Patterned granulized catalyst layer suitable for electron-emitting device, and associated fabrication method
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United States of America Patent
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Issued Date -
Feb 26, 2004
app pub date -
Aug 22, 2002
filing date -
Aug 22, 2002
priority date (Note) -
Abandoned
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Abstract
An electron-emitting device contains a vertical emitter electrode patterned into multiple laterally separated sections situated between the electron-emissive elements, on one hand, and a substrate, on the other hand. The electron-emissive elements comprising carbon nanotubes are grown at a temperature range of 200.degree. C. to 600.degree. C. compatible with the thermal stress of the underlying substrate. The electron-emissive elements are grown on a granulized catalyst layer that provides a large surface area for growing the electron-emissive elements at such low temperature ranges.
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