Method of forming tapered orifice arrays in fully assembled ink jet printheads
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United States of America Patent
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May 11, 1993
Grant Date -
N/A
app pub date -
Dec 31, 1991
filing date -
Dec 31, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A method of forming an outwardly tapered orifice for a fully assembled ink jet printhead. A main body portion and a cover plate for an ink jet printhead are mounted together such that the cover plate covers an ink-carrying channel which axially extends through the main body portion. First and second light beams capable of ablating the material used to form the cover plate are generated and an ink-carrying channel communicating orifice extending through the cover plate and tapering outwardly from a front side of the cover plate to a back side of the cover plate is formed by directing the first and second light beams at the front side of the cover plate at first and second angles, respectively, whereby the first and second light beams form the outwardly tapered orifice.
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