
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
LOCTITE® ECCOBOND UF 3711 is a UV-curable, thixotropic, low-CTE epoxy adhesive designed for edgebonding, encapsulation, and active alignment applications. It enhances chip reliability, providing a uniform, void-free encapsulant that improves thermal cycling performance and distributes stress away from solder joints.
Property | Value |
---|---|
Viscosity @ 25°C (mPa.s) | 35,000 |
Thixotropic Index | 4.6 |
Specific Gravity | 1.78 g/cc |
Work Life | 72 hours |
Shelf Life (-20°C) | 365 days |
Property | Value |
---|---|
CTE (α1/α2) | 20 / 62 μm/m/K |
Glass Transition Temperature (Tg) | 150°C |
Tensile Modulus @ 25°C | 13.6 GPa |
Cure Shrinkage (Volume) | 1.4% |
Water Absorption (168h, 85°C/85%RH) | 1.1% |
Property | Value |
---|---|
Dielectric Constant / Dissipation Factor @ 5 GHz | 3.3 / 0.0108 |
Volume Resistivity | 2.91×10¹⁵ Ω·cm |
Dielectric Breakdown Strength | 24 kV/mm |
Property | Value |
---|---|
Die Shear Strength (3×3 Glass Die to FR4) | >12 kgf (>1,740 psi) |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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