CN1756445A - Ribbon type sound film of plane loudspeaker and its manufacturing method - Google Patents
Ribbon type sound film of plane loudspeaker and its manufacturing method Download PDFInfo
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- CN1756445A CN1756445A CN 200410080298 CN200410080298A CN1756445A CN 1756445 A CN1756445 A CN 1756445A CN 200410080298 CN200410080298 CN 200410080298 CN 200410080298 A CN200410080298 A CN 200410080298A CN 1756445 A CN1756445 A CN 1756445A
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Abstract
The invention provides a manufacture method for tibial membrane of plane ribbon loudspeaker, which comprises following steps: providing composite metal thin membrane formed by metal layer and macromolecular insulating layer, etching the metal layer to form conductor line and prepare ribbon membrane; besides, using etched fiber as plane reinforcement structure to thermal compression bond with the membrane; then, one obtains the product.
Description
Technical field
A kind of vibrational system of dynamic planar loudspeakers refers in particular to sound film and the manufacture method thereof of ribbon type dynamic planar loudspeakers (Ribbon Type Planar Speaker).
Background technology
The use of ribbon type dynamic planar loudspeakers and development have had suitable history, and patent such as No. 4273968,4480155,6104825,4471173 and 5021613, U.S. for example discloses the structure and the related content of ribbon type dynamic planar loudspeakers.The structure of general ribbon type dynamic planar loudspeakers as shown in Figure 1, metal electrode circuit 14 is directly molded on the insulation film 15, formation has the sound film (Diaphragm) of electric wiring, when loud speaker is passed to current signal, the flow through electric current of electric wiring produces electromagnetic force with the magnetic field of magnet 11 on the ribbon type dynamic planar loudspeakers 10, makes the sound film produce vibration, promote air via the vibration of sound film and sound, thereby change electric energy into acoustic energy.
Different with general coil-moving speaker (Moving-Coil loudspeaker) is, electric wiring above the sound film of ribbon type dynamic planar loudspeakers itself, the function that promptly possesses voice coil loudspeaker voice coil, can drive the vibration of sound film, general coil-moving speaker sound film then need connect voice coil loudspeaker voice coil (Voice Coil) again, utilizes voice coil loudspeaker voice coil to vibrate and drives sound film sounding.Since ribbon type sound film of plane loudspeaker thin thickness and in light weight, the quality of its vibrational system, lighter than the vibrational system of general coil-moving speaker, so the sensitivity of ribbon type dynamic planar loudspeakers (Sensitivity) is also higher.
The magnetic circuit system of ribbon type dynamic planar loudspeakers also has employing mode as shown in Figure 2 to design, both sides or a side about the sound film, and configuration is parallel to the bar magnet 21,22 of electric wiring direction.The sound film is bilateral symmetry configuration bar magnet 21,22 up and down, makes sound film magnetic field up and down symmetrically, and therefore bigger linear dynamic range and higher sensitivity are arranged.
The ribbon type dynamic planar loudspeakers is the same with coil-moving speaker, can utilize the mode of piston motion (Piston Motion), the condition that cooperates infinite baffle (Infinite Buffer BoardMethod) is explained when speaker vibration system is subjected to the electromagnetic force vibration acoustic characteristic of output.With reference to Lao Lunsijinsile (Lawrence E.Kinsler) family name, " Principles of Acoustics (Fundamentals of Acoustics " book, the third edition, chapter 8, far field (Far Field) sound press and the relativeness between frequency, sound film of loudspeaker equivalent redius and distance that can derive in the generation of loud speaker dead ahead is as follows:
Sound press p=(√ 2* π
2* ρ o*a
2* f
2* ξ)/r
Wherein: π is a circumference ratio, ρ
oBe atmospheric density, a is the equivalent redius of sound film of loudspeaker piston motion, and f is a vibration frequency, and the amplitude that ξ carries out the piston motion for the sound film, r are the distance of test point and loud speaker
Therefore, under the identical sound membrane area and under the identical measuring distance, sound press and frequency square and the first power of amplitude be directly proportional.In order to produce identical sound press, when high frequency, the sound film needs only minimum amplitude, and is relative, and when low frequency, the sound film is then wanted great amplitude, could produce identical sound press.Unless the area of sound film is amplified, otherwise the LF-response of ribbon type dynamic planar loudspeakers (Low Frequency Response) is not good.
