发明名称 OPTICAL CARD MEDIUM WITH PROTECTIVE FILM
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.
申请公布号 JPS63308742(A) 申请公布日期 1988.12.16
申请号 JP19870144117 申请日期 1987.06.11
申请人 CANON INC 发明人 HIRAOKA MITSUO
分类号 G11B7/24;B42D15/02;B42D15/10;G06K19/00;G06K19/06 主分类号 G11B7/24
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