CN205452357U - Piezoelectric monocrystal piece - Google Patents
Piezoelectric monocrystal piece Download PDFInfo
- Publication number
- CN205452357U CN205452357U CN201620209185.1U CN201620209185U CN205452357U CN 205452357 U CN205452357 U CN 205452357U CN 201620209185 U CN201620209185 U CN 201620209185U CN 205452357 U CN205452357 U CN 205452357U
- Authority
- CN
- China
- Prior art keywords
- piezoelectric
- monocrystal sheet
- patches
- egative
- sheet
- 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.)
- Withdrawn - After Issue
Links
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000000084 colloidal system Substances 0.000 claims abstract description 12
- 229910052594 sapphire Inorganic materials 0.000 claims description 14
- 239000010980 sapphire Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- FGBJXOREULPLGL-UHFFFAOYSA-N ethyl cyanoacrylate Chemical compound CCOC(=O)C(=C)C#N FGBJXOREULPLGL-UHFFFAOYSA-N 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- -1 pottery Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 13
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004647 photon scanning tunneling microscopy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model discloses a piezoelectric monocrystal piece belongs to and presses electrical component technical field. The technical scheme of the utility model main points do: a piezoelectric monocrystal piece, includes two parallel arrangement's film and sets up piezoelectric patches and the non -piezoelectric material supporter between two films, and wherein the piezoelectric patches passes through the colloid vertical fixation between two films, and this piezoelectric patches is thickness direction or radial polarized 's piezoelectric patches. The utility model discloses easily preparation, structural stability is strong, application scope is wide, the cost is lower and functional, has extensive application prospect receiving manipulation and control field a little.
Description
Technical field
This utility model belongs to piezo component technical field, is specifically related to a kind of piezoelectric monocrystal sheet.
Background technology
Along with the fast development of nanosecond science and technology, the application of piezoelectric device is increasingly extensive, and piezoelectric monocrystal sheet plays purposes widely too as the important devices in piezoelectric device.The operation principle of existing piezoelectric monocrystal sheet is: piezoelectric patches is under the effect of alternating driving signal, can be in elongated lengthwise or contraction, and the non-piezoelectric material supporter bonded together with it is not owing to having piezoelectric effect, length keeps constant, therefore, piezoelectric patches bends under the pulling force effect of non-piezoelectric material supporter, and then overall structure can bend under the drive of piezoelectric patches.
Existing piezoelectric monocrystal sheet generally uses the widest with non-piezoelectric material supporter for piezoelectric patches complete bonding method, certain thickness and uniform adhesive linkage is coated between piezoelectric patches and non-piezoelectric material supporter, but it is higher that the method coats uniform technological requirement to the thickness of adhesive linkage, there is following weak point: (1) is easy to cause thickness of adhibited layer uneven due to improper process control, and then affects the performance of piezoelectric device；(2) it is easy to produce due to improper process control bubble in adhesive linkage, thus probably produces ultra-weak electronic signal, cause piezoelectric device to lose efficacy；(3) if existing piezoelectric monocrystal sheet needs piezoelectric patches together with metal adhesive, in order to avoid short circuit, the bonded adhesives used by centre is necessary for insulating cement, and selection is very restricted.Therefore, for existing piezoelectric monocrystal sheet, its technique made has also needed to further raising.In project approval number it is: under the support of the state natural sciences fund " improvement of supper-fast PSTM and application " of 11304082, this patent proposes a kind of novel piezoelectric monocrystal sheet.
Summary of the invention
This utility model solve the technical problem that there is provided a kind of be prone to make, structural stability is strong, applied widely, cost is relatively low and the piezoelectric monocrystal sheet of function admirable.
This utility model adopts the following technical scheme that for solving above-mentioned technical problem, a kind of piezoelectric monocrystal sheet, it is characterized in that including two egative films be arrangeding in parallel and being arranged at the piezoelectric patches between two egative films and non-piezoelectric material supporter, wherein piezoelectric patches is perpendicularly fixed between two egative films by colloid, and this piezoelectric patches is the piezoelectric patches of thickness direction or radial polarised.
Further preferably, the material of described piezoelectric patches is monocrystalline material or polycrystalline material.
Further preferably, the material of described egative film is sapphire, tungsten, titanium or rustless steel.
Further preferably, the middle part of described egative film is provided with for penetrating electrode line, ventilation body or the centre bore of fixing-aid device.
Further preferably, the material of described non-piezoelectric material supporter is metal, pottery, glass or sapphire.
