Barrier film

Details Barrier film Barrier film

2007-10-30

2007-10-30

Dye, Rena (Department: 1774)

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

10774709

ABSTRACT:
A barrier film is provided having extremely high barrier properties and a good transparency as part of a laminated material having use as a packaging container which may possess an image display medium, the high barrier properties and good transparency which are achieved with a barrier film comprised of a base material film and a barrier layer deposited on at least one side surface of the base material film, with the barrier layer comprising a water repellent layer and a dense layer, the water repellent layer being 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 being 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: 5888593 (1999-03-01), Petrmichl et al.
patent: 08-164595 (1996-06-01), None

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