Method for manufacturing cold cathode arrays

Etching a substrate: processes – Forming or treating an article whose final configuration has...

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216 39, 216 88, 445 50, H01J 902

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058955801

ABSTRACT:
A cold cathode emitter structure is described together with two methods for manufacturing it. These methods are cost effective and relatively simple to implement. A key feature is the incorporation of chemical-mechanical polishing into the process. This allows the micro-cones, that serve as cold cathodes, to be easily positioned so that their apexes are located at the correct height relative to the gate lines. A second important feature is that the openings in the gate lines through which the emitted electrons will pass are made to be significantly narrower than in conventional designs.

REFERENCES:
patent: 5458520 (1995-10-01), DeMercurio et al.
patent: 5461009 (1995-10-01), Huang et al.
patent: 5632664 (1997-05-01), Scoggan et al.

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