Aerosol Jet (R) printing system for photovoltaic applications
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United States of America Patent
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Issued Date -
Mar 5, 2009
app pub date -
Sep 2, 2008
filing date -
Aug 31, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Method and apparatus for depositing multiple lines on an object, specifically contact and busbar metallization lines on a solar cell. The contact lines are preferably less than 100 microns wide, and all contact lines are preferably deposited in a single pass of the deposition head. There can be multiple rows of nozzles on the deposition head. Multiple materials can be deposited, on top of one another, forming layered structures on the object. Each layer can be less than five microns thick. Alignment of such layers is preferably accomplished without having to deposit oversized alignment features. Multiple atomizers can be used to deposit the multiple materials. The busbar apparatus preferably has multiple nozzles, each of which is sufficiently wide to deposit a busbar in a single pass.
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