EU PVSEC
Beyond optical inspection – Dr. Schenk steps
ahead with brand new I-V Curve Tracer
Dr. Schenk launches brand new product
at their booth B6/6 during the 24th EU circle6 By matching these detailed efficiency
PVSEC in Hamburg (21-24. September, results with data from the indirect
2009) The I-V Curve Tracer from the measurements of the SolarInspect and
SolarMeasure family enables correlation SolarMeasure systems along the
of optical inspection and efficiency tests production line, manufacturers can make
(I-V curve). immediate and long-term correlations
between local defects and panel
Currently, Dr. Schenk GmbH is a “total- efficiency. These correlations enable
solution provider“ of metrology systems manufacturers to define and optimize
for PV thin-film modules worldwide. process criteria as well as quality rules for
Having installed more than 50 systems each production step. Corrective actions
into running thin-film production lines on the module efficiency! Dr. Schenk‘s can be taken as early as possible and
within the past 3 years, Dr. Schenk‘s brand new I-V Curve Tracer meets three production costs can be reduced.
specialized solutions for virtually every challenges that flashers cannot overcome
processing step along the line are and is therefore the perfect addition to With the I-V Curve Tracer, a brand new
unmatched in the industry. Now, Dr. every thin-film line. measurement innovation being launched
Schenk GmbH has taken the next step in during the 24th EU PVSEC, Dr. Schenk
thin-film metrology. circle6 As flashers are installed at the end of sets itself 2 steps ahead of the metrology
the production line, a module with competition. With this unique and
”Indirect metrology tests”, for example the bad/low efficiency can only be sorted out innovative product, customers can
measurement of pinhole density, layer after complete processing. This results in evaluate and correlate metrology data
thickness or haze monitoring, enable the a waste of expensive process capacity from optical and electrical measurements
manufacturer to evaluate the module and material, e.g. for laminating or cover along the line and perceive an early
23
quality and give an early warning as soon glass processing. In order to avoid this feedback and a comprehensive
as a process step no longer meets the loss, Dr. Schenk‘s I-V Curve Tracer is overview of the entire manufacturing
www
preset tolerances. These indirect integrated before the lamination step and process.
.solar
measurements alone cannot make a enables the manufacturer to sort out
prediction about the final electrical faulty products before the module is sent This global evaluation, uniquely offered
-pv-management.com
efficiency of the solar panel. As today‘s on to cost intensive back-end steps. by Dr. Schenk GmbH, reveals the real
sun simulators or flashers are installed potential for process optimization.
only at the very end of the production line circle6 Whereas a flasher test can only deliver
when low quality modules have already one efficiency result for the entire panel, For further information on the I-V Curve
gone through expensive back-end the I-V Curve Tracer measures space-, Tracer and other solutions for the thin-film
processing, Dr. Schenk has developed a wavelength-and irradiance-resolved and PV industry, Visit the Dr. Schenk booth
unique innovation that is complimentary can, thus, identify the exact position or B6/6 at 24th EU PVSEC in or refer to
Issue V 2009
to flashers but enables an early feedback cell of an irregularity.
www.drschenk.com
Who did you vote for?
Winners announced on page 14
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