METHOD OF FABRICATING A GLASS WITH CAPACITIVE TOUCH KEYS FOR AN ELECTRONIC INSTRUMENT AND INSTRUMENT COMPRISING THE SAME
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United States of America Patent
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Issued Date -
Jan 13, 2011
app pub date -
Jul 12, 2010
filing date -
Jul 10, 2009
priority date (Note) -
Abandoned
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Abstract
The method is for fabricating a transparent or semi-transparent element, such as a glass (1), with capacitive touch keys, for a portable electronic instrument. This method includes the steps of placing an insulating film (3), on which are formed electrodes (2), acting as capacitive touch keys, conductive paths (4), each connected to a respective electrode, and external contact terminals (6), each connected via the conductive paths to the corresponding electrodes, in a transparent or semi-transparent plastic substance (5) in liquid form inside a mould. This liquid substance is then solidified inside the mould, to coat at least part of the film that includes the electrodes, the conductive paths and at least part of the external contact terminals of said film. Upon removal from the mould, a glass is obtained with capacitive touch keys integrated within said solidified plastic substance of the glass.
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