CN106792375B - Diaphragm of loudspeaker component - Google Patents
Diaphragm of loudspeaker component Download PDFInfo
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- CN106792375B CN106792375B CN201611234657.XA CN201611234657A CN106792375B CN 106792375 B CN106792375 B CN 106792375B CN 201611234657 A CN201611234657 A CN 201611234657A CN 106792375 B CN106792375 B CN 106792375B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention provides a kind of diaphragm of loudspeaker component, including vibrating diaphragm, and vibrating diaphragm includes at least one layer of silicone copolymers film layer.The diaphragm of loudspeaker can be made to have the characteristics that good intensity, flexibility, temperature tolerance, hydrophobicity and damping and amortization through the invention, and then meet the requirement of the high power, waterproof and high tone quality of loudspeaker.
Description
Technical field
The present invention relates to speaker technology fields, more specifically, are related to a kind of diaphragm of loudspeaker component.
Background technique
As the improvement of people's living standards, the requirement of sound equipment facilities a series of for earphone, loudspeaker etc. is higher and higher.
Key component one of of the vibrating diaphragm as sounding original part have a vital influence to the sound quality of loudspeaker, therefore vibrating diaphragm is set
Count one of the important topic always constantly brought forth new ideas in the industry.
The making material of vibrating diaphragm has very much, including organic and inorganic, such as the vibration of metal vibration diaphragm, papery vibrating diaphragm, tiffany
Film, plastics vibrating diaphragm, biological vibrating diaphragm etc..Wherein, plastics vibrating diaphragm is because it has many advantages, such as that at low cost, plasticity is good, easy processing, therefore
It is widely used in the industry always.
However, existing loudspeaker diaphragm materials are mostly to use substrate layer made of thermostability engineering plastic analog copolymer,
Such as polyether-ether-ketone (PEEK), poly- fragrant rouge (PAR), polyetherimide (PEI), polyimides (PI), with soft thermoplastic poly
Urethane elastomer (TPU) and damping glue film (such as acrylate glue, silica gel) compound structure.But the vibrating diaphragm of such structure is difficult to
Meet the requirement of product waterproof, and that there are vibrating diaphragms after reliability is damaged, the problems such as collapsing.
For the waterproof performance for improving vibrating diaphragm, the problems such as vibrating diaphragm collapses, is damaged after reliability, designers often use mould
The composite material of the thermoplastic elastomer (TPE)s such as higher thermoplastic polyester elastomer (TPEE) or TPU is measured, but with loudspeaker Gao Gong
The raising that rateization requires, temperature tolerance is then at the bottleneck for restricting the application of the materials such as TPEE or TPU.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of diaphragm of loudspeaker components, resistance to solve existing vibrating diaphragm
The problem of warm nature is bad, is not able to satisfy loudspeaker high power requirement.
Diaphragm of loudspeaker component provided by the invention, including vibrating diaphragm, vibrating diaphragm include at least one layer of silicone copolymers film
Layer.
Furthermore it is preferred that structure are as follows: silicone copolymers film layer be by random silicone copolymers or siloxane blocks
Copolymer is made.
Furthermore it is preferred that structure are as follows: vibrating diaphragm includes first base material layer and second substrate layer compound with first base material layer；The
One substrate layer is silicone copolymers film layer, and the second substrate layer is sub- by polyether-ether-ketone, poly- fragrant rouge, polyetherimide, polyamides
Amine, thermoplastic polyurethane elastomer, thermoplastic polyester elastomer, polyamide-type thermoplastic elastomer, styrene analog thermoplastic bullet
Film layer made of one of property body, polyethylene naphthalate, polyethylene terephthalate.
Furthermore it is preferred that structure are as follows: be provided with glue-line between first base material layer and the second substrate layer, first base material layer and
Second substrate layer is compound by glue-line；Wherein, glue-line is acrylic acid glue-line, layer of silica gel or layers of two-sided.
Furthermore it is preferred that structure are as follows: vibrating diaphragm includes first base material layer and second substrate layer compound with first base material layer,
One substrate layer and the second substrate layer are silicone copolymers film layer；It is provided between first base material layer and the second substrate layer
Glue-line, first base material layer and the second substrate layer are compound by glue-line；Wherein, glue-line is acrylic acid glue-line, layer of silica gel or double-sided adhesive
Layer.
