CN209061458U - A kind of ultrasonic atomization piece - Google Patents
A kind of ultrasonic atomization piece Download PDFInfo
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- CN209061458U CN209061458U CN201821762873.6U CN201821762873U CN209061458U CN 209061458 U CN209061458 U CN 209061458U CN 201821762873 U CN201821762873 U CN 201821762873U CN 209061458 U CN209061458 U CN 209061458U
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- protective layer
- ultrasonic atomization
- layer
- base unit
- atomization piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Special Spraying Apparatus (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model discloses a kind of ultrasonic atomization pieces, and including piezoelectric base unit, the first electrode layer that is fixedly arranged on one side surface of piezoelectric base unit, the second electrode lay for being fixedly arranged on another side surface of piezoelectric base unit, first electrode layer outer surface is installed with the first protective layer；It further include the second protective layer for being fixedly arranged on the first protective layer central area.The utility model central area is not easily broken or breakage, is not easy to burn drain part and generate harmful substance, long service life, use cost is low, more health environment-friendly.
Description
Technical field
In particular to a kind of ultrasonic atomization piece of the utility model.
Background technique
Existing ultrasonic atomization piece includes piezoelectric base unit, the first electrode layer for being fixedly arranged on one side surface of piezoelectric base unit, consolidates
The second electrode lay set on another side surface of piezoelectric base unit, fixed matcoveredn (the generally glass glaze in first electrode layer outer surface
Layer).
When using ultrasonic atomization piece, being in contact on one side for drain part protective layer corresponding with ultrasonic atomization piece utilizes
First electrode layer and a second electrode lay electric field additional to piezoelectric base unit, piezoelectric base unit can generate inverse piezoelectric effect, i.e. piezoelectricity
Small deformation can occur for matrix, to convert electrical energy into mechanical energy.Using inverse piezoelectric effect, high frequency voltage can be converted
For high-frequency oscillation, to generate ultrasonic wave, ultrasonic atomizatio tobacco tar or other liquid generate smog and suck for user.
Existing ultrasonic atomization piece has the disadvantages that in use
First, it is fragile so as to cause the central area of protective layer since the amplitude of ultrasonic atomization piece central area is larger
It splits or damaged, ultrasonic atomization piece service life is short, and after protective layer rupture or breakage, first electrode layer is exposed, and drain part is straight
It connects and is contacted with first electrode layer, be also easy to produce harmful substance, while protective layer rupture or the damaged clast generated are easily sucked by user,
It is detrimental to health.
Second, since the amplitude of ultrasonic atomization piece central area is larger, so as to cause ultrasonic atomization piece central area
Temperature it is higher, be easy drain part is burnt and generates harmful substance, drain part service life is short, increases use cost and danger
Evil human health.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, a kind of ultrasonic atomization piece is provided, wherein
Heart district domain amplitude is smaller, and temperature is lower, and protective layer central area is not easily broken or breakage, is not likely to produce harmful substance, uses the longevity
Life length, use cost is low, more health environment-friendly.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of ultrasonic atomization piece, including piezoelectric base unit, the first electrode layer that is fixedly arranged on one side surface of piezoelectric base unit, fixed
The second electrode lay in another side surface of piezoelectric base unit, first electrode layer outer surface are installed with the first protective layer；Its design feature
Being further includes the second protective layer for being fixedly arranged on the first protective layer central area.
By above structure, since the central area of piezoelectric base unit is provided with the first protective layer and the second protective layer, relatively
One first protective layer is only set in the prior art, increases the intensity of the first protective layer central area and the second protective layer,
So that the first protective layer and the second protective layer are not easily broken or damaged, ultrasonic atomization piece long service life, reduces human body and suck
It is ruptured to protective layer or the probability of the damaged clast generated, the rupture of reduction protective layer or breakage causes the liquid in drain part direct
Concurrent biochemical reaction is contacted with first electrode layer and generates the probability of harmful substance.