Further preferably, described non-piezoelectric material supporter is fixed between two egative films by colloid or non-piezoelectric material supporter and one-body molded or non-piezoelectric material supporter the side of two egative films are connected by colloid with egative film, and opposite side is one-body molded with another egative film.
Further preferably, described colloid is epoxide-resin glue, SGA, ethyl α-cyanoacrylate glue or neoprene.
Further preferably, described non-piezoelectric material supporter be shaped as lamellar, column or round table-like.
Further preferably, the contact site of described piezoelectric patches and two egative films is respectively equipped with and is not coated with electrode area.
Operation principle of the present utility model is: when piezoelectric patches is under the effect of alternating driving signal, by generation elongation or contraction, and the length of non-piezoelectric material supporter is constant, if the two ends of piezoelectric patches and non-piezoelectric material supporter are fixed together by egative film, so piezoelectric patches can not will freely extend or shrink under the effect driving signal, but will bend under the pulling force effect of non-piezoelectric material supporter, it is achieved with the function as existing piezoelectric monocrystal sheet.
This utility model compared with prior art has the advantage that (1) considerably reduces bond area, save material, solve the problem causing piezoelectric device to lose efficacy because thickness of adhibited layer is uneven or has bubble to produce in existing piezoelectric monocrystal sheet, reduce the difficulty of processing technology；(2) the piezoelectric monocrystal sheet of any distance between piezoelectric patches and non-piezoelectric material can be produced, and two egative films can have any shape, the such as middle part at egative film is provided with centre bore so that penetrating electrode line, ventilation body or fix other need device etc., and then meet specific environment and under the conditions of needs；(3) the widest two end portions can be selected there is no the piezoelectric patches of electrode, directly play the effect of insulation, compared with existing piezoelectric monocrystal sheet, not only save cost but also efficient；(4) piezoelectric patches is while self still can realize Bending Deformation, and the object on its top also can be driven to be subjected to displacement；(5) non-piezoelectric material supporter can be various material；(6) shape of non-piezoelectric material supporter is alternatively various shape, can be thin lamellar, it is possible to for abundant firm column, supporter also can be one-body molded with one or both of which egative film, then is fixed by colloid with piezoelectric patches, various structures.In a word, piezoelectric monocrystal sheet of the present utility model is for existing piezoelectric monocrystal sheet processing technology, and processing technology is simple, applied widely, and cost is relatively low, function admirable.
Accompanying drawing explanation
Fig. 1 is the front view of piezoelectric monocrystal sheet in this utility model embodiment 1；
Fig. 2 is the side view of piezoelectric monocrystal sheet in this utility model embodiment 1；
Fig. 3 is the top view of piezoelectric monocrystal sheet in this utility model embodiment 1；
Fig. 4 is the front view of piezoelectric monocrystal sheet in this utility model embodiment 2；
Fig. 5 is the side view of piezoelectric monocrystal sheet in this utility model embodiment 2；
Fig. 6 is the top view of piezoelectric monocrystal sheet in this utility model embodiment 2；
Fig. 7 is the front view of piezoelectric monocrystal sheet in this utility model embodiment 3；
Fig. 8 is the side view of piezoelectric monocrystal sheet in this utility model embodiment 3；
Fig. 9 is the top view of piezoelectric monocrystal sheet in this utility model embodiment 3；
Figure 10 is the front view of piezoelectric monocrystal sheet in this utility model embodiment 4；
Figure 11 is the side view of piezoelectric monocrystal sheet in this utility model embodiment 4；
Figure 12 is the top view of piezoelectric monocrystal sheet in this utility model embodiment 4；
Figure 13 is the side view of piezoelectric monocrystal sheet in this utility model embodiment 5；
Figure 14 is the side view of piezoelectric monocrystal sheet in this utility model embodiment 6.
In figure: 1, egative film, 2, piezoelectric patches, 3, non-piezoelectric material supporter, 4, colloid, 5, be not coated with electrode area.
Detailed description of the invention
Particular content of the present utility model is described in detail in conjunction with accompanying drawing.The technological process preparing piezoelectric monocrystal sheet is as follows:
(1) choosing equivalently-sized two egative film 1, the suitable piezoelectric patches of chip size 2 and non-piezoelectric material supporter 3, wherein electrode has been plated in two the widest faces of the polarization of piezoelectric patches 2 through-thickness and this piezoelectric patches 2；
(2) piezoelectric patches 2 and non-piezoelectric material supporter 3 being positioned between two egative films 1, two egative films 1 are parallel to each other and are perpendicular to piezoelectric patches 2, can be by means of mould；
(3) colloid 4 of a certain amount of suitable stiffness and intensity is coated at the contact surface with egative film 1 at piezoelectric patches 2 and non-piezoelectric material supporter 3, such as epoxide-resin glue 353ND；
(4) it is baked to, i.e. can get piezoelectric monocrystal sheet.
