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TECHNIQUES FOR FABRICATING CONFORMAL IONOGRAPHIC NIBS

IP.com Disclosure Number: IPCOM000026061D
Original Publication Date: 1990-Feb-28
Included in the Prior Art Database: 2004-Apr-05
Document File: 2 page(s) / 126K

Publishing Venue

Xerox Disclosure Journal

Abstract

In one possible ionographic device, depicted in Figure 1, ions produced at a coronode 10 are directed through an exit channel 12 past a plurality of modulating nib electrodes 14 supported on an ion head substrate 16. When controlled between ON and OFF conditions, the nibs allow ions to pass through the gap. In combination with relative movement between a support substrate and the ion producing device, an image can be formed.

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XEROX DISCLOSURE JOURNAL

TECHNIQUES FOR FABRICATING Proposed Classification CONFORMAL IONOGRAPHIC NIBS US. C1.346
Frank C. Genovese Int. C1. Gold

16 14

FIG. 1

2

FIG. 2 FIG. 2A

FIG. 3

XEROX DISCLOSURE JOURNAL - Vol. 15, No. 1 January/February 1990 7

[This page contains 1 picture or other non-text object]

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TECHNIQUES FOR FABRICATING CONFORMAL IONOGRAPHIC NIBS( Cont'd)

In one possible ionographic device, depicted in Figure 1, ions produced at a coronode 10 are directed through an exit channel 12 past a plurality of modulating nib electrodes 14 supported on an ion head substrate 16. When controlled between ON and OFF conditions, the nibs allow ions to pass through the gap. In combination with relative movement between a support substrate and the ion producing device, an image can be formed.

If the nibs can be made to extend around the edge of the support substrate, as shown in Figure 1, certain advantages are noted. The ion generating coronode can be positioned directly over the exit channel, to yield a higher ion current because of improved field geometry. Ion output and modulation are improved, because the mechanical tolerance at the plasma gap can be more carefully controlled, if the nibs are formed on the edge of the glass rather than on the face. Potentially higher resolution is possible because, with the extension of the nibs into the gap, the control electronics may be placed on either side of the substrate (coronode side or output side), and the modulation nibs can be interdigitated if control structures can be placed on opposing sides of the substrate.

With reference to Figure 2, to form the nibs in the "around the co...