Ionographic printing with improved ion source

Details Ionographic printing with improved ion source Ionographic printing with improved ion source

1995-10-02

1997-08-05

Brase, Sandra L.

Electrophotography

Image formation

Ion modulation

347123, G03G 1505

Patent

active

056551843

ABSTRACT:
An ionographic printer bar directs a stream of ions from an integral ion source having a planar surface for emitting ions to a charge receptor to create an electrostatic latent image thereon. The ion stream passes through an aperture having associated therewith a focusing pinch electrode for narrowing the ion stream to a preselected width, displacing electrodes for positioning the narrowed ion stream within the aperture, and focus electrodes. The integral ion source is placed in propinquity in relation to the ionographic printer bar. The planar design of ion source allows reduce size of the ionographic printer bar because no support frame is needed and allow increase robustness of the ionographic printer bar which makes it easy to install in a machine and easy to clean.

REFERENCES:
patent: 4435066 (1984-03-01), Tarumi et al.
patent: 4763141 (1988-08-01), Gundlach et al.
patent: 4839670 (1989-06-01), Snelling
patent: 4875062 (1989-10-01), Rakov
patent: 5153435 (1992-10-01), Greene
patent: 5206670 (1993-04-01), Nishikawa
patent: 5257045 (1993-10-01), Bergen et al.
patent: 5450103 (1995-09-01), Kubelik
patent: 5450115 (1995-09-01), Bergen et al.

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