CN108435522A - A kind of ultrasound transducer means, wire bonding and ultrasonic welding system - Google Patents
A kind of ultrasound transducer means, wire bonding and ultrasonic welding system Download PDFInfo
- Publication number
- CN108435522A CN108435522A CN201810215571.5A CN201810215571A CN108435522A CN 108435522 A CN108435522 A CN 108435522A CN 201810215571 A CN201810215571 A CN 201810215571A CN 108435522 A CN108435522 A CN 108435522A
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- Prior art keywords
- ultrasonic
- energy converter
- ultrasound transducer
- transducer means
- wire bonding
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 60
- 238000003466 welding Methods 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 31
- 229910003460 diamond Inorganic materials 0.000 claims description 11
- 239000010432 diamond Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 abstract description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 3
- 230000026683 transduction Effects 0.000 abstract description 3
- 238000010361 transduction Methods 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 19
- 230000002463 transducing effect Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B3/04—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency involving focusing or reflecting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/70—Specific application
- B06B2201/72—Welding, joining, soldering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention is a kind of combined type ultrasonic transduction and welding system disclosure satisfy that the high-power output of ultrasonic wave, and in particular to a kind of ultrasound transducer means, wire bonding and ultrasonic welding system；By the ultrasound transducer means and wire bonding of improved structure, it can need the quantity that ultrasound transfer unit is arranged and position, using flexible reliable according to practical ultrasonic energy conversion；By installing multigroup piezoelectric ceramics, to form stronger ultrasonic energy group, and ultrasonic mould contact surface product is improved, ultrasonic energy is made to be easier to be transmitted to ultrasonic mold；The present invention makes more ultrasonic energies that ultrasonic mold obtains, and welding energy is made to greatly enhance, and has well solved because bonding area is big, and the rosin joint caused by ultrasonic energy deficiency, the Welding Problems such as not prison welding when the welding number of plies is more, work relatively reliable stabilization.
Description
Technical field
The present invention relates to ultrasonic transduction technology, especially a kind of ultrasound transducer means, wire bonding and ultrasonic welding
Equipment.
Background technology
Main purposes has ultrasonic transducer at present：Ultrasonic cleaning, ultrasonic welding, ultrasonic therapy, ultrasound detection, ultrasound
Chemistry etc..Wherein ultrasonic cleaning and ultrasonic bonding and sonochemistry is higher to energy converter power requirement, single transducing
Device oscillator needs larger power capacity.
It must take into consideration multiple limit, such as electric limit, mechanical limit and thermoae limit when energy converter high power work.Transducing
The electric limit of device requires the voltage that piezoelectric patches both ends are applied to prevent piezoelectric patches fast because of overtension no more than certain value
Fast depolarization is even breakdown.
Ultrasonic bonding is that the body surface of two need welding is transmitted to using high-frequency vibration wave, in the case of pressurization,
Make two body surface phase mutual friction and form the fusion between molecular layer, the factor for influencing ultrasonic bonding quality is predominantly welded
Connect underpower, ultrasonic wave output and mould contact surface product are small, it is difficult to meet large area, multilayer workpiece welding needs, in reality
In the operation of border, the problems such as existing device for ultrasonic welding is susceptible to rosin joint and not prison welding, poor work stability, Bu Nenggen
The upper limit of output power is adjusted flexibly according to actual needs.
Invention content
The object of the present invention is to provide a kind of ultrasound transducer means, wire bonding and ultrasonic welding systems, it has
There is the advantages of compact-sized, reliable operation and efficient stable.
The present invention is achieved like this, a kind of ultrasound transducer means, which is characterized in that it includes energy converter drive end bearing bracket
And it is connected to several ultrasound transfer units on energy converter drive end bearing bracket；The ultrasound transfer unit includes at least piezoelectric ceramics
Piece and the electrode slice being connected with piezoelectric ceramic piece, ultrasound transfer unit further include after being located at the energy converter above piezoelectric ceramic piece
End cap.
