Memjet Technology Limited

Zamtec Limited

Katja Johanna Digweed

Michele Gimona

Simon Fielder

Lakshmi Channarayapatna

Simone Fielder

Channarayapatna Lakshmi

An Inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.

Inkjet printer having printhead and ink for minimizing corrosion of exposed corrodible structures within printhead

An ink set for an inkjet printer. The ink set includes an aqueous first ink comprising a first colorant and absent any potassium ions; and an aqueous second ink comprising a second colorant and potassium ions. The second aqueous ink comprises an AI(III) additive in an amount greater than the first ink.

Ink set for reducing printhead corrosion

An inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.

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North Ryde, Australia

Katja Johanna Digweed