Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1981-11-20
1984-06-19
Miller, Jr., George H.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 11, G01D 1518
Patent
active
044555601
ABSTRACT:
In an ink jet printing head which comprises several nozzles (18), each of which having associated with it an essentially oppositely situated pressure chamber (2), there are provided at least two supporting sections (1,7) which are linked in a stack-like manner opposite the nozzles and on which the pressure chambers are distributed in a staggered manner. The jet nozzle ducts (6) which emerge from the pressure chambers on the supporting section (7) remote from the nozzles and which lead to the nozzles are guided between the pressure chambers on the supporting section (1) which is nearer with respect to the nozzles (FIG. 6).
According to a method of manufacturing such an ink jet printing head, first the supporting sections (1,7) with the pressure chambers (2) are individually finished after which they are linked in a stack-like manner and provided in a mould with an adapter piece (15) in which the nozzle ducts (6) emerging from the pressure chambers continue into further nozzle ducts (28) leading to the nozzles (18) (FIG. 6).
REFERENCES:
patent: 3988745 (1976-10-01), Sultan
patent: 4248823 (1981-02-01), Bader et al.
Lee, F. et al., Laminated Ink Jet Head, IBM Technical Disclosure Bulletin, Dec. 1980, vol. 23, No. 7A, pp. 2955-2957.
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