Barrier film having high colorless transparency and method
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United States of America Patent
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Aug 11, 1998
Issued Date -
N/A
app pub date -
Apr 28, 1995
filing date -
Oct 24, 1989
priority date (Note) -
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Abstract
Barrier film with a high colorless transparency comprising a flexible plastic substrate. A barrier layer is formed on the surface and has a thickness ranging from approximately 50 to 100 Angstroms and is formed of a material selected from the group of aluminum oxide, tin oxide and yttrium oxide. An additional barrier layer formed of silicon dioxide may also be formed on the barrier layer.
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