Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Reexamination Certificate
2007-05-29
2007-05-29
Santiago, Mariceli (Department: 2879)
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
C445S025000
Reexamination Certificate
active
10934593
ABSTRACT:
A method of fabricating a tetra-polar field-emission display, using a shadow mask to form an opening of a converging electrode, so as to improve converging effect of an electron beam propagating through the opening. An anode electrode structure and a cathode electrode structure are formed. The cathode electrode structure includes a first dielectric layer, a gate layer, a second dielectric layer and a converging layer on a substrate. The converging layer, the second dielectric layer, the gate layer and the first dielectric layer are patterned to form a window exposing the substrate. A cathode electrode layer is formed on the substrate exposed by the window. The converging layer is patterned into n converging electrode having a top surface, a bottom surface, and a pair of side surfaces. The side surfaces are so configured that the window is gradually reduced from the top surface towards a turning point between the top surface and the bottom surface, and then gradually enlarged from the turning point towards the bottom surface.
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Hines Anne M
Santiago Mariceli
TECO Nanotech Co., Ltd.
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