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AI Technology ME 8418

ME 8418 is designed for automated, inline processing. This single component, silver filled paste is solvent free, and electrically and thermally conductive. It is highly thixotropic with outstanding compatibility for bonding different adherends. The higher Tg and modulus made it more suitable for bonding smaller devices only. Wire- bonding at temperatures as high as 250°C is permissible. ME 8418 has been designed to eliminate bleeding on both silver plated copper and alloy 42 leadframes.

Product Type: 1K (1 component) Adhesive, Adhesive, Conductive Adhesive, Epoxy Adhesive, Solvent free (100% Solids) Adhesive

Application Area: Die/Chip Attach, Wire Bonding

Compatible Substrates & Surfaces: Copper, Metal

Chemical Family: Epoxy & Epoxy Derivatives

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Product Highlights
  • Snap-Curing
  • Solvent-Free, Void-Free
  • <20 ppm lonics
  • Silver Epoxy
  • Conductive Die-Attach Paste

Applications & Uses

Compatible Substrates & Surfaces
Applications
  • In-line Die-Attach
  • Smaller Dies of 5 mm or less
  • Smaller Area Substrate and Component Attaches
Application Process
  • Thaw to ambient temperature for 30 minutes before opening jar or using syringes.
  • Dispense adhesive onto clean substrate with a suitable pattern to assure full die coverage.
  • Cure according to the recommended schedule.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Average Viscosity (0.5 rpm, 25°C)48000 - 72000cpBrookfield DV-1, Spindle CP51
Cured Density3.15 - 3.85gm/cc
Current Carrying Capabilities20.0Amp/mm²
Device Push-off Strength8.3N/mm²
Electrical Resistivity (150°C/60 min)max. 4x10⁻⁴ohm-cm
Glass Transition Temperature72 - 88°C
Hardness (Type)72 - 88Shore D
Linear Thermal Expansion Coefficient34 - 46ppm/°C
Maximum Continuous Operation Temperaturemax. 150°C
Thermal Conductivity3.87 - 4.73W/m-°C

Technical Details & Test Data

Cure Schedules
Temperature Time
150-160°C 60 sec
125°C 5 min
80°C 30 min
60°C 8 hr

Packaging & Availability

Availability

ME8418 is available in syringes for automatic needle dispense applications or in jars.

Storage & Handling

Shelf Life
1 year (-40°C), 6 days (20°C)