TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Oxide: The inorganic oxide is soda glass, alkali free glass, silica, titanium dioxide, antimony oxide, titanium, aluminum, zirconia and/or tungsten oxide.Preferred Property: The average particle diameter of the inorganic oxide is 10 nm-50 microns.    TECHNOLOGY FOCUS - POLYMERS - Preferred Resin: The epoxy resin contains epoxy resin having terpene type structure (9-70 wt.%) of formula (1) and further cycloaliphatic epoxy resin.n=0-5 (degree of polymerization).Preferred Sheet: The resin sheet contains uniformly distributed inorganic oxide (3-50 wt.%) with respect to total epoxy resin content. The resin sheet further has hard coat layer containing urethane resin and gas barrier layer.Preferred Properties: The coefficient of linear expansion at 25-160 degrees C, glass transition temperature, light transmittance and fracture intensity of the resin sheet is less than 5x10-5/ degrees C, 170 degrees C or more, 88% or more and more than 20 N, respectively. EXAMPLE - Terpene novolak type epoxy resin of formula (1) (in weight parts) (26.6), 3,4-epoxy cyclohexyl methyl-3,4-epoxy cyclohexane carboxylate (26.6), methyl hexa hydrophthalic anhydride (48.5) and tetra-n-butyl phosphonium o,o-diethyl phosphoro dithioate (1) were stirred and mixed to obtain an epoxy resin liquid. The resin liquid (840) was mixed with glass beads (with specific gravity of 2.5 and average particle diameter of 30 microns) (340) to obtain inorganic oxide-containing epoxy resin liquid (A). Urethane acrylate was suspended to toluene to obtain a urethane acrylate solution. The urethane acrylate solution was applied on endless belt surface, dried and hardened to obtain a hard coat layer having thickness of 2 microns. A 5.5 wt.% polyvinyl alcohol aqueous solution was applied on the hard coat layer and dried to form gas barrier layer of 3.7 microns thickness. The epoxy resin liquid (A) was applied on gas barrier layer, dried and cured at 200 degrees C for 60 minutes to form an epoxy resin layer of 400 microns thickness. A laminate having epoxy resin layer, hard coat layer and gas barrier layer was obtained. The laminate was peeled from the endless belt and left on glass plate at 180 degrees C for 0.5 hours in oxygen atmosphere, to obtain a resin sheet. The resin sheet had glass transition temperature of 213 degrees C, light transmittance of 89%, coefficient of linear expansion of 4x10-5, and fracture strength of 37 N.    n=1.3.