Patent ID: 7678448
Filing Date: 2010-03-16
Classification: B32B,C23C,Y10T

Abstract:
1. A gas barrier film comprising a base material, and an inorganic thin film comprising a silicon oxide film formed on one or both surfaces of the base material, wherein radical density of the Pb center of the silicon oxide film observed by an electron spin resonance method (ESR method) is from 1×10 16 to 1×10 19 spins/cm 3 , the thickness of the inorganic thin film is from 0.1 to 500 nm, and the inorganic thin film further comprises an inorganic substance selected from silicon, aluminum, magnesium, potassium, lithium, calcium, sodium, titanium, lead, and tin, or an oxide thereof, a carbide thereof or a nitride thereof.