FILM WITH MAGNETIC CODE, FILM WITH MAGNETIC CODE HAVING LIGHT DIFFRACTING STRUCTURE, SHEET HAVING THE FILMS AND METHOD FOR MANUFACTURING THESE

摘要

PROBLEM TO BE SOLVED: To provide a reflection layer having a magnetic code which can not be copied though the layer is visible and having sufficient reflectivity and to provide a light diffracting structure film obtained by applying a reflection layer to the light diffracting structure, etc., or a sheet, such as a card having light diffracting structure obtained by adhering the light diffracting structure film to a body to be adhered. SOLUTION: A film 1 with magnetic code consists of a laminated structure obtained by successively laminating a transparent base material film 2, a protective layer 7, a light diffracting structure layer 8, a pattern layer consisting of the code pattern 3p of a magnetic metallic film and the non-coding pattern 4p of a high reflective metal film, a projecting pattern 5 on the lower face of the pattern 4p, a magnetic metal layer 3 for continuously covering the lower faces of the layer 8 and the pattern 5 (partially forming the pattern 3p) and an adhesive layer 6.