Method of manufacturing a liquid discharging head

Details Method of manufacturing a liquid discharging head Method of manufacturing a liquid discharging head

2008-06-24

2008-06-24

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

C216S027000, C216S041000, C216S047000, C347S044000, C347S054000, C430S286100, C430S320000, C430S312000, C430S319000

Reexamination Certificate

active

07389585

ABSTRACT:
A method for forming an ink jet recording head includes at least a step of forming an ink flow path pattern on a substrate by a photodecomposable positive type resist resin, a step of, once executing each of the steps of applying, exposing and baking thereon a nozzle-constituting resin layer which is a negative type resist containing an optical cation polymerization starting agent and having an epoxy resin as a chief component with respect to each of an ink flow path pattern and an ink discharge port pattern, collectively developing unexposed portions on the respective nozzle-constituting resin layers, and a step of removing the formed photodecomposable resin is minimized.

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