Keyboard with anti-bacteria surface
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United States of America Patent
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Issued Date -
Nov 15, 2007
app pub date -
May 11, 2006
filing date -
May 11, 2006
priority date (Note) -
Abandoned
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Abstract
A keyboard (or keypad) includes a top surface formed with a transparent anti-bacteria layer of titanium crystals which is formed by coating a titanium dioxide (TiO.sub.2) on the top surface in a nano process at a very low temperature whereby exposing the top surface to light rays will kill bacteria or viruses grown or adhered on the top surface through a photoactinic effect. Preferably, the titanium crystal has a diameter of about 20 nm.
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