The stacking arrangement of several piezoelectric ceramic pieces, energy converter rear end cap lid close above piezoelectric ceramic piece.
The energy converter rear end cap is capping structure, and piezoelectric ceramic piece and energy converter rear end cap are coaxially disposed.
Preferably：The piezoelectric ceramic piece and energy converter rear end cap are detachably connected to energy converter front end by screw
It covers.
The energy converter drive end bearing bracket is column, cross, Y-shaped, spherical shape, diamond shape, branching shape, Multi-layer spherical, multilayer water chestnut
Shape or multilayer branching shape structure are at least connected with two ultrasound transfer units on energy converter drive end bearing bracket.
The present invention also describes a kind of wire bonding, which is characterized in that it includes the ultrasonic transducer dress of above structure
It sets, several ultrasound transducer systems are mounted on deckle rod.
Preferably：The ultrasound transducer means are removably connected with deckle rod by energy converter drive end bearing bracket.
The deckle rod is column, cross, Y-shaped, spherical shape, diamond shape, branching shape, Multi-layer spherical, multilayer diamond shape or more
Layer branching shape structure, the deckle rod are at least connected with there are two ultrasound transducer means.
The present invention also describes a kind of ultrasonic welding system, it includes weld mold, which is characterized in that it further includes above-mentioned
The wire bonding of structure, the ultrasonic output end of deckle rod is connected with weld mold in the wire bonding.
Beneficial effects of the present invention are：The present invention is a kind of to disclosure satisfy that the combined type ultrasound of the high-power output of ultrasonic wave is changed
Energy and welding system；It includes the ultrasound transducer means and wire bonding of improved structure, it can be according to practical ultrasonic energy
Source conversion needs the quantity that ultrasound transfer unit is arranged and position, using flexible reliable；By installing multigroup piezoelectric ceramics, with shape
At stronger ultrasonic energy group, and ultrasonic mould contact surface product is improved, ultrasonic energy is made to be easier to be transmitted to ultrasonic mold；This
Invention makes more ultrasonic energies that ultrasonic mold obtains, and so that welding energy is greatly enhanced, has well solved because bonding area is big,
Rosin joint caused by ultrasonic energy deficiency, the Welding Problems such as not prison welding when the welding number of plies is more, work relatively reliable stabilization.
Description of the drawings
Fig. 1 is the structural schematic diagram of the first embodiment of ultrasound transducer means of the present invention.
Fig. 2 is the structural schematic diagram of second of embodiment of ultrasound transducer means of the present invention.
Fig. 3 is the structural schematic diagram of the third embodiment of ultrasound transducer means of the present invention.
Fig. 4 is the structural schematic diagram of 4th kind of embodiment of ultrasound transducer means of the present invention.
Fig. 5 is the structural schematic diagram of 5th kind of embodiment of ultrasound transducer means of the present invention.
Fig. 6 is the structural schematic diagram of 6th kind of embodiment of ultrasound transducer means of the present invention.
Fig. 7 is the structural schematic diagram of the first embodiment of wire bonding of the present invention.
Fig. 8 is the structural schematic diagram of second of embodiment of wire bonding of the present invention.
Fig. 9 is the structural schematic diagram of the third embodiment of wire bonding of the present invention.
Figure 10 is the structural schematic diagram of 4th kind of embodiment of wire bonding of the present invention.
Figure 11 is the structural schematic diagram of 5th kind of embodiment of wire bonding of the present invention.
Figure 12 is the structural schematic diagram of 6th kind of embodiment of wire bonding of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.
