Field emitter structure and fabrication process

Details Field emitter structure and fabrication process Field emitter structure and fabrication process

1989-12-26

1991-08-06

Ramsey, Kenneth J.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

H01J 902, H01J 102

Patent

active

050380702

ABSTRACT:
A plurality of field emitters in the form of hollow, upstanding pointed cones or pyramids formed by a molding process extend from a surface of an electrically conductive layer. An electrically conductive mesh is adhered to an opposite surface of the conductive layer by a high temperature brazing process in electrical connection with the conductive layer. The mesh provides a strong metal base with good thermal conductivity for mounting. Additional elements such as a gate and anode structure may be formed on the conductive layer in alignment with the field emitters to form a field emitting triode array or the like.

REFERENCES:
patent: 4008412 (1977-02-01), Yuito et al.
patent: 4020381 (1977-04-01), Oess et al.
patent: 4307507 (1981-12-01), Gray et al.
patent: 4529836 (1985-07-01), Powers et al.
Busta et al, Extended Abstracts, vol. 86, No. 1, May 1986, H. H. Busta et al., "Micromachined Tungsten Field Emitters"; pp. 403-404.

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