Second protective layer is fixedly arranged on the outer surface of the first protective layer, and the second protective layer as a preferred method,
It is identical or different with the material of the first protective layer；Alternatively, second protective layer is fixedly arranged in the first protective layer, and the second protection
Layer is different from the material of the first protective layer.
When the second protective layer is fixedly arranged on the outer surface of the first protective layer, the thickness of ultrasonic atomization piece central area is greater than
The position that the thickness at edge, i.e. ultrasonic atomization piece surface are equipped with the second protective layer forms protrusion, and (protrusion can be solid convex
Rise or hollow protrusion), which can reinforce the intensity of ultrasonic atomization piece corresponding position, to prevent ultrasonic atomization piece
Central area, which is shaken, during the higher-order of oscillation splits or damaged.Further, since the thickness of ultrasonic atomization piece central area
Increase, so that oscillation intensity weakens, central area rupture or damaged can be further prevented.Since oscillation intensity weakens, thus super
The temperature of sound wave atomizing piece central area is lower, is not easy to burn and generate harmful substance drain part when in use, drain part makes
It is long with the service life, reduce use cost and health environment-friendly.Furthermore since ultrasonic atomization piece central area thickness is thicker, so
Heat transfer speed is slower, it is not easy to which burn or shake the rotten drain part being in contact with it, and promotes atomizing effect.
When the second protective layer is fixedly arranged in the first protective layer, the second protective layer can reinforce the center of the first protective layer
Domain prevents its rupture or damaged to reinforce the protection to ultrasonic atomization piece central area.
The second protective layer area is the 1/10 ~ 1/2 of the first protective layer area as a preferred method, it is preferable that second
Protective layer area is the 1/5 ~ 1/3 of the first protective layer area, can take into account the atomization and service life of ultrasonic atomization piece,
User experience is promoted, use cost is reduced.
The first protective layer material is glass glaze as a preferred method, and the second protective layer material is glass
One of glaze, stainless steel, macromolecule cotton net are a variety of.
Second protective layer is integrally formed or is fixedly connected with the first protective layer as a preferred method,.
First protective layer can be formed with the second protective layer with separate machined, for example first form the first protective layer, reshaping
Then first protective layer and the second protective layer are adhesively fixed or inlay fixation by two protective layers.Or directly second can be protected
Sheath is set to the first protective layer central area by techniques such as plating, printings.
When the second protective layer is set in the first protective layer, the first protective layer can also be integrally formed with the second protective layer,
For example the second protection is placed in the first protective layer when the first protective layer is in half curdled appearance, then high temperature sintering, makes
First protective layer and the second protective layer one coagulation forming.
The thickness of the piezoelectric base unit is uniform as a preferred method, and is plate；Alternatively, the piezoelectric base unit
Thickness is uniform and is cabochon, and first electrode layer is fixedly arranged on the medial surface of cabochon piezoelectric base unit, and the second electrode lay is fixedly arranged on
The lateral surface of cabochon piezoelectric base unit.
First protective layer, the second protective layer, first electrode layer, the second electrode lay as a preferred method,
Thickness be to be uniformly arranged.
As another preferred embodiment, first protective layer, first electrode layer, the second electrode lay three thickness be
It is uniformly arranged；Second protective layer thickness is successively decreased from center to edge.
As a preferred method, the first protective layer with a thickness of 5 microns ~ 50 microns, the second protective layer with a thickness of 10
Micron ~ 30 microns.
Compared with prior art, the utility model central area is not easily broken or damaged, is not easy to burn drain part and generate
Harmful substance, long service life, use cost is low, more health environment-friendly.
Detailed description of the invention
Fig. 1 is the top view of the utility model embodiment one.
Fig. 2 is the bottom view of the utility model embodiment one.
Fig. 3 is the sectional view of the utility model embodiment one.
Fig. 4 is the enlarged drawing in the portion A in Fig. 3.
Fig. 5 is the structural schematic diagram of the utility model embodiment two.
Fig. 6 is the structural schematic diagram of the utility model embodiment three.
