Applications

LOCTITE ABLESTIK ABP 8611 – Die attach adhesive for small die and Cu wire bonding applications

• Item Name: LOCTITE ABLESTIK ABP 8611
• Manufacturer: Henkel
• Technologies: BMI Hybrid
• Color: Light yellow paste
• Cure Type: Heat cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE ABLESTIK ABP 8611 is a BMI hybrid, heat-curable die attach adhesive presented as a light yellow paste. It exhibits high adhesion to metal leadframes, excellent dielectric properties, and maintains a high modulus at elevated temperatures. The formulation is particularly suited for small die applications and copper wire bonding, minimizing die shift during processing while preventing current leakage and short circuits in voltage isolation scenarios.

2. Applications

  • Die attach in semiconductor packaging

  • Component attach for small dies

  • Copper wire bonding applications

  • Voltage isolation applications requiring high dielectric performance

3. Typical Properties

Property Value
Uncured Material
Viscosity, Brookfield CP51, 25°C, mPa·s (cP) 16,000
Thixotropic Index (0.5/5 rpm) 3.8
Work life @ 25°C, hours 24
Curing Performance
Recommended cure 30 min ramp to 175°C + 60 min @ 175°C
Cured Material
Bulk Thermal Conductivity, W/(m·K) 0.7
Tensile Modulus 25°C: 5,000 N/mm² (725,188 psi), 200°C: 550 N/mm² (79,770 psi), 250°C: 450 N/mm² (65,266 psi)
Volume Resistance, ohm-cm @700 V: 9.9×10¹⁸, @1,000 V: 1.4×10¹⁹
Die Shear Strength, kgf 2×2 mm Si die: Bare Cu LF @25°C: 10.5, @260°C: 2.5; Ag/Cu LF @25°C: 11.0, @260°C: 3.0; PPF LF @25°C: 10.5, @260°C: 1.5

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