CN111662084A - 3D prints leadless piezoceramics atomizing piece - Google Patents
3D prints leadless piezoceramics atomizing piece Download PDFInfo
- Publication number
- CN111662084A CN111662084A CN202010497310.4A CN202010497310A CN111662084A CN 111662084 A CN111662084 A CN 111662084A CN 202010497310 A CN202010497310 A CN 202010497310A CN 111662084 A CN111662084 A CN 111662084A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric ceramic
- sheet
- lead
- piece
- leadless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 69
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 238000010146 3D printing Methods 0.000 claims abstract description 19
- 238000000889 atomisation Methods 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- FSAJRXGMUISOIW-UHFFFAOYSA-N bismuth sodium Chemical compound [Na].[Bi] FSAJRXGMUISOIW-UHFFFAOYSA-N 0.000 claims description 2
- 229910002115 bismuth titanate Inorganic materials 0.000 claims description 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
-
- 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
- B05B17/0607—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 generated by electrical means, e.g. piezoelectric transducers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/475—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on bismuth titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5116—Ag or Au
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Special Spraying Apparatus (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The 3D printing lead-free piezoelectric ceramic atomization piece provided by the invention comprises a 3D printing lead-free piezoelectric ceramic piece with electrode layers attached to the upper surface and the lower surface, and a metal piece with an atomization hole, wherein the metal piece is tightly attached to a specially designed structure of the lead-free piezoelectric ceramic piece through a bonding agent. According to the invention, the lead-free piezoelectric ceramic sheet with a complex structure, high dimensional accuracy and excellent piezoelectric performance is obtained through a 3D printing technology, the metal sheet is tightly attached to the lead-free piezoelectric ceramic sheet on the bonding surface and in the radial direction by utilizing the groove structure of the ceramic sheet, the weight of the metal sheet is reduced by the structure, the energy required by the piezoelectric ceramic sheet to drive the metal sheet to vibrate is reduced, and meanwhile, the ceramic sheet and the metal sheet are tightly combined, so that the kinetic energy transfer efficiency is further improved, and the fog output is improved.
Description
Technical Field
The invention relates to a piezoelectric ceramic atomizing sheet, in particular to a 3D printing lead-free piezoelectric ceramic atomizing sheet, and belongs to the technical field of piezoelectric elements.
Background
The atomizer is a simple and convenient low-power atomizing device, is widely applied to the field of medical spraying at present, and along with the improvement of the living standard of human beings, the demand of the atomizer in the domestic fields of humidification, aroma and the like is more and more extensive.
The piezoelectric atomization sheet is a core element of an atomizer, and the piezoelectric ceramics used by the piezoelectric atomization sheet at present are mainly lead zirconate titanate (PZT) ceramic materials. Because the lead-containing material has great harm to human bodies and the environment, the lead-free piezoelectric material is urgently needed to replace the existing lead-containing piezoelectric material for sustainable development of human beings and the environment.
Ceramic 3D printing technology is becoming mature day by day, because 3D prints and does not need the ceramic components and parts that the mould just can the shaping complex construction, has characteristics such as easy operation, process speed are fast, shaping precision is high, and ceramic 3D printing technology is in the middle of more and more extensively using ceramic product's preparation.
Disclosure of Invention
The technical problem to be solved by the invention is to prepare the lead-free piezoelectric ceramic atomizing sheet with a complex structure by using a 3D printing technology and simultaneously improve the atomizing effect of the lead-free piezoelectric atomizing sheet.
The technical scheme adopted by the invention is as follows:
in order to achieve the purpose, the invention provides a 3D printing lead-free piezoelectric ceramic atomization sheet which comprises a 3D printing lead-free piezoelectric ceramic sheet and a metal sheet, wherein electrode layers are attached to the upper surface and the lower surface of the 3D printing lead-free piezoelectric ceramic sheet, the metal sheet is provided with atomization holes, and the metal sheet is tightly attached to a specially designed groove of the lead-free piezoelectric ceramic sheet through an adhesive.
The leadless piezoelectric ceramic sheet can be potassium sodium niobate-based leadless piezoelectric ceramic, sodium bismuth titanate-based leadless piezoelectric ceramic and the like.
The piezoelectric ceramic plate is in a step ring shape.
Preferably, the outer diameter of the piezoelectric ceramic plate is 8mm-40mm, the middle diameter is 2mm-25mm, and the inner diameter is 1mm-16 mm.
The thickness of the piezoelectric ceramic plate is 0.05mm-2 mm.
The shape of the metal sheet can be round or square and other special shapes.
Preferably, the metal sheet is circular and has a diameter of 10 mm.
The thickness of the metal sheet is 0.02mm-1.5 mm.
The atomization hole structure of the metal sheet can be cylindrical or square and other special-shaped structures.
The manufacturing method of the 3D printing lead-free piezoelectric ceramic atomization sheet comprises the following steps.
(a) And forming a green body of the piezoelectric ceramic sheet on a 3D printer by using the lead-free piezoelectric ceramic slurry.
(b) And degreasing and sintering the green body of the piezoelectric ceramic piece in a sintering furnace.
(c) And finely grinding the sintered piezoelectric ceramic piece to obtain the piezoelectric ceramic piece with a specific size.
(d) And coating full electrodes on the upper and lower surfaces of the piezoelectric ceramic plate respectively.
(e) And polarizing the piezoelectric ceramic piece to obtain piezoelectric performance.
(f) Coating a layer of adhesive on the grooves of the piezoelectric ceramic pieces, horizontally placing the surface with the adhesive upwards, assembling the metal sheets in the grooves, and applying proper pressure to press the metal sheets and the piezoelectric ceramic pieces below the metal sheets together.
(g) And heating the atomization sheet to cure the adhesive.
Further, the material of the metal sheet is nickel alloy or stainless steel material, etc.
Drawings
FIG. 1 is an overall structure of a lead-free piezoelectric ceramic atomizing sheet;
FIG. 2 is a metal sheet;
FIG. 3 is a piezoelectric ceramic wafer;
FIG. 4 is a cross-sectional view of a lead-free piezoelectric ceramic atomizing sheet;
the following description is made with reference to the accompanying drawings:
1 is a metal sheet;
101 is the outer diameter of the metal sheet;
102 is an atomization hole area of the metal sheet;
2 is the electrode surface of the piezoelectric ceramic plate;
3 is a piezoelectric ceramic piece;
301 is the outer diameter of the piezoelectric ceramic piece;
302 is the middle diameter of the piezoelectric ceramic piece;
303 is the inner diameter of the piezoelectric ceramic piece;
4 is an adhesive layer;
and 5, the other electrode surface of the piezoelectric ceramic plate.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific embodiments: this embodiment is merely one basic embodiment of the invention, and not all embodiments.
As shown in figure 1, the lead-free piezoelectric ceramic atomizing sheet for 3D printing adopts potassium sodium niobate-based lead-free piezoelectric ceramic.
The piezoelectric ceramic plate is in a step-type circular ring shape, as shown in fig. 3, the outer diameter of the circular ring is 20mm, the middle diameter of the circular ring is 10mm, and the inner diameter of the circular ring is 6 mm.
The thickness of the piezoelectric ceramic plate is 0.5 mm.
The metal sheet is circular, as shown in fig. 2, with a diameter of 10 mm.
The thickness of the metal sheet is 0.3 mm.
The atomization hole structure of the metal sheet is square.
The manufacturing method of the 3D printing lead-free piezoelectric ceramic atomization sheet comprises the following steps.
(a) And forming a piezoelectric ceramic piece green body on a 3D printer by using the potassium-sodium niobate-based lead-free piezoelectric ceramic slurry.
(b) And degreasing and sintering the green body of the piezoelectric ceramic piece in a sintering furnace.
(c) And finely grinding the sintered piezoelectric ceramic sheet to obtain the piezoelectric ceramic sheet with the thickness of 0.5 mm.
(d) And coating full electrodes on the upper surface and the lower surface of the piezoelectric ceramic plate respectively, wherein the electrode material is silver.
(e) And polarizing the piezoelectric ceramic piece to obtain piezoelectric performance.
(f) Coating a layer of adhesive on the groove of the piezoelectric ceramic piece, horizontally placing the surface with the adhesive upwards, assembling the metal piece in the groove, and applying proper pressure to press the metal piece and the piezoelectric ceramic piece below the metal piece together.
(g) And heating the atomized sheet in an oven to cure the binder.
Further, the material of the metal sheet is stainless steel material.
Claims (6)
1. The utility model provides a 3D prints leadless piezoceramics atomizing piece, includes that the upper and lower surface adheres to the 3D who has the electrode layer and prints leadless piezoceramics piece to and have the sheetmetal in atomizing hole, the sheetmetal hugs closely in leadless piezoceramics piece specific design's recess through the adhesive.
2. The 3D printing lead-free piezoelectric ceramic atomizing sheet according to claim 1, characterized in that: the piezoelectric ceramic piece is formed through a ceramic 3D printing technology.
3. The 3D printing lead-free piezoelectric ceramic atomizing sheet according to claim 1, characterized in that: the metal sheet is made of nickel alloy or stainless steel.
4. The 3D printing lead-free piezoelectric ceramic atomizing sheet according to claim 1, characterized in that: the shape of the metal sheet can be round or square and other special shapes.
5. The 3D printing lead-free piezoelectric ceramic atomizing sheet according to claim 1, characterized in that: the atomization hole structure of the metal sheet can be cylindrical or square and other special-shaped structures.
6. The 3D printing lead-free piezoelectric ceramic atomizing sheet according to claim 1, characterized in that: the leadless piezoelectric ceramic sheet can be potassium sodium niobate-based leadless piezoelectric ceramic, sodium bismuth titanate-based leadless piezoelectric ceramic and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010497310.4A CN111662084A (en) | 2020-06-04 | 2020-06-04 | 3D prints leadless piezoceramics atomizing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010497310.4A CN111662084A (en) | 2020-06-04 | 2020-06-04 | 3D prints leadless piezoceramics atomizing piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111662084A true CN111662084A (en) | 2020-09-15 |
Family
ID=72385901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010497310.4A Pending CN111662084A (en) | 2020-06-04 | 2020-06-04 | 3D prints leadless piezoceramics atomizing piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111662084A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714022A (en) * | 2021-09-26 | 2021-11-30 | 佛山市科日压电器件有限公司 | Laminated atomizing sheet and atomizing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009007182A (en) * | 2007-06-26 | 2009-01-15 | Taiheiyo Cement Corp | Sintering aid for lead-free piezoelectric ceramic, lead-free piezoelectric ceramic, and method for production of the ceramic |
| CN201287101Y (en) * | 2008-09-27 | 2009-08-12 | 微邦科技股份有限公司 | Atomization device with encapsulation structure and fixation structure |
| CN109650887A (en) * | 2019-01-23 | 2019-04-19 | 南京航空航天大学 | A kind of preparation method of the lead free piezoelectric ceramics of potassium sodium niobate of Stereolithography |
| CN111151434A (en) * | 2020-02-29 | 2020-05-15 | 桐乡清锋科技有限公司 | Low-frequency leadless piezoelectric atomization element |
| CN210647005U (en) * | 2019-08-12 | 2020-06-02 | 桐乡清锋科技有限公司 | Microporous atomizing sheet adopting potassium-sodium niobate leadless piezoelectric ceramic technology |
-
2020
- 2020-06-04 CN CN202010497310.4A patent/CN111662084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009007182A (en) * | 2007-06-26 | 2009-01-15 | Taiheiyo Cement Corp | Sintering aid for lead-free piezoelectric ceramic, lead-free piezoelectric ceramic, and method for production of the ceramic |
| CN201287101Y (en) * | 2008-09-27 | 2009-08-12 | 微邦科技股份有限公司 | Atomization device with encapsulation structure and fixation structure |
| CN109650887A (en) * | 2019-01-23 | 2019-04-19 | 南京航空航天大学 | A kind of preparation method of the lead free piezoelectric ceramics of potassium sodium niobate of Stereolithography |
| CN210647005U (en) * | 2019-08-12 | 2020-06-02 | 桐乡清锋科技有限公司 | Microporous atomizing sheet adopting potassium-sodium niobate leadless piezoelectric ceramic technology |
| CN111151434A (en) * | 2020-02-29 | 2020-05-15 | 桐乡清锋科技有限公司 | Low-frequency leadless piezoelectric atomization element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714022A (en) * | 2021-09-26 | 2021-11-30 | 佛山市科日压电器件有限公司 | Laminated atomizing sheet and atomizing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201135950Y (en) | Sandwich type piezoelectric ceramics ultrasound atomizer plate | |
| CN107752129B (en) | Ultrasonic atomization sheet and manufacturing method thereof, ultrasonic atomizer and electronic cigarette | |
| JP4356268B2 (en) | Fuel injection device | |
| US20060119220A1 (en) | Hollow laminated piezoelectric element and its manufacturing method | |
| CN111662084A (en) | 3D prints leadless piezoceramics atomizing piece | |
| CN108963068B (en) | Torsional vibration magnetoelectric coupling device based on Wedman effect and manufacturing method thereof | |
| CN101714607B (en) | Piezoelectric ceramic element of metal aluminium electrode and preparation method thereof | |
| CN210647005U (en) | Microporous atomizing sheet adopting potassium-sodium niobate leadless piezoelectric ceramic technology | |
| CN111570172A (en) | Radial porous fog 3D printing leadless piezoelectric ceramic atomization sheet | |
| CN111436666A (en) | Porous liquid-guiding heating atomization assembly with supporting shell and preparation method thereof | |
| CN110193442A (en) | A kind of mesh-type ultrasonic atomization piece and manufacturing process | |
| CN113560110B (en) | Ceramic-metal composite atomizing sheet and preparation method thereof | |
| CN204035001U (en) | A kind of high-speed electric main shaft general rotary ultrasonic transducer assembly | |
| CN103223389A (en) | Piezoceramic ultrasonic atomizer | |
| CN102522491A (en) | Polymer device with driving and sensing capability, preparation thereof and application thereof | |
| CN108400231A (en) | The manufacturing method of ultrasonic sensor and ultrasonic sensor | |
| CN201076844Y (en) | Piezo-electric ceramic atomization slice | |
| CN216135171U (en) | Piezoelectric ceramic piece and electronic atomization device | |
| CN203598991U (en) | Piezoceramic atomizer | |
| CN115606876A (en) | Atomizing core preparation method and electronic cigarette atomizer | |
| CN110205577A (en) | A kind of ceramic on metal combined resistance heating coating and preparation method | |
| CN202942998U (en) | Piezoelectric ceramic ultrasonic atomization piece | |
| CN112885950A (en) | Method for manufacturing micro thermoelectric device by using 3D printing technology | |
| CN107068852A (en) | It is a kind of applied to magnetic electric compound material of energy acquisition and preparation method thereof | |
| CN113783469B (en) | Miniature piezoelectric thick film vibrator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200915 |