Super Flex RA Foils (HA & HA-V2)
Summary
A treated rolled copper foil designed with large crystal grain and uniform crystal orientation.
Outstanding flexibility minimizes cracking. Vibration resistance is greatly improved.
Application Examples

Features of HA & HA-V2
- HA and HA-V2 have much better bendability than regular rolled annealed copper foil.
- HA-V2 exhibits good handling behavior while maintaining high flexibility.

Grain size
Comparison of cross-sectional crystal structure, FIB-SIM images

Crystal orientation
Comparison of crystal orientation, EBSP images

Vibration endurance (Long-term reliability test)
Evaluation samples

Evaluation method

Evaluation Result

FAQ
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What are examples of applications?
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HA and HA-V2 foils have been adopted in automotive applications, as well as electronic devices such as smartphones, laptops, and tablets.
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What are the differences from competing products?
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Outstanding flexibility minimizes cracking. Huge improvement in vibration resistance.
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What makes these foils capable of performing their function?
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As treated rolled copper foil designed with large crystal grain and uniform crystal orientation, they achieve high flexibility.
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Can you provide samples?
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Yes, we can provide stand-alone samples of copper foil, but please note that it will be used as part of a copper clad laminate in actual usage.