Kyocera Corporation

Yousuke Moriyama

Noboru Kitazumi

Akihiko Funahashi

Yukio Morita

Kanae Horiuchi

Hidehisa Umino

Kensaku Murakami

Michio Imayoshi

Shinji Ichiki

Hiroshi Yamada

Fumiaki Takeshita

Kouichi Kawasaki

Masatsugu Iiyama

Yuuki Baba

Kouki Suda

Yurie Onitsuka

Kazushi Nakamura

Kazuhito Imamura

Shuya Kubo

Tsuyoshi Ishimabushi

Nobuhiro Ueki

Yurie Hashiguchi

A substrate for mounting electronic element includes: a first substrate including a first surface and a second surface opposite to the first surface; a second substrate including a third surface and a fourth surface opposite to the third surface; and heat dissipation bodies each including a fifth surface and a sixth surface opposite to the fifth surface. The first substrate includes at least one mounting portion for at least one electronic element at the first surface. Heat conduction of the heat dissipation bodies in a direction perpendicular to a longitudinal direction of the at least one mounting portion and perpendicular to a direction along opposite sides of the second substrate is greater than heat conduction of the heat dissipation bodies in the longitudinal direction of the at least one mounting portion and in the direction along opposite sides of the second substrate in a transparent plan view of the substrate.

Substrate for mounting electronic element, electronic device, and electronic module preliminary class

A first substrate includes a first surface and a second surface opposite to the first surface. A second substrate includes a third surface and a fourth surface opposite to the third surface. A third substrate includes a fifth surface and a sixth surface opposite to the fifth surface. The first substrate is made of an insulator, and includes a mounting portion for mounting an electronic element at the first surface, and the mounting portion is a rectangular shape. The third substrate is made of a carbon material, and the fifth surface is connected to at least the second surface at location overlapped with the mounting portion in plan view. The third substrate has a larger heat conduction in a direction perpendicular to the longitudinal direction of the mounting portion than heat conduction in the longitudinal direction of the mounting portion in plan view.

Substrate for mounting electronic element, electronic device, and electronic module

A wiring board includes an insulating substrate including a first surface and a mounting portion for an electronic component on the first surface, the insulating substrate having a rectangular shape in a plan view of the first surface; a via conductor located inside the insulating substrate and at a corner portion of the insulating substrate in a plane perspective, and extending in a thickness direction of the insulating substrate; a wiring conductor located on the first surface and connecting the mounting portion and the via conductor to each other; and a heat dissipation portion located inside the insulating substrate at a position overlapping the mounting portion in a plane perspective view, wherein the first surface includes, between the heat dissipation portion and the via conductor in a plane perspective view, a first region surrounded by the wiring conductor in a plan view.

Wiring board, electronic device, and electronic module

A first substrate includes a first surface and a second surface opposite to the first surface. A second substrate includes a third surface and a fourth surface opposite to the third surface. A third substrate includes a fifth surface and a sixth surface opposite to the fifth surface. The first substrate is made of an insulator, and includes a mounting portion for mounting an electronic element at the first surface, and the mounting portion for mounting the electronic element is a rectangular shape. The third substrate is made of a carbon material, and the fifth surface is connected to at least the second surface at location overlapped with the mounting portion for mounting the electronic element in plan view. The third substrate has a larger heat conduction in a direction perpendicular to the longitudinal direction of the mounting portion than heat conduction in the longitudinal direction of the mounting portion in plan view.

An electronic element mounting substrate includes: a first substrate including a first principal face; a second substrate located inside the first substrate in a plan view of the electronic element mounting substrate, the second substrate being made of a carbon material; a third substrate located between the first substrate and the second substrate in the plan view, the third substrate being made of a carbon material; and a first mounting portion for mounting a first electronic element, the first mounting portion being located on the first principal face side in a thickness direction of the substrate. The second substrate and the third substrate each have a low heat conduction direction and a high heat conduction direction. The second substrate and the third substrate is arranged so that the low heat conduction directions thereof are perpendicular to each other, and the high heat conduction directions thereof are perpendicular to each other.

