Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1979-11-02
1982-01-19
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1518
Patent
active
043120083
ABSTRACT:
An improved impulse jet head structure utilizing etched silicon as the body of the structure. A silicon substrate is etched so as to form a nozzle groove, cavity, and ink supply groove. A layer of glass or other material is bonded to the top of the substrate so as to enclose the cavity and define, along with the grooves, and ink supply conduit and a nozzle conduit. A second layer of glass or other material is bonded to the bottom of the substrate and comprises the bottom surface of the cavity. A piezoelectric crystal driver is bonded to the bottom layer in a position corresponding to the location of the reservoir. An ink supply tube is bonded to the upper layer in a location above the supply groove and delivers ink to the head structure. The etching process may be utilized to form either single or multiple orifice head structures.
REFERENCES:
patent: 3988745 (1976-10-01), Sultan
patent: 4189734 (1980-02-01), Kyser
patent: 4216477 (1980-08-01), Matsuda
Brownlow et al; Ink on Demand Using Silicon Nozzles; IBM Tech. Disc. Bulletin; vol. 19, No. 6, Nov. 1976, pp. 2225-2256.
Holland et al; Porous Silicon Technique for Fabricating Drop-On-Demand Ink Jet Structures; IBM Tech. Disc. Bulletin, vol. 22, No. 2, Jul. 1979, pp. 783-784.
Taub Howard H.
Wolf Peter H.
Dataproducts Corporation
Hartary Joseph W.
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