Hydrophilic ink passage

Details Hydrophilic ink passage Hydrophilic ink passage

1995-01-23

1998-05-12

Bobb, Alrick

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 92, 427230, 4273722, B41J 219

Patent

active

057513139

ABSTRACT:
The present invention relates to an ink passage having surface which has a film comprising a fine particle of an inorganic oxide having a hydrophilic group. The surface of the ink passage according to the present invention has a high hydrophilicity and can rapidly remove bubbles formed within the ink passage. The recording head according to the present invention need not conduct filling of a liquid in the course of transportation and can be transported in an empty state.

REFERENCES:
patent: 3956569 (1976-05-01), Jyo et al.
patent: 4725862 (1988-02-01), Matsuzaki
patent: 4947184 (1990-08-01), Moynihan
patent: 5141822 (1992-08-01), Matsuo et al.
patent: 5144340 (1992-09-01), Hotomi et al.
patent: 5175027 (1992-12-01), Holmes-Farley et al.

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