Clearing silicate kogation

Details Clearing silicate kogation Clearing silicate kogation

2005-08-23

2009-06-09

Pham, Hai C (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S062000

Reexamination Certificate

active

07543908

ABSTRACT:
Systems, methodologies, media, and other embodiments associated with clearing silicate based kogation from heating resistors employed in ink jet printing are described. One exemplary system embodiment includes a silicate kogation clearing logic configured to pulse the heating resistor at a high frequency and low pulse width to heat the resistor surface to a temperature below that required to form an ink bubble and thus below that required to eject a drop of ink. Heating the resistor facilitates breaking bonds between the silicate based kogation and the heating resistor.

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Morita, et al., NMD/PDS/Fuji Xerox Co., Long-Stable Jetting on Thermal Ink Jet Printers, Recent Progress in Ink Jet Tech. II, 1999, IS&T, Chapter 2, Thermal Ink Jet, pp. 39-42.

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