Furthermore it is preferred that structure are as follows: vibrating diaphragm includes first base material layer, the second substrate layer being compounded on first base material layer,
And it is compounded in the third substrate layer on the second substrate layer；Wherein, the second substrate layer is silicone copolymers film layer, the first base
Material layer and third substrate layer be by polyether-ether-ketone, poly- fragrant rouge, polyetherimide, polyimides, thermoplastic polyurethane elastomer,
Thermoplastic polyester elastomer, polyamide-type thermoplastic elastomer, styrene analog thermoplastic elastomer, poly- naphthalenedicarboxylic acid ethylene glycol
Film layer made of at least one of ester, polyethylene terephthalate；Between the second substrate layer and third substrate layer
It is compound by the first glue-line to be provided with the first glue-line, the second substrate layer and third substrate layer, the first glue-line is acrylic acid glue-line, silicon
At least one of glue-line, layers of two-sided.
Furthermore it is preferred that structure are as follows: the second glue-line, first base material are provided between first base material layer and the second substrate layer
Layer and the second substrate layer are compound by the second glue-line；Wherein, the second glue-line is acrylic acid glue-line, in layer of silica gel, layers of two-sided
It is at least one.
Furthermore it is preferred that structure are as follows: vibrating diaphragm includes first base material layer, the second substrate layer being compounded on first base material layer,
And it is compounded in the third substrate layer on the second substrate layer；Wherein, first base material layer and third substrate layer are copolymeric siloxane
Object film layer, the second substrate layer are by polyether-ether-ketone, poly- fragrant rouge, polyetherimide, polyimides, thermoplastic polyurethane elastic
Body, thermoplastic polyester elastomer, polyamide-type thermoplastic elastomer, styrene analog thermoplastic elastomer, poly- naphthalenedicarboxylic acid second two
Film layer made of at least one of alcohol ester, polyethylene terephthalate；First base material layer and the second substrate layer it
Between be provided with the first glue-line, first base material layer and the second substrate layer are compound by the first glue-line, in the second substrate layer and third base
It is compound by the second glue-line that the second glue-line, the second substrate layer and third substrate layer are provided between material layer；Wherein, the first glue-line and
Second glue-line is at least one of acrylic acid glue-line, layer of silica gel, layers of two-sided.
Furthermore it is preferred that structure are as follows: silicone copolymers film layer with a thickness of 3um~200um.
Using above-mentioned diaphragm of loudspeaker component according to the present invention, vibrating diaphragm therein is using at least one layer of silicone copolymers
Film layer, so as to make the diaphragm of loudspeaker have the characteristics that good intensity, flexibility, temperature tolerance, hydrophobicity and damping and amortization,
And then meet the requirement of the high power, waterproof and high tone quality of loudspeaker.
Detailed description of the invention
By reference to the content of the explanation below in conjunction with attached drawing, and with a more complete understanding of the present invention, the present invention
Other purposes and result will be more clearly understood and understood.In the accompanying drawings:
Fig. 1 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention one；
Fig. 2 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention two；
Fig. 3 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention three；
Fig. 4 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention four；
Fig. 5 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention five；
Fig. 6 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention six；
Fig. 7 is the diaphragm structure schematic diagram according to the diaphragm of loudspeaker component of the embodiment of the present invention seven.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
In figure: first base material layer 1, the second substrate layer 2, glue-line 3, third substrate layer 3, the first glue-line 4, the second glue-line 5.
Specific embodiment
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
It is bad for aforementioned existing diaphragm of loudspeaker temperature tolerance, it is not able to satisfy loudspeaker high power, waterproof, Yi Jigao
The problem of sound quality requires, the present invention uses at least one layer of silicone copolymers film layer as vibrating diaphragm, so as to make loudspeaker
Vibrating diaphragm has the characteristics that good intensity, flexibility, temperature tolerance, hydrophobicity and damping and amortization, and then meets the high power of loudspeaker
Change, the requirement of waterproof and high tone quality.
Wherein, because silicone copolymers have good high temperature resistant and low temperature properties ,~350 degree are spent -60 using temperature
Between, and it has the characteristics that good resistance to ag(e)ing, hydrophobicity and chemical-resistant, therefore, shakes as loudspeaker
Film can be improved the acoustic quality of loudspeaker.
Specifically, the vibrating diaphragm in diaphragm of loudspeaker component provided by the invention includes at least one layer of silicone copolymers film
Layer composition, or at least one layer of silicone copolymers film layer and film layer made of thermostability engineering plastic analog copolymer it is compound
It forms.That is, in diaphragm of loudspeaker component provided by the invention, the above-mentioned film layer made of silicone copolymers
The vibrating diaphragm of loudspeaker can also can be compounded to form with other materials separately as the vibrating diaphragm of loudspeaker, it is specific to combine
Mode will be described in detail in following embodiments one into embodiment seven.
