Field emission cathode plate and method for fabricating the same
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United States of America Patent
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Issued Date -
May 20, 2010
app pub date -
Apr 23, 2009
filing date -
Nov 14, 2008
priority date (Note) -
Abandoned
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Abstract
A field emission cathode plate is disclosed, which includes: a substrate; a cathode layer, disposed on the substrate; a conductive layer with an arc surface or a resistor layer with an opening and resistivity larger than that of the cathode layer, disposed on the cathode layer; and a cambered field emission layer, having an arc surface and disposed on the conductive layer or on the cathode layer in the opening of the resistor layer and covering the resistor layer around the opening. The present invention also provides a method for fabricating the above-mentioned field emission cathode plate. The method can provide field emission cathode plate achieving uniform field emission and does not involve high resolution and cost.
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