Ink printing with drop separation
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United States of America Patent
Stats
-
Feb 8, 2000
Grant Date -
N/A
app pub date -
Jan 21, 1997
filing date -
Jan 21, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid ink, drop on demand page-width print-head comprises a semiconductor substrate, a plurality of drop-emitter nozzles fabricated on the substrate; an ink supply manifold coupled to the nozzles; pressure means for subjecting ink in the manifold to a pressure above ambient pressure causing a meniscus to form in each nozzle; a means for applying heat to the perimeter of the meniscus in predetermined selectively addressed nozzles; and a means for combined selection and ejection of drops from the selectively addressed nozzles.
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