Ion generator for ionographic print heads

Details Ion generator for ionographic print heads Ion generator for ionographic print heads

1997-01-06

2000-05-09

Le, N.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347125, 347126, 347137, B41J 2415

Patent

active

060610743

ABSTRACT:
An ion generator for the generation of a plasma is assembled from module subassemblies. The first subassembly includes a dielectric plate 1, on the first surface 1a of which are located a large number of first electrodes 3, and the second surface 1b of which is coated with a structured conductive layer 2. The second subassembly includes an aperatured spacer plate with a large number of dielectric spacers with a second electrode 5 on the side facing away from the dielectric plate 1. In joining the subassemblies together, the aperatured spacer plate is connected to the dielectric plate 1 at its first surface 1a in such a way that cavities 6 for accommodating plasma are formed by the first electrodes 3, parts of the first surface 1a of the dielectric plate 1 and the spacers 4 with the second electrodes 5. The first set of electrodes 3 shield the points where the subassemblies are bonded together from plasma in the cavities.

REFERENCES:
patent: 4628227 (1986-12-01), Briere
patent: 4745421 (1988-05-01), McCallum et al.
patent: 4890123 (1989-12-01), McCallum et al.
patent: 4891656 (1990-01-01), Kubelik
patent: 4958172 (1990-09-01), McCallum et al.
patent: 5030975 (1991-07-01), McCallum et al.
patent: 5159358 (1992-10-01), Kubelik

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