At this year’s European Photovoltaic Solar Energy Conference in
Hamburg, Germany, live runs of crystalline solar cells will be
demonstrated by Oerlikon Systems, a leading provider of nano-Technology
manufacturing solutions.The live demo of the new SOLARIS
coating system (booth B6/26) highlights the system’s growing popularity
within the PV industry.
“Right now, we have a large number of clients around the world
qualifying processes on the SOLARIS,” adds Andreas Dill, Head of
Oerlikon Systems. “And the market interest continues to boom.”
Similar in design to high throughput production systems used in the
optical disc industry for DVD and Blu-ray discs, SOLARIS is a high-speed
single wafer sputtering system that can be easily configured for
emerging nanotechnology and clean energy applications, but the
combination of low power consumption, small footprint and high uptime
make it an ideal solution for PV production.
Helping improve solar cell quality and efficiency
The production costs of solar energy depend not only on cell efficiency
but also on the productivity of the manufacturing process for solar
cells. The system design of the SOLARIS will help the solar industry
quickly implement cleaner, more cost-efficient and more reliable
production processes that are superior to conventional batch processing
platforms. Also, the combination of six process chambers, ‘single
substrate’ handling, a wide range of layer materials, and high
throughput — 1,200 wafers per hour — will contribute to a noticeable
increase in solar cell quality and efficiency, helping reduce overall
production costs.
"If we want to significantly reduce costs for solar power to grid
parity, we not only have to improve the cell itself but must also
rethink production", states Andreas Dill. “Existing standard fabrication
methods for coating crystalline solar cells are based on complex
processes with high demands made on cleaning and manual maintenance.
SOLARIS works much more efficiently.”
For example, crystalline solar cells require an anti-reflective layer on
the front and a contact layer on the backside. AR layers are currently
coated with PECVD processes and the backside contacts are
screen-printed; conventional production equipment has a very large
footprint, must be cleaned and maintained frequently and requires
additional costly equipment like scrubbers; consumables are also
expensive, adding to solar cell production costs. SOLARIS utilizes a
clean PVD process and does not require greenhouse gases or any other
additional equipment.
Oerlikon — Enabling High Technology
Oerlikon (SIX: OERL) is one of the world's leading international high-tech industrial groups specializing in machine and plant
engineering. The company is a leader in the field of industrial solutions and innovative technologies for textile manufacture, thin-film solar and thin-film coating, drive, precision and vacuum systems. With roots in Switzerland and a long tradition stretching back 100 years, Oerlikon is a global player with a workforce of more than 16000 at 158 locations in 37 different countries. The company's sales amounted to CHF 4.8 billion in 2008 and it ranks either first or second in the
respective global markets.
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