Glob Top
What is Glob Top?
Glob top is a potting compound applied as a protective coating over electronic components on circuit boards. This drop-shaped protective layer shields sensitive semiconductor devices from mechanical, chemical, and environmental influences.
Properties of Glob Top Materials
- Transparent or colored formulations
- Low viscosity for optimal wetting
- Controlled flow properties for droplet formation
- High dielectric strength
- UV and aging resistance
- Fast curing for efficient production
Applications
- Die Attach applications: Protection of bond wires
- COB modules (Chip-on-Board): Semiconductor protection on circuit boards
- Sensor bonding: Protection of sensitive sensor elements
- LED applications: Phosphor coating and protection
Application Methods
- Dispensing Valves: Precise automated application
- Needle dispensing: Manual or semi-automatic application
- Stamp printing: For uniform layer thickness
- Activis Technology: Integrated dispensing and curing
Material Requirements
- Low shrinkage to avoid stress
- Good adhesion on various substrates
- Chemical resistance to soldering and cleaning agents
- Temperature stability for reflow processes
DELO Adhesive Solutions
- Various viscosities for optimal droplet formation
- UV-curing and thermally curing systems
- Special formulations for optical applications
Looking for glob top materials for your electronics?
