Ink jet head having a positioning reference portion, and ink jet

Details Ink jet head having a positioning reference portion, and ink jet Ink jet head having a positioning reference portion, and ink jet

1995-11-22

1998-10-13

Tso, Edward

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 205

Patent

active

058219617

ABSTRACT:
An ink jet head includes ink paths in fluid communication with to ejection orifices for ejecting ink; a liquid chamber for supplying the ink to the ink paths; energy generation elements for generating energy for ejecting the ink; a substrate comprising the energy generation elements; and a top plate comprising recesses constituting the ink paths and the liquid chamber, and an ejection orifice plate comprising the ejection orifices; wherein the ink paths and liquid chamber are formed by the recesses and substrate, and a positioning reference portion of the ink jet head relative to an ink jet apparatus is provided on the top plate.

REFERENCES:
patent: 4701766 (1987-10-01), Sugitani et al.
patent: 5095321 (1992-03-01), Saito et al.
patent: 5478606 (1995-12-01), Ohkuma et al.
patent: 5657539 (1997-08-01), Orikasa et al.

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