Yet, known ribbon type sound film of plane loudspeaker, it is wherein a kind of that to draw (Mylar) polyester film polyester film or polyimides with aluminium foil and wheat be the laminated material of film (polyimide), process etching manufacturing process produces the metal electrode circuit and forms, though the sound film can produce high frequency response, but can't produce LF-response.In addition, the sound film that plain conductor or wheat is drawn (Mylar) polyester film and aluminium foil laminate formation is also arranged, fit on the plane drum paper or plane honeycomb structure plate (Honeycone Plate) or polystyrene foam plate (Styrofoam) of moulding in advance, stick outstanding limit again and form the complex tone film.Or, plain conductor or wheat are drawn the sound film of (Mylar) polyester film and aluminium foil laminate formation, directly imbed in the polystyrene foam plate, and one-body molded with outstanding limit.So design, though can produce LF-response, weight is too heavy, and sound press is low.
Summary of the invention
The present invention's purpose is to provide a kind of ribbon type sound film of plane loudspeaker, must make between LF-response and sensitivity, to reach good balance by the ribbon type dynamic planar loudspeakers.
Another object of the present invention is to provide a kind of manufacture method of ribbon type dynamic planar loudspeakers sound film, makes the ribbon type dynamic planar loudspeakers except possessing the LF-response, and manufacture method is comparatively easy simultaneously.
To achieve the above object of the invention, the invention provides a kind of sound film manufacturing method of ribbon type dynamic planar loudspeakers, comprise the following steps: that it provides the composite metal film that is made of metal level and polymeric dielectric layer earlier, then this metal level in this composite metal film is carried out etching, make this metal level form conductor line, make ribbon type sound film.In addition, use sheeting as plane reinforced structure.Again this ribbon type sound film is placed one side of this plane reinforced structure, and with hot binding, and make complex tone film with outstanding limit.
In one of the present invention preferred embodiment, the sound film manufacturing method of above-mentioned ribbon type dynamic planar loudspeakers is after making ribbon type sound film, and before sheeting is provided, the polymeric dielectric layer that more is included in composite metal film simultaneously is coated with the last layer cementing layer, again with plane reinforced structure hot binding.In addition, between the above-mentioned metal level and polymeric dielectric layer, more be provided with the macromolecule following layer.
The present invention and propose a kind of complex tone film manufacturing method of ribbon type dynamic planar loudspeakers.Comprising the steps: provides first composite metal film that is made of the first metal layer and first insulating barrier, and second composite metal film that is made of second metal level and second insulating barrier is provided.And make the first metal layer on first composite metal film, and make conductor line, make the first ribbon type sound film, and make second metal level on second composite metal film, make conductor line, make the second ribbon type sound film.In addition, the preparation sheeting is as plane reinforced structure, and first insulating barrier one side with the first ribbon type sound film, second insulating barrier one side with the second ribbon type sound film, place the two sides of plane reinforced structure respectively, and, make one-body molded complex tone film with outstanding limit with hot binding.
The present invention proposes a kind of complex tone film of ribbon type dynamic planar loudspeakers again, comprising: be made as metal level, the polymeric dielectric layer of conductor line shape and the one-body molded plane reinforced structure made from sheeting that contains outstanding limit.Wherein, polymeric dielectric layer and metal level constitute composite metal film, and one-body molded plane reinforced structure is simultaneously to combine with the polymeric dielectric layer of composite metal film, form the complex tone film of ribbon type dynamic planar loudspeakers.
