Ink recording apparatus provided with shutter

Details Ink recording apparatus provided with shutter Ink recording apparatus provided with shutter

1990-09-10

1991-12-10

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 207

Patent

active

050722417

ABSTRACT:
An ink recording apparatus used with printers or the like and manufactured by applying semiconductor device manufacturing techniques. One wall of an ink chamber is formed of a single-crystal substrate and an ink jet port is formed by etching on the single-crystal substrate. A shutter and electrodes composed of polycrystalline-silicon film are formed on the single-crystal substrate by film forming in the LPCVD method and patterning through plasma etching. A front wall is formed by coating the shutter and electrodes further with a polycrystalline-silicon film. The shutter is movable between the wall surface of the ink chamber and the front wall, being driven through electrostatic attracting force produced between voltage-applied electrodes and the shutter. The electrodes are formed at positions corresponding to those where the shutter blocks the ink jet port and releases the same.

REFERENCES:
patent: 4199767 (1980-04-01), Campbell et al.
patent: 4458255 (1984-07-01), Giles

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