Wafer Cassette Mapping- Kensington Labs

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Wafer Cassette Mapping
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• The process of transferring and storing the
  semiconductor wafers in the cassette is called
  wafer cassette mapping. Wafer cassette is also
  considered a wafer carrier that provides the
  maximum protection to wafer against the gaseous
  elements, nanoparticles, dust dirt, etc.

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The Different Kinds of Wafer Cassettes Online

• The 6 and 8 wafer carriers are widely available
  online, yet it may vary as per the location and
  brand which one decides while shopping.
• Lets have a glance at the three distinct
  dimensions of wafer cassettes mapping.
• DI Dimension
• Pocket Spacing
• Pocket Flat

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DI Dimension

• It is used for measuring the total distance of
  the cassette from one end to the center position
  of the wafer pocket.

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Pocket Spacing

• The measurement of every wafer pocket from the
  centerline to the total distance is called pocket
  spacing.

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Pocket Flat

• The wafer pocket, which comprises a linear
  distance, is defined as the pocket flat wafer
  cassette mapping.

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Difference Between 6 Wafer Carrier 8 Wafer
Carrier

• 6 and 8 wafer cassette may hold the 25 slots,
  yet the hallmarks are different. For instance
  155mm/6-inch carrier wafers are free from the
  hydrolytic, chemical, and heat resistance. It
  incorporates the non-porous surfaces and utilizes
  the advanced versions of antistatic materials.
  However, from customization, durability, high
  precision control to RFID devices can be
  furnished with 200mm/8-inch wafer carriers
  without any hassle.

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