Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1990-06-01
1994-08-09
Reinhart, Mark J.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
G01D 1516, B41J 201
Patent
active
053370791
ABSTRACT:
In the particular embodiments of the invention described in the specification, the surface of a hot melt ink image in a projection transparency having curved surface portions is reoriented to provide an ink layer of substantially uniform thickness causing rectilinear transmission of light rays passing through the transparency and provide a clear, saturated projection image. Reorienting of the curved surface portion to provide a layer of uniform thickness is accomplished by burnishing, pressing with or without heating, rolling with or without heating, or heating the ink to a temperature above its melting point for a selected time such as 0.5 to 10 seconds. Preferably, the ink is cooled rapidly after remelting to reduce crystallization and frosting and thereby reduce light transmission losses in the ink.
REFERENCES:
patent: 4853706 (1989-08-01), Van Brimer et al.
Fulton Steven J.
Hoisington Paul A.
Schaffer Robert R.
Spehrley, Jr. Charles W.
Young Lawrence R.
Reinhart Mark J.
Spectra Inc.
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