Liquid discharge head and method for manufacturing liquid...

Details Liquid discharge head and method for manufacturing liquid... Liquid discharge head and method for manufacturing liquid...

2007-07-05

2010-06-15

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07735973

ABSTRACT:
A liquid discharge head includes a substrate including energy-generating elements that generate energy used to discharge a liquid, discharge ports through which the liquid is discharged, and a channel-forming member having a channel in which the liquid flows and which is communicatively connected to the discharge ports. The channel-forming member includes a first layer and a second layer. The first and second layers are formed from negative-type photosensitive resin compositions containing a photopolymerization initiator. The first layer is located between the second layer and the substrate. The content of the photopolymerization initiator in the first layer is greater than the content of the photopolymerization initiator in the second layer.

REFERENCES:
patent: 5478606 (1995-12-01), Ohkuma et al.
patent: 6926391 (2005-08-01), Yang et al.
patent: 7018017 (2006-03-01), Song et al.
patent: 7207662 (2007-04-01), Shin et al.

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