Method of making ink-jet component

Details Method of making ink-jet component Method of making ink-jet component

1994-11-08

1996-10-01

Fourson, George

Etching a substrate: processes

Forming or treating thermal ink jet article

430394, 430326, 430312, 205 75, 205127, 205135, 298901, B41J 216

Patent

active

055608370

ABSTRACT:
A process for fabricating a thin-film structure using a transparent substrate is disclosed. A first structure, such as a ring having a central pillar, is formed of a conductive material on a surface of the substrate. A photoresist material pillar is formed on top of the conductive material central pillar by exposure through the transparent material. Such structures are useful as mandrel structures in the forming of precision thin-film components such as nozzle plates, mesh filter screens, and the like, for ink-jet pens.

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patent: 4250242 (1981-02-01), Doering
patent: 4264714 (1981-04-01), Trausch
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patent: 4773971 (1988-09-01), Lam et al.
patent: 4839001 (1989-06-01), Bakewell
patent: 4954225 (1990-09-01), Bakewell

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