Methods and apparatus for aligning print heads
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United States of America Patent
Stats
-
Jul 7, 2009
Grant Date -
May 4, 2006
app pub date -
Dec 22, 2004
filing date -
Nov 4, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a first aspect, a system is provided. The system includes (1) a stage adapted to move a substrate relative to print heads during printing; (2) at least one print head suspended from a support above the stage and adapted to be moveable in a plane above the stage; (3) a controller operable to rotate the print head about a center of the print head; and (4) an imaging system adapted to capture an image of the print head and to determine a center point of the print head based upon images of the print head captured as the print head is rotated. Numerous other aspects are provided.
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