Roll to roll coaters for flexible solar cell productionRoll to roll coating systems – sometimes also called web coaters – are a classic highlight in the portfolio of Leybold Optics. Decade-long experience with capacitor and packaging web coating systems provide us with unique competences in key areas, such as winding of flexible, often delicate, substrates under vacuum, continuous deposition, and process control. Together with the mastery in the fabrication of semiconductor layer stacks for solar cells, via sputtering technology, evaporation or CVD processes, Leybold Optics is equipped with the ideal toolbox to develop and implement roll to roll coating plants for next generation photovoltaics. Other emerging application fields are high temperature superconductors and barrier layers for organic solar cells and LEDs. |
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Our approach: modular design and customization Up to now, Leybold Optics is the world market leader in the flexible solar cell field, with several installations of R&D, pilot line and production systems. Since we are still at an early stage of the innovation cycle in the sector, Leybold Optics strives for a high degree of design flexibility for customer specific requirements and processes. Our modular approach opens many options:
Platform Web750Web750 is a showcase system for flexible solar cell production. In a basic configuration, the sputter version Web750sp can be equipped with two sputter stations for i-ZnO and ZnO:Al2O3, essential parts of CIGS semiconductor stacks. The Web750sp can be expanded for a fully integrated production tool for CIGS cells on metal substrates, including process stations for, e.g., evaporation and annealing. Patented Leybold Optics technology allows a full 360° design: substrate transport without ever touching the coated surface. Schematic set-up of Web750sp:
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 Questions, inquiries, comments?
Telephone: +49 351 86695-112 and -46 |
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