In one of the present invention preferred embodiment, for example be provided with one deck cementing layer between the polymeric dielectric layer of above-mentioned composite metal film and the one-body molded plane reinforced structure.In addition, for example be provided with the macromolecule following layer between metal level and the polymeric dielectric layer.In addition, polymeric dielectric layer for example is to be selected from by wheat to draw (Mylar) polyester film, polyimide resin film, Polyethylene Naphthalate (PEN), Polyetherimide (PEI) plastic film and one of them person of heat-resistant plastic group that film is formed.
The present invention proposes a kind of complex tone film of ribbon type dynamic planar loudspeakers again, comprising: first laminated film, second laminated film and the one-body molded plane reinforced structure that contains outstanding limit.First laminated film system is provided with first conductor line by first insulating barrier and constitutes, and second laminated film is to be provided with second conductor line by second insulating barrier to constitute, and one-body molded plane reinforced structure is to make with sheeting.In addition, one-body molded plane reinforced structure two sides system simultaneously combines with first insulating barrier one side of first laminated film and second insulating barrier of second laminated film respectively, forms the complex tone film of ribbon type dynamic planar loudspeakers.
The present invention also proposes a kind of sound film manufacturing method of ribbon type dynamic planar loudspeakers.Comprise the steps: to provide the composite metal film that constitutes by metal level and polymeric dielectric layer, and the metal level in the composite metal film is carried out etching, make metal level form conductor line, make ribbon type sound film.And, the impregnation fiber is provided, this impregnation fiber of hot pressing makes becomes the one-body molded plane reinforced structure that contains outstanding limit.Ribbon type sound film is placed one side of one-body molded plane reinforced structure, and in conjunction with making the one-body molded complex tone film with outstanding limit.
In one of the present invention preferred embodiment, the sound film manufacturing method of above-mentioned ribbon type dynamic planar loudspeakers is after making ribbon type sound film, and before sheeting is provided, the polymeric dielectric layer that for example more is included in composite metal film simultaneously is coated with the last layer cementing layer, again with one-body molded plane reinforced structure hot binding.In addition, for example be provided with the macromolecule following layer between above-mentioned metal level and the polymeric dielectric layer.
The present invention's plane reinforced structure can produce large amplitude because of being provided with outstanding limit, and must possess outside the LF-response, and simultaneously because plane reinforced structure and outstanding limit are one-body molded, manufacture method is more easy.In addition, the present invention can use the impregnation resin fibre to make plane reinforced structure, and therefore made sound film has advantages such as in light weight, that sensitivity is good.
State with other purpose, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Embodiment
Please refer to Fig. 3, it is one of ribbon type dynamic planar loudspeakers of the present invention embodiment profile.The complex tone film 31 of loud speaker comprises ribbon type sound film, plane reinforced structure 36, and ribbon type sound film down.Last ribbon type sound film reaches the metal electrode circuit 33A that goes up the insulating barrier upside by last insulating barrier 31A and constitutes., following ribbon type sound film then is made of the metal electrode circuit 33B of insulating barrier downside under insulating barrier 31B reaches down.And plane reinforced structure 36 has more outstanding limit structure 37.
Wherein, last ribbon type sound film reaches ribbon type sound film down, is the two-layer compound metallic film of metal forming/polymeric dielectric layer 31A, 31B.Earlier with polyimides (Polyimide) insulating barrier of 10 microns of thick 23 microns aluminium foil layer and thickness, both constitute double-deck (Two-layer) flexible printed wiring board is material, after carrying out etching, produces ribbon type sound film conductor circuit 33A, 33B for it.
At this, the manufacturing of two-layer compound metallic film is to adopt metal forming coating polyamic acid resin (Polyamic Acid) solution earlier, makes through toasting drying again.But also can on polyimide resin film, utilize the method for physical vapor deposition and electroless plating to produce metal level.Because the two-layer compound metallic film, adhesive layer is not as resilient coating, so the hot coefficient of dilatation of metal level and polymeric dielectric layer 31A, the 31B unanimity of must trying one's best, and curls and inter-laminar stress because of hot coefficient of dilatation difference causes composite metal film avoiding.
