Dual layer stencils
Double-layer stencil, multi-layered stencil, coated stencil, resin stencil
Dual layer technology offers performance benefits over conventional stencils. Metal surface is coated with a special resin film to achieve a soft contact to the uneven surfaces of the substrates. Soft contact improves adhesion of solder paste to the substrate and reduces leakage of solder paste into the gaps between the stencil and the substrate.
Dual layer stencils provide very straight lines and enable easy flow of solder paste to the work piece. Final stencil can be adjusted in many aspects, such as stainless steel thickness, coating thickness, offset, opening etc. in order to perfectly fit your application requirements. Resin coating is mainly used for laser-cut stencils, resp. electropolished stencils???
Dual layer stencil print
Standard stencil print
| Stencil specification | |
| Material | stainless steel |
| Thickness | 30µm ~ 200µm |
| Resin coating thickness | 10/20/30µm (standard) |
| Size | 50x50mm ~ 400x500mm |
| Offset | 0 ~ 200µm |
| Resin specification | |
| Material | acrylic resin |
| Absorption | 2.0 ~ 2.5 w/w% |
| Hardness | 5H (damage), 2H (abrasion) - JIS S6006 |
| Chemical resistance | 5% - NaOH (@RT) soaked 30min 5% - HCl (@RT) soaked 60min. |
| Solvent resistance | Acetone,MEK soaked with supersonic wave 10min.or more MFG soaked with supersonic wave 30min.or more IPA soaked with supersonic wave 30min.or more |
| Temperature resistance | 170 to 180 °C |
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