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Wedge Cutting Characteristics of Copper Foil Stacked on Adhesive Tape Using a Cemented Carbide Knife when Changing the Apex Angle and the Indentation Velocity of the Wedge

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Abstract:

A 0.035mm thickness copper foil stacked on adhesives was cut off using a WC wedge keen knife when changing the apex angle of the knife and the cutting velocity. When changing the velocity, the sinking state and the detaching of adhesives affected the bending and wedging state of the copper foil, while the apex angle of the knife affected geometrically and plastically the bending angle and the cutting line force in the cutting process. The residual warpage was affected by the cutting velocity.

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Periodical:

Advances in Science and Technology (Volume 180)

Pages:

89-95

DOI:

https://doi.org/10.4028/p-Z0ygrt

Citation:

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Online since:

July 2026

Authors:

Shigeru Nagasawa*, Susumu Hayashihara

Keywords:

Copper Foil, Pressure Sensitive Adhesives, Shear, Visco Elasticity, Warpage, Wedge Cutting

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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