Double-action micro-electromechanical device

Details Double-action micro-electromechanical device Double-action micro-electromechanical device

2006-08-29

2006-08-29

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S048000

Reexamination Certificate

active

07097284

ABSTRACT:
A double-action micro-electromechanical device includes a substrate. Integrated drive circuitry is positioned on the substrate. An actuator having an elongate actuator arm has a fixed end fast with the substrate and a free end displaceable with respect to the substrate. A pair of heater elements is connected to the drive circuitry and fast with the actuator arm on respective opposite sides of the actuator arm to receive alternate heating currents. The actuator arm is of a material capable of thermal expansion to perform work such that the actuator arm can experience alternate thermal differential expansion and contraction and be reciprocally displaced.

REFERENCES:
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patent: 5612723 (1997-03-01), Shimura et al.
patent: 5940096 (1999-08-01), Komplin et al.
patent: 6084609 (2000-07-01), Manini et al.
patent: 6209989 (2001-04-01), Silverbrook
patent: 6471336 (2002-10-01), Silverbrook
patent: 403153359 (1991-07-01), None

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