Thermal bend actuator comprising bilayered passive beam

Details Thermal bend actuator comprising bilayered passive beam Thermal bend actuator comprising bilayered passive beam

2011-03-08

2011-03-08

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S064000

Reexamination Certificate

active

07901052

ABSTRACT:
A thermal bend actuator comprises an active beam for connection to drive circuitry and a passive beam mechanically cooperating with the active beam. When a current is passed through the active beam, the active beam expands relative to the passive beam resulting in bending of the actuator. The passive beam is comprised of first and second layers, and the second layer is sandwiched between the first layer and the active beam. The second layer is relatively more thermally insulating than the first layer.

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patent: 2010/0231652 (2010-09-01), McAvoy et al.
patent: WO 02/02328 (2002-01-01), None

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