Marking array having improved corrosion resistance

Details Marking array having improved corrosion resistance Marking array having improved corrosion resistance

1987-04-24

1988-02-23

Evans, Arthur G.

Recorders

Electric recording

Electrochemical

346155, G01D 1500

Patent

active

047273887

ABSTRACT:
An improved modulation structure for the marking head of an ionographic marking aparatus for increasing the effective lifetime of the modulation electrodes in the highly corrosive atmosphere of such a device. A relative bias on the order of about 10% of the ion output cut-off bias is imposed across the ion modulation region in order to inhibit the deterioration effects of the ions on the modulation electrodes.

REFERENCES:
patent: 4584592 (1986-04-01), Tuan et al.
patent: 4646163 (1987-02-01), Tuan et al.

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