Process for manufacturing a monolithic printhead with truncated cone shape nozzles
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United States of America Patent
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Sep 27, 2005
Grant Date -
Jun 12, 2003
app pub date -
Jun 4, 2001
filing date -
Jun 5, 2000
priority date (Note) -
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Abstract
A process for manufacturing a monolithic thermal ink jet printhead (40) comprising a plurality of chambers (74) and of nozzles (56), comprises steps of (206) depositing a plurality of sacrificial layers (31), of obtaining, by means of exposure and development operations, a plurality of casts (156), of (215) applying a structural layer (107), and subsequently steps of (225) removing the casts (156) and of (226) removing the sacrificial layers (31), in order to produce a plurality of chambers (74) and nozzles (56).
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