It should be noted that above-mentioned silicone copolymers film layer can be made of random silicone copolymers,
It can also be made of silicone block copolymer.
Embodiment one
Fig. 1 shows the diaphragm structure of according to embodiments of the present invention one diaphragm of loudspeaker component.
As shown in Figure 1, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm is made of silicone copolymers
Film layer.Wherein, the thickness range of the vibrating diaphragm is between 3um~200um.
Embodiment two
Fig. 2 shows the diaphragm structures of according to embodiments of the present invention two diaphragm of loudspeaker component.
As shown in Fig. 2, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm includes including 1 He of first base material layer
Second substrate layer 2 compound with first base material layer 1.Wherein, first base material layer 1 is silicone copolymers film layer, the second substrate
Layer is by polyether-ether-ketone (PEEK), poly- fragrant rouge (PAR), polyetherimide (PEI), polyimides (PI), thermoplastic polyurethane bullet
Property body (TPU), thermoplastic polyester elastomer (TPEE), polyamide-type thermoplastic elastomer (TPAE), styrene analog thermoplastic bullet
Film made of one of property body (TPS), polyethylene naphthalate (PEN), polyethylene terephthalate (PET)
Layer.Wherein, first base material layer 1 with a thickness of 3um~200um, in the specific implementation, need to determine first according to the actual situation
The thickness of substrate layer, details are not described herein.
Embodiment three
Fig. 3 shows the diaphragm structure of according to embodiments of the present invention three diaphragm of loudspeaker component.
As shown in figure 3, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm includes first base material layer 1 and with
The second compound substrate layer 2 of one substrate layer 1.Wherein, glue-line 3 is provided between first base material layer 1 and the second substrate layer 2, the
One substrate layer 1 and the second substrate layer 2 are compound by glue-line 3.
Wherein, first base material layer 1 is silicone copolymers film layer；Second substrate layer 2 is by polyether-ether-ketone (PEEK), gathers
Fragrant rouge (PAR), polyetherimide (PEI), polyimides (PI), thermoplastic polyurethane elastomer (TPU), thermoplastic polyester elastomer
Body (TPEE), polyamide-type thermoplastic elastomer (TPAE), styrene analog thermoplastic elastomer (TPS), poly- naphthalenedicarboxylic acid second two
Film layer made of one of alcohol ester (PEN), polyethylene terephthalate (PET)；Glue-line is acrylic acid glue-line, silica gel
One of layer, layers of two-sided.Wherein, first base material layer 1 with a thickness of 3um~200um, glue-line with a thickness of 20um~
200um。
In the present embodiment, glue-line being arranged between first base material layer and the second substrate layer can be such that the pliable of vibrating diaphragm obtains
The adaptability of temperature and the chemical stability of itself can be improved when improving, and working, while being capable of increasing damping, from
And optimize the acoustical behavior of loudspeaker.
Example IV
Fig. 4 shows the diaphragm structure of according to embodiments of the present invention four diaphragm of loudspeaker component.
As shown in figure 4, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm includes first base material layer 1 and with
The second compound substrate layer 2 of one substrate layer 1.Wherein, first base material layer 1 and the second substrate layer 2 are silicone copolymers film；
It is multiple by glue-line 3 that glue-line 3, first base material layer 1 and the second substrate layer 2 are provided between first base material layer 1 and the second substrate layer 2
It closes；Glue-line 3 is one of acrylic acid glue-line, layer of silica gel, layers of two-sided.Wherein, first base material layer 1 with a thickness of 3um~
200um, glue-line 3 with a thickness of 20um~200um.
In the present embodiment, the thickness of first base material layer and the second substrate layer can be identical, can not also be identical, first
Glue-line is arranged between substrate layer and the second substrate layer can be such that the pliable of vibrating diaphragm is improved, and to the adaptability of temperature when working
And the chemical stability of itself can be improved, while be capable of increasing damping, to optimize the acoustical behavior of loudspeaker.
Embodiment five
Fig. 5 shows the diaphragm structure of according to embodiments of the present invention five diaphragm of loudspeaker component.
As shown in figure 5, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm includes first base material layer 1, is compounded in
The second substrate layer 2 on first base material layer 1, and the third substrate layer 3 being compounded on the second substrate layer 2.Wherein, the second substrate
Layer 2 is silicone copolymers film；First base material layer 1 and third substrate layer 3 are for by polyether-ether-ketone (PEEK), poly- fragrant rouge
(PAR), polyetherimide (PEI), polyimides (PI), thermoplastic polyurethane elastomer (TPU), thermoplastic polyester elastomer
(TPEE), polyamide-type thermoplastic elastomer (TPAE), styrene analog thermoplastic elastomer (TPS), poly- naphthalenedicarboxylic acid ethylene glycol
Film layer made of at least one of ester (PEN), polyethylene terephthalate (PET).
