Atomization core
The present disclosure relates to the field of atomization applications. More specifically, the disclosure relates to an atomization core, comprising a core substrate and a heating body on the core substrate, wherein the core substrate is made of a dense material (e.g., dense ceramics), with e-liquid transferring perforations distributed in the substrate; the diameter of the e-liquid transferring perforations is 1-250 μm; the wall spacing between two adjacent e-liquid transferring perforations is less than 500 μm; and the porosity of the dense material is less than 30%.
1 . An atomization core comprising:
a core substrate having a porosity of less than 10%, the core substrate having a first side and a second side;
a plurality of perforations defined in the core substrate, the perforations extending from the first side to the second side of the core substrate, each of the perforations having a wall, the perforations being arranged in an array having a triangular shape and uniformly dispersed over a substantial portion of the core substrate;
a heating body disposed on the second side of the core substrate between the walls of the perforations to form fluidic channels for atomizing a liquid transferred through the perforations; and
electrodes electrically connected across a width of the heating body at opposing ends.
2 . The atomization core according to claim 1 , wherein the plurality of perforations have a uniform diameter.
3 . The atomization core according to claim 1 , wherein the plurality of perforations have a uniform spacing between the walls of adjacent perforations.
4 . The atomization core according to claim 1 , wherein the core substrate has a uniform thickness between the first side and the second side.
5 . The atomization core according to claim 1 , wherein the heating body has a uniform thickness.
6 . The atomization core according to claim 1 , wherein the plurality of perforations extend orthogonally between the first side and the second side.
7 . The atomization core according to claim 1 , wherein each of the perforations has a diameter of 250 μm or less.
8 . The atomization core according to claim 1 , wherein the walls of adjacent perforations are spaced by a distance of less than 250 μm.
9 . The atomization core according to claim 1 wherein the heating body has a thickness of less than 100 μm.
10 . The atomization core according to claim 1 , further comprising a passive film disposed on the heating body.
11 . The atomization core of claim 10 , wherein the passive film comprises Au.
12 . The atomization core according to claim 1 , wherein the core substrate is made from a monocrystalline material.
13 . The atomization core according to claim 1 , wherein the core substrate is made from a high temperature resistant and thermal shock resistant glass.
14 . The atomization core of claim 13 , wherein the high temperature resistant and thermal shock resistant glass comprises quartz.
15 . The atomization core according to claim 1 , wherein the heating body comprises biocompatible films.
16 . The atomization core of claim 1 , wherein the fluidic channels have the same diameter as the perforations.
17 . The atomization core according to claim 1 , wherein the perforations are uniformly spaced from one another both linearly and diagonally in the triangular array.
18 . The atomization core according to claim 1 , wherein the plurality of perforations are defined by laser in the core substrate.
19 . An atomization core comprising:
a core substrate having a porosity of less than 10% and a first side and a second side;
a plurality of perforations defined in the core substrate, the perforations extending from the first side to the second side, each of the plurality of perforations having a wall, wherein the plurality of perforations have a uniform diameter, and wherein the plurality of perforations are arranged in an array having a triangular shape and uniformly dispersed over a substantial portion of the core substrate;
a heating body having a uniform thickness disposed on the second side of the core substrate between the walls of the perforations to form fluidic channels for atomizing a liquid transferred through the perforations; and
electrodes electrically connected across a width of the heating body at opposing ends.
20 . An atomization device comprising:
an atomization core having:
a core substrate having a porosity of less than 10%, the core substrate having a first side and a second side;
a plurality of perforations defined in the core substrate, the perforations extending from the first side to the second side of the core substrate, each of the perforations having a wall, the perforations being arranged in an array having a triangular shape and uniformly dispersed over a substantial portion of the core substrate;
a heating body disposed on the second side of the core substrate between the walls of the perforations to form fluidic channels for atomizing a liquid transferred through the perforations; and
electrodes connected across a width of the heating body at opposing ends for electrically connecting the heating body to a power supply, wherein the plurality of perforations have a size that is matched to the liquid for atomizing.