Process for manufacturing a monolithic printhead with...

Details Process for manufacturing a monolithic printhead with... Process for manufacturing a monolithic printhead with...

2005-09-27

2005-09-27

Ahmed, Shamim (Department: 1765)

Etching a substrate: processes

Forming or treating thermal ink jet article

C216S041000, C347S065000, C438S021000

Reexamination Certificate

active

06949201

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).

REFERENCES:
patent: 4894664 (1990-01-01), Tsung Pan
patent: 6000787 (1999-12-01), Weber et al.
patent: 198 36 357 (1999-04-01), None
patent: 0 895 866 A 2 (1999-02-01), None

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