Hitachi Metals, Ltd.

Jsr Corporation

Mitsubishi Electric Corporation

Hitachi Cable, Inc.

Proterial, Ltd.

Hitachi Cable Fine-tech, Ltd.

Takayuki Tsuji

Hiromitsu Kuroda

Keisuke Fujito

Shohei Hata

Tetsuya Tokumitsu

Yuichi Komuro

Shingo Amamiya

Hiroshi Matsuzaki

Yosuke Shiba

Takamitsu Kimura

Hiroshi Ikeda

Tomoki Nagai

Yukio Nishimura

Hiromitsu Nakashima

Hiroki Nakagawa

Hideyuki Sagawa

Hajime Nishi

Daita Kouno

Masato Ito

Hiroshi Dougauchi

Seigi Aoyama

Hiroshi Okikawa

Daisuke Shimizu

Yuju Endo

Kotaro Tanaka

Toshiyuki Horikoshi

Takeshi Usami

Koji Rikukawa

Hiroyuki Akutsu

Hiroshi Yamanobe

Kentarou Harada

A manufacturing efficiency of the wire rod made of the cast alloy including the additive element having the high activity to the oxygen is improved. An apparatus of manufacturing a wire rod includes: a tundish storing a molten metal; a mold for use in continuously casting the molten metal fed from the tundish; and an additive-element feeding unit continuously feeding an additive element (wire) to a feeding port of the mold.

Method of manufacturing wire rod and apparatus of manufacturing wire rod

An air-conditioning system includes one or more pieces of equipment involved in air-conditioning, and a controller connected to the equipment and configured to update a control program of the equipment, the controller including an input unit configured to receive an update program for updating the control program of the equipment from an outside, a storage unit configured to store the control program of the equipment, a comparison unit configured to compare the update program with the control program, a data generation unit configured to generate differential data between the update program and the control program, an update setting unit configured to set an update target device of the control program among the one or more pieces of the equipment based on a comparison result, and a transmission unit configured to transmit the differential data to the update target device.

Air-conditioning system and program update method of air-conditioning system

An insulated wire includes a conductor including a copper material, and an insulation layer that is formed on an outer periphery of the conductor. A restoring temperature Tof the conductor is not more than 130&#xb0; C. The restoring temperature Tis a temperature that is needed to restore a conductivity of the conductor after a coil processing to a conductivity of the conductor before the coil processing.

Insulated wire, coil and method for manufacturing the coil

A copper alloy material manufacturing equipment for manufacturing a copper alloy material by continuously casting molten copper. The equipment includes an element adding means for adding a metal element to the molten copper, a tundish for holding the molten copper containing the metal element, a pouring nozzle connected to the tundish to feed the molten copper from the tundish, and a trapping member arranged inside the tundish and including a same type of material as at least one of an oxide of the metal element, a nitride of the metal element, a carbide of the metal element and a sulfide of the metal element.

Equipment and method for manufacturing copper alloy material

A copper alloy material production method is provided. A copper raw material including not higher than 30 ppm by mass of oxygen is melted to form a molten copper. Not lower than 4 ppm by mass and not higher than 55 ppm by mass of titanium is added to the molten copper. After the adding of the titanium, not lower than 100 ppm by mass and not higher than 7000 ppm by mass of magnesium is added.

Copper alloy material and production method therefor

An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer that covers a periphery of the core and includes a zinc. The covering layer includes an outermost layer consisting of an &#x3b5;-phase of a copper-zinc based alloy. The outermost layer has a Cu concentration of 12 to 20 mass % and a variation range within 5 mass % in the Cu concentration in a longitudinal direction of the electrode wire.

Electric discharge machining electrode wire and manufacturing method therefor

An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer that covers a periphery of the core and includes a zinc. The covering layer includes an outermost layer consisting of an &#x3b5;-phase of a copper-zinc based alloy. The outermost layer has a Vickers hardness of 200 to 300 Hv.

An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer covering a periphery of the core and including a zinc. The covering layer includes an inner layer including a &#x3b3;-phase of copper-zinc based alloy and covering the periphery of the core, and an outer layer including an &#x3b5;-phase of copper-zinc based alloy and covering a periphery of the inner layer. An x-ray diffraction intensity of (0001) of the &#x3b5;-phase is more than twice an x-ray diffraction intensity of (332) of the &#x3b3;-phase.

Electrical discharge machining electrode wire and manufacturing method for same

A transmission relaying apparatus includes a signal receiving unit receiving a signal, transmitted from a transmission path, as a received signal; an abnormality detection unit detecting whether abnormality occurs in the received signal; and a threshold setting unit setting a preset threshold to be used for detection of abnormality by the abnormality detection unit. The threshold setting unit includes a peak value detection unit detecting a peak value of the signal level of the test signal received as the received signal by the signal receiving unit, when a test signal is output from a communication diagnostic apparatus; a threshold obtaining unit obtaining the preset threshold based on the peak value detected by the peak value detection unit; and a threshold holding unit storing the preset threshold, obtained by the threshold obtaining unit, as a preset threshold to be used by the abnormality detection unit.

Air-conditioning system and transmission relaying apparatus thereof

A solder joint material includes a copper-based metal material including mainly a copper, a surface-treated layer that is provided on the copper-based metal material and includes an amorphous layer including oxygen and a metal with a higher oxygen affinity than a copper, and a Sn-based solder plating layer provided on the surface-treated layer.

Solder joint material and method of manufacturing the same, soldering member and solar cell module

A printed circuit board includes a substrate, and a wiring provided on the substrate. The wiring includes a copper-based metal wire provided on the substrate and a surface-treated layer provided on the copper-based metal wire. The copper-based metal wire includes mainly a copper. The surface-treated layer includes an amorphous layer including oxygen and a metal with a higher oxygen affinity than the copper.

Printed circuit board and method of manufacturing the same

A conductor for a flexible substrate, used for a flexible flat cable or disposed inside a flexible printed-circuit board, according to the present invention comprises: a base conductor made of Cu or Cu-alloy; a plating film made of Sn or Sn-alloy formed on a surface of the base conductor; and a surface oxide film formed on a surface of the plating film, in which the surface oxide film includes oxide of an element other than Sn or a mixture of Sn oxide and oxide of an element other than Sn.

Conductor for flexible substrate and fabrication method of same, and flexible substrate using same

An upper layer-forming composition includes a resin, and a solvent. The resin is dissolvable in a developer for a photoresist film which is to be covered by the upper layer-forming composition to form a pattern by exposure to radiation. The solvent dissolves the resin in the solvent. The solvent includes a compound shown by a formula (1). Each of Rand Rindependently represents a hydrocarbon group having 1 to 8 carbon atoms or a halogenated hydrocarbon group.R&#x2014;O&#x2014;R&#x2003;&#x2003;(1)

Upper layer-forming composition and photoresist patterning method

A Pb-free Sn-based material part of a wiring conductor is provided at least at a part of its surface, and the Sn-based material part includes a base metal doped with an oxidation control element. The oxidation control element is at least one element selected from a group consisted of P, Ge, K, Zn, Cr, Mn, Na, V, Si, Ti, Al, Li, Mg and Ca. The wiring conductor is reflow processed, such that at least one of the Sn and the oxidation control element is diffused to form an alloy.

Wiring conductor, method for fabricating same, terminal connecting assembly, and Pb-free solder alloy

An upper layer-forming composition formed on a photoresist while causing almost no intermixing with the photoresist film and a photoresist patterning method are provided. The upper layer-forming composition is stably maintained without being eluted in a medium such as water during liquid immersion lithography and is easily dissolved in an alkaline developer. The upper layer-forming composition covers a photoresist film for forming a pattern by exposure to radiation. The composition comprises a resin dissolvable in a developer for the photoresist film and a solvent in which the resin is dissolved. The solvent has a viscosity of less than 5.2&#xd7;10Pa&#xb7;s at 20&#xb0; C. In addition, the solvent does not cause intermixing of the photoresist film and the upper layer-forming composition. The solvent contains an ether or a hydrocarbon.

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Tokyo, Japan

Takayuki Tsuji