Barrier film having high colorless transparency and method

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

C23C 14/08 (2006.01) B05D 7/04 (2006.01) B32B 27/06 (2006.01) C08J 7/06 (2006.01) C23C 14/28 (2006.01) C23C 14/34 (2006.01)

Patent

CA 2044053

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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