And has the making of the plane reinforced structure 36 of outstanding limit structure 37, system is Nomex temperature resistant fiber paper (E.I.Du Pont Company's product of 0.13 millimeter with thickness, model Nomex 411), solid content is epoxy resin/MEK (Methyl-ethyl ketone) solution (Jinmen, Taiwan chemical industry numbering AS1032 single-liquid type epoxy product of 5-20 percentage by weight, use the epoxy resin/MEK solution of 10 percentage by weights in present embodiment system), under 80 degree Celsius, pre-baking 10 minutes becomes the epoxy resin preimpregnation cloth of half-matureization (B-stage).To go up ribbon type sound film then and descend ribbon type sound film to be placed in one-body molded plane reinforced structure about in the of 36, and make ribbon type sound film conductor circuit 33A, 33B one side outwardly, (not shown) in heat pressing and molding mold, with hot-forming one hour of 180 degree Celsius, making became the complex tone membrane structure 31 that contains outstanding limit.
At this, plane reinforced structure 36 is with the impregnation fiber, Nomex temperature resistant fiber paper (E.I.Du Pont Company's product, model Nomex 411) be material, but its also can for general drum paper (Cone Paper) material as linen-cotton paper pulp copy the drum paper of system, or the Kevlar fiber of the Conex of cotton or synthetic fabrics such as Japanese Supreme Being people company, du pont company synthetic paper or the artificial cloth made, or the synthetic paper of above-mentioned fiber blend manufacturing, artificial cloth, and even foil is a material, as plane reinforced structure.Focus on it for sheeting, light weight, but can provide the reinforcement of composite metal film structure, advantage that sensitivity is good to reach in light weight.
Reach ribbon type sound film down and go up ribbon type sound film, can also be the three layers composite metal film of metal forming/adhesive layer/macromolecule membranous layer applying, wherein metal forming can be the composite metallic material (Claded Metal Foil) of aluminium foil, alloy foil or aluminium and other metal pressing, and thickness is being advisable below 35 microns.Adhesive layer can be acrylic acid series (AcrylicResin), epoxy resin (Epoxy) or polyimides system (polyimide) binding agent, and adhesive layer thickness is below 10 microns.And macromolecule membranous layer can be that the wheat of plastic film such as du pont company production is drawn (Mylar) polyester film for polyester, the Kapton film of polyimide resin film such as E.I.Du Pont Company's production, or the PEI plastic film of the U.S. unusual (GE) production, or the PEN plastic film of du pont company production, or other stable on heating plastic film.
After drawing complex tone film 31, with the below strip magnet 34A and 34B are set respectively above it, and strip magnet 34A is vertical with drawing with the y direction of 34B, and parallel with metal electrode circuit 33A respectively with the sense of current that 33B goes up.Strip magnet 34A represents its magnetizing direction parallel with drawing with N and S mark that 34B goes up.And the top is the S utmost point, and the below is the N utmost point.This strip magnet 34A and 34B are individually fixed in the upper frame 32A and the underframe 32B of ribbon type dynamic planar loudspeakers.Side outside the outstanding limit structure 37 of complex tone film 31 via stiff end 38A and stiff end 38B, is fixed in complex tone film 31 between upper frame 32A and the underframe 32B.When 31 vibrations of complex tone film, perforate 32C and underframe 32B perforate 32D upward that sound can be gone up via upper frame 32A simultaneously spread out of simultaneously, or the sealing underframe only spreads out of via the perforate 32C of 32A on the upper frame.
