Liquid discharge head producing method

Details Liquid discharge head producing method Liquid discharge head producing method

2011-07-26

2011-07-26

McPherson, John A. (Department: 1721)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

Reexamination Certificate

active

07985532

ABSTRACT:
Three positive-type photosensitive material layers which are photosensitive to light having the same wavelength range are provided on a substrate, and an intermediate layer contains a light-absorbing agent. The ultraviolet absorbing agent contained in the intermediate layer prevents the intermediate layer and lower layer from being exposed during the exposure of an upper layer. After the upper layer is exposed, the intermediate layer and lower layer are exposed with the light having the same wavelength range, which is used to expose the upper layer.

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International Preliminary Report on Patentability in PCT Application No. PCT/JP2006/322509 dated Apr. 22, 2008.

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