Release Sheet
RM Series
RM-4100 reduces the flash burr in molding QFN etc. package.
Features
- Flat molding surface can be given, because of reducing the wrinkle in loading the sheet and in clamping the mold.
- The surface layer of special material sticks to the substrates and the terminals, etc.
- Therefore the sheet protects the invasion of the epoxy molding compounds, the flash is prevented.
Molding Experiment Example
Characteristics (Typical Values)
| Items |
Unit |
RM-4100 |
RM-4200 |
|---|---|---|---|
| Composition (Section) |
– |
 |
 |
| Thickness of sheet |
mm |
0.04 |
0.05 |
| Tensile Strength |
MPa |
40 |
40 |
| Tensile Elongation |
% |
50 |
50 |
| Standard Dimensions (W x L) |
mm |
50~300×1000 |
50~300×2000 |
| Product |
– |
Role (dia. approx. 12cm) |
|
| Surface of Film |
– |
Flat |
Mat |