Quantity, size and the placement location of strip magnet 34A, 34B, or only at the complex tone film
31Single up and down side is provided with strip magnet, all can do suitably to adjust according to the demand that produces sound press.At the complex tone film
31Reach ribbon type dynamic planar loudspeakers inner space up and down, can fill with the sound-absorbing and the damping material of manufacturings such as various wools, natural cotton, glass fibre and staple fibre according to need, to reduce unnecessary sound reflection and resonance.Outstanding structure 37 surfaces, limit can also be coated with shockproof glue based to increase the damping (Damping) of hanging the limit, and shockproof glue based can be acrylic acid series (Acrylic Resin), epoxy resin (Epoxy), polyurethane series (Polyurethane), silica gel system (Silicone) and other soft macromolecule adhesive agent material.
In addition, have the plane reinforced structure 36 of outstanding limit structure 37, after also can hardening, reaching down with last ribbon type sound film again, ribbon type sound film combines in advance.It can thickness be Nomex temperature resistant fiber paper (E.I.Du Pont Company's product of 0.13 millimeter, model Nomex 411), the impregnation solid content is polyamic acid (Polyamic acid)/NMP (N-Methyl Pyrolidone) solution of 15 percentage by weights (solid content is to get final product in the 5-20 weight percentage ranges), removed nmp solvent in dry 30 minutes prior to vacuumizing under the 100, again with the impregnation resin fibre paper after the drying, move in the heat pressing and molding mold, became the one-body molded plane reinforced structure 36 that contains outstanding limit in hot-forming one hour with 300 degree Celsius again.
Same, this plane reinforced structure 36 is with Nomex temperature resistant fiber paper (E.I.Du Pont Company's product, model Nomex 411) be material, but its also can for general drum paper (ConePaper) material as linen-cotton paper pulp copy the drum paper of system, or cotton or synthetic fabrics such as the Conex of Japanese Supreme Being people company, the long and slender synthetic paper of making of Kevlar or the artificial cloth of du pont company, again via containing resin pickup hot repressing moulding, make plane reinforced structure 36 with outstanding limit structure 37.
With one-body molded plane reinforced structure 36 two sides, and the polymeric dielectric layer of sound film surface 31A, 31B, spraying one deck high temperature modification epoxy adhesive (not showing on the figure), earlier under 80 degree Celsius, dry and pre-roasting this epoxy adhesive, then ribbon type sound film is placed in this one-body molded plane reinforced structure about in the of 36, ribbon type sound film reaches ribbon type sound film down on the formation, among heat pressing and molding mold, with hot-forming one hour of 180 degree Celsius, making became the complex tone membrane structure 31 that contains outstanding limit.
Can be (PhenolicResin), acrylic acid series (Acrylic Resin), epoxy resin (Epoxy), polyimides system (polyimide) or other binding agent and go up cementing layer 35A for phenolic aldehyde with following cementing layer 35B, and adhesive layer thickness is below 10 microns.
Please refer to Fig. 4, it is the profile of second embodiment of ribbon type dynamic planar loudspeakers of the present invention.The complex tone film 51 of loud speaker, system is ribbon type sound film by last insulating barrier 51A and on upward the metal electrode circuit 53A of insulating barrier 51A upside constitutes, ribbon type sound film with following insulating barrier 51B and under down the metal electrode circuit 53B of insulating barrier 51B downside constitutes, with plane reinforced structure 56, via last cementing layer 55A and following cementing layer 55B assembly with outstanding limit structure 57.
The plane reinforced structure 56 that this has outstanding limit structure 57 is after hardening in advance, and reaching down with last ribbon type sound film again, ribbon type sound film combines.It is Nomex temperature resistant fiber paper (E.I.Du Pont Company's product of 0.13 millimeter with thickness, model Nomex 411), the impregnation solid content is polyamic acid (Polyamic acid)/NMP (N-Methyl Pyrolidone) solution of 15 percentage by weights (solid content is to get final product in the 5-20 weight percentage ranges), removed nmp solvent in dry 30 minutes prior to vacuumizing under the 100, again with the impregnation resin fibre paper after the drying, move in the heat pressing and molding mold, became the one-body molded plane reinforced structure 56 that contains outstanding limit in hot-forming one hour with 300 degree Celsius again.
