Murata Manufacturing Co., Ltd.

Hirofumi Oie

Toru Yaso

Kiyohiro Kashiuchi

Yoshihito Otsubo

Ikuo Deguchi

Ai Sasaki

An electrolyte sheet for solid oxide fuel cells, the electrolyte sheet including a ceramic plate body having a first main surface and a second main surface, wherein the first main surface and the second main surface include scattered recesses, and the recesses on one or both of the first main surface and the second main surface have an arithmetic average depth of 0.25 μm to 4.0 μm and a number density of one million recesses/cmto 100 million recesses/cm.

Electrolyte sheet for solid oxide fuel cell, and single cell for solid oxide fuel cell

An electronic circuit module includes: a substrate; a first electronic component mounted on one main surface of the substrate; a substrate electrode provided on the one main surface; a second electronic component supported on a support surface opposite to a surface facing the one main surface of the first electronic component; a conductor provided on the support surface of the first electronic component; a wire connected to the conductor and the substrate electrode; and a component electrode provided on a surface of the second electronic component and electrically connected to the conductor.

Electronic circuit module

An electrolyte sheet for solid oxide fuel cells includes a ceramic plate body containing a cubic zirconia sintered material, wherein, with the ceramic plate body being defined to have nine portions including an outer peripheral portion and a central portion, ceramic grains in each of the nine portions have a median size Dof 1.0 μm to 4.0 μm, and a maximum median size Dof the ceramic grains among the nine portions is 1.0 to 1.3 times a minimum median size Dof the ceramic grains among the nine portions.

Electrolyte sheet for solid oxide fuel battery, production method of electrolyte sheet for solid oxide fuel battery, and single cell for solid oxide fuel battery

Provided is an electronic component capable of reducing a possibility that insulating layers covering from outer edge portions of electrodes to surrounding portions, around the electrodes, of a substrate are separated from the electrodes and the substrate. An electronic component includes: a substrate; an electrode formed on a surface of the substrate; a protective portion covering at least a part of a peripheral portion of the electrode and a surrounding portion, around the electrode, of the surface of the substrate, across outer edge portions of the electrode, and extending in a circumferential direction along the outer edge portions of the electrode; and an extending portion extending, on the surface of the substrate, from the protective portion in an extending direction away from the electrode. A width of the extending portion perpendicular to the extending direction is longer than a width of the protective portion perpendicular to the circumferential direction.

Electronic component

An electronic component of the present disclosure includes: an electronic component body; an electrode on a surface of the electronic component body; and a cover layer having insulating properties on at least a portion of a perimeter of the electrode and extending across a boundary between the perimeter of the electrode and the surface of the electronic component body, wherein in a plan view of the electronic component body seen from a side where the electrode is disposed, the electrode includes corners each provided by two segments defining a portion of the perimeter of the electrode, and a thickness of at least a portion of the cover layer on at least one of the corners is greater than a thickness of the other portions of the cover layer on portions other than the corners.

Electronic component and method for manufacturing electronic component

A ceramic electronic component includes: a ceramic body having a first surface; an external electrode disposed at least on the first surface; an internal electrode disposed inside the ceramic body; and a connection conductor connected to the external electrode and extending through a surface or an interior of the ceramic body to electrically connect to the internal electrode. The external electrode includes an overhanging portion extending laterally from its portion connected to the connection conductor. At least a portion of the overhanging portion is a peeled portion peeled off from the ceramic body.

Ceramic electronic component

A high-frequency electronic component includes a ceramic multilayer substrate, ground electrodes provided at different layers of the ceramic multilayer substrate, and a shielding film covering at least a side surface among surfaces of the ceramic multilayer substrate. Two or more of the ground electrodes are exposed to the side surface of the ceramic multilayer substrate and are electrically connected to the shielding film. On the side surface of the ceramic multilayer substrate, the two or more of the ground electrodes do not overlap each other in a thickness direction of the ceramic multilayer substrate.

High-frequency electronic component and module

An electrolyte sheet for solid oxide fuel cells includes a ceramic plate body having rounded corners in a plan view from a thickness direction of the ceramic plate body, the ceramic plate body having a thickness of 200 μm or less, and each of the rounded corners having a ratio Dmax/Dmin of 1.0 to 1.1, wherein Dmax and Dmin respectively represent maximum and minimum values between distances D from an intersection of extension lines of two sides of the ceramic plate body adjacent to a respective corner to starting points of the respective extension lines in the plan view.

Electrolyte sheet for solid oxide fuel cell, method for manufacturing electrolyte sheet for solid oxide fuel cell, and unit cell for solid oxide fuel cell

Growing community of inventors

Nagaokakyo, Japan

Hirofumi Oie