Multiple pass aqueous MICR inkjet ink printing

Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means

Reexamination Certificate

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Details

C106S031650, C106S031670, C106S031660

Reexamination Certificate

active

10878861

ABSTRACT:
The invention relates to a multiple pass printing process for generating MICR-readable indicia using a MICR ink-jet ink composition with a magnetic pigment loading less than that needed to generate the nominal signal level according to the ANSI standard with single pass printing, and to a printed substrate, prepared by the process, which bears MICR-readable indicia having at least two layers of the MICR ink-jet ink composition and which demonstrates a MICR signal level of greater than or equal to the nominal signal value according to the ANSI standard.

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patent: 2002/0022120 (2002-02-01), Katsuki et al.
patent: 2003/0180647 (2003-09-01), Patel et al.
patent: 2005/0095016 (2005-05-01), Simpson et al.

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