Droplet Deposition Apparatus and Method of Manufacture
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United States of America Patent
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N/A
Issued Date -
Dec 20, 2007
app pub date -
Jul 4, 2005
filing date -
Jul 2, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To increase manufacturing yield, an array of ejection chambers in an inkjet printer includes at least one redundant ejection chamber. For each ejection chamber, there is a possible nozzle window, and these nozzle windows overlap. The ejection chambers are tested prior to nozzle formation to identify any non-functioning chambers, appropriately positioned within the respective nozzle windows to form uniformly spaced dots on a substrate, with at least one ejection chamber.
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