Ink jet printhead manufactured by a film coated passivation proc

Details Ink jet printhead manufactured by a film coated passivation proc Ink jet printhead manufactured by a film coated passivation proc

1994-04-25

1996-01-02

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 71, B41J 2045

Patent

active

054812852

ABSTRACT:
A method for film coated passivation of individual grooves or channels in an array of closely spaced grooves or channels of a workpiece, for example, ink channels in a printhead employed in an ink jet printer device; includes the steps of placing the workpiece on a rotation plate having a rotational center, securing the workpiece to the rotation plate with the grooves directed radially outward from the rotational center of the rotation plate, placing resin upon the workpiece in the vicinity of the grooves, and spinning the rotation plate to cause the resin to migrate along the surfaces of the grooves and thereby coating them.

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patent: 5334415 (1994-08-01), Hayes
Patent Abstracts of Japan, vol. 016, No. 456 (M-1314) 22 Sep. 1992 & JP, A, 04 161 341 (Fuji Xerox Co. Ltd.) 4 Jun. 1992.
Patent Abstracts of Japan, vol. 011, No. 102 (M-576) 31 Mar. 1987 & JP, A, 61 249 766 (Canon Inc.) 6 Nov. 1986.

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