METAL FOIL FOR SPRING MEMBER, PRODUCTION METHOD FOR METAL FOIL FOR SPRING MEMBER, AND SPRING MEMBER FOR ELECTRONIC DEVICE

A metal foil for a spring member includes a first region on which the spring member is formed. The first region has a square shape with one side being 300 mm. In the first region, an absolute value of a difference value obtained by subtracting a standard deviation of a thickness in a width direction...

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Bibliographische Detailangaben

Hauptverfasser:	Aizawa, Hiroyasu, Kobayashi, Akihiko, SHIMAMURA, Shinichi
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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