Heat transfer structures

Optical waveguides – With optical coupler – Switch

Reexamination Certificate

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Details

C385S027000, C385S050000

Reexamination Certificate

active

07031564

ABSTRACT:
A switching element includes a bubble chamber, a heater and a heat conductor. The bubble chamber holds fluid. The bubble chamber includes a trench within a planar light circuit and includes a trench within an integrated circuit attached to the planar light circuit. The heater is located under the trench within the integrated circuit. The heat conductor is attached to the integrated circuit. The heat conductor is located within the trench within the integrated circuit. A portion of the heat conductor is in close proximity to the heater. The heat conductor is more heat conductive than the fluid within the bubble chamber.

REFERENCES:
patent: 5699462 (1997-12-01), Fouquet et al.
patent: 6195478 (2001-02-01), Fouquet
patent: 6320994 (2001-11-01), Donald et al.
patent: 6324316 (2001-11-01), Fouquet et al.
patent: 6487333 (2002-11-01), Fouquet et al.
patent: 2004/0071595 (2004-04-01), Neeper et al.
patent: 2004/0124846 (2004-07-01), Yamshita et al.

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