Continuous ink jet printer with micromechanical actuator drop de

Details Continuous ink jet printer with micromechanical actuator drop de Continuous ink jet printer with micromechanical actuator drop de

1997-10-17

1999-10-05

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2105

Patent

active

059632356

ABSTRACT:
A continuous ink jet printer emits a continuous stream of ink from an ink stream generator. The stream breaks up into a plurality of droplets at a position spaced from the ink stream generator. A stream deflector includs a control surface positioned adjacent to the stream between the ink stream generator and the position whereat the stream breaks up into droplets such that the stream contacts the control surface and is thereby deflected due to a gain in free energy caused by physical contact between the ink in the stream and the control surface. Apparatus may be provided to modulate the position of the control surface to change the direction of the stream between a print direction and a non-print direction.

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T.P. Weihs, S. Hong, J.C. Bravman, W. D. Nix, J Mater, Mechanical deflection of cantilever microbeams: A new technique for testing the mechanical properties of thin films, Res.3 (5), Sep. 1988, pp. 931-942.

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