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Achilles - Multilayer Cushions

The cushions are the main protection placed inside the wafer carriers and absorbing external chocks and internal moves of the wafers stack. They are compatible with 4“, 5“, 6“, 8“ and 12“ wafers, and exist with different thicknesses: 3mm, 5mm and 6mm.

Their multi-layer structure improves their mechanical performances and offers a high purity grade. One thick PE core is covered with PE films on both sides.


Antistatic multi-layer cushions:

  • Name: Protos Cushions type PEAS
  • Resistance: <1*10E+12 Ω
  • Color: dark pink


Conductive multi-layer cushions:

  • Name: Protos Cushions type PEST
  • Resistance: <1*10E+8 Ω
  • Color: dark grey
  • Semiconductor, Solar & Electronics

Protos Cushion Antistatic type

Protos Cushion Type PEAS (highly clean type)

Part Number MA-4PEAS-1/3/5/6/10 (for 4 inch)
MA-5PEAS-1/3/5/6/10 (for 5 inch) MA-5PEAS-1/3/5/6/10 (for 5 inch)
MA-6PEAS-1/3/5/6/10 (for 6 inch) MA-6PEAS-1/3/5/6/10 (for 6 inch)
MA-8PEAS-1/3/5/6/10 (for 8 inch) MA-8PEAS-1/3/5/6/10 (for 8 inch)
MA-12PEAS-1/3/5/6/10 (for 12 inch) MA-12PEAS-1/3/5/6/10 (for 12 inch)
Feature Stable antistatic perfomance
Cleanliness(Independent foaming/Surface film lamination) Cleanliness(Independent foaming/Surface film lamination)
Excellent impact absorption Excellent impact absorption
Surface Resistance Value < 1.0×1012Ω
Standard Available with 5 cushioning thicknesses: 1mm, 3mm, 5mm, 6mm, 10mm
Material Polyethylene cushion laminated by Polyethylene film
Configuration Antistatic multi-layer cushion

Protos Cushion Type PU

Part Number MA-4U-5/10/15/20 (for 4 inch)
MA-5U-5/10/15/20 (for 5 inch) MA-5U-5/10/15/20 (for 5 inch)
MA-6U-5/10/15/20 (for 6 inch) MA-6U-5/10/15/20 (for 6 inch)
MA-8U-5/10/15/20 (for 8 inch) MA-8U-5/10/15/20 (for 8 inch)
MA-12U-5/10/15/20 (for 12 inch) MA-12U-5/10/15/20 (for 12 inch)
Feature Stable antistatic perfomance
Low cost Low cost
Excellent impact absorption Excellent impact absorption
Surface Resistance Value < 1.0×1011Ω
Standard Available with 4 cushioning thicknesses: 5mm, 10mm, 15mm, 20mm
Material Anti-Static Polyurethane
Configuration Antistatic single layer cushion

Protos cushion Conductive type

Protos cushion Type PESD

Part Number MA-4PESD-1/3/5/10 (for 4 inch)
MA-5PESD-1/3/5/10(for 5 inch) MA-5PESD-1/3/5/10(for 5 inch)
MA-6PESD-1/3/5/10(for 6 inch) MA-6PESD-1/3/5/10(for 6 inch)
MA-8PESD-1/3/5/10(for 8 inch) MA-8PESD-1/3/5/10(for 8 inch)
MA-12PESD-1/3/5/10(for 12 inch) MA-12PESD-1/3/5/10(for 12 inch)
Feature Stable conductive performance
Cleanliness(Independent foaming) Cleanliness(Independent foaming)
Excellent impact absorption Excellent impact absorption
Surface Resistant Value <1.0×108Ω
Standard Available with 4 cushioning thicknesses: 1mm, 3mm, 5mm, 10mm
Material Conductive Polyethylene
Configuration Conductive single-layer cushion

Protos Cushion Type PEST (highly clean type)

Part number MA-4PEST-1/3/5/6/10 (for 4 inch)
MA-5PEST-1/3/5/6/10 (for 5 inch) MA-5PEST-1/3/5/6/10 (for 5 inch)
MA-6PEST-1/3/5/6/10 (for 6 inch) MA-6PEST-1/3/5/6/10 (for 6 inch)
MA-8PEST-1/3/5/6/10 (for 8 inch) MA-8PEST-1/3/5/6/10 (for 8 inch)
MA-12PEST-1/3/5/6/10 (for 12 inch) MA-12PEST-1/3/5/6/10 (for 12 inch)
Feature Stable conductive perfomance
Cleanliness(Independent foaming/Surface film lamination) Cleanliness(Independent foaming/Surface film lamination)
Excellent impact absorption Excellent impact absorption
Surface Resistance Value < 1.0×108Ω
Standard Available with 5 cushioning thicknesses: 1mm, 3mm, 5mm, 6mm, 10mm
Material Polyethylene foam laminated by Polyethylene film
Configuration Conductive multi-layer cushion
AchillesAchilles is manufacturing wafer handling systems with high purity materials for safe transportation of wafers.
[Achilles, Multilayer Cushions, Antistatic multi-layer cushions, Conductive multi-layer cushions]