Electroformed part and timepiece

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United States of America Patent

PATENT NO 11053573
SERIAL NO

16511959

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object of the present invention is to provide an electroformed part favorable for an assembly part of a timepiece or the like and a timepiece using the same. The present invention relates to an electroformed part, which is an electroformed part composed of a nickel-iron alloy constituted by nickel, iron, and unavoidable impurities, containing iron at 5 to 25% by mass, and having a roughly layered form portion in which a stacked form portion having an inclined iron content in a thickness direction is repeatedly stacked a plurality of times. It is preferred that the stacked portion is constituted by crystal grains having an average grain diameter of 50 nm or less.

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Patent Owner(s)

Patent OwnerAddress
SEIKO WATCH CORPORATION5-11 GINZA 4-CHOME CHUO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kishi, Matsuo Chiba, JP 28 349
Takahama, Miei Chiba, JP 3 6

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