CARBON FIBER
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United States of America Patent
Stats
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Dec 29, 2009
Grant Date -
Jan 7, 2010
app pub date -
Jul 2, 2008
filing date -
Jul 2, 2008
priority date (Note) -
Granted
status (Latency Note)
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Abstract
or more and possessing, on the surface, striations oriented in a direction parallel to the fiber axis, wherein the distance between striations in a 2×2 μm area of the carbon fiber surface when observed by a scanning probe microscope is 0.1 to 0.3 μm, the root mean square surface roughness Rms (5 μm) in a 5×5 μm area of the carbon fiber surface when observed by a scanning probe microscope is 20 to 40 nm, and the root mean square surface roughness Rms (0.5 μm) when measured in a 0.5×0.5 μm area is 2 to 12 nm.
First Claim
Other Claims data not available
