Field emission microcathode array and printer including the arra

Details Field emission microcathode array and printer including the arra Field emission microcathode array and printer including the arra

1992-02-03

1996-02-06

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347122, 347129, 347141, 3151691, 3151693, B41J 2435, G09G 310

Patent

active

054899338

ABSTRACT:
In a field emission microcathode array, a plurality of cones are arranged in a plurality of blocks, each of plural cones, on the main surface of a substrate, each cone having a sharp tip. A plurality of gate electrode portions respectively correspond to the blocks, each portion having a plurality of openings therein corresponding to the plurality of cones of the respective block, each opening being aligned with and disposed in surrounding relationship relative to the corresponding tip of the respectively associated cone. A plurality of lead electrodes, each configured as a fuse, are respectively connected to the plurality of gate electrode portions and each lead electrode provides an independent connection of the respective gate electrode portion to the common power source. In another embodiment, each gate electrode portion and wiring films connected thereto have respectively high and low resistances. In a further embodiment, each gate electrode portion includes openings of different sizes surrounding tips of the cones.

REFERENCES:
patent: 4835438 (1989-05-01), Baptist et al.
patent: 4908539 (1990-03-01), Meyer
patent: 5166709 (1992-11-01), Kubelik
Patent Abstracts of Japan, Unexamined Applications, E-field, vol. 12, No. 268, Jun. 27, 1988, The Patent Office Japanese Government, p. 77 E 638.

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