System and method for creating electric isolation between layers comprising solar cells
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United States of America Patent
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Feb 1, 2011
Grant Date -
Feb 7, 2008
app pub date -
Jul 25, 2007
filing date -
Aug 4, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods for forming a patterned layer from common layer in a photovoltaic application are provided. The patterned layer is configured to form one or more portions of one or more solar cells on a rigid substrate. A first pass is made with a first laser beam over an area on the common layer. A second pass is made with a second laser beam over approximately the same area on the common layer. The first pass provides a first level of electrical isolation between a first portion and a second portion of the common layer. The second pass provides a second level of electrical isolation between the first portion and the second portion of the common layer. The second level of electrical isolation is greater than the first level of electrical isolation.
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