Field emission print head

Details Field emission print head Field emission print head

1996-06-07

1998-06-02

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

B41J 2415

Patent

active

057608105

ABSTRACT:
Odd-order patch-like gate electrodes are, by gate lead lines, connected to a first electrode, even-order patch-like gate electrodes are, by gate lead lines, connected to a second gate electrode. The first and second gate electrodes are selectively and alternately operated. By making the potential of gate electrodes, which are not being selected, to be a low level, the patch-like gate electrodes, which are being operated, can be surrounded by low-level conductors. Thus, electrons emitted from the patch-like gate electrodes can be converged.

REFERENCES:
patent: 5402157 (1995-03-01), Nagato et al.

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