Embodiment 1
In the present embodiment, two egative films of piezoelectric monocrystal sheet are sapphire sheet, and the widest face of piezoelectric patches two is fully electroplated with electrode, and non-piezoelectric material supporter is stainless steel substrates.In the present embodiment, the concrete preparation method of piezoelectric monocrystal sheet is as follows:
(1) preferred dimension is identical two sapphire sheet and size are piezoelectric ceramic piece and the stainless steel substrates of 30*5*0.5mm, and wherein electrode has been plated in two the widest faces of the polarization of piezoelectric ceramic piece through-thickness and this piezoelectric ceramic piece；
(2) first placing egative film, then piezoelectric ceramic piece and stainless steel substrates are disposed vertically on egative film, this piezoelectric ceramic piece be arranged in parallel with stainless steel substrates, and the distance between piezoelectric ceramic piece and stainless steel substrates is about 3mm；
(3) select epoxide resin AB glue 353ND, be coated in the contact site of piezoelectric ceramic piece and stainless steel substrates and sapphire sheet, and dry；
(4) other a piece of sapphire sheet is fixed on the top at piezoelectric ceramic piece and stainless steel substrates, make sapphire sheet orthogonal with piezoelectric ceramic piece and stainless steel substrates, and it is coated with 353ND glue, drying in the contact site of piezoelectric ceramic piece and stainless steel substrates and sapphire sheet, i.e. can get piezoelectric monocrystal sheet.As illustrated in the accompanying drawings from 1 to 3.
In the present embodiment, using sapphire sheet as egative film, i.e. having reached the effect of insulation, served again fixing effect, overall structure is both artistic and practical.
Embodiment 2
Egative film is the piezoelectric monocrystal sheet of annular
Egative film in above-described embodiment 1 is changed to annular sapphire sheet, as shown in figs. 4 through 6.Centre bore in the middle part of sapphire sheet is for penetrating electrode line, ventilation body or fixes other device etc. needed, to meet the demand under specific condition.
Embodiment 3
Piezoelectric patches and egative film contact portion electrodeless piezoelectric monocrystal sheet
The position that piezoelectric ceramic piece in above-described embodiment 1 is changed to piezoelectric ceramic piece and the contact of two egative films has about 1mm to be not coated with the piezoelectric ceramic piece of electrode area 5, respectively as shown in accompanying drawing 7-9.Now, the selection of two egative films can be the sapphire of insulation, can also increase the scope of selection, reduction cost for materials such as the rustless steel of conduction, pyrite, titaniums.
Embodiment 4
Non-piezoelectric material supporter is the piezoelectric monocrystal sheet of column
Stainless steel substrates as non-piezoelectric material supporter in above-described embodiment 1 is changed to pyrite cylinder, as shown in accompanying drawing 10-12.So can solve lamellar non-piezoelectric material supporter intensity and the shortcoming of rigidity deficiency.
Embodiment 5
Non-piezoelectric material supporter and one of them egative film integrated piezoelectric monocrystal sheet
Non-piezoelectric material supporter in above-described embodiment 1 and one of them egative film are replaced with a L-shaped structure.Piezoelectric patches is vertically bonded on the base of L-shaped structure, then another egative film bonding respectively on the top of L-shaped structure and piezoelectric patches, as shown in Figure 13.
Embodiment 6
Non-piezoelectric material supporter and two egative film integrated piezoelectric monocrystal sheets
Non-piezoelectric material supporter in above-described embodiment 1 and two egative films are changed to an overall U-shape structure, and piezoelectric piece bonding is at the opening part of U-shape structure, as shown in Figure 14.This structure fabrication processes stability simple, integrally-built is high.
Of the present utility model ultimate principle has more than been shown and described; principal character and advantage; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within claimed scope of the present utility model.
Claims (9)
1. a piezoelectric monocrystal sheet, it is characterized in that including two egative films be arrangeding in parallel and being arranged at the piezoelectric patches between two egative films and non-piezoelectric material supporter, wherein piezoelectric patches is perpendicularly fixed between two egative films by colloid, and this piezoelectric patches is the piezoelectric patches of thickness direction or radial polarised.
Piezoelectric monocrystal sheet the most according to claim 1, it is characterised in that: the material of described piezoelectric patches is monocrystalline material or polycrystalline material.
