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• 1. PVA CGS  
  NewsContact Us We are committed to close, personal collaboration with our customers, partners and employees. If you have any questions or suggestions, please don’t hesitate to get in touch with…  
• 2. Media Center  
  Media Center Are you looking for further information about our crystal growing applications and services? The following material can be downloaded for free.  
• 3. Overview  
  Our SystemsIdeally equipped to meet Your ChallengesContact Us We are committed to close, personal collaboration with our customers, partners and employees. If you have any questions or…  
• 4. Physical Vapor Transport Systems  
   
• 5. Physical Vapor Transport Systems  
  Contact Us How can we help you with PVT systems? cgsinfo@pvatepla.comSICma System The SiCma system was specially developed for the production of silicon carbide (SiC) crystals by means of…  
• 6. Physical Vapor Transport Systems  
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• 7. Physical Vapor Transport (PVT) - The Process  
  The Process In the PVT process polycrystalline Silicon Carbide (SiC) undergoes sublimation at the source at a high temperature (1,800–2,600 °C) and low pressure. In a carrier gas (e.g. Argon),…  
• 8. Float Zone (FZ) - The Process  
  The Process In a chamber with a controlled atmosphere, a clean polycrystalline Silicon rod (source rod) is positioned above a high-frequency induction coil. When the high-frequency current is…  
• 9. Czochralski Process (Cz) - The Process  
  The Process To begin with, high-purity polycrystalline silicon is placed in the Silica crucible of a single crystal pulling system and then melted in a controlled atmosphere (Argon) using a…  
• 10. High-Temperature Chemical Vapor Deposition (HTCVD) - The Process  
  The Process A solid component is deposited on the hot surface of a substrate following a chemical reaction from the gas phase. For this to happen, gaseous compounds of the layer components must be…