Electronic element mounting substrate, electronic device, and electronic module

An electronic component mounting substrate includes: an insulating substrate having a recess that opens in a main surface of the insulating substrate, the recess for mounting an electronic component; a metal layer located on a bottom surface of the recess; an external electrode located on the other main surface of the insulating substrate, the other main surface opposite to the main surface; a connection wiring located between the metal layer and the external electrode in a thickness direction of the insulating substrate; a plurality of first vias that connects the metal layer and the connection wiring and that is located along a side wall of the recess in a perspective plan view; and a plurality of second vias that connects the connection wiring and the external electrode and that is located in a strip shape in the perspective plan view.

Electronic component mounting substrate, electronic device, and electronic module

A wiring board includes an insulating substrate including a cutout portion that opens in a main surface of the insulating substrate and a side surface of the insulating substrate, an inner surface electrode on an inner surface of the cutout portion, an external electrode on the main surface of the insulating substrate, and a connecting section where the inner surface electrode and the external electrode are connected to each other. The connecting section is thicker than the inner surface electrode and the external electrode.

A wiring board includes an insulating substrate that is rectangular in a plan view, a plurality of mount electrodes arranged to face each other on a first main surface of the insulating substrate along a pair of opposing sides of the insulating substrate in a plan view, a plurality of terminal electrodes arranged to face each other on a second main surface of the insulating substrate along the pair of opposing sides of the insulating substrate in a perspective plan view, and an inner metal layer arranged inside the insulating substrate and extending in a direction perpendicular to the pair of opposing sides of the insulating substrate in a perspective plan view.

A wiring board includes an insulating substrate, mount electrodes arranged to face each other on a first main surface of the insulating substrate along a pair of opposing sides of the insulating substrate in a plan view, and terminal electrodes arranged to face each other on a second main surface of the insulating substrate along another pair of opposing sides of the insulating substrate in a perspective plan view.

An electronic component mounting substrate includes an insulating base having a rectangular shape in plan view and including a first main surface, a second main surface facing the first main surface, and a recess open on the first main surface, a band-shaped metal layer on a sidewall of the recess, and an electrode extending from a bottom surface of the recess into the insulating base. The electrode has an end disposed in the insulating base, and the end includes an inclined portion inclined toward the second main surface.

There are provided an electronic element mounting board and an electronic device capable of suppressing transmission of incident light to an electronic device through a circumferential edge part of an opening of a board and thus of reducing a noise level in receiving an image. An electronic element mounting board includes an insulating substrate. The insulating substrate has an opening and a lower surface, and an electronic element is disposed on the lower surface so as to overlap the opening in a plan view. A circumferential edge part of the opening of the insulating substrate has a porosity lower than a porosity of a portion outside the circumferential edge part. Since it is possible to suppress transmission of incident light to the electronic element through the circumferential edge part, it is possible to reduce a noise level in receiving an image in the electronic element.

Electronic element mounting board and electronic device

A wiring board of the present invention comprises an insulating base comprising a main face a side face; a cutout section having a quadrilateral shape opened in the main face and the side face; an electrode disposed on an inner face of the cutout section; and a wiring conductor disposed on one of an inner part and a surface of the insulating base, and connected to the electrode. A side wall of the cutout section comprises a protruding portion that curves and protrudes outward relative to the side face at a center region in a direction along the side face.

There are provided an electronic device mounting board and an electronic apparatus that can be made lower in profile. An electronic device mounting board includes an insulating substrate having an opening in which an electronic device is disposed so as to lie over the opening as seen in a transparent plan view, and a reinforcement portion disposed on a surface or in an interior of the insulating substrate so as to lie around the opening of the insulating substrate as seen in a transparent plan view.

Growing community of inventors

Kyoto, Japan

Yousuke Moriyama