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AI Technology ME 7650-RC

ME 7650-RC is a low viscosity version of ME7150 for snap curing applications. It is a reworkable, unfilled, electrically insulating, and thermally conductive epoxy paste adhesive. It exhibits outstanding flexibility for bonding materials with highly mismatched CTE's (i.e., alumina to aluminum, silicon to copper). The stress-free flexible characteristic of this material makes it useful for bonding high-powered, large area dies and components. ME 7650-RC can be cured rapidly at 150-180°C for approximately 60 seconds without creating voids. It can be readily reworked at 80-100°C.

Product Type: Adhesive, Epoxy Adhesive, Solvent free (100% Solids) Adhesive

Application Area: Die/Chip Attach

Compatible Substrates & Surfaces: Aluminum, Copper, Metal, Silicon

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, Thixotropic
  • Electrically Insulating
  • Epoxy Paste Adhesive
  • <20 ppm lonic Impurities

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Applications
  • Large Area Die Attach
  • Component Attach Including SMT
  • Substrate Attach
  • Sealing
Application Process
  • Thaw for 30 minutes before opening jar.
  • Dispense adhesive onto clean substrate.
  • Cure according to one of the recommended schedules.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Average Viscosity (0.5 rpm, 25°C)8000 - 12000cpBrookfield DV-1, Spindle CP51
Cured Density1.08 - 1.32gm/cc
Device Push-off Strengthmin. 8.3N/mm²
Dielectric Strength750.0Volts/mil
Electrical Resistivity (150°C/60 min)1x10¹⁴ohm-cm
Glass Transition Temperature-27.5 to -22.5°C
Hardness (Type)54 - 66Shore A
Lap-Shear Strengthmin. 6.9N/mm²
Linear Thermal Expansion Coefficient102 - 138ppm/°C
Maximum Continuous Operation Temperaturemax. 150°C
Thermal Conductivity0.18 - 0.22W/m-°C

Technical Details & Test Data

Cure Schedules
Temperature Time
140 C 3 min
160°C 90 sec
180C 30 sec

Packaging & Availability

Availability

ME7650-RC is available in syringes for automatic needle dispense applications or in jars.

Storage & Handling

Shelf Life
1 year (-40°C), 3 months (0°C), 5 days (25°C)