Fig. 7 is the enlarged drawing in the portion B in Fig. 6.
Fig. 8 is the structural schematic diagram of the utility model embodiment four.
Wherein, 202 be ultrasonic atomization piece, and 2021 be piezoelectric base unit, and 2022 be first electrode layer, and 20222 be extension,
2023 be the second electrode lay, and 2024 be the first protective layer, and 2028 be the second protective layer.
Specific embodiment
Embodiment one
As shown in Figures 1 to 4,202 embodiment one of ultrasonic atomization piece includes piezoelectric base unit 2021, is fixedly arranged on piezoelectric base unit
The first electrode layer 2022 of 2021 1 side surfaces, the second electrode lay 2023 for being fixedly arranged on another side surface of piezoelectric base unit 2021.Institute
Stating 2021 material of piezoelectric base unit is piezoelectric ceramics.The first electrode layer 2022 and the second electrode lay 2023 are silver layer.First
Electrode layer 2022 and the second electrode lay 2023 use the techniques such as plating, printing to be set to 2021 side surface of piezoelectric base unit.Described first
The extension 20222 that there is electrode layer 2022 bending to extend to the corresponding side surface of the second electrode lay 2023 on piezoelectric base unit 2021,
It is easy to implement and is electrically connected with external power supply.
2022 outer surface of first electrode layer is installed with the first protective layer 2024；It further include being fixedly arranged in the first protective layer 2024
Second protective layer 2028 in heart district domain.
Since the central area of piezoelectric base unit 2021 is provided with the first protective layer 2024 and the second protective layer 2028, relative to
It is in the prior art that one first protective layer 2024 is only set, increase 2024 central area of the first protective layer and the second protective layer
2028 intensity, so that the first protective layer 2024 and the second protective layer 2028 are not easily broken or breakage, ultrasonic atomization piece 202 make
It is long with the service life, the probability that human body sucks the rupture of protective layer 2024,2028 or the damaged clast generated is reduced, protective layer is reduced
2024,2028 ruptures or it is damaged cause the liquid in drain part directly contact concurrent biochemical reaction with first electrode layer 2022 and
Generate the probability of harmful substance.
Second protective layer 2028 is fixedly arranged on the outer surface of the first protective layer 2024, and the second protective layer 2028 and first
The material of protective layer 2024 is identical or different.
In example 1, the second protective layer 2028 is fixedly arranged on the outer surface of the first protective layer 2024, ultrasonic atomization piece
The thickness of 202 central areas is greater than the thickness at edge, i.e. position of 202 surface of ultrasonic atomization piece equipped with the second protective layer 2028
Protrusion is formed, in example 1, which is solid projection, and the protrusion may be hollow protrusion, in the accompanying drawings non-body
It is existing, but have no effect on understanding and realization of the those skilled in the art to the utility model.
The protrusion can reinforce the intensity of 202 corresponding position of ultrasonic atomization piece, to prevent ultrasonic atomization piece
202 during the higher-order of oscillation central area shaken and split or damaged.Further, since 202 central area of ultrasonic atomization piece
Thickness increase, so that oscillation intensity weakens, central area can be further prevented to rupture or damaged.Since oscillation intensity weakens,
To which the temperature of 202 central area of ultrasonic atomization piece is lower, atomizing effect is weaker, is not easy to burn drain part when in use
And harmful substance is generated, drain part long service life reduces use cost and health environment-friendly.Furthermore due to ultrasonic atomization
202 central area thickness of piece is thicker, so heat transfer speed is slower, it is not easy to and burn or shake the rotten drain part being in contact with it,
Promote atomizing effect.
Second protective layer, 2028 area is the 1/10 ~ 1/2 of 2024 area of the first protective layer, it is preferable that the second protective layer
2028 areas are the 1/5 ~ 1/3 of 2024 area of the first protective layer, can take into account the atomization and use of ultrasonic atomization piece 202
Service life promotes user experience, reduces use cost.
First protective layer, 2024 material is glass glaze, and 2028 material of the second protective layer is corrosion-and high-temp-resistant
One of material for example glass glaze, stainless steel, macromolecule cotton net is a variety of.
Second protective layer 2028 is integrally formed or is fixedly connected with the first protective layer 2024.
First protective layer 2024 can be formed with the second protective layer 2028 with separate machined, for example first form the first protective layer
2024, then the first protective layer 2024 and the second protective layer 2028 are adhesively fixed or are inlayed by the second protective layer of reshaping 2028
It is fixed.Or the second protective layer 2024 directly can be set to 2028 center of the first protective layer by techniques such as plating, printings
Domain.
When the second protective layer 2028 is identical with 2024 material of the first protective layer, the first protective layer 2024 and the second protective layer
2028 can also be integrally formed.
The thickness of the piezoelectric base unit 2021 is uniform and is plate.
First protective layer 2024, first electrode layer 2022,2023 three of the second electrode lay thickness be uniformly to set
It sets；Second protective layer, 2028 thickness is successively decreased from center to edge.In addition, the thickness of the second protective layer 2028 can also uniformly be set
It sets, this kind of situation is not shown in the accompanying drawings, but has no effect on understanding and reality of the those skilled in the art to the utility model
It is existing.
First protective layer 2024 with a thickness of 5 microns ~ 50 microns, the second protective layer 2028 it is micro- with a thickness of 10 microns ~ 30
Rice.That is, the thickness of 202 central area of ultrasonic atomization piece is than the existing ultrasonic atomization piece 202 for not adding the second protective layer 2028
Thickness wants 10 microns ~ 30 microns thick.
Embodiment two
As shown in figure 5,202 embodiment two of ultrasonic atomization piece repeats embodiment one, difference is, the piezoelectric base unit
2021 thickness is uniform and is cabochon, and first electrode layer 2022 is fixedly arranged on the medial surface of cabochon piezoelectric base unit 2021, the
Two electrode layers 2023 are fixedly arranged on the lateral surface of cabochon piezoelectric base unit 2021.
In example 2, since 202 medial surface of ultrasonic atomizatio piece being in contact with drain part is the cambered surface with gradient,
Thus drain fast speed, the speed that atomization produces cigarette is also fast, more abundant to liquid atomization, and amount of smoke is bigger.
Embodiment three
As shown in Figure 6 to 7,202 embodiment three of ultrasonic atomization piece includes piezoelectric base unit 2021, is fixedly arranged on piezoelectric base unit
The first electrode layer 2022 of 2021 1 side surfaces, the second electrode lay 2023 for being fixedly arranged on another side surface of piezoelectric base unit 2021.Institute
Stating 2021 material of piezoelectric base unit is piezoelectric ceramics.The first electrode layer 2022 and the second electrode lay 2023 are silver layer.First
Electrode layer 2022 and the second electrode lay 2023 use the techniques such as plating, printing to be set to 2021 side surface of piezoelectric base unit.Described first
The extension 20222 that there is electrode layer 2022 bending to extend to the corresponding side surface of the second electrode lay 2023 on piezoelectric base unit 2021,
It is easy to implement and is electrically connected with external power supply.
2022 outer surface of first electrode layer is installed with the first protective layer 2024；It further include being fixedly arranged in the first protective layer 2024
Second protective layer 2028 in heart district domain.
Since the central area of piezoelectric base unit 2021 is provided with the first protective layer 2024 and the second protective layer 2028, relative to
It is in the prior art that one first protective layer 2024 is only set, increase 2024 central area of the first protective layer and the second protective layer
2028 intensity, so that the first protective layer 2024 and the second protective layer 2028 are not easily broken or breakage, ultrasonic atomization piece 202 make
It is long with the service life, the probability that human body sucks the rupture of protective layer 2024,2028 or the damaged clast generated is reduced, protective layer is reduced
2024,2028 ruptures or it is damaged cause the liquid in drain part directly contact concurrent biochemical reaction with first electrode layer 2022 and
Generate the probability of harmful substance.
Second protective layer 2028 is fixedly arranged in the first protective layer 2024, and the second protective layer 2028 and the first protective layer
2024 material is different.
In the third embodiment, when the second protective layer 2028 is fixedly arranged in the first protective layer 2024, the second protective layer 2028 can
The central area of the first protective layer 2024 is reinforced, to reinforce the protection to 202 central area of ultrasonic atomization piece, prevents it broken
It splits or damaged.
Second protective layer, 2028 area is the 1/10 ~ 1/2 of 2024 area of the first protective layer, it is preferable that the second protective layer
2028 areas are the 1/5 ~ 1/3 of 2024 area of the first protective layer, can take into account the atomization and use of ultrasonic atomization piece 202
Service life promotes user experience, reduces use cost.
First protective layer, 2024 material is glass glaze, and 2028 material of the second protective layer is corrosion-and high-temp-resistant
One of material such as stainless steel, macromolecule cotton net is a variety of, is convenient for and the integrated coagulation forming of the first protective layer 2024.
Second protective layer 2028 and the first protective layer 2024 are integrally formed.Half curdled appearance is in the first protective layer 2024
When the second protective layer 2028 is placed in the first protective layer 2024, then high temperature sintering protects the first protective layer 2024 and second
The integrated coagulation forming of sheath 2028.
The thickness of the piezoelectric base unit 2021 is uniform and is plate.
First protective layer 2024, first electrode layer 2022,2023 three of the second electrode lay thickness be uniformly to set
It sets；Second protective layer, 2028 thickness is successively decreased from center to edge.In addition, the thickness of the second protective layer 2028 can also uniformly be set
It sets, this kind of situation is not shown in the accompanying drawings, but has no effect on understanding and reality of the those skilled in the art to the utility model
It is existing.
First protective layer 2024 with a thickness of 5 microns ~ 50 microns, the second protective layer 2028 it is micro- with a thickness of 10 microns ~ 30
Rice.
Example IV
As shown in figure 8,202 example IV of ultrasonic atomization piece repeats embodiment three, difference is, the piezoelectric base unit
2021 thickness is uniform and is cabochon, and first electrode layer 2022 is fixedly arranged on the medial surface of cabochon piezoelectric base unit 2021, the
Two electrode layers 2023 are fixedly arranged on the lateral surface of cabochon piezoelectric base unit 2021.
In example IV, since 202 medial surface of ultrasonic atomizatio piece being in contact with drain part is the cambered surface with gradient,
Thus drain fast speed, the speed that atomization produces cigarette is also fast, more abundant to liquid atomization, and amount of smoke is bigger.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than limitation, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection scope of the utility model.
Claims (10)
1. a kind of ultrasonic atomization piece including piezoelectric base unit (2021), is fixedly arranged on the first of (2021) one side surface of piezoelectric base unit
Electrode layer (2022), the second electrode lay (2023) for being fixedly arranged on piezoelectric base unit (2021) another side surface, first electrode layer
(2022) outer surface is installed with the first protective layer (2024)；It is characterized in that, further including being fixedly arranged in the first protective layer (2024)
Second protective layer (2028) in heart district domain.
2. ultrasonic atomization piece as described in claim 1, which is characterized in that
Second protective layer (2028) is fixedly arranged on the outer surface of the first protective layer (2024), and the second protective layer (2028) and the
The material of one protective layer (2024) is identical or different；
Alternatively,
Second protective layer (2028) is fixedly arranged in the first protective layer (2024), and the second protective layer (2028) and the first protection
The material of layer (2024) is different.
3. ultrasonic atomization piece as claimed in claim 2, which is characterized in that the second protective layer (2028) area is the first protection
The 1/10 ~ 1/2 of layer (2024) area.
4. ultrasonic atomization piece as claimed in claim 3, which is characterized in that the second protective layer (2028) area is the first protection
The 1/5 ~ 1/3 of layer (2024) area.
5. ultrasonic atomization piece as claimed in claim 2, which is characterized in that the first protective layer (2024) material is glass
Glaze, second protective layer (2028) are that material is one of glass glaze, stainless steel, macromolecule cotton net or a variety of.
6. ultrasonic atomization piece as claimed in claim 2, which is characterized in that second protective layer (2028) and the first protection
Layer (2024) is integrally formed or is fixedly connected.
7. ultrasonic atomization piece as claimed in claim 2, which is characterized in that
The thickness of the piezoelectric base unit (2021) is uniform and is plate；
Alternatively,
The thickness of the piezoelectric base unit (2021) is uniform and is cabochon, and first electrode layer (2022) is fixedly arranged on cabochon piezoelectricity
The medial surface of matrix (2021), the second electrode lay (2023) are fixedly arranged on the lateral surface of cabochon piezoelectric base unit (2021).
8. ultrasonic atomization piece as described in any one of claim 1 to 7, which is characterized in that first protective layer (2024),
Second protective layer (2028), first electrode layer (2022), the second electrode lay (2023) four thickness be to be uniformly arranged.
9. ultrasonic atomization piece as described in any one of claim 1 to 7, which is characterized in that first protective layer (2024),
First electrode layer (2022), the second electrode lay (2023) three thickness be to be uniformly arranged；Second protective layer (2028) thickness
Successively decreased from center to edge.
10. ultrasonic atomization piece as described in any one of claim 1 to 7, which is characterized in that the thickness of the first protective layer (2024)
Degree be 5 microns ~ 50 microns, the second protective layer (2028) with a thickness of 10 microns ~ 30 microns.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762873.6U CN209061458U (en) | 2018-10-29 | 2018-10-29 | A kind of ultrasonic atomization piece |
| PCT/CN2019/112928 WO2020088337A1 (en) | 2018-10-29 | 2019-10-24 | Ultrasonic atomizing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762873.6U CN209061458U (en) | 2018-10-29 | 2018-10-29 | A kind of ultrasonic atomization piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209061458U true CN209061458U (en) | 2019-07-05 |
Family
ID=67096618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762873.6U Active CN209061458U (en) | 2018-10-29 | 2018-10-29 | A kind of ultrasonic atomization piece |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209061458U (en) |
| WO (1) | WO2020088337A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088337A1 (en) * | 2018-10-29 | 2020-05-07 | 湖南中烟工业有限责任公司 | Ultrasonic atomizing sheet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4314061B2 (en) * | 2003-05-08 | 2009-08-12 | 株式会社フコク | Ultrasonic vibrator control device and ultrasonic atomizer using the same |
| CN203610261U (en) * | 2013-12-26 | 2014-05-28 | 佛山市粤峤陶瓷技术创新服务中心 | Supersonic atomizing energy conversion sheet |
| CN203886734U (en) * | 2014-04-02 | 2014-10-22 | 佛山市粤峤陶瓷技术创新服务中心 | Piezoelectric ceramic atomization transduction piece |
| CN205833498U (en) * | 2016-08-01 | 2016-12-28 | 广州市荟普新材料有限公司 | A kind of corrosion-resistant ultrasonic transducer atomizing piece |
| CN107282359B (en) * | 2017-08-14 | 2023-04-14 | 湖南嘉业达电子有限公司 | Piezoelectric ceramic atomizing sheet |
| CN207914020U (en) * | 2018-02-02 | 2018-09-28 | 深圳市恒升电子材料有限公司 | A kind of corrosion resistant micropore atomization piece |
| CN209061458U (en) * | 2018-10-29 | 2019-07-05 | 湖南中烟工业有限责任公司 | A kind of ultrasonic atomization piece |
-
2018
- 2018-10-29 CN CN201821762873.6U patent/CN209061458U/en active Active
-
2019
- 2019-10-24 WO PCT/CN2019/112928 patent/WO2020088337A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088337A1 (en) * | 2018-10-29 | 2020-05-07 | 湖南中烟工业有限责任公司 | Ultrasonic atomizing sheet |
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| WO2020088337A1 (en) | 2020-05-07 |
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