Ink jet recording apparatus, and an ink jet head manufacturing method
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United States of America Patent
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Nov 30, 1999
Grant Date -
N/A
app pub date -
Apr 19, 1995
filing date -
Apr 20, 1994
priority date (Note) -
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Abstract
A high reliability ink jet head for an ink jet recording apparatus enabling consistent ink ejecting with no nozzle clogging. The ink jet head therefor comprises a substrate comprising plural ink passages, each comprising a nozzle, pressure generator continuous to the nozzle, and an orifice, and an ink supply member common to the plural ink passages. The substrate comprising an anisotropic crystalline material such as silicon, and a filter channel formed integrally to the ink supply member by anisotropic etching.
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