Same, this plane reinforced structure 56 is with Nomex temperature resistant fiber paper (E.I.Du Pont Company's product, model Nomex 411) be material, but its also can for general drum paper (ConePaper) material as linen-cotton paper pulp copy the drum paper of system, or the Kevlar fiber of the Conex of cotton or synthetic fabrics such as Japanese Supreme Being people company, du pont company synthetic paper or the artificial cloth made, again via containing resin pickup hot repressing moulding, make plane reinforced structure 56 with outstanding limit structure 57.
With one-body molded plane reinforced structure 56 two sides, and the polymeric dielectric layer of sound film surface 51A, 51B, spraying one deck high temperature modification epoxy adhesive (not showing on the figure), earlier under 80 degree Celsius, dry and pre-roasting this epoxy adhesive, then ribbon type sound film is placed in this one-body molded plane reinforced structure about in the of 56, ribbon type sound film reaches ribbon type sound film down on the formation, among heat pressing and molding mold, with hot-forming one hour of 180 degree Celsius, making became the complex tone membrane structure 51 that contains outstanding limit.At this plane reinforced structure 56, can also be 35 microns aluminium foil for a thickness, behind the binding agent of lower surface coating thereon, the hot repressing moulding becomes the complex tone membrane structure 51 that contains outstanding limit.
Can be (PhenolicResin), acrylic acid series (Acrylic Resin), epoxy resin (Epoxy), polyimides system (polyimide) or other binding agent and go up cementing layer 55A for phenolic aldehyde with following cementing layer 55B, and adhesive layer thickness is below 10 microns.
Please refer to Fig. 4 and Fig. 5, wherein Fig. 5 is the front schematic view that includes the plane reinforced structure 56 of outstanding limit structure 57.The middle body 61 excision hollow outs of plane reinforced structure 56 to alleviate lamination silk ribbon sound membrane structure weight, improve sensitivity.Be strip magnet 54A on the complex tone film 51, strip magnet 54A is vertical with drawing with the y direction of 54B, and parallel with the sense of current that 53B goes up with the metal electrode circuit 53A of its below.And N and S mark that strip magnet 54A and 54B go up are represented its magnetizing direction.
As seen from the above embodiment, complex tone film 31 of the present invention or 51, utilize laminationization to come reinforcement ribbon type dynamic planar loudspeakers sound film, but not use conventional planar honeycomb structure plate (Honeycone Plate) or polystyrene foam plate (Styrofoam), make dynamic planar loudspeakers sound film when carrying out the piston motion, have certain rigid, utilize the flexibility of outstanding limit structure 37 or 57 simultaneously, the upper limit of amplitude when improving the sound film and carrying out the piston motion.Make and be able to ribbon type dynamic planar loudspeakers low frequency sound press characteristic abundant lifting, and between LF-response and sensitivity, reach good balance.
Simultaneously, because use the two-layer compound metallic film of metal forming/polymeric dielectric layer 31A, 31B, or the three layers composite metal film of metal forming/adhesive layer/macromolecule membranous layer applying, the moulding that integrally combines again contains the plane reinforced structure 36,56 of outstanding limit structure 37,57, takes into account rigidity and flexibility simultaneously.With the known sound film that plain conductor or wheat is drawn (Mylar) polyester film and aluminium foil laminate formation, fit on the plane drum paper or plane honeycomb structure plate (Honeycone Plate) or polystyrene foam plate (Styrofoam) of moulding in advance, stick outstanding limit again and form complex tone film person, or, after plain conductor or wheat being drawn the sound film of (Mylar) polyester film and aluminium foil laminate formation, imbed in the polystyrene foam plate, manufacture method is compared with outstanding limit is one-body molded etc. again, ribbon type dynamic planar loudspeakers manufacture method provided by the present invention, more easy, more can reduce the cost of manufacture of ribbon type dynamic planar loudspeakers, and make its universalness.
