SCHOTT Nexterion

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SCHOTT Nexterion Glass Cleaning
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Substrate Production Overview
Service
Raw Glass Production
Laser Cutting of the Sustrates
Coating
Ultrasonic Cleaning
100 Automated QC for
Geometric Precision
Packing into Boxes and Sealing in
Foil Pouches
Functional QC per Batch
Delivery to Customers
Grey-room conditions
Carried out under Class 100 Clean room Conditions

• Highly efficient ultrasonic cleaning for
  contamination free surface
• Coating with state-of-the-art technology for
  reproducible surfaces
• Class 100 clean room conditions from cleaning to
  packaging for clean surfaces
• High flexibility for the most comprehensive
  product line of coated slides to cover all your
  microarray applications

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Three Levels of Cleanliness
Description Cleaning process Packaging External Packaging Comments
Uncleaned Deionised water in a conventional washing machine with brushes Grey room conditions Plastic storage boxes Grey room conditions None Recommended if a thorough cleaning procedure is used prior to further processing
Ultrasonically cleaned Automated ultrasonic cleaning line using multiple wash steps of varying pHs, rinse steps and final drying stage. Class 100 clean room Plastic storage boxes Class 100 clean room None Recommended if a simple cleaning procedure is used prior to further processing
Clean room cleaned Automated ultrasonic cleaning line using multiple wash steps of varying pHs, rinse steps and final drying stage. Class 100 clean room Plastic storage boxes Class 100 clean room Sealed in air-tight laminated foil pouches under inert Argon atmosphere Class 100 clean room Glass may be used without any cleaning steps
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Fully Automatic Ultrasonic Cleaning

• SCHOTT glass is cleaned by an automated
  ultrasonic cleaning line in a series of wash
  steps using commercial cleaning solutions
  recommended for optical glass
• Highly alkaline cleaner (pH 12.4) containing
  alkalis, surface active compounds, solubiliser,
  wetting agents, complexing agent, sequestering
  agents
• Mildly acidic (pH 4.3) containing acids, wetting
  agents, surfactant compounds, buffer compounds
• Rinse steps in deionised water
• Final infra-red drying stage

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SCHOTT Nexterion Microarray Solutions