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  • PV Precision
Aug 2012
Power Vision Ltd.Request Info
CREWE, England, Aug. 30, 2012 — PV Precision, an optical coating system manufactured by Power Vision Ltd., coats small batches of substrates with fast cycle times.

The standard substrate carrier has six positions for mounting substrates in a vertical configuration. Special substrate tooling can be provided to maximize coating throughput and accommodate specific component types. The system incorporates a vacuum load lock for high throughput and low maintenance while maintaining vacuum conditions suitable for precise and high-quality deposition. Time to deposit a typical nine-layer broadband antireflection coating is ~20 min.

The system coats six substrates up to 100 mm2. It uses a patented magnetron sputtering process to deposit coatings with high density, adhesion and refractive index. The standard system is equipped with two target materials with the option for a three-material configuration. It uses an optimized plasma source to provide good in situ plasma cleaning while providing in-process ion bombardment.

The standard system’s low-temperature process coats temperature-sensitive materials including CR39, polycarbonate and polyethylene terephthlate. This process also is suited to producing low-stress coatings on a number of conventional substrates, including glass, silicon and metals.

An optional substrate heater enables high-temperature deposition up to 500 °C, and a meissner trap is available for vapor-critical processes. Applications include antireflection coatings, transparent conducting oxides, color/IR filters, visible and thermal control coatings, and thin films for photovoltaic applications.


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magnetron sputtering
A variation from standard physical vapor deposition (PVD) coating techniques, magnetron sputtering is a plasma coating process that utilizes magnetic fields to contain the plasma in front of the target in order to intensify the bombardment of ions on the target during the sputtering process. The result of magnetron sputtering is a dense plasma coating deposited on a given substrate that is placed in front of the target.
A tough, durable, heat- and cold-resistant optical quality plastic used in injection-molded items such as streetlight lenses, automotive taillights and audio compact discs.
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