Compound bore nozzle for ink jet printhead and method of manufac

Details Compound bore nozzle for ink jet printhead and method of manufac Compound bore nozzle for ink jet printhead and method of manufac

1986-04-02

1987-06-23

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

C25D 108

Patent

active

046750835

ABSTRACT:
The present invention is directed to a compound bore nozzle plate for a thermal ink jet printhead and is manufactured by electroforming nickel onto a nickel substrate which has been masked by a plurality of mask segments of predefined geometry. This geometry consists of a plurality of base segments upon which have been formed a corresponding plurality of post segments of greater vertical dimension and smaller lateral dimension than the base segments. This mask geometry enables greater center-to-center orifice spacing to be achieved without unacceptably reducing the thickness and structural integrity of the nozzle plate.

REFERENCES:
patent: 4246076 (1981-01-01), Gardner

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