Hydrophilic coating including DLC
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United States of America Patent
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Jul 15, 2003
Grant Date -
Jan 3, 2002
app pub date -
Jul 6, 2001
filing date -
May 3, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A substrate is coated with a hydrophilic layer(s) or coating(s) that includes, for example, amorphous carbon in a form of diamond-like carbon (DLC). In certain embodiments, the DLC inclusive layer may be doped with at least one polar inducing dopant (e.g., Boron, Nitrogen, and/or any other suitable polar inducing dopant) in order to make the layer more polar and thus more hydrophilic so as to have a lower contact angle .theta. (e.g., no greater than about 10 degrees in certain embodiments, and more preferably no greater than about 8 degrees).
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