Patent ID: 9719184
Date: 2017-08-01
CPC Classifications: A61M,B05B,B41J,C25D

Claim:
1. A nebulizer aperture plate for use in aerosolising a liquid in a nebulizer comprising: a first material having a plurality of first apertures, the first material having a characteristic of being formed through a photolithography process and wherein the plurality of first apertures define generally cylindrical shapes, the exit opening of the first apertures having a diameter within a range of from 0.5 μm to 6 μm to produce droplets that are about 0.5 μm to 6 μm in size; a second material above the first material, the second material having a plurality of second apertures above the plurality of first apertures in the first material, the second material having a characteristic of being formed through a photolithography process and wherein the plurality of second apertures define generally cylindrical shapes defining liquid supply cavities, each liquid supply cavity having a diameter within a range of from 20 μm to 200 μm; wherein the first material and the second material form an aperture plate for use in a nebulizer, and wherein at least some of the plurality of first apertures are within the diameter of the liquid supply cavity defined by one of the second apertures.