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Lexmark International, Inc.

Jamee Casteel Holiway

Robert Wilson Cornell

Brant Dennis Nystrom

Richard Lee Reel

Ann P Holloway

Xuan-Chao Huang

A method of selecting inks for use in imaging with an imaging apparatus includes determining a maximum usage of a diluted ink for use in conjunction with a saturated ink based on visual perception characteristics relating to a combination of the diluted ink and the saturated ink; generating an initial colorant space based on the maximum usage of the diluted ink, the initial colorant space expressing an initial usage of the diluted ink and an initial usage of the saturated ink at each point in the initial colorant space; optimizing the initial usage of the diluted ink and the initial usage of the saturated ink in the initial colorant space to generate a final usage of the diluted ink and a final usage of the saturated ink in a final colorant space; and generating a color conversion lookup table based on the final colorant space.

Method of selecting inks for use in imaging with an imaging apparatus

Aqueous inkjet inks having metal nanoparticles for printing of conductive patterns or for other reasons can be printed employing heat energy within the range of current printers. For optimum printing the energy delivered would be about 2.9&#xd7;10Joules/mor larger of volume of the heater stack, preferably not much larger so as to conserve energy. In embodiments the mole fraction of water in the ink would be greater than 0.9 computed with respect to only the liquid components of the ink and the ink would be heated by contact with the surface a heater heated to 1.5&#xd7;10or more watts/mof volume of the heater stack. Embodiments of a silver ink will have greater than 12% silver and up to 27% silver by weight of the weight of the ink; the ink may have a viscosity of less than 3 Pa-s at 22 degrees C., preferably is less than 2.7 mPa-s; the ink may have a mole fraction of water greater than 0.87, preferably greater than 0.9, this mole fraction being computed with respect to all of the components of the ink.

Thermal printing of silver ink

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Shelbyville, KY, United States of America

Jamee Casteel Holiway