The first glue-line 4, the second substrate layer 2 and third substrate layer are provided between the second substrate layer 2 and third substrate layer 3
3 is compound by the first glue-line 4, and the first glue-line 4 is at least one of acrylic acid glue-line, layer of silica gel, layers of two-sided.Wherein,
Two substrate layers 2 with a thickness of 3um~200um, the first glue-line 4 with a thickness of 20um~200um.
Embodiment six
Fig. 6 shows the diaphragm structure of according to embodiments of the present invention six diaphragm of loudspeaker component.
As shown in fig. 6, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm includes first base material layer 1, is compounded in
The second substrate layer 2 on first base material layer 1, and the third substrate layer 3 being compounded on the second substrate layer 2.Wherein, the second substrate
Layer 2 is silicone copolymers film layer；First base material layer 1 and third substrate layer 3 are for by polyether-ether-ketone (PEEK), poly- fragrant rouge
(PAR), polyetherimide (PEI), polyimides (PI), thermoplastic polyurethane elastomer (TPU), thermoplastic polyester elastomer
(TPEE), polyamide-type thermoplastic elastomer (TPAE), styrene analog thermoplastic elastomer (TPS), poly- naphthalenedicarboxylic acid ethylene glycol
Film layer made of at least one of ester (PEN), polyethylene terephthalate (PET).
The first glue-line 4, the second substrate layer 2 and third substrate layer are provided between the second substrate layer 2 and third substrate layer 3
3 is compound by the first glue-line 4；The second glue-line 5, first base material layer 1 are provided between first base material layer 1 and the second substrate layer 2
It is compound by the second glue-line 5 with the second substrate layer 2；Wherein, the first glue-line 4 and the second glue-line 5 are acrylic acid glue-line, silica gel
At least one of layer, layers of two-sided.Wherein, first base material layer 1 with a thickness of 3um~200um, glue-line 3 with a thickness of 20um
~200um.
Embodiment seven
Fig. 7 shows the diaphragm structure of according to embodiments of the present invention seven diaphragm of loudspeaker component.
As shown in fig. 7, the diaphragm of loudspeaker component of the present embodiment includes vibrating diaphragm, vibrating diaphragm includes first base material layer 1, is compounded in
The second substrate layer 2 on first base material layer 1, and the third substrate layer 3 being compounded on the second substrate layer 2；Wherein, first base material
Layer 1 and third substrate layer 3 are silicone copolymers film layer, and the second substrate layer 2 is by polyether-ether-ketone (PEEK), poly- fragrant rouge
(PAR), polyetherimide (PEI), polyimides (PI), thermoplastic polyurethane elastomer (TPU), thermoplastic polyester elastomer
(TPEE), polyamide-type thermoplastic elastomer (TPAE), styrene analog thermoplastic elastomer (TPS), poly- naphthalenedicarboxylic acid ethylene glycol
Film layer made of at least one of ester (PEN), polyethylene terephthalate (PET).
The first glue-line 4, first base material layer 1 and the second substrate layer are provided between first base material layer 1 and the second substrate layer 2
2 is compound by the first glue-line 4, and the second glue-line 5, the second substrate layer 2 are provided between the second substrate layer 2 and third substrate layer 3
It is compound by the second glue-line 5 with third substrate layer 3；Wherein, the first glue-line 4 and the second glue-line 5 are acrylic acid glue-line, silica gel
At least one of layer, layers of two-sided.The thickness of first base material layer 1 and third substrate layer 3 is between 3um~200um, and first
The thickness of glue-line and the second glue-line is between 20um~200um.
Describe diaphragm of loudspeaker component according to the present invention in an illustrative manner above with reference to attached drawing.But this field
It will be appreciated by the skilled person that can also not departed from the present invention for the diaphragm of loudspeaker component that aforementioned present invention is proposed
Various improvement are made on the basis of appearance.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (6)
1. a kind of diaphragm of loudspeaker component, including vibrating diaphragm, wherein
The vibrating diaphragm includes at least two layers of substrate layer: first base material layer and second substrate layer compound with the first base material layer；
The first base material layer is silicone copolymers film layer, and silicone copolymers film layer is by random silicone copolymers
Or silicone block copolymer is made；
Second substrate layer is silicone copolymers film layer, or, for by polyether-ether-ketone, poly- fragrant rouge, polyetherimide, polyamides
Imines, thermoplastic polyurethane elastomer, thermoplastic polyester elastomer, polyamide-type thermoplastic elastomer, styrene analog thermoplastic
Film layer made of one of elastomer, polyethylene naphthalate, polyethylene terephthalate.
