Liquid spraying cartridge containing a recording liquid...

Details Liquid spraying cartridge containing a recording liquid... Liquid spraying cartridge containing a recording liquid...

2008-02-07

2011-12-13

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S085000, C347S086000, C347S095000, C106S031600

Reexamination Certificate

active

08075125

ABSTRACT:
An ink containing a hydrophobic colloid charged with a positive zeta potential when the pH of the ink is within a range of over 4 and under 6. Silicon or silicon compound can be limited from being eluted into the ink from a circuit board formed from a silicon wafer or the like. Additionally, silicon or silicon compound, if eluted into the ink can be prevented from being deposited on a resistance heater and causing “cogation”, or to prevent the silicon or silicon compound from being deposited in an ink channel and nozzle to clog the nozzle.

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