Thermal drop generator

Details Thermal drop generator Thermal drop generator

2007-07-17

2007-07-17

Bennett, Henry (Department: 3743)

Surgery

Liquid medicament atomizer or sprayer

Ultrasonic

C239S102200, C239S690000

Reexamination Certificate

active

10943581

ABSTRACT:
A silicon die having an orifice layer with plural openings formed therein defines a drop ejection device for use in a handheld inhaler. An underlying control layer defines fluid chambers, each carrying a heat transducer. A control system energizes selected heat transducers to heat fluid in the chambers, vaporizing the fluid, which is ejected through the orifices in small droplets.

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