Planarizing process for field emitter displays and other electro

Electric lamp or space discharge component or device manufacturi – Process – Electrode making

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H01J 902

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active

056881584

ABSTRACT:
A planarization method for use during manufacture of a microelectronic field emitter device, comprising applying a glass frit slurry including glass particles in a removable base, and subsequently baking to liquify the frit. The invention relates in another aspect to a method of making a microelectronic field emitter device, comprising the steps of: applying a patterned layer of liftoff profile resist over a substrate to define emitter conductor locations; employing the patterned resist layer to form trenches in the substrate at the emitter conductor locations; depositing emitter conductor metal in the trenches and over the patterned resist layer; removing the patterned resist layer; depositing a current limiter layer over the conductors and substrate areas between trenches; depositing a layer of emitter material; pattern masking and etching the layer of emitter material to form emitter structures; depositing gate dielectric; applying a patterned layer of liftoff profile resist over the gate dielectric; evaporating gate metal; and removing the patterned resist layer to define gate electrodes.

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