Drive transistor for an ink jet printhead

Details Drive transistor for an ink jet printhead Drive transistor for an ink jet printhead

1997-10-17

2000-08-15

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

257339, B41J 205, H01L 2976

Patent

active

061025283

ABSTRACT:
A drive transistor for a high resolution ink jet printhead having a pocket implant in the gate region of the device. The pocket implant enables a reduced source to drain spacing without loss of breakdown voltage. Accordingly, the size of the transistor may be reduced. Alternatively, this device is suitable for addressing 1200 spi resolution printheads. In one embodiment, the pocket implant extends about 1 .mu.m beyond the gate region towards the drain region. Both embodiments produce a graded drift region.

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Silicon Processing for the VLSI Era, Stanley Wolf, Ph.D., vol. 3, pp. 232-245, 1995.

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