PRODUCTS ROUND-UP HIGHLIGHTS AT EU PVSEC 2012 HAMAMATSU
Hamamatsu will introduce its latest range of imaging solutions for solar cell analysis, characterisation and inspection. On show is the new C12132 NIR Fluorescence Lifetime Measurement System, which is specifically designed for the measurement of photoluminescence (PL) spectra and PL lifetime in the visible to near infrared region of thin film semiconductor PV materials. Applications for the new NIR Fluorescence Lifetime Measurement System include solar cell and materials research. Also being displayed is the EPLi, a powerful tool for electro and photoluminescence characterisation and process improvement for a wide range of solar cells, modules and the latest technologies based on crystalline silicon and thin films. The EPLi uses various high sensitivity CCD cameras (EM/InGaAs) to acquire the luminescent state and intensity distribution of photo- and electroluminescence emitted from solar cells for analysing and characterising cells and panels, optimising manufacturing processes and quality inspection.
www.hamamatsu.eu
INFRATEC
InfraTec will be showing its fully automated optronic IR test system PV-LIT that now also can be equipped with thermographic systems of the latest generation and with megapixel resolution (VarioCAM High Definition and ImageIR 9300) allows serial as well as individual testing of solar cells and complete solar modules with highest precision. PV-LIT guarantees 100 per cent quality inspection within shortest time during the manufacturing process.
The PV-LIT testing system exhibited during the fair represents the latest development of the modular product series by InfraTec which, at the same time, combines high performance capability with most excellent control comfort. Depending on the individual task and customer requirements, it is possible to operate with uncooled or cooled camera systems. The new systems
TRUMPF
Trumpf is showcasing its short and ultrashort pulse lasers, which are especially suited for photovoltaics processing. Green lasers, as featured in the TruMicro 7240, are being increasingly used for doping processes in which the laser creates a higher local doping profile on the solar cell to improve the mobility of the charge carriers, particularly for
GRENZEBACH
Grenzebach will be demonstrating its expertise in cutting production costs, increasing product output of thin-film-modules, CSP and CPV. The company will highlight its complete portfolio for the thin film, CPV and CSP market. This includes front-end and back-end technology
26 PHOTOVOLTAICS 2012
with conveyors, washers, cutters and stackers, accumulators, handling robots, inspection systems, laser processing and process simulation, as well as MES systems for production planning and control.
www.grenzebach.com
the contact fingers An application for ultrashort pulse
lasers as TruMicro Series 5000 is the selective ablation of passivated layers on crystalline solar cells. With their excellent beam quality and power they reduce the per watt costs of solar cell performance significantly. To protect thin-film solar modules against unfavorable
environmental influences, especially against moisture, a width of approximately 10mm of the layer system is ablated along the edge and covered with a laminated film. The tool of choice for this application is the TruMicro 7050, which can process large areas at production speed reliably and securely.
www.trumpf.com
by InfraTec achieve resolutions of up to (2,048 x 1,536) IR pixel with VarioCAM High Definition and (1,280 x 1,024) IR pixel with ImageIR 9300 and thus, even smallest failures can be captured with accuracy. The system enables testing of different kinds of defects.
Numerous decisive testing criteria
– such as limit values, temperature levels, number and size of defects – can be determined by the user. Short cycle times of less than a second and a reliable continuous operation allow for use in serial production. Flexible data interfaces permit optimal adjustments.
www.InfraTec.de
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