摘要 |
PURPOSE:To prevent flawing of an optical card medium at the time of transportation or initialization printing by coating the optical card medium with protective films. CONSTITUTION:The transparent substrate side of the optical card medium 1 is coated with the protective film 2 of polyethylene, etc., by a self-adhesive agent or adsorption and the protective substrate side is coated with the protective film 3, except the initial printing part 4, in the same manner. The flawing of the optical card medium which is protected by these coatings is prevented at the time of the transportation or initial printing. |