Method and apparatus for producing ink intensity modulated ink j

Details Method and apparatus for producing ink intensity modulated ink j Method and apparatus for producing ink intensity modulated ink j

1997-10-17

2000-05-09

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 99, 347 43, 347 85, 347 15, B41J 2205, B41J 221, B41J 2175, G01D 1100

Patent

active

060594047

ABSTRACT:
A gray scale ink jet printing method and apparatus which produce a high quality images having varying color intensities are disclosed. This is achieved by using a clear phase change ink base and a plurality of colored phase change inks with varying amounts of black dye, thereby producing multiple gray scale levels of black in images with substantial contrast between the imaged and non-imaged areas that are used in medical diagnostic imaging applications.

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