Barrier film

Details Barrier film Barrier film

2007-07-26

2010-12-28

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S213000, C428S218000, C428S411100, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

07858171

ABSTRACT:
The main object of the present invention is to provide a barrier film having an extremely high barrier property and a good transparency, a laminated material using the above-mentioned barrier film, a packaging container, and an image display medium.The above-mentioned object is achieved by providing a barrier film comprising a base material film and a barrier layer deposited on at least one side surface of the base material film, wherein the barrier layer comprises a water repellent layer and a dense layer, the water repellent layer is a silicon oxide carbide film having the atomic percent of Si:O:C in a range of 100:40 to 120:80 to 160, and the thickness in a range of 2 to 300 nm, and the dense layer is a silicon oxide carbide film having the atomic percent of Si:O:C in a range of 100:100 to 200:5 to 100, and the thickness in a range of 5 to 300 nm.

REFERENCES:
patent: 5641559 (1997-06-01), Namiki
patent: 5888593 (1999-03-01), Petrmichl et al.
patent: 08-164595 (1996-06-01), None
patent: 11-309815 (1999-11-01), None
patent: 2000-127287 (2000-05-01), None
patent: 2002-361774 (2002-12-01), None

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