Method for mutual spatial registration of inkjet cartridges
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Aug 6, 2001
filing date -
Aug 6, 2001
priority date (Note) -
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Abstract
A method is presented for aligning the nozzles of a number of individual inkjet cartridges that are combined to create a multiple inkjet head array for an inkjet printer. The method includes fabricating spatially referenced inkjet cartridge sub-assemblies by permanently attaching an intermediate fixture member to pre-made inkjet cartridges whilst referencing the intermediate fixture members to the inkjet nozzle arrays of the inkjet cartridges. The method further includes removably combining a number of such spatially referenced inkjet cartridge sub-assemblies in mutual spatial registration on a common fixture such that the inkjet nozzles of the different inkjet cartridges are all in spatial registration with one another. By this method an array of inkjet heads, of which all the nozzles are in the desired relative positions with respect to one another, is created. This method allows an array head to be maintained or repaired through the removal and substitution of an individual pre-registered inkjet cartridge sub-assembly.
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