Nippon Steel Chemical Group
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Electronic Materials
High Thermal Conductivity Materials "ESAREX NEX"

NEX Series (NEX-140)
1.TECHNOLOGIES 1) High volume filling
2) Process technology of forming film
2.KEY FEATURES 1) High Thermal Conductivity
2) High Adhesive Strength
3) High Dielectric Breakdown Strength
3.TYPICAL APPLICATIONS 1) Heat Radiation Substrate
2) Heat Radiation Sheet

Enabling Technologies


Heat Radiation Substrate

Typical Properties

Items Unit NEX-140
Thermal Conductive
Thickness um 75-150
Cure Temperature deg.C 180
TMA α1 ppm/C 10 - 20 (T)
Tg deg.C 150 (T)
Modulus GPa 5 - 6 (T)
Strength MPa 50 - 60 (T)
Thermal Conductivity W/m • K 3 -10
Adhesive Strength kN/m 1.5- 2.5 (P)
Volume Resistivity Ω • cm >1E15
(T): Tensile, (P): Peel Strength(kN/m)


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