Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1974-12-31
1976-05-18
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
156 11, 239601, 346 75, G01D 1518
Patent
active
039582558
ABSTRACT:
A nozzle array structure for pressurized fluid jets includes a uniform deposited membrane having an array of uniform small orifices therein overlaying a planar substrate having an array of larger aperture openings therethrough with approximately the same central axes as the orifice array. The method of making includes forming a substrate of a planar single crystal material oriented with the (100) planes parallel to the surface. A membrane comprising a uniform coating of an inorganic material is applied to the planar surface of the substrate. The substrate is preferentially etched from the rear surface to form an array of openings therein extending therethrough to the membrane. The membrane is then selectively eroded to form an array of uniform small orifices therein.
REFERENCES:
patent: 3823408 (1974-07-01), Gordon
Lane, R; Fabricating an Ink Jet Nozzle; IBM Tech. Disc. Bulletin, Vol. 16, No. 10, Mar. 1974, p. 3413.
Chiou Charles
Galli Guido
Loeffler Karl H.
Lorenz Max R.
Hartary Joseph W.
Holcombe John H.
International Business Machines - Corporation
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