Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1990-07-27
1992-04-14
Reinhart, Mark J.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
346140R, G01D 1516
Patent
active
051052040
ABSTRACT:
In the particular embodiments of the invention described in the specification, an opaque subtractive color ink reflection print having improved color purity resulting from reduced frosting and crystallization of the ink layers is prepared by reheating the ink image to a temperature above the melting point of at least one of the inks and then quenching the image by cooling it at a rate of at least 50.degree. C. per second. In one embodiment, the ink image is produced by an ink jet head applied to a substrate supported on a platen maintained at least 20.degree. C. below the melting point of the inks to inhibit spreading of the inks into the substrate, and the image is thereafter heated to a temperature at least 20.degree. C. above the melting point of at least one of the inks for a period of 3 to 5 seconds and then quenched at a rate of 500.degree. C. per second to produce an image having less than 20% light loss resulting from scattering of light by frosting and crystallization of the ink in the layers.
REFERENCES:
patent: 4751528 (1988-06-01), Spehrley, Jr. et al.
patent: 4873134 (1989-10-01), Fulton et al.
"Principles of Color Technology", by F. W. Billmeyer, Jr. and Max Saltzman, 2nd Ed., pp. 137-141.
Fulton Steven J.
Hoisington Paul A.
Spehrley, Jr. Charles W.
Young Lawrence R.
Reinhart Mark J.
Spectra Inc.
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