Hollow cathodes with an I-beam or C-beam cross section for a pla

Details Hollow cathodes with an I-beam or C-beam cross section for a pla Hollow cathodes with an I-beam or C-beam cross section for a pla

1996-04-25

1999-04-27

Patel, Ashok

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313584, 313586, H01J 1749

Patent

active

058982710

ABSTRACT:
To improve performance, reliability and lifetime of a plasma-containing electro-optic display device, at least the cathode electrodes have hollows or wells within which plasma discharge occurs. This reduces the tendency of the electrode material to be sputter deposited on the walls of the device. In addition, cathode emission is improved by incorporating emitter materials into the electrodes, either by alloying or by surface coatings.

REFERENCES:
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patent: 4472659 (1984-09-01), Kamegaya et al.
patent: 4529909 (1985-07-01), Kamegaya et al.
patent: 4797593 (1989-01-01), Saito et al.
patent: 5073743 (1991-12-01), Kajiwara et al.
patent: 5349455 (1994-09-01), Hayashi et al.
patent: 5440201 (1995-08-01), Martin et al.
patent: 5557168 (1996-09-01), Nakajima et al.

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