METHOD AND APPARATUS FOR COMPACTING A CIGS THIN FILM IN A NON-VACUUM ENVIRONMENT
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Apr 16, 2010
filing date -
Apr 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and an apparatus for compacting a CIGS thin film in a non-vacuum environment are provided. According to the present invention, a substrate having a CIGS light absorbing layer configured thereon is processed with a soft baking process. Then, a pneumatic cylinder is employed for providing a pressure for driving a roller which is fixed to a holder. The holder is connected to the pneumatic cylinder. The roller is driven to downwardly apply a pressing force onto the CIGS light absorbing layer. The substrate is then moved back and forth to compact the CIGS light absorbing layer uniformly.
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