Field-emission type switching device

Details Field-emission type switching device Field-emission type switching device

1993-01-06

1994-04-05

Yusko, Donald J.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 313351, H01J 116, H01J 1910

Patent

active

053008537

ABSTRACT:
A field-emission type switching device includes a substrate formed with a recess having a straight edge and serrated edge opposite to the straight edge. A gate electrode is formed at the bottom of the recess. An emitter electrode is provided over the substrate and formed with a serrated edge which is slightly off alignment with the serrate edge of the recess so as to provide an emitter overhanging portion overhanging the recess. Similarly, a collector electrode is provided over the substrate and formed with a straight edge which is slightly off alignment with the straight edge of the recess so as to provide a collector overhanging portion overhanging the recess. The emitter and collector electrodes are disposed in one plane and the gate electrode is disposed in another plane below the one plane.

REFERENCES:
patent: 4370797 (1983-02-01), van Gorkom et al.
patent: 4827177 (1989-05-01), Lee et al.
patent: 4855636 (1989-08-01), Busta et al.

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