Thermoelastic inkjet actuator with heat conductive pathways

Details Thermoelastic inkjet actuator with heat conductive pathways Thermoelastic inkjet actuator with heat conductive pathways

2005-03-08

2005-03-08

Meler, Stephen D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S054000

Reexamination Certificate

active

06863365

ABSTRACT:
A thermal inkjet actuator for use in an inkjet printer assembly includes heat conduction means arranged to realize a predetermined negative pressure profile to facilitate droplet formation. In a preferred embodiment the heat conduction means comprises a thin layer of very high thermally conductive material such as Aluminium located in the middle of a non-heat conductive passive bend layer. The overall cool-down speed of the actuator, and hence the speed with which the passive bend layer returns to its quiescent position can be controlled by controlling the proximity of the heat conductive layer to the actuator's heater during fabrication.

REFERENCES:
patent: 5936646 (1999-08-01), Kenny et al.
patent: 6065823 (2000-05-01), Kawamura
patent: 6213589 (2001-04-01), Silverbrook
patent: 6688719 (2004-02-01), Silverbrook et al.
patent: 0 816 083 (1998-01-01), None
patent: 2 334 000 (1999-08-01), None
patent: 08 309980 (1996-11-01), None
Derwent Abstract Accession No. 97-060871/06, JP08309980 A (SHARP KK) Nov. 26, 1996 See Whole Document.

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