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US 6,310,432 B1Granted
Surface treatment process used in growing a carbon film
AssigneeSI Diamond Technology, Inc.
InventorsZhidan Li Tolt, Zvi Yaniv, Richard Lee Fink
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Abstract
A film (carbon and/or diamond) for a field emitter device, which may be utilized within a computer display, is produced by a process utilizing treatment of a substrate and then depositing the film. The treatment step creates nucleation and growth sites on the substrate for the film deposition process and promotes election emission of the deposited film. With this process, a patterned emission can be achieved without post-deposition processing of the film. A field emitter device can be manufactured with such a film.
Claims3
A field emitter device comprising:
- a substrate wherein portions of the substrate's surface have been treated to change the surface's morphology;
- a carbon film deposited on said substrate, wherein said carbon film deposited on said treated substrate portions is a better field emitter than carbon film deposited on untreated portions of said substrate, wherein said carbon film deposited on said treated portions of said substrate emits substantially more electrons when subject to a specified electric field than said carbon film on said untreated substrate portions.
Dependencies are inferred from the claim text.