Ink jet print head containing a radiation curable resin layer

Details Ink jet print head containing a radiation curable resin layer Ink jet print head containing a radiation curable resin layer

1997-03-28

1999-05-25

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 63, 347 65, 156310, 156335, 156292, B41J 2235

Patent

active

059073330

ABSTRACT:
This invention relates to an ink jet print head having ink passage ways formed in a radiation cured resin layer which is attached to a substrate. The passageways are connected in fluid flow communication to an ink discharging outlet provided by an orifice plate. In order to form the passage ways in the resin layer, a resin composition is exposed to a radiation source in a predetermined pattern to cure certain regions of resin layer while other regions which provide the passage ways remain uncured. The uncured regions are removed from the resin layer leaving the desired passage ways. The resin composition to be used for forming the radiation curable layers is a resin composition comprising: a first multifunctional epoxy compound; a second multifunctional compound; a photoinitiator; and a non-photoreactive solvent.

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