The WHS-M4 collection features premium metal wafer cassettes designed for 12" (300 mm) semiconductor wafers. Available in aluminum or stainless steel, these FOUP-style cassettes are fully SEMI compliant and compatible with all 300 mm load ports, ensuring seamless integration into automated wafer handling systems.

Each WHS-M4 cassette features a 25-slot design with a 10 mm (0.393") pitch that matches the profile of an industry-standard FOUP. Its lightweight yet dimensionally stable construction enables easier manual handling while maintaining reliable performance in demanding semiconductor manufacturing environments.

Side profile of 12" FOUP style stainless steel cassette in cleanroom

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