Key top element, push button switch element and method for manufacturing same |
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| 申请号 | EP99306087.0 | 申请日 | 1999-07-30 | 公开(公告)号 | EP0977225A3 | 公开(公告)日 | 2000-10-18 |
| 申请人 | SHIN-ETSU POLYMER CO., LTD.; | 发明人 | Shimizu, Takao; Mieno, Satoshi; Nagasawa, Tsutomi; Shizukuda, Yoshinari; | ||||
| 摘要 | A key top element (20) capable of being manufactured while permitting a design of a display section thereof to be readily modified and corrected, accommodating a variety of data for design formation, and capable of exhibiting increased design properties. The key top element (20) includes a printed sheet (10) constituted by a substrate sheet member (2), an on-demand printed layer (4) and a white- or silver-colored layer (6), as well as transparent key top members (12) fixedly bonded to the printed sheet (10). The on-demand printed layer (4) is printed in the form of a symbol or the like on the substrate sheet member (2) using an on-demand printing machine. A push button switch element (40) is also disclosed which includes such a key top element (32) and a light-permeable rubber cover base (38) bonded to the key top element (32). | ||||||
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| 说明书全文 | |||||||
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