发明名称 Key sheet
摘要 A key sheet comprising a key top, a translucent resin film, and a symbol layer. The key top is made of resin and has a top surface and a rear surface. The key top includes a gate corresponding section in a position corresponded to a gate of a mold for injecting resin to form the key top. The translucent resin film is provided over the key top. The symbol layer is disposed to associate with the top surface of the key top. The gate corresponding section is located to prevent that gate corresponding section from being viewed through the symbol layer.
申请公布号 US6967056(B2) 申请公布日期 2005.11.22
申请号 US20020303338 申请日期 2002.11.25
申请人 POLYMATECH CO., LTD. 发明人 KASHINO MASAYUKI
分类号 H01H13/14;H01H13/70;(IPC1-7):B32B3/00 主分类号 H01H13/14
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