BNE 20210

DEFINITION

The PROTAVIC® BNE 20210 is a die attach adhesive, electrically insulating, carbon loaded, B-stageable epoxy adhesive.

Main features:

  • Designed for screen printing application (wafer backside coating)
  • Very good latency of paste at room temperature
  • Very good latency of B-staged products
  • Fast final curing

INSTRUCTIONS OF USE

Before use, PROTAVIC® BNE 20210 has to be homogenized by stirring slowly with a spatula in its original container, or by rolling the container for 2 hours at a slow speed (50 to 150 rpm)

Step 1 : Application

  • Screen printing application.

Step 2 : B Staging

  •  B staging
  • 90°C 0.5h
  • B stating temperature should be in the range 70°C – 110°C
  • Solvent removal : use ventilated equipment
  • B staged life : 6 months at room temperature

Step 3 : Die Bounding

  •  Die attach
  • Temperature : from 100°C to 110°C
  • Time : from 1s to 10s
  • Applied strength : 100N/cm²
  • Typical B staged die shear stress 150 N/cm²

Step 4 : Curing

  • Curing : 180°C 30 min