Saving energy with functional glass coatings
September 7, 2011
Apollon sputter systems from Leybold Optics are in demand world-wide.
In view of the global climatic changes, energy efficiency has become an explosive topic. Stringent requirements in structural engineering require the selection of high-grade structural components. To date, glazing is in many places still considered as a source of energy leakage in the building, but in the meantime, functional coatings on glass substrates contribute considerably towards an improving the energy balance. With its "Apollon" coating systems, the Glass & Solar business unit at Leybold Optics, Alzenau/Germany is setting the benchmark as far as coatings of architectural glass are concerned. During the last few months, two systems were ordered by Asian companies, and further contracts are about to be concluded. Apollon is a flexible, horizontal inline coating system producing demanding functional coatings on architectural glass with high efficiency, consistency, and excellent performance. Within a relatively short period of time, approx. 30 seconds, the “Apollon 3300” is able to coat glass substrates of up to 20 square metres, i.e. 3.300 millimetre x 6.000 millimetre (width x length). The annual productivity is around 12 million square metres. The "Apollon 2540" design processes substrates with dimensions 2.540 millimetre x 3.660 millimetre (width x length), thus approx. 9.5 square metres. The system's high degree of flexibility permits an easy change of both substrate and coating during a production series. Any necessary configuration changes can be directly effected by the customer. High-quality coatings provide a well-balanced climate inside a building. In winter, it is necessary to prevent heat from being lost from the inside to the outside, while in summer on the contrary, the greenhouse effect caused by penetrating thermal radiation needs to be prevented. Special recipes for coatings on glass substrates reduce the incidence of light by means of reflection and absorption, thus providing for the desired thermal insulation value. The scope of coating types ranges from “Low-E”, a heat protection coating with a thin silver layer, through “Double Low-E”, an insolation protection with two silver layers (regarded world wide as the standard for modern glass architecture), up to the superior “Triple Low-E”. This last is a high-performance design, with three silver layers, and is preferred particularly for projects where climate protection and aesthetic architecture are realised in sophisticated building designs. The coatings are respectively located in the inside space between the panes. Depending on the design, the multiple glazing is filled with a special gas and sealed with a bonded frame made of aluminium or stainless steel. The market trend towards triple coating is readily apparent. In the meantime, glass is no longer only regarded a design element, but is necessarily integrated into a building's entire energy calculation. Leybold Optics is able to respond flexibly to special customer requirements, such as substrate thickness, size format, and other details. We continuously incorporate advances from our ongoing research and development into our products, thus ensuring Leybold Optics coating systems remain at the forefront of technology. The practical, functional design, use of high-quality components, long operational life, combined with the ease of maintenance make for an excellent price/performance ratio. Apollon is sold world-wide- information and prices are available on request. Company Profile: Leybold Optics GmbH is one of the world's leading suppliers of vacuum technology. It also develops processes and manufactures complex high-end coatings. This reputed thin film specialist sets milestones in the fields of sputtering, PEVCD, plasma assisted evaporation, automation and software. It is organised into two divisions: Optics and Glass & Solar. The Glass & Solar division portfolio comprises vacuum systems for the photovoltaic industry and machines that are used to coat architectural glass, displays and other large-area applications. The Optics division markets deposition systems for precision optics, ophthalmic lens coating, the automotive and the electronics industry. The foundation stone of its success was laid over 160 years ago by the founders and inventors Ernst Leybold and Wilhelm Carl Heraeus. Their pioneering spirit and dedication to research and the development of new production procedures is reflected in the market standards that have gained worldwide recognition since the company was founded. Today, Leybold Optics, which is traditionally committed to innovation and quality, is a global company that has more than 500 employees across the world. Company Contact: Leybold Optics GmbH Jörg Hahn Manager Sales and Marketing Glass & Solar Siemensstraße 63755 Alzenau Germany Phone +49 (0)6023 500-0 or-188 Fax +49 (0)6023 500-9188 Press Contact: Benson GmbH, Gisela Benson Agentur für angewandte Kommunikation 88 Brucker Straße 4 82266 Inning am Ammersee Germany Phone +49 (0)8143 44 4473 Fax +49 (0)8143 44 4761
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