Laminated film

Details Laminated film Laminated film

2004-10-14

2010-12-14

Nordmeyer, Patricia L. (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S213000, C428S421000, C428S480000, C428S446000, C428S483000, C428S498000, C428S216000

Reexamination Certificate

active

07851050

ABSTRACT:
An object of the invention is to provide a laminated film which hardly gives transmission loss based on reflection or scattering, is excellent in heat resistance and humidity resistance, and has an arbitrarily-controlled refractive index distribution. Accordingly, the invention is a laminated film comprising 5 or more laminated resin layers; the thickness of each of the resin layers being from 1 to 100 nm; and the film having a layer structure wherein the thicknesses of resin layers having the same composition A, out of the resin layers, increase or decrease from the side of a surface of the laminated film toward the side of the other surface opposite thereto.

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