▎ 摘　　要

NOVELTY - Adhesive film comprises acrylic resin in which nanoparticles are dispersed. USE - The adhesive film is useful in various devices i.e. portable electronic devices. ADVANTAGE - The adhesive film: has excellent adhesion, mechanical strength, and flexibility; has improved strength and rigidity due to addition of nanoparticles; has excellent bonding strength and has improved tensile strength and peel strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for sandwich structure comprising a first adhesive resin layer including the acrylic resin, a nanoparticle layer formed on the first adhesive resin layer and the acrylic resin and nanoparticles, and a second adhesive resin layer formed on the nanoparticle layer and including the acrylic resin.