2. diaphragm of loudspeaker component as described in claim 1, wherein
Glue-line is provided between the first base material layer and the second substrate layer, the first base material layer and the second substrate layer pass through
The glue-line is compound；Wherein,
The glue-line is acrylic acid glue-line, layer of silica gel or layers of two-sided.
3. diaphragm of loudspeaker component as described in claim 1, wherein
The second substrate layer that the vibrating diaphragm includes first base material layer, is compounded on the first base material layer, and be compounded in described
Third substrate layer on second substrate layer；Wherein,
Second substrate layer is silicone copolymers film layer, and the first base material layer and third substrate layer are by polyethers ether
Ketone, poly- fragrant rouge, polyetherimide, polyimides, thermoplastic polyurethane elastomer, thermoplastic polyester elastomer, polyamide-based heat
Thermoplastic elastic, styrene analog thermoplastic elastomer, polyethylene naphthalate, in polyethylene terephthalate extremely
A kind of few manufactured film layer；
The first glue-line, second substrate layer and third substrate layer are provided between second substrate layer and third substrate layer
Compound by first glue-line, first glue-line is at least one of acrylic acid glue-line, layer of silica gel, layers of two-sided.
4. diaphragm of loudspeaker component as claimed in claim 3, wherein
The second glue-line, the first base material layer and the second substrate layer are provided between the first base material layer and the second substrate layer
It is compound by second glue-line；Wherein,
Second glue-line is at least one of acrylic acid glue-line, layer of silica gel, layers of two-sided.
5. diaphragm of loudspeaker component as described in claim 1, wherein
The second substrate layer that the vibrating diaphragm includes first base material layer, is compounded on the first base material layer, and be compounded in described
Third substrate layer on second substrate layer；Wherein,
The first base material layer and third substrate layer are silicone copolymers film layer, and second substrate layer is by polyethers ether
Ketone, poly- fragrant rouge, polyetherimide, polyimides, thermoplastic polyurethane elastomer, thermoplastic polyester elastomer, polyamide-based heat
Thermoplastic elastic, styrene analog thermoplastic elastomer, polyethylene naphthalate, in polyethylene terephthalate extremely
A kind of few manufactured film layer；
The first glue-line, the first base material layer and the second substrate layer are provided between the first base material layer and the second substrate layer
It is compound by first glue-line, it is provided with the second glue-line between second substrate layer and third substrate layer, described second
Substrate layer and third substrate layer are compound by second glue-line；Wherein,
First glue-line and the second glue-line are at least one of acrylic acid glue-line, layer of silica gel, layers of two-sided.
6. the diaphragm of loudspeaker component as described in any one of Claims 1 to 5, wherein
The silicone copolymers film layer with a thickness of 3um~200um.
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| CN201611234657.XA CN106792375B (en) | 2016-12-28 | 2016-12-28 | Diaphragm of loudspeaker component |
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| CN106792375B true CN106792375B (en) | 2019-09-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566608B (en) * | 2018-06-15 | 2020-02-07 | 歌尔股份有限公司 | Loudspeaker |
| CN108900960A (en) * | 2018-06-15 | 2018-11-27 | 歌尔股份有限公司 | Acrylic pressure-sensitive adhesivee and preparation method thereof, structure of composite membrane, vibrating diaphragm and sounding device |
| CN108551640B (en) | 2018-06-15 | 2020-09-18 | 歌尔股份有限公司 | Loudspeaker diaphragm and loudspeaker |
| CN112261548A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Vibrating diaphragm and sound production device |
| CN112203193A (en) * | 2020-10-15 | 2021-01-08 | 精拓丽音科技（北京）有限公司 | Film material, diaphragm and manufacturing method of film material |
| CN112533107B (en) * | 2020-11-27 | 2022-07-05 | 辽宁弗佰克高新材料有限公司 | Vibrating diaphragm, preparation method thereof and acoustoelectric device |
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| CN106153178A (en) * | 2015-03-17 | 2016-11-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Compliant conductive vibrating diaphragm, flexible vibration sensor and its preparation method and application |
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| CN103738020A (en) * | 2014-01-09 | 2014-04-23 | 宁波激智科技股份有限公司 | Composite plastic diaphragm and preparation method of composite plastic diaphragm |
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