As shown in figures 1 to 6, the invention is realized in this way, the ultrasound transducer means include energy converter drive end bearing bracket 1 with
And it is connected to several ultrasound transfer units 2 on energy converter drive end bearing bracket 1；The ultrasound transfer unit 2 is made pottery including at least piezoelectricity
Tile 201 and the electrode slice 202 being connected with piezoelectric ceramic piece 201, ultrasound transfer unit 2 further include being located at piezoelectric ceramic piece
The energy converter rear end cap 3 of 201 tops；The present invention is a kind of combined type ultrasonic transducer, it pacifies several ultrasound transfer units 2
On the same energy converter drive end bearing bracket 1, the quantity that ultrasound transfer unit 2 is set can be needed according to practical ultrasonic energy conversion
And position, using more flexible reliable；Simultaneously, it also carries out corresponding Optimal Structure Designing to ultrasound transfer unit 2, leads to
Energy converter rear end cap 3 is crossed by 201 gland of multilayer piezoelectric ceramic piece on energy converter drive end bearing bracket 1, multigroup piezoelectric ceramics can be installed, with
Form stronger ultrasonic energy group；In practical applications, which coordinates with production mould, and ultrasonic mould can be improved
Have contact area, makes ultrasonic energy be easier to be transmitted to ultrasonic mold, the transmission as ultrasonic energy provides better biography
Pass channel.
In the specific implementation, several piezoelectric ceramic pieces 201 stacking arrangement, the lid of energy converter rear end cap 3 are closed in piezoelectric ceramics
Above piece 201, sheet metal is equipped between piezoelectric ceramic piece 201, which is the pad being coaxially disposed with piezoelectric ceramic piece 201
Piece；The energy converter rear end cap 3 is capping structure, and piezoelectric ceramic piece 201 and energy converter rear end cap 3 are coaxially disposed.
For the ease of dismounting, the piezoelectric ceramic piece 201 and energy converter rear end cap 3 are detachably connected to change by screw
On energy device drive end bearing bracket 1；The screw runs through energy converter rear end cap 3 and piezoelectric ceramic piece 201, and by energy converter rear end cap 3 and piezoelectricity
Potsherd 201 is connected on energy converter drive end bearing bracket 1, in actual installation, the piezoelectric ceramic piece 201 and energy converter rear end cap 3
It is connect with screw thread, and electrode slice 202 is to protrude the laminated structure of 201 outer rim of piezoelectric ceramic piece, and be symmetricly set on pressure
201 both sides of electroceramics piece using electrode slice 202 with smaller power rotary piezoelectric potsherd 201, make it so when in use
It is tightened on screw, the position for also allowing for piezoelectric ceramic piece 201 is fixed and replaced.
Certainly, the present invention goes back the optimization design shape and structure of energy converter drive end bearing bracket 1, and in the specific implementation, it can be adopted
With column, cross, Y-shaped, spherical shape, diamond shape, branching shape, Multi-layer spherical, multilayer diamond shape or multilayer branching shape structure, energy converter
Two ultrasound transfer units 2 are at least connected on drive end bearing bracket 1, wherein Fig. 1 is structural representation when energy converter drive end bearing bracket 1 uses column
Figure, three ultrasound transfer units 2 are mounted on the upper surface of energy converter drive end bearing bracket 1；Wherein Fig. 2 is that energy converter drive end bearing bracket 1 uses
Structural schematic diagram when cross, four ultrasound transfer units 2 are symmetrically mounted on energy converter drive end bearing bracket 1；Wherein Fig. 3 is transducing
Structural schematic diagram when device drive end bearing bracket 1 is using spherical shape, three ultrasound transfer units 2 are symmetrically mounted on energy converter drive end bearing bracket 1；Its
Middle Fig. 4 is structural schematic diagram when energy converter drive end bearing bracket 1 uses multilayer branching shape structure, and every layer there are three ultrasound transfer units 2
It is symmetrically mounted on energy converter drive end bearing bracket 1；Wherein Fig. 5 and Fig. 6 is structural representation when energy converter drive end bearing bracket 1 uses polygon
Figure, multiple 2 central symmetries of ultrasound transfer unit are mounted on energy converter drive end bearing bracket 1.
