Ink-jet nozzle and a method for manufacturing same

Details Ink-jet nozzle and a method for manufacturing same Ink-jet nozzle and a method for manufacturing same

1982-01-18

1984-03-13

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

29157C, 239601, G01D 1518, B21D 5300

Patent

active

044371039

ABSTRACT:
An ink-jet nozzle for use in an ink-jet printer with stable ink discharging characteristics and excellent machining capability and a method for manufacturing same are provided. The present ink-jet nozzle is generally in the shape of a disc provided with a through-hole in the center which serves as an ink passage. The disc has a double annular structure in which the inner annular portion has the Vickers hardness value in the range between 500 and 600, whereas the outer annular portion has a value approximately a half thereof.

REFERENCES:
patent: 3662399 (1972-05-01), Yanou et al.
patent: 3823408 (1974-07-01), Gordon
patent: 3958249 (1976-05-01), De Maine et al.
I.B.M. Technical Disclosure Bulletin, vol. 15, No. 3, Aug. 1972, p. 910.

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