Tatsuta Electric Wire & Cable Co., Ltd.

Nippon Mining Co., Ltd.

Misawa Home Ltd.

Nobuhiro Fujio

Kiyotaka Urashita

Yoshihiko Aoyagi

Yoshinori Kawakami

Yoshio Hirano

Ryota Fujikawa

Hidekazu Tsurumaru

Takeshi Yamasaki

Toshio Nishizaki

Takashi Suzuki

Syoji Nakazono

Keiichiro Hirose

Junichi Kinoshita

Isao Negishi

Isao Negisi

An object of the present invention is to provide a lead wire having a conductor that is hardly pulled out from the lead wire during the peeling process or the like while being formed of carbon fibers. In the present invention, a belt-shaped conductor formed of a plurality of carbon fibers are included in a lead wire having a circular cross section.

Lead wire

Soldering is performed with a high yield ratio even when extremely-thin wires are joined at an extremely-narrow pitch. Moreover, a bridge between conductive joint portions is reduced. A core wireis placed on a preliminarily-soldered conductive joint portion. Then, the conductive joint portionsand the core wiresare covered with an optically-transparent sheet. Thus, the state in which the core wireis placed on the conductive joint portionis held. In this state, the optically-transparent sheetis irradiated with light. A preliminary solderis heated and melted to join the core wireand the conductive joint portiontogether.

Printed circuit board, method for manufacturing printed circuit board, and method for joining conductive member

A core wire of a coaxial cable is easily placed and soldered onto a conductive joint portion. Conductive joint portionsare formed at a predetermined interval on a substrate. A solder resist portionis formed on each side of the conductive joint portion. A core wireof a coaxial cableis housed between two of the solder resist portions. A core wireis placed on an upper surfaceof the conductive joint portion. In this state, the core wireis, by solder, connected to the upper surfaceof the conductive joint portion

Coaxial cable connection structure

The noise insulating material comprises a binder resin, sound barrier filler, liquid rubber and fire-resistant fiber. The incorporation of fire-resistant fiber in the binder resin reinforces the resin matrix to prevent melting and shedding of the binder resin upon exposure to a flame. Being qualified as a quasi-incombustible material, this noise insulating material can be used in a broad range of applications.

Noise insulating material

Fillers comprising a composition in which 50-90 wt. % or iron oxides and 10-30 wt. % of silica are contained, at least 50 wt. % of the iron oxides being present in the form of iron oxide silicate, and the content of alkali metal oxides or alkaline earth metal oxides is 10 wt. % or less in total, are suitable as fillers for the fabrication of noise insulating materials. Noise insulating materials obtained by using said fillers are excellent in flexibility and processibility and moreover are large in surface density, thus exhibiting excellent noise insulating ability.

Filler for noise insulating material and noise insulating material using

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Kyoto, Japan

Nobuhiro Fujio