Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1996-08-15
2000-12-12
Barlow, John
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 85, B41J 2135
Patent
active
061588423
ABSTRACT:
A printer apparatus having a print head which has a first pressure chamber into which a discharge medium is introduced, a second pressure chamber into which a feed medium is introduced, and at least one set of nozzles comprised of a first nozzle communicated with the first pressure chamber and a second nozzle communicated with the second pressure chamber arranged adjacent to each other and which mixes and discharges the discharge medium and the feed medium from the nozzles, wherein a liquid repellent treatment is applied to at least one of the portion between the mutually adjoining first nozzle and second nozzle and a portion between the sets of nozzles adjoining each other on a nozzle opening face of the print head; wherein a projecting portion is formed on at least one of the portion between the mutually adjoining first nozzle and second nozzle and the portion between the sets of nozzles adjoining each other on the nozzle opening face of the print head; or wherein a recessed portion is formed between the mutually adjoining sets of nozzles of the nozzle opening face of the print head.
REFERENCES:
patent: 4368476 (1983-01-01), Uehara et al.
patent: 4623904 (1986-11-01), Conta et al.
patent: 5543827 (1996-08-01), Van Steenkiste et al.
patent: 5777636 (1998-07-01), Naganuma et al.
Aihara Takashi
Ando Makoto
Naganuma Tohru
Okamoto Kenji
Barlow John
Brooke Michael S.
Sony Corporation
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