Method for forming a bipolar integrated ink jet printhead driver

Details Method for forming a bipolar integrated ink jet printhead driver Method for forming a bipolar integrated ink jet printhead driver

1996-10-10

1997-10-28

Nguyen, Tuan H.

Fishing, trapping, and vermin destroying

437 34, 437 51, 437 60, H01L 21265

Patent

active

056817649

ABSTRACT:
A bipolar ink jet driver circuit includes a plurality of individual driver cells having a common collector and a resistive heater element. A common collector obviates the need for any isolation between adjacent driver cells. The driver cells each include two bipolar transistors configured as a Darlington pair, which drive an associated resistive heater element. The cells are grouped together to form individual driver circuits each having a control line for enabling each driver circuit. The cells within each driver circuit are individually addressable via address lines which are coupled to each of the driver elements. The resistive heater elements are actuated by enabling a driver circuit and addressing a driver cell within the enabled driver circuit.

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"Microelectronic Circuits", By: Adel S. Sedra & Kenneth C. Smith, 1991, Saunders College Publishing, p. 215 and p.1023.

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