Electrical drive waveform for close drop formation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 17, 2002
Grant Date -
N/A
app pub date -
Oct 5, 2000
filing date -
Oct 5, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inkjet printing apparatus and method of operating an inkjet printhead provides an inkjet orifice of the printhead that is located within a predetermined spacing of less than 1000 micrometers, and more preferably in a range of 50-500 micrometers for printing high resolution images. Electrical drive signals are provided to the printhead, the drive signals being adapted to enable the printhead to generate a droplet. In response to the drive signals, a free spherical droplet is formed between the orifice and a receiver member and deposits a droplet upon the receiver member substantially without presence of an attached or detached ligament of printing liquid that would otherwise provide an artifact mark on the receiver member.
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