| 摘要 |
PROBLEM TO BE SOLVED: To provide a printing substrate sheet that allows simultaneous use of two or more cards, in an electronic money card, IC card and ID card that are mutually used with a single sheet with a printing face, that prevents skimming or malfunction of electromagnetic waves, and that can use the two or more cards as a single card as well as storing as a single sheet without using an adhesive cellophane tape or an adhesive such as a glue on the card face. SOLUTION: In the sheet having both printing faces and comprising an aluminum foil, aluminum sheet, aluminum metal or aluminum contained resin; an adsorption layer for integrating a card and a sheet is only provided in the inside and the outside of a magnetic shield range on both sides of this printing face. COPYRIGHT: (C)2009,JPO&INPIT |