As shown in fig.7-12, the invention also discloses a kind of wire bondings, it includes the ultrasonic transducer of above structure
Device, several ultrasound transducer systems are mounted on deckle rod 4；The present invention is a kind of combined type wire bonding, is being worked
When, ultrasound transducer means convert electrical energy into ultrasonic energy, are then sent out several acoustic transducer means by deckle rod 4
Ultrasonic energy is assembled, and is transmitted to ultrasonic mold；The ultrasound transducer means of multiple above structures are arranged in the wire bonding,
More ultrasonic energies that ultrasonic mold obtains have well solved to make welding energy greatly enhance because bonding area is big, weldering
Connect the number of plies it is more when and the rosin joint caused by ultrasonic energy deficiency, the Welding Problems such as not prison welding, improve wire bonding work
Reliability.
For the ease of dismounting, the ultrasound transducer means by energy converter drive end bearing bracket 1 removably with 4 phase of deckle rod
Even, ultrasound transducer means and deckle rod 4 can be used the position and structure of above-mentioned screw, the screw through energy converter rear end cap 3,
Piezoelectric ceramic piece 201 and energy converter drive end bearing bracket 1, so that ultrasound transducer means are fixed on deckle rod 4.
Certainly, the present invention also optimization design shape and structure of deckle rod 4, in the specific implementation, it may be used column,
Cross, Y-shaped, spherical shape, diamond shape, branching shape, Multi-layer spherical, multilayer diamond shape or multilayer branching shape structure, the deckle rod 4 is at least
There are two ultrasound transducer means, wherein Fig. 7 is structural schematic diagram when deckle rod 4 uses column, three ultrasonic transductions for connection
Device device is mounted on the upper surface of deckle rod 4；Wherein Fig. 8 is structural schematic diagram when deckle rod 4 uses cross, and four super
Acoustic transducer means are symmetrically mounted on deckle rod 4；Wherein Fig. 9 is structural schematic diagram when deckle rod 4 uses spherical, and three super
Acoustic transducer means are symmetrically mounted on deckle rod 4；Wherein Figure 10 is that deckle rod 4 uses structure when multilayer branching shape structure to show
It is intended to, every layer there are ultrasound transducer means to be symmetrically mounted on deckle rod 4；Wherein Figure 11 and Figure 12 is deckle rod 4 using polygon
Structural schematic diagram when shape, multiple ultrasound transducer means central symmetries are mounted on deckle rod 4.
The invention also discloses a kind of ultrasonic welding systems, it includes weld mold, which is characterized in that it further includes above-mentioned
The wire bonding of structure, the ultrasonic output end of deckle rod 4 is connected with weld mold in the wire bonding, and deckle rod 4 will turn
The ultrasonic energy changed focuses on weld mold for welding.
Claims (9)
1. a kind of ultrasound transducer means, which is characterized in that it includes energy converter drive end bearing bracket (1) and is connected to energy converter front end
Cover several ultrasound transfer units (2) on (1)；The ultrasound transfer unit (2) include at least piezoelectric ceramic piece (201) and
The electrode slice (202) being connected with piezoelectric ceramic piece (201), ultrasound transfer unit (2) further include being located on piezoelectric ceramic piece (201)
The energy converter rear end cap (3) of side.
2. ultrasound transducer means as described in claim 1, which is characterized in that several piezoelectric ceramic pieces (201) stacking row
Cloth, energy converter rear end cap (3) lid close above piezoelectric ceramic piece (201).
3. ultrasound transducer means as claimed in claim 2, which is characterized in that the energy converter rear end cap (3) is block knot
Structure, and piezoelectric ceramic piece (201) and energy converter rear end cap (3) coaxial arrangement.
4. ultrasound transducer means as claimed in claim 3, which is characterized in that the piezoelectric ceramic piece (201) and energy converter
Rear end cap (3) is detachably connected to by screw on energy converter drive end bearing bracket (1).
