发明名称 Tastenfolie
摘要 A key sheet comprising a resin film (1) wherein a mirror-like evaporation deposit layer (4) is provided on a part or all of the back thereof, and further a coloured layer (5) is provided at the back of the evaporation deposit layer (4), said resin film being integrated with the top face side of a button (3) made of resin, allowing a key sheet to be obtained having all colour metallic tones at a low cost, by making the optical concentration of the laminated portion of the resin film (1) and the evaporation deposit layer (4) from 0.35 to 0.85. <IMAGE>
申请公布号 DE60111660(D1) 申请公布日期 2005.08.04
申请号 DE2001611660 申请日期 2001.01.26
申请人 POLYMATECH CO. LTD., TOKIO/TOKYO 发明人 KATORI, MASAYA;KASHINO, MASAYUKI
分类号 H01H13/70;G09F9/00;H01H11/00;H01H13/14;H01H13/702;(IPC1-7):H01H13/70 主分类号 H01H13/70
代理机构 代理人
主权项
地址