A
Abdul M. ElHatem
Researcher at Xerox
Publications - 19
Citations - 364
Abdul M. ElHatem is an academic researcher from Xerox. The author has contributed to research in topics: High voltage & Low voltage. The author has an hindex of 9, co-authored 19 publications receiving 364 citations.
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Patent
Thermal ink jet printhead with reduced power bus voltage drop differential
TL;DR: In this paper, an inkjet printhead addressing and firing design which minimizes voltage drop differential occurring on a power bus which supplies power to fire individual ink jets due to current loads needed to fire the individual jet is presented.
Patent
On chip heater element and temperature sensor
TL;DR: In this article, a bubblejet device has integrated into it a number of heater resistors and a temperature sensor which operate in conjunction with a temperature regulating circuit to heat the chip to its optimum operating temperature within seconds of turn-on, and thereafter maintain that temperature regardless of local temperature variations.
Patent
On chip conductive fluid sensing circuit
TL;DR: In this paper, the ink in an ink jet is sensed by a capacitor, one plate of which is coupled to ground through the ink, and the absence of ink will appear as a decreased amount of capacitance.
Patent
Particulate marking material transport apparatus utilizing traveling electrostatic waves
Tuan Anh Vo,Dan A Hayes,Eric Peeters,Abdul M. ElHatem,Kaiser H. Wong,Joel A. Kubby,Jaan Noolandi +6 more
TL;DR: In this article, an electrostatic traveling wave was generated across the electrodes to sequentially attract particles of marking material, and thereby transport them to a desired location, and the electrodes may be integrally formed with driving circuitry, and may be staggered to minimize or eliminate cross-talk.
Patent
Thermal ink jet power MOS device design/layout
TL;DR: In this article, the gate is laid out to have a lateral serpentine pattern rather than a vertical snake pattern to create a larger gate in order to improve the current drive capability, and the contacts for the drain and the source are removed from the gate layout area.