Method of making a field emission device anode plate having an i

Details Method of making a field emission device anode plate having an i Method of making a field emission device anode plate having an i

1995-06-07

1996-05-28

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 41, H01J 9227

Patent

active

055205631

ABSTRACT:
An anode plate 40 for use in a field emission flat panel display device comprises a transparent planar substrate 42 having a plurality of electrically conductive, parallel stripes 46 comprising the anode electrode of the device, which are covered by phosphors 48.sub.R, 48.sub.G and 48.sub.B, and a gettering material 52 in the interstices of the stripes 46. The gettering material 52 is preferably selected from among zirconium-vanadium-iron and barium. The getter 52 may be thermally reactivated by passing a current through it at selected times, or by electron bombardment from microtips on the emitter substrate. The getter 52 may be formed on a substantially opaque, electrically insulating material 50 affixed to substrate 42 in the spaces formed between conductors 46, which acts as a barrier to the passage of ambient light into and out of the device. Methods of fabricating the getter stripes 52 on the anode plate 40 are disclosed.

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