UV-3720 - Active Alignment UV Cure Epoxy Adhesive
Product Description
FLASHBOND™ UV-3720 is a filled, low shrinkage, UV light curable epoxy designed for active alignment application on optical assemblies, camera modules, and LiDAR. UV-3720 can also be cured with heat alone in applications where the adhesive cannot be exposed to light. This product is halogen free, contains low ionic content, and survives 85RH/85°C for >1000 cycles.
Product Specifications
| No.of Components | 1 |
| Mix Ratio by Weight | |
| Mixed Viscosity @RT(cps) | 60,000-70,000 |
| Pot Life @25°C(100 gram) | |
| Recommended Cure | 10-15 seconds, 220-365nm, Minimum intensity 200 mW/cm |
| Alternate Cure | 20 minutes @ 125°C |
| Color | Off-white |
| Specific Gravity | 1.62 |
| Hardness(Shore) | D-85 |
| Refractive Index | |
| Lap Shear Strength @25°C(psi) | 2500 |
| Tg(°C) | 155 |
| CTE(Below Tg)10-6/°C | 30 |
| Service Temp.Range | -55°C - 250°C |
| Thermal Conductivity(W/m°K) | |
| Volume Resistivity(500 V) | 1 x 10^14 |
Recommended Applications
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Active Alignment
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Glob Top Encapsulation for IC and PCB Protection
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Edge Bonding in Optical and Electronic Assemblies
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High-Strength Bonding of Glass, Metal, and Ceramics
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