Solar cells are specialty semiconductor devices that convert sunlight into
electricity. Manufacturing solar cells involves equipment and processes similar
to those used for semiconductor devices and TFT (thin-film transistor) displays.
However, ordinary semiconductor or TFT equipment and processes cannot be
readily applied to solar cell manufacturing.
Different process requirements and very demanding cost structures in solar PV
manufacturing call for critical innovations, especially in areas of vacuum
thin-film deposition. In the past decades, there have been little breakthroughs in
vacuum deposition technology for mass production which would meet the
challenges facing solar PV industry.
In response to the growing market needs for solar electricity, Ascentool Inc. has
developed a rich portfolio of intellectual properties (IP) in terms of U.S. and
international patents, in-depth and extensive know-how, as well as many key
engineering implementations. The IP portfolio covers vacuum thin-film
deposition tools, processes and process integration for solar photovoltaic
industry, including PVD (physical vapor deposition: sputtering, thermal and
e-beam evaporations), PECVD (plasma-enhanced chemical vapor deposition)
and others.
Ascentool's thin-film manufacturing technology enables customers to make
wafer- or thin-film based solar panels with better process, lower cost to support
a truly sustainable solar PV industry.
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Pushing the Frontiers of Thin-film Processing Technology
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