Though the present invention explains with the above embodiments, do not represent the present invention's protection range, exceed with above-mentioned explanation.For the ordinary skill of technical field that the present invention belongs to, when doing various modifications, for example, change selections insulating layer material, or the shape of change sound film for example, changes the sound film into circle, and can reach the identical effect of essence.The present invention's thought should not be taken off in only these modifications, still belongs in the present invention's the protection range.Protection scope of the present invention must be as the criterion so that claims are described.
Description of drawings
Fig. 1 is known ribbon type dynamic planar loudspeakers schematic diagram.
Fig. 2 is another known ribbon type dynamic planar loudspeakers schematic diagram.
Fig. 3 is the ribbon type dynamic planar loudspeakers schematic diagram of first embodiment of the invention.
Fig. 4 is the ribbon type dynamic planar loudspeakers schematic diagram of second embodiment of the invention.
Fig. 5 is in the second embodiment of the invention, the partial front schematic diagram of complex tone film.
Fig. 6 is insulating barrier and the metal electrode circuit of last insulating barrier upside and the front schematic view of strip magnet relative position on the second embodiment of the invention
The component symbol explanation
10: the ribbon type dynamic planar loudspeakers of known technology.
11: the magnet of known technology ribbon type dynamic planar loudspeakers.
12: iron plate on the known technology ribbon type dynamic planar loudspeakers.
13: iron plate under the known technology ribbon type dynamic planar loudspeakers.
14: the metal electrode circuit on the known technology ribbon type dynamic planar loudspeakers sound film.
15: the insulating barrier on the known technology ribbon type dynamic planar loudspeakers sound film.
20: the ribbon type dynamic planar loudspeakers of another known technology.
21: magnet on another known technology ribbon type dynamic planar loudspeakers.
22: magnet under another known technology ribbon type dynamic planar loudspeakers.
23: framework outside another known technology ribbon type dynamic planar loudspeakers.
24: the perforate on another known technology ribbon type dynamic planar loudspeakers outside framework.
25: the insulating barrier on another known technology ribbon type dynamic planar loudspeakers sound film.
26: the metal electrode circuit on another known technology ribbon type dynamic planar loudspeakers sound film.
27: another known technology ribbon type dynamic planar loudspeakers sound film outside and stiff end on outside framework engages.
28: another known technology ribbon type dynamic planar loudspeakers sound film outside and stiff end under outside framework engages.
30: the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
31: the complex tone membrane structure that contains outstanding limit of the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
31A: the insulating barrier of layer silk ribbon sound film on the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
31B: the insulating barrier of layer silk ribbon sound film under the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
32A: framework on the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
32B: framework under the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
32C: the perforate of framework on the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
32D: the perforate of framework under the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
33A: the metal electrode circuit of layer silk ribbon sound film on the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
33B: the metal electrode circuit of layer silk ribbon sound film under the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
34A: layer magnet on the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
34B: layer magnet under the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
35A: cementing layer on the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
35B: cementing layer under the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
36: the plane reinforced structure with outstanding limit structure of the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
37: the outstanding limit structure of the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
38A: the stiff end that side engages with upper frame outside the outstanding limit of the complex tone membrane structure on the outstanding limit of the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
38B: the stiff end that side engages with underframe outside the outstanding limit of the complex tone membrane structure on the outstanding limit of the ribbon type dynamic planar loudspeakers of first embodiment of the invention.
50: the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
51: the complex tone membrane structure that contains outstanding limit of the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
51A: the insulating barrier of layer silk ribbon sound film on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
51B: the insulating barrier of layer silk ribbon sound film under the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
52A: framework on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
52B: framework under the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
52C: the perforate of framework on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
53A: the metal electrode circuit of layer silk ribbon sound film on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
53B: the metal electrode circuit of layer silk ribbon sound film under the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
54A: layer magnet on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
54B: layer magnet under the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
55A: cementing layer on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
55B: cementing layer under the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
56: the plane reinforced structure with