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LOCTITE® ABLESTIK ABP 6395T – Adhesive – Die Attach, Electronic Adhesive

• Item Name: LOCTITE® ABLESTIK ABP 6395T
• Manufacturer: Henkel
• Technologies: Epoxy
• Color: Silver
• Cure Type: Heat cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 12 months

1. Product Overview

LOCTITE® ABLESTIK ABP 6395T is a one-component, heat-cured, electrically conductive epoxy die attach adhesive. It is designed for high-reliability applications requiring good workability, high thermal conductivity, and strong adhesion to various leadframes and die surfaces.

2. Applications

  • Die attach adhesive for semiconductor packaging
  • Suitable for SOIC, SOP, QFP, and QFN packages
  • Adheres well to Ag, Cu, and PPF leadframes
  • Works with BSM (backside metallization) and non-BSM die

3. Typical Properties

Uncured Properties

Property Value
Appearance Silver
Thixotropic Index (0.5/5 rpm) 6.2
Viscosity (Brookfield CP51, 25°C, 5 rpm) 8,500 mPa·s
Work Life @ 25°C 24 hours
Shelf Life @ -40°C 365 days

Curing Performance

Cure Schedule Conditions
Standard Cure 30 min ramp to 200°C + 30 min at 200°C (in N₂ or air)
Alternate Cure 30 min ramp to 175°C + 60 min at 175°C (in N₂ or air)

Cured Properties

Physical Properties

Property Value
Coefficient of Thermal Expansion (ppm/°C) Below Tg: 54, Above Tg: 112
Glass Transition Temperature (Tg) 7°C
Dynamic Tensile Modulus @ 25°C: 8,146 N/mm² (1,181,477 psi)
@ 150°C: 1,436 N/mm² (208,274 psi)
@ 250°C: 1,144 N/mm² (165,923 psi)

Thermal Properties

Property Value
Thermal Conductivity (W/m-K) Standard Cure: 30
Alternate Cure: 20

Electrical Properties

Property Value
Volume Resistivity 4 × 10⁻⁵ ohm-cm

Adhesion Properties (Die Shear Strength, kg-f)

Condition Ag LF Cu LF PPF LF
@ RT 10 9 9.4
@ 260°C 2.8 2.4 2.6

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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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