Methods and manufacturing electron-emitting device, electron sou

Details Methods and manufacturing electron-emitting device, electron sou Methods and manufacturing electron-emitting device, electron sou

1995-09-27

1999-01-19

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

427 49, 313309, H01J 102, G03G 1532

Patent

active

058612270

ABSTRACT:
In a manufacture method of an electron-emitting device in which an electro-conductive film having an electron-emitting region is provided between electrodes disposed on a substrate, a step of forming the electron-emitting region comprises a step of forming a structural latent image in the electro-conductive film, and a step of developing the structural latent image. An electron source comprising a plurality of electron-emitting devices arrayed on a substrate, and an image-forming apparatus in combination of the electron source and an image-forming member are manufactured by using the electron-emitting devices manufactured by the above method. The position and shape of an electron-emitting region of each electron-emitting device can be controlled so as to achieve uniform device characteristics, resulting less variations in the amount of emitted electrons between the electron-emitting devices and in the brightness of pictures. Also, the need of flowing a great current for formation of the electron-emitting region is eliminated and hence the current capacity of wiring can be reduced.

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