LAMINATED MATERIAL FOR METAL KEY-SHEET, METAL KEY-SHEET, AND METAL KEYPAD
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United States of America Patent
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Issued Date -
Jan 14, 2010
app pub date -
May 14, 2007
filing date -
May 15, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides a laminated material for metal key-sheet to be used for input button portion of information terminal devices, the laminated material for metal key-sheet including: at least a transparent resin sheet and a metal plate, wherein cut-out letters and so on are formed in the laminated material by etching. The present invention also provides a metal key-sheet in which cut-out letters with a lot of flexibility of design can be formed, and a metal keypad which can be produced by simple methods.
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