Method for producing liquid-discharging recording head, liquid-discharging recording head produced by said method, and recording apparatus utilizing said recording head
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United States of America Patent
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Jul 19, 1994
Grant Date -
N/A
app pub date -
Dec 19, 1991
filing date -
Dec 19, 1990
priority date (Note) -
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Abstract
A method for producing a liquid discharging recording head including an ink discharge opening, an ink supply opening, an ink channel communicating with the ink discharge opening and the ink supply opening, and an energy generating element provided corresponding to the ink channel and adapted for generating energy to be utilized for ink discharge comprises the steps of: forming a first photosensitive material layer for ink channel formation, on a substrate bearing thereon the energy generating element; pattern exposing the first photosensitive material layer for forming the ink channel; forming a second photosensitive material layer on the first photosensitive material layer; pattern exposing the second photosensitive material layer for forming the ink discharge opening and the ink supply opening; and developing the first and the second layers of photosensitive materials.
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