5. ultrasound transducer means as claimed in claim 4, which is characterized in that the energy converter drive end bearing bracket (1) is column, ten
Font, Y-shaped, spherical shape, diamond shape, branching shape, Multi-layer spherical, multilayer diamond shape or multilayer branching shape structure, energy converter drive end bearing bracket (1)
On be at least connected with two ultrasound transfer units (2).
6. a kind of wire bonding, which is characterized in that it includes the ultrasonic transducer dress described in any one of claim 1-5
It sets, several ultrasound transducer systems are mounted on deckle rod (4).
7. wire bonding as claimed in claim 6, which is characterized in that the ultrasound transducer means pass through energy converter front end
Lid (1) is removably connected with deckle rod (4).
8. wire bonding as claimed in claim 7, which is characterized in that the deckle rod (4) is column, cross, Y words
Shape, spherical shape, diamond shape, branching shape, Multi-layer spherical, multilayer diamond shape or multilayer branching shape structure, the deckle rod (4) have been at least connected with two
A ultrasound transducer means.
9. a kind of ultrasonic welding system, it includes weld mold, which is characterized in that it further includes any one in claim 6-7
Wire bonding described in, the ultrasonic output end of deckle rod (4) is connected with weld mold in the wire bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215571.5A CN108435522A (en) | 2018-03-15 | 2018-03-15 | A kind of ultrasound transducer means, wire bonding and ultrasonic welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215571.5A CN108435522A (en) | 2018-03-15 | 2018-03-15 | A kind of ultrasound transducer means, wire bonding and ultrasonic welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108435522A true CN108435522A (en) | 2018-08-24 |
Family
ID=63194618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810215571.5A Pending CN108435522A (en) | 2018-03-15 | 2018-03-15 | A kind of ultrasound transducer means, wire bonding and ultrasonic welding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108435522A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170149A (en) * | 2020-10-27 | 2021-01-05 | 李宏亮 | Dual-mode ultrasonic vibrator for drawing metal wire |
| CN113245686A (en) * | 2020-02-11 | 2021-08-13 | 广州市科普超声电子技术有限公司 | Multifunctional ultrasonic tool head |
| CN113617621A (en) * | 2020-05-09 | 2021-11-09 | 肖清波 | Ultrasonic power synthesis transducer |
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| CN201366410Y (en) * | 2009-03-09 | 2009-12-23 | 襄樊瑜晖电子科技有限公司 | Big power ultrasonic transducer |
| CN101630924A (en) * | 2009-08-25 | 2010-01-20 | 哈尔滨工业大学 | T-shaped linear ultrasonic motor oscillator |
| CN105032748A (en) * | 2014-10-21 | 2015-11-11 | 湖北瑜晖超声科技有限公司 | Piezoelectric supersonic wave transduction unit and large power ultrasonic transducer formed by same |
| CN206838452U (en) * | 2017-06-15 | 2018-01-05 | 李梦林 | A kind of ultrasonic system |
| CN111360284A (en) * | 2019-03-11 | 2020-07-03 | 河南理工大学 | Two-dimensional included angle type double-excitation elliptical ultrasonic vibration turning method |
-
2018
- 2018-03-15 CN CN201810215571.5A patent/CN108435522A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201366409Y (en) * | 2009-03-09 | 2009-12-23 | 襄樊瑜晖电子科技有限公司 | Ultraphonic energy radiating device capable of conveniently replacing transducers |
| CN201366410Y (en) * | 2009-03-09 | 2009-12-23 | 襄樊瑜晖电子科技有限公司 | Big power ultrasonic transducer |
| CN101630924A (en) * | 2009-08-25 | 2010-01-20 | 哈尔滨工业大学 | T-shaped linear ultrasonic motor oscillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113245686A (en) * | 2020-02-11 | 2021-08-13 | 广州市科普超声电子技术有限公司 | Multifunctional ultrasonic tool head |
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Application publication date: 20180824 |