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AI Technology ME 8550-DA

ME8550-DA is a die attach epoxy paste adhesive designed for needle dispensing and screen-printing processing. This silver filled conductive die-attach adhesive can be rapidly cured at low temperatures.This single component, silver filled paste is electrically and thermally conductive. It is thixotropic with minimal sag. ME8550-DA 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

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
  • Flexible
  • Solvent Free
  • High Green Strength
  • Electrically Conductive
  • Epoxy Paste Adhesive

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Applications
  • "No" Bleeding
  • Large Area Die Attach
  • Screen-Printable
  • Component Attach
  • Substrate Attach
Application Process
  • Thaw for 30 min. 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 schedules.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Average Viscosity (5 rpm, 25°C)32000 - 48000cpBrookfield DV-1, Spindle CP51
Thermal Conductivity7.11 - 8.69W/m-°C
Device Push-off Strengthmin. 6.9N/mm²
Glass Transition Temperature49.5 - 60.5°C
Electrical Resistivity (150°C/60 min)max. 1x10⁻³ohm-cm
Hardness (Type)81 - 99Shore A
Lap-Shear Strengthmin. -3.4N/mm²
Current Carrying Capabilities50.0Amp/mm²
Linear Thermal Expansion Coefficient85 - 115ppm/°C
Cured Density3.42 - 4.18gm/cc
Maximum Continuous Operation Temperaturemax. 150°C

Technical Details & Test Data

Cure Schedules
Temperature Time
85°C 4 hr
100°C 2 hr
125°C 1 hr
150C 30 min

Packaging & Availability

Availability

ME8550-DA is available in syringes or in jars.

Storage & Handling

Shelf Life
1 year (-40°C), 2 days (25°C)