Electric discharge machining electrode wire and manufacturing method therefor

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United States of America Patent

PATENT NO 10399167
APP PUB NO 20170014927A1
SERIAL NO

15122081

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Abstract

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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 ε-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.

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Patent Owner(s)

  • HITACHI METALS LTD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amamiya, Shingo Hitachi, JP 3 4
Kimura, Takamitsu Hitachi, JP 6 12
Komuro, Yuichi Hitachi, JP 7 63
Kuroda, Hiromitsu Hitachi, JP 58 227
Matsuzaki, Hiroshi Hitachi, JP 65 1350
Shiba, Yosuke Hitachi, JP 5 4
Tokumitsu, Tetsuya Hitachi, JP 4 4
Tsuji, Takayuki Kitaibaraki, JP 70 1331

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