Nippon Steel Chemical Group
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Electronic Materials
Adhesiveless Polyimide Copper Clad Laminate ESPANEX® M series

For Fine Pattern Circuit
ESPANEX M series is available for 30μm pitch or less(finer) pattern circuit by smooth and flat thin copper with Half etching technology.
1.TECHNOLOGY 1)  Thickness & Surface Control of Copper foil
2)  Casting & Laminating Production Technology
3)  Fine Pattern Circuit Evaluation Technology
2.KEY FEATURES 1)  Available for Fine Pattern Circuit
2)  High-density Mounting by Fine Dimensional Stability
3)  Stable Insulation Resistance
3.TYPICAL APPLICATIONS 1)  COF(Chip on Film)
2)  PKG(Package)

Enabling Technology


Typical Property



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