Method for fabricating a drop generator

Details Method for fabricating a drop generator Method for fabricating a drop generator

2007-11-20

2007-11-20

Vo, Peter (Department: 3729)

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

C029S025350, C029S832000, C029S841000, C029S855000, C216S027000, C347S047000

Reexamination Certificate

active

11079783

ABSTRACT:
A method for fabricating a drop generator with a uniquely formed nonconductive mandrel, which when encapsulated with electroplated metal, shapes and defines the internal ink channel entails identifying a non-conductive dimensionally stable structure with a shape adapted to define a fluid cavity for the drop generator for an ink jet printer. The ends of the structure are covered with caps. A conductive base is mounted to each structure. Metal from the conductive base is electroformed onto the structure to a thickness at least equivalent to a desired outer dimension. The caps are removed and the structure is removed, thereby leaving a drop generator with a channel adapted to receive fluid and a slot adapted to communicate fluid from the channel to the orifice plate.

REFERENCES:
patent: 4558333 (1985-12-01), Sugitani et al.
patent: 4999647 (1991-03-01), Wood et al.
patent: 5458254 (1995-10-01), Miyagawa et al.
patent: 5686949 (1997-11-01), Swanson et al.
patent: 5739831 (1998-04-01), Nakamura et al.
patent: 6371596 (2002-04-01), Maze et al.

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