Field electron emission materials and devices

Details Field electron emission materials and devices Field electron emission materials and devices

H - Electricity

01

J

H01J 9/02 (2006.01)

Patent

CA 2411380

To create a field electron emission material, there is printed upon a substrate (1501) an ink (1503) comprising a major component of fluid vehicle; a first minor component of electrically insulating material, either on its own or provided within a precursor therefor; and a second minor component of electrically conductive particles (1504). The printed ink is then treated to expel the major component and create the field electron emission material from the minor components on the substrate. The electrically conductive particles may be omitted, to print a solid, electrically insulating layer in a field emission device.

L'invention concerne un procédé permettant de créer un matériau à émission d'électrons de champ, consistant en une encre (1503) imprimée sur un substrat (1501), laquelle encre contient comme composant majoritaire un excipient fluide; un premier composant minoritaire formé d'un matériau isolant, soit seul, soit contenu dans un précurseur de celui-ci; et un composant minoritaire formé de particules isolantes (1504). L'encre imprimée est ensuite traitée de manière à expulser le composant majoritaire et à former le matériau à émission d'électrons de champ à partir des composants minoritaires sur le substrat. Les particules isolantes peuvent être omises pour imprimer une couche isolante solide dans un dispositif à émission de champ.

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