Laser ablated nozzle member for inkjet printhead
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United States of America Patent
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Apr 19, 1994
Issued Date -
N/A
app pub date -
Apr 2, 1992
filing date -
Aug 16, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form tapered inkjet orifices. The nozzle member is then mounted to a substrate containing heating elements, each heating element being associated with a single orifice. In a preferred method, the orifices are formed by Excimer laser ablation. In other aspects of the invention, vaporization chambers as well as ink channels, providing fluid communication between an ink reservoir and the orifices, are also formed by Excimer laser ablation.
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