Process for producing ink jet head

Details Process for producing ink jet head Process for producing ink jet head

1996-03-07

1999-11-16

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

298901, H05B 300

Patent

active

059834862

ABSTRACT:
A process for producing an ink jet head comprising a liquid-discharge energy generating element for discharging a liquid, a discharge opening, a liquid-flow path, and a substrate for holding the liquid-discharge energy generating element, the process comprises the steps of: preparing the substrate; providing on the substrate the liquid-discharge energy generating element; providing a solid layer with a convex shape on the surface of the substrate where the liquid-discharge energy generating element has been provided and at the part where the liquid-flow path and the discharge opening are to be provided, the solid layer being formed of a resin capable of being dissolved away; applying on the substrate provided with the solid layer a curable material in a thickness larger than the thickness of the solid layer, to cover the solid layer; curing the curable material; evenly removing the cured material until the convex portion of the solid layer is laid bare; and dissolving away the solid layer to form the liquid-flow path and the discharge opening.

REFERENCES:
patent: 5334999 (1994-08-01), Kashiwazaki et al.
patent: 5443942 (1995-08-01), Imamura
patent: 5478606 (1995-12-01), Ohkuma et al.
Patent Abstracts of Japan, "Ink Jet Recording Head, Manufacture thereof And Recorder With The Recording Head", Jun. 27, 1995, Abstract.

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