Method for manufacturing an ink jet recording head having ink fi

Details Method for manufacturing an ink jet recording head having ink fi Method for manufacturing an ink jet recording head having ink fi

1996-11-07

1998-09-15

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

216 27, 347 65, B41J 2175

Patent

active

058086447

ABSTRACT:
A method for manufacturing an ink jet recording head which includes a plurality of ejection outlets for ejecting ink; discrete ink passages communicating with respective ejection outlets; a common liquid passage communicating with the discrete ink passages for supplying ink thereto; a liquid chamber for supplying the ink to the common ink passages; and a filter. The filter includes plural projections between the common liquid passage and the liquid chamber, for preventing foreign matter from entering the discrete liquid passages. Adjacent projections define a liquid passing area having a size smaller than that of the ejection outlets.

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