Ink-jet recording head

Details Ink-jet recording head Ink-jet recording head

1997-08-07

2000-03-28

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 45, 347 15, B41J 2135, B41J 214

Patent

active

06042219&

ABSTRACT:
An ink-jet recording head (10) includes a first head member (16a) in which a first nozzle (30) is formed, and a second head member (16b) in which a second nozzle (30) is formed. The first and second head members (16a,16b) are made of materials having different repellent characteristics against ink material. Even if the first and second nozzle have the same size, ink droplets ejected from the first and second nozzles (30) have respective diameters. This enables the ink-jet head (10) to eject ink droplets having various sizes to print a highly graded halftone image.

REFERENCES:
patent: 4369455 (1983-01-01), McConica et al.
patent: 4454519 (1984-06-01), Oosaka et al.
patent: 4503444 (1985-03-01), Tacklind
patent: 4587534 (1986-05-01), Saito et al.
patent: 4890126 (1989-12-01), Hotomi
patent: 5208605 (1993-05-01), Drake
patent: 5350616 (1994-09-01), Pan et al.
patent: 5412410 (1995-05-01), Rezanka

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