Nitto-denko Corporation

Daigo Tsubai

Takashi Oda

Hisashi Tsuda

Hayato Takakura

Masami Inoue

Taiki Sueyoshi

Toru Mizutani

Hiroaki Machitani

Kaoru Ito

Hideshi Yamakawa

Yasuyuki Ota

A wired circuit board includes a metal supporting layer, an insulating base layer and a conductor layer from bottom to top. A peripheral edge of the insulating base layer includes an extension part extending further outward relative to the metal supporting layer. The metal supporting layer has a thickness Tof 50 μm or more.

Wired circuit board, casing, and board containing set

A wireless power transmission system includes a power-supplying device including an electronic oscillator that generates electric power having a frequency of 1 MHz or more and 5 MHz or less, and a power-supplying coil member in which the electric power flows; and a power-receiving device including a power-receiving coil member that is capable of generating electric power based on the magnetic field generating from the power-supplying coil member, wherein the power-receiving coil member is a sheet coil including an insulating layer and a first coil pattern disposed at one side of the insulating layer, the first coil pattern is composed of wires, and the wires are disposed in spaced apart relation from each other with a predetermined space provided therebetween in the radial direction of the first coil pattern.

Wireless power transmission system and sheet coil

Growing community of inventors

Osaka, Japan

Daigo Tsubai