Illuminated keypad key and method of manufacture thereof
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United States of America Patent
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Jul 4, 2000
Grant Date -
N/A
app pub date -
Jan 14, 1998
filing date -
Feb 18, 1997
priority date (Note) -
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Abstract
An illuminated keypad key and method of manufacture thereof, having a light-permeable resin key top, a film having a pattern formed in one side thereof, the film being fixed to the upper and side surfaces of the transparent resin key top, cutting away portions of the film that extend beyond the lower periphery of the key top, and upper surface of a key operating portion made from transparent rubber or thermoplastic elastomer, being fixed to the underside surface of the key top by means of a transparent adhesive. The above mentioned film has a thickness of 100 mm-200 mm.
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