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chemical compatibility and excellent 100 workstations to significantly reduce
XeroCoat Technology
thermal stability. Kalrez parts are used to the potential for contamination.
XeroCoat anti-reflective coating
improve sealing reliability in critical PV Each item is individually packaged in a
wafer processing equipment that uses bar-coded bag for full traceability.
plasma, high heat and aggressive These products are available in the form The XeroCoat anti-reflective coatings
chemicals. of O-rings, sheets and custom parts. claim to increase conversion efficiency
and consequently, the power output of
Kalrez perfluoroelastomer parts have solar systems, while being of low cost.
been field proven in highly aggressive Photovoltaic modules suffer from reduced
sealing environments, e.g semiconductor
Rohm and Haas
conversion efficiency even before the
wafer processing. Kalrez seals resist over Company sun’s light reaches the solar cells. This is
1800 chemicals including reactive gases
Enlight Materials Suite
because the solar module’s protective
and plasmas, alkalis, acids and solvents. cover glass reflects some of the incident
Even in contact with these corrosive light. For typical glass panels, depending
chemicals, the seals retain their elastomer The Enlight product suite from the Rohm on the time of day, 4% to 15% and more
properties to temperatures as high as and Haas Company, is designed to of the incoming light is lost from
325°C. These products produce improved improve traditional solar cell processing reflections and, thus, is not available to
results with less downtime due to a by increasing cell efficiency and generate electricity. Applying an anti-
reduction in the need for preventative increasing manufacturing yields. The reflective coating to the cover glass of the
maintenance (PM). Overall the need for higher cell efficiencies while module will reduce these reflections and
perfluoroelastomer parts can have a controlling costs and improving yields is a increase the module’s output power.
positive impact on productivity and core focus towards reducing the cost-per- Current commercial PV technologies
reduce the cost of ownership in the watt of traditional solar cell products. convert 10%-20% of the incoming light to
production environment. electricity. The same module with a
Improved material performance is a key suitable anti-reflective coating can deliver
Kalrez PV8030 is used for surface focus for achieving these goals in high- an additional 0.3%-0.6% power
texturing, polysilicate removal and ‘wet’ volume cell and wafer production conversion. A product achieving higher
scrubber/abatement applications. Kalrez environments. The Enlight SilverPlate 620 conversion efficiency in a cost-effective
PV8050 is used for edge isolation, ARC is used for PV metallization offering an manner, can make solar modules more
coating, CIS/CIGS and cadmium telluride improved Light Induced Plating (LIP) affordable.
cell layer and TCO deposition processes. solution over the company’s first
Kalrez PV8070 is used for doping, generation product. This new technology,
metallization, and CIS/CIGS cell layer claims the company, can increase cell
deposition processes. Kalrez 9100 is efficiencies by as much as 0.6%
designed for amorphous/ microcrystalline compared to standard paste processes.
Issue III 2009
silicon cell layer deposition processes. Enlight JetResist 1310 is for PV imaging
and is a hot melt ink that is compatible
Kalrez parts have excellent thermal with most drop-on demand inkjet
stability with maximum continuous service systems. By using the XeroCoat anti-reflective
temperature up to 325°C, very low out- coating on a photovoltaic module, the
gassing properties and broad chemical The product has resolution capability solar energy reaching the solar cells is
compatibility enabling them to withstand down to 60µm and is compatible with claimed to increase by as much as 3% at
virtually any process media including most etches, including BOE, HF and noon and by as much as 6% at early
reactive plasmas. cupric chloride. Enlight JetStrip 1210 morning and evening hours. Module
Stripper is optimised to remove JetResist makers can expect a 3% increase in
DuPont Performance Elastomers also has 1310 with fast stripping speeds. It can be power output on a peak watt (Wp) basis,
integrated manufacturing back to the used in either spray or immersion and a 4% increase in energy produced on
polymer, enhancing quality control and equipment configurations and will not a kilowatt-hour (kWhr) basis, resulting in
product development. Kalrez parts are attack underlying emitter layers. the equivalent of a solar cell efficiency
manufactured in ISO 9000 registered gain of approximately 0.5-0.75% points,
facilities and are available in a wide Enlight Wafer Clean 320 Series is without modification. Using a non-toxic,
variety of finished products from designed for PV leaning that has been recyclable coating materials and a low
conventional seal shapes and bonded optimised to allow for customised energy manufacturing process it also
door seals to custom geometries. cleaning and etching performance while meets IEC 61215 module test standards
On request, the parts are specially being compatible with mono-crystalline and exceeds current industry standards
cleaned and double packaged in Class and multi-crystalline substrates. for abrasion resistance.
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