a second external electrode on a second end surface of the resin molded body and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include a resin electrode layer containing a conductive component and a resin component.

Growing community of inventors

Nagaokakyo, Japan

Kazuya Kusuda