US 12,251,508 B2
Microfluidic dispenser device for delivering inhalable substances
Oriana Rita Antonia Di Marco, Milan (IT); and Domenico Giusti, Caponago (IT)
Assigned to STMICROELECTRONICS S.r.l., Agrate Brianza (IT)
Filed by STMICROELECTRONICS S.r.l., Agrate Brianza (IT)
Filed on Oct. 3, 2022, as Appl. No. 17/958,723.
Application 17/958,723 is a continuation of application No. 16/408,362, filed on May 9, 2019, granted, now 11,484,669.
Claims priority of application No. 102018000005372 (IT), filed on May 15, 2018.
Prior Publication US 2023/0024534 A1, Jan. 26, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 11/04 (2006.01); A24F 40/30 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01); A61M 15/06 (2006.01); H05B 3/42 (2006.01); A24F 40/10 (2020.01)
CPC A61M 11/042 (2014.02) [A24F 40/30 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01); A61M 15/06 (2013.01); H05B 3/42 (2013.01); A24F 40/10 (2020.01)] 18 Claims
OG exemplary drawing
 
1. A nebulizer, comprising:
a substrate including a surface;
a heater at the surface of the substrate;
an insulating layer on the surface of the substrate and overlapping the heater at the surface of the substrate;
a chamber layer on the insulating layer, the chamber layer including:
a chamber that is aligned with and overlaps the heater, the chamber including:
a central region aligned with the heater;
a plurality of peripheral regions that are around the central region,
wherein the plurality of peripheral regions are a plurality of niches that extend from the central region;
a nozzle plate on the chamber layer, the nozzle plate including:
a plurality of nozzles that extend through the nozzle plate to the chamber layer, each one of the plurality of nozzles overlaps a corresponding peripheral region of the plurality of peripheral regions.