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