Applied Nanotech Receives Landmark Raman Spectrum Patents in Japan
Patented Technology Can Be Integrated into Electronics, X-Ray Equipment, Lighting Devices, LCD Backlights, and Field Emission Displays
Austin, TX - September 1, 2011 - Applied Nanotech Holdings, Inc. (OTCBB: APNT) is pleased to announce that it received notification that its U.S. Patent No. 5,869,922, originally issued in the U.S. in 1999, claiming specific Raman spectrum signatures for all carbon films that have superior electron emission properties, has been issued in Japan (Japanese Patents No. 4786471 and No. 4786031). In addition to the U.S., this patent was previously issued in other areas of the world, including China, Korea, and Europe.
What is claimed is:
1. A field emission device comprising a layer of carbon film on a substrate, wherein the carbon film has a UV Raman band in the range from 1578 cm.sup.-1 to 1620 cm.sup.-1, wherein the UV Raman band has a full width at half maximum ("FWHM") from 25 cm.sup.-1 to 165 cm.sup.-1.
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