Method and apparatus for film coated passivation of ink channels

Details Method and apparatus for film coated passivation of ink channels Method and apparatus for film coated passivation of ink channels

1992-09-21

1994-08-02

Bell, Janyce

Coating processes

Interior of hollow article coating

Rotating the article

427232, 427240, 427286, 4273855, B05D 722

Patent

active

053344154

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.

REFERENCES:
patent: 3663277 (1972-05-01), Koepp et al.
patent: 4271209 (1981-06-01), DePalma et al.
patent: 4640846 (1987-02-01), Kuo
patent: 5102685 (1992-04-01), Brosig et al.
patent: 5211986 (1993-05-01), Ohkubo
patent: 5219615 (1993-06-01), Nakawa et al.

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