PV PROCESSEQUIPMENT
Left Coast Instruments Inc www.leftcoastinstruments.com
Low light mapping system
Reltrons EL Mapper is a low-light mapping system equipped with a custom high resolution imaging module, designed for the rapid imaging of the low intensity emissions generated in forward-biased solar cells. Other camera options are available.
The emitted EL signal intensity is a function of the electron-hole concentration which is exponentially related to the applied forward bias voltage. Electroluminescence of photovoltaic devices provides valuable spatially-resolved details about efficiency-degrading mechanisms in the cell/panel that can result from:
Minority Carrier Lifetime (diffusion length); Impurities and Defects that may result in Recombination Events; EL Intensity Measurements; Quantitative EL Image Analysis; Dislocation Imaging; Micro-cracks; Lateral Series Resistance; Open circuits or discontinuities in conductors; Polysilicon grain boundaries; Relative Efficiency
Additional Metrics in the standard ICS -1000EL Software Suite include: Illuminated IV: IV curve, Isc, Voc, Pmax, Ipm, Vpm, Rs, Rsh, Eff, FF
Manz Automation AGV www.manz-automation.com
Process machines and automation systems
and cost of ownership.
Manz Automation AG, headquartered in Reutlingen/Germany, is one of the world's leading suppliers of system and process solutions for the manufacture of crystalline solar cells and thin film solar modules. With a core competence base in robotics, image processing, laser technology, wet chemistry, control and drive technology, the Manz Group supplies high-tech solutions for the photovoltaic industry. Process machines and automation systems by Manz Automation AG offer many advantages for customers in the photovoltaic industry. They are characterized by maximum efficiency and reliability. Maximum process quality and, at the same time, low cost of ownership are evidence of the high level of development and well-designed systems concepts.
MANZ IPSG 3000 wet bench, MANZ Laser Multi Tool , MANZ IPL 3600 automation, MANZ Aerosol Jet Printer
MANZ IPSG 3000 - Manz's first product for the wet chemical processing of solar cells. This innovative system for phosphor glass removal will set new standards in terms of wafer breakage
MANZ Laser Multi Tool - the flexible platform for different laser applications such as Laser Doped Selective Emitters, Laser Backside Firing or Drilling of Holes for Back Contact Cells
MANZ IPL 3600 - the next generation of high speed inline automation systems with a tact time of less than 1 second per wafer employing our latest development of a new Flexpicker Robot with higher speed and accuracy for a lower price
MANZ Aerosol Jet Printer - Contact Free Fine line printing system for improved efficiency and breakage free front side metallization.
The system will be available in different configurations, starting with our lab system that can process 600 cells / hour up to our high throughput, high accuracy print station with a throughput of 2.400 cells per hour and a printing accuracy of 10µm
Dark IV: Rs, Rsh, Dark Current Temp Coefficent Calculations: Isc, Voc, Pmax Temperature monitoring using RTD/K-Dut / T-Dut
Applications of Electroluminescence include: Process Control Research and Development Inline Manufacturing Sorting and Grading
Electroluminescence Mapping is applicable to cells, arrays, and whole panels. Both Contact and Contactless measurement mapping is possible by radiating solar cells/modules with a specific wavelength of light and measuring the emitted photoluminescence signal.
Electroluminescence measurements provide fast and accurate qualitative and quantitative information about the performance of solar cells and modules. Such information is of great value for R&D, Manufacturing and Field Service functions.
The Fast EL Mapper can be configured for both the Macro and the Micro detection of spatially-resolved bandgap emissions found in CIGS, CIS, CdTe, Poly-Si, Si photovoltaics.
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www.solar-pv-management.com Issue II 2010
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