Murata Manufacturing Co., Ltd.

Yoshiharu Suemori

Takashi Iwamoto

Hiroshi Somada

A method of manufacturing an electronic component includes temporarily fixing an electronic component body to a support with a temporary fixation material having an area smaller than that of the electronic component body interposed therebetween, disposing a shield resin layer having an area larger than that of an upper surface of the electronic component body on the upper surface of the electronic component body, and applying pressure to the shield resin layer via an elastic layer and causing the shield resin layer to adhere such that the shield resin layer extends from the upper surface that is the surface of the electronic component body opposite to the temporary fixation material to a bottom surface that is a surface of the electronic component body that faces the temporary fixation material via side surfaces of the electronic component body.

Electronic component

An electronic component module includes an electronic component, a resin structure body, a through wiring, a wiring layer, and a close-contact layer. The resin structure body covers at least a portion of the electronic component. The through wiring extends through the resin structure body. The wiring layer electrically connects the electronic component and the through wiring to each other. The close-contact layer is provided between the resin structure body and the through wiring and is in contact with the resin structure body and the through wiring. The close-contact layer includes an inorganic insulation film.

Electronic component module and manufacturing method thereof

An electronic component-containing module includes a board, electronic components, and a sealing resin and includes a space provided between the board and at least one of the electronic components. The dryness factor of the sealing resin is about 60% or more where, after the electronic component-containing module is moisturized, the electronic component-containing module is heated to the re-melting temperature of a brazing filler metal.

Electronic component-containing module

An electronic component module includes a substrate, an electronic component mounted on the substrate, and a resin sealing portion that seals the electronic component and covers a principal surface of the substrate. The resin sealing portion includes a film-shaped resin layer that covers upper and side surfaces of the electronic component and the principal surface of the substrate, and an embedding resin layer that covers the film-shaped resin layer. The embedding resin layer has a smaller coefficient of linear expansion than that of the film-shaped resin layer. A portion of the film-shaped resin layer covering the side surfaces has a smaller thickness than either of a thickness of a portion of the film-shaped resin layer covering the upper surface and a thickness of a portion of the film-shaped resin layer covering the principal surface.

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Nagaokakyo, Japan

Yoshiharu Suemori