Manufacturing method of liquid discharge head
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United States of America Patent
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Mar 31, 2015
Grant Date -
Jun 20, 2013
app pub date -
Dec 6, 2012
filing date -
Dec 16, 2011
priority date (Note) -
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Abstract
This invention is a manufacturing method of a liquid discharge head that includes a substrate having a plurality of discharge energy generating elements that generate energy that is utilized for discharging a liquid, and a discharge port forming member that constitutes a discharge port group including a plurality of discharge ports that discharge the liquid and flow paths that communicate with the discharge port group. The manufacturing method includes (1) disposing a photosensitive resin as material of the discharge port forming member on or above the substrate, and (2) forming an exposure pattern of the discharge port group using ultraviolet light in the photosensitive resin. In the aforementioned (2), the discharge port group is divided in a longitudinal direction and exposed, and the exposures are respectively performed so that regions in which there is a high degree of telecentricity face each other.
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