AWARDSSHORTLIST
The single wafer concept gives you a high process stability compared to batch processes. Due this fact you don’t need the sorting of the cells as all of the cells have the same colour. You can save one production step and all the logistic effort to handle different coloured modules.
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market needs for solar cell metallization. It overcomes and addresses the traditional, known production limitations of inkjet - low speed, poor inkjet nozzle reliability and inaccurate nozzle drop placement.
The sputtering process allows you to run a save and clean production and does not create any additional cost for exhaust abatement. Customers benefit from the lowest CoO with a higher cell efficiency due to multilayer capability.There is less maintenance with future mobility.
40 PV Tool Award
This technology includes several patent- pending techniques including inkjet heads maintenance while printing, methodologies of material deposition, specially configured rotation of inkjet heads, nozzle calibration (with a camera) to sort and print only with good nozzles, and printing on a hot substrate. These improvements in inkjet were not required till today in classic inkjet markets, such as Graphic Arts.
XJET Xjet’s scalable inkjet technology
Xjet’s scalable inkjet technology is multifaceted and composed of a variety of innovations developed to meet the
Xjet first produced a single-pass prototype printer with a standard head configuration in 2007, incorporating the first patent of on-the-fly print-head maintenance, to enable non-stop printing. But as market requirements became clearer, new ideas were required to meet the customer spec. Standard inkjet head configuration did not print thin lines, so Xjet came up with the patented, concept of turning the heads 90 degrees to print in one thin line, with multiple drops falling precisely in line.
The head configuration was changed, the concept was tested on a mini-printer and found to be a critical enabler for a full 7 metre production machine. Xjet has a signed contracts enabling installment at both a European and Asian site, printing high efficiency customer wafers up to 18.9% for the last 6 months.
Xjet then identified the market opportunity in solar cells and has had the fortune since 2007 to work closely with one of the leading solar cell producers, to understand that inkjet had to make a dramatic switch to semiconductor-like, 24/7 production.
Metrology Test Inline Award
FISCHERSCOPE X-Ray 5000 inline EDXRF
The FISCHERSCOPE X_RAY 5000 is an innovative inline coating thickness and material analysis spectrometer specially designed for the needs of the pv thin film manufacturing process. It measures precisely thickness and composition of CIS, CIGS and other pv thin film coatings on various substrates. The unique design allows measurements at ambient air, under vacuum and on substrates with up to 500°C surface temperature.
Movement or deviation of the base material is effectively compensated with the innovative distance compensation function to ensure precise measurement and analysis.
Metrology Test Inline Award
ESYS Photovoltaics ELC Pinpoint
Micro/large cracks in solar cells are invisible but gradually increase the breakage rate of the solar cell during the
www.solar-pv-management.com Issue V 2010
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