Piezoelectric monocrystal sheet the most according to claim 1, it is characterised in that: the material of described egative film is sapphire, tungsten, titanium or rustless steel.
4. according to the piezoelectric monocrystal sheet described in claim 1 or 3, it is characterised in that: the middle part of described egative film is provided with for penetrating electrode line, ventilation body or the centre bore of fixing-aid device.
Piezoelectric monocrystal sheet the most according to claim 1, it is characterised in that: the material of described non-piezoelectric material supporter is metal, pottery, glass or sapphire.
Piezoelectric monocrystal sheet the most according to claim 1, it is characterized in that: described non-piezoelectric material supporter is fixed between two egative films by colloid or non-piezoelectric material supporter and one-body molded or non-piezoelectric material supporter the one end of two egative films are connected by colloid with egative film, and the other end is one-body molded with another egative film.
7. according to the piezoelectric monocrystal sheet described in claim 1 or 6, it is characterised in that: described colloid is epoxide-resin glue, SGA, ethyl α-cyanoacrylate glue or neoprene.
Piezoelectric monocrystal sheet the most according to claim 1, it is characterised in that: described non-piezoelectric material supporter be shaped as lamellar, column or round table-like.
Piezoelectric monocrystal sheet the most according to claim 1, it is characterised in that: the contact site of described piezoelectric patches and two egative films is respectively equipped with and is not coated with electrode area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209185.1U CN205452357U (en) | 2016-03-18 | 2016-03-18 | Piezoelectric monocrystal piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209185.1U CN205452357U (en) | 2016-03-18 | 2016-03-18 | Piezoelectric monocrystal piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452357U true CN205452357U (en) | 2016-08-10 |
Family
ID=56603185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620209185.1U Withdrawn - After Issue CN205452357U (en) | 2016-03-18 | 2016-03-18 | Piezoelectric monocrystal piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205452357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655475A (en) * | 2016-03-18 | 2016-06-08 | 河南师范大学 | Piezoelectric single crystal wafer |
| CN111174951A (en) * | 2020-01-06 | 2020-05-19 | 武汉大学 | Piezoelectric sensor and preparation method thereof |
-
2016
- 2016-03-18 CN CN201620209185.1U patent/CN205452357U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655475A (en) * | 2016-03-18 | 2016-06-08 | 河南师范大学 | Piezoelectric single crystal wafer |
| CN105655475B (en) * | 2016-03-18 | 2017-12-08 | 河南师范大学 | A kind of piezoelectric monocrystal sheet |
| CN111174951A (en) * | 2020-01-06 | 2020-05-19 | 武汉大学 | Piezoelectric sensor and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018166192A1 (en) | Display device and flexible circuit board thereof | |
| CN101764532B (en) | Piezoelectric giant magnetostrictive combined wideband vibration energy collector | |
| CN1188451A (en) | Semiconductor device | |
| CN205452357U (en) | Piezoelectric monocrystal piece | |
| CN110277018A (en) | Display panel and preparation method thereof | |
| CN106875850A (en) | A kind of flexible display screen and its deformation driving method, display device | |
| JP2016526275A (en) | Flexible substrate, display device, and method of bonding electronic device on flexible substrate | |
| CN107644593A (en) | A kind of flexible OLED display panel | |
| TW201249649A (en) | A hard board pasting method and a coating module thereof | |
| CN110557887A (en) | Circuit alignment assembly and display device | |
| CN104360528B (en) | A kind of display module | |
| CN105917202A (en) | Piezoelectric sensor | |
| CN104377205B (en) | A kind of flexible display substrates and preparation method, flexible display apparatus | |
| WO2020143268A1 (en) | Display panel and preparation method therefor, and display device | |
| CN105699697B (en) | A kind of scanning probe microscopy mirror body that piezoelectric twin-wafer type motor makes | |
| WO2022047771A1 (en) | Flexible panel support structure, display device, and method for assembling flexible module | |
| CN109814313A (en) | A kind of display module and mobile terminal | |
| CN105655475A (en) | Piezoelectric single crystal wafer | |
| CN203276737U (en) | Flexible substrate and display device | |
| CN205452358U (en) | Bimorph | |
| CN205453550U (en) | Piezoelectric monocrystal piece formula inertia piezoelectric motor | |
| CN205450028U (en) | Scanning probe microscope mirror body of piezoelectric monocrystal piece formula motor preparation | |
| CN101867013B (en) | Interdigital electrode | |
| CN105634326A (en) | Piezoelectric bimorph type inertial piezoelectric motor | |
| CN205453551U (en) | Bimorph formula inertia piezoelectric motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20171208 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20171208 |