1
Donald J Drake, William G Hawkins, Stephen F Pond, Michael R Campanelli, Pamela J Hartman, Raymond E Bailey: Thermal ink jet printhead fabricating process. Xerox Corporation, Robert A Chittum, December 6, 1988: US04789425 (90 worldwide citation)

A thermal ink jet printhead of the type which expels droplets on demand towards a recording medium from nozzles located above and generally parallel with the bubble generating heating elements contained therein is disclosed, together with fabrication processes therefor. The droplets are propelled al ...


2
William G Hawkins, Cathie J Burke, Daniel O Roll, Pamela J Hartman, Diane Atkinson: Ink jet printhead having ionic passivation of electrical circuitry. Xerox Corporation, Robert A Chittum, April 23, 1991: US05010355 (37 worldwide citation)

An improved ink jet printhead is disclosed of the type having a plurality of parallel ink flow channels which terminate with an ink droplet emitting nozzle, a heating element with a cavitational protective layer thereover located in each channel, and MOS electronic circuitry monolithically integrate ...


3
Pamela J Hartman: Reserve ink supply in thermal ink jet cartridge ink tanks. Xerox Corporation, Perman & Green, May 6, 2003: US06557988 (4 worldwide citation)

A system for supplying a liquid material to an ink jet printing apparatus including a plurality of printheads is disclosed. The system includes a housing defining a first chamber and a second chamber, the second chamber including a ventilation port and being adapted to store a supply of liquid ink t ...


4
Pamela J Hartman: Reserve ink supply in thermal ink jet cartridge ink tanks. Xerox Corporation, Melvin J Scolnick Esq, Perman & Green, May 8, 2003: US20030085966-A1

A system for supplying a liquid material to an ink jet printing apparatus including a plurality of printheads is disclosed. The system includes a housing defining a first chamber and a second chamber, the first chamber including a ventilation part and being adapted to store a supply of liquid ink th ...