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ECN publication
Title:
Mapping of contact resistance and locating shunts on solar cells using resistance anaysis by mapping of potential (RAMP) techniques
 
Author(s):
Heide, A.S.H. van der; Schönecker, A.; Wyers, G.P.; Sinke, W.C.
 
Published by: Publication date:
ECN Solar Energy 1-5-2000
 
ECN report number: Document type:
ECN-RX--00-014 Conference Paper
 
Number of pages: Full text:
4 Download PDF  

Presented at: 16th European Photovoltaic Solar Energy Conference and Exhibition, Glasgow, Scotland, 1-5 mei 2000.

Abstract:
Two new techniques are described, one to locate shunts on solar cells(PRAMP) and one to map the specific contact resistance rc of the front side metallisation (SCRAMP). In addition, the influence of a varying #rho#c on the diode factor n and the series resistance of a cell was calculated. The new techniques are both based on the mapping of a current induced potential to analyse the resistance problems. The PRAMP scan proved to be an easy technique to detect shunts with a resolution of


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