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Title:
TAPERED MULTILAYER THERMAL ACTUATOR AND ITS OPERATION METHOD
Document Type and Number:
Japanese Patent JP2004160650
Kind Code:
A
Abstract:

To provide a device and a method for operating a thermal actuator of a microelectro mechanical device such as a liquid drop emitter.

This thermal actuator of the microelectro mechanical device is provided with a base component and a cantilever component having a thermo-mechanical bender part extending from the base component and a free end tip on a first position. The thermo-mechanical bender part is provided with a base end width adjacent to a base end and the base component, and a free end width adjacent to a free end and the free end tip. The base end width is substantially larger than the free end width. A device adapted for directly applying a thermal pulse having a spatial pattern to the thermo-mechanical bender part is provided. The thermal pulse has a spatial thermal pattern which results in base end temperature increase greater than free end temperature increase of the thermo-mechanical bender part. The high-speed heating of the thermo-mechanical bender part deflects the free end tip of the cantilever component to a second position.


Inventors:
CHRISTOPHER N DELAMETER
FURLANI EDWARD P
LEBENS JOHN A
TRAUERNICHT DAVID P
CABAL ANTONIO
ROSS DAVID S
POND STEPHEN F
Application Number:
JP2003381227A
Publication Date:
June 10, 2004
Filing Date:
November 11, 2003
Export Citation:
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Assignee:
EASTMAN KODAK CO
International Classes:
B41J2/045; B05C5/00; B41J2/055; B41J2/14; B41J2/16; B81B3/00; (IPC1-7): B81B3/00; B05C5/00; B41J2/045; B41J2/055
Domestic Patent References:
JPH0852673A1996-02-27
JP2002052499A2002-02-19
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Masafumi Nakamura