Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1992-02-03
1993-06-15
Hartary, Joseph W.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
106 22R, 101488, 219216, 346 25, 346140R, B41J 205
Patent
active
052203468
ABSTRACT:
Disclosed is a printing process which comprises applying in imagewise fashion to a substrate an ink composition which comprises an aqueous liquid vehicle, a colorant, and an ionic compound at least partially ionizable in the liquid vehicle, said ink composition having a conductivity of at least about 10 milliSiemens per centimeter, and subsequently exposing the substrate to microwave radiation, thereby drying the images on the substrate. A specific embodiment of the invention is directed to a thermal ink jet printing process which comprises (1) incorporating into a thermal ink jet printing apparatus an ink composition which comprises an aqueous liquid vehicle, a colorant, and an ionic compound at least partially ionizable in the liquid vehicle, said ink composition having a conductivity of at least about 10 milliSiemens per centimeter; (2) heating the ink in an imagewise pattern to cause bubbles to form therein, thereby causing droplets of the ink to be ejected in an imagewise pattern onto a substrate, thereby generating images on the substrate; and (3) exposing the substrate to microwave radiation, thereby drying the images on the substrate.
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Carreira Leonard M.
Gooray Arthur M.
Isganitis Louis V.
Peter Kenneth C.
Radigan Edward J.
Byorick Judith L.
Hartary Joseph W.
Xerox Corporation
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