Method and apparatus for controlling the size of dots produced by jetting phase change ink
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United States of America Patent
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May 17, 1988
Grant Date -
N/A
app pub date -
Jul 21, 1986
filing date -
Jul 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of ejecting droplets of phase change or hot melt ink jet ink upon a target such as paper includes a step of applying pressure to the droplets after they have cooled upon the paper in order to increase their coverage and, thus, minimize the volume of ink required to produce a high quality print with a high degree of resolution. Including a means for applying pressure to the cooled droplets, a suitable apparatus increases the area of the target covered by a particular droplet after spreading by at least five percent and preferably by twenty percent.
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