Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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LOCTITE® ECCOBOND UF 3810 is a one-component, fast-curing epoxy underfill designed for chip scale packages (CSP) and BGA applications. It offers:
| Property | Value |
|---|---|
| Viscosity @ 25°C (20 s⁻¹) | 394 mPa·s (cP) |
| Specific Gravity | 1.13 |
| Work Life @ 25°C | 3 days |
| Shelf Life @ -20°C | 365 days |
| Condition | Time |
|---|---|
| Heat Cure | ≥8 minutes @ 130°C |
| Property | Value |
|---|---|
| Coefficient of Thermal Expansion (CTE) | Below Tg: 55 ppm/°C, Above Tg: 171 ppm/°C |
| Glass Transition Temperature (Tg) | 102°C |
| Thermal Conductivity | 0.29 W/(m-K) |
| Storage Modulus | @ -65°C: 3,820 MPa, @ 25°C: 2,990 MPa, @ 100°C: 850 MPa, @ 200°C: 30 MPa |
| Ion | Value (ppm) |
|---|---|
| Na⁺ (Sodium) | 0.7 |
| Cl⁻ (Chloride) | 0.8 |
| Ca²⁺ (Calcium) | 5 |
| NH₄⁺ (Ammonium) | 0.7 |
| Other Ions | Not detected (N.D.) |
| Frequency | Dielectric Constant | Dissipation Factor |
|---|---|---|
| 1 GHz | 3.44 | 0.0071 |
| 2 GHz | 2.87 | 0.0037 |
| Property | Value |
|---|---|
| Lap Shear Strength (Glass Epoxy) | 9.7 N/mm² (1,400 psi) |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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