WHS

Process aluminum cassette, (AL, HC) 8" - 25 slot, angled slot (standard) (WHS-M1) cover-plate (top), H-BAR (bottom)

Process aluminum cassette, (AL, HC) 8" - 25 slot, angled slot (standard) (WHS-M1) cover-plate (top), H-BAR (bottom)

Product description

Applications:

  • Process Equipment - Thermal processes environments where the wafer is processed in the cassette above 43° C (110° F), the typical structural threshold upper limit of plastic process cassettes.  This includes chemical vapor deposition (CVD), rapid thermal processing (RTP) and wafer annealing applications.
  • Bake - Long term thermal bake applications where wafers are left in ovens for multiple days.
  • High wafer insertion temperatures - Process equipment where wafer insertion temperatures (wafers coming out from the process tool) exceed the melting point of a plastic cassette.  The need for higher throughput reduces the amount of time the wafers are left inside the chamber to cool and acclimate. 
  • Internal environment cassette - Cluster tool automation environments where a cassette is idle inside a heated vacuum environment (chamber) for multiple process steps.
  • Precision carrier requirements - Moderate-thermal automation environments where there is a need for dimensional precision that a plastic cassette cannot offer.
  • Thin Wafer Handling - Thin wafer handling where sharp thin wafers cut into plastic cassettes.
  • Thick Wafers - Bonded or thick wafer applications where industry standard plastic cassettes will not work due to slot dimensions.

The M1 series is an all aluminum 200 mm (8") 25-slot metal cassette with option a end wall handle for processing semiconductor wafers in a thermal environment, up to 350° C. A SEMI compliant cassette with outside dimensions and 8° angular slots similar to an industry standard plastic cassette for easy integration into stage and transfer automation considerations. All aluminum surfaces are (HC) hard clear anodized for prolonged abrasion resistance.

WHS

Process aluminum cassette, (AL, HC) 8" - 25 slot, angled slot (standard) (WHS-M1) cover-plate (top), H-BAR (bottom)

Choose your size:
Aluminum with wear-resistant, smooth hard-coating
Heat-resistant up to 350°C (Al)
Smooth slot-entry and -shape Vacuum vented screws
Design according to SEMI-standard

Specifications

Brand
WHS
Product Number
WHS-M1-1807786
Material
Aluminum
Wafer size
200 mm (8”)
Slots
25
Top/bottom
Cover-plate / H-bar
Handle
No handle
Max. operating temp.
Up to 350°C
Surface finish
Hard Clear Anodized (HC)
Status
Request information

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