Coating Resins for Semiconductor WafersSUMIRESIN EXCEL™ CRC
Sumitomo Bakelite Co., Ltd. launched the world's first mass production of positive-tone, photosensitive wafer coating resins in 1997. Our products have won high acclaim for meeting many customers' needs with superior properties of high resolution, strong adhesion, low moisture water absorption and environmental safety. Please do not hesitate to contact the sales representative shown below for detailed product information.
Features
It offers excellent insulation, chemical resistance, moisture resistance, thermal resistance, and package protection.
Summary
Role of photosensitive CRCs
- Protects chips from contamination and moisture
- Improved adhesion with semiconductor encapsulants
- Preventing filler attack from molding compound
Application
For Buffer coat
- High resolution
- Environmental safety
- Contribution to total cost reduction
- Strong adhesion to encapsulation material or substrate
- Excellent film characteristics
Ideal positive-tone photosensitive coating resins with the aforementioned excellent properties.
For Re-distribution layer
Excellent properties as RDL for WLP commonly used on mobile electronics.
- High resolution
- High adhesion to UBM
- Low moisture uptake (0.9%)
- Environmental safety
- High resistance to solvents
SUMIRESIN EXCEL™ CRC-8600 series
