Charging deposition control in electrographic thin film writting

Details Charging deposition control in electrographic thin film writting Charging deposition control in electrographic thin film writting

1987-07-17

1988-08-23

Evans, Arthur G.

Recorders

Electric recording

Electrochemical

3461531, G01D 1500

Patent

active

047664509

ABSTRACT:
An improved electrographic writing head having electrode nibs for forming discrete electrostatic charges on a recording medium moved in a plane in contact with the nib ends in the head wherein the improvement comprises the employment of an impedance formed in the electrode nibs at or in proximity to the nib ends to reduce the intercoupling capacitance effect between adjacently disposed nibs to prevent flaring from occurring on the deposition of charge from the nib ends. The impedance is in the range of several megohms, such as, 50-1000 megohms.

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patent: 4510178 (1985-04-01), Paulson et al.
patent: 4588997 (1986-05-01), Taun et al.

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