Release film for package molding (RM-4000 Series)
About the product
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
| Item | 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 dimension (W×L) |
mm | 50~300×1000 | 50~300×2000 |
| Product | – | Role(dia.:approx.12cm) | |
| Surface of film | – | Flat | Mat |
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