| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated material A used for an input key button part of an information terminal equipment such as a mobile telephone, in which the printed ink layer such as pictures and letters provided on the film substrate is not melted and fluidized by the resin at the injection molding after a drawing process, and a crack phenomenon due to elongation of the printed ink layer is not generated by the drawing process and injection molding, and furthermore the production time can be short with good quality and low cost, and a sheet key using the same. SOLUTION: This is the laminated material A in which a film substrate 1, a printed ink layer 2, an adhesive layer 3, and a protection layer 4 are laminated in this order from the surface side in the laminated material A which is used for the input key button part of the information terminal equipment such as mobile phones. COPYRIGHT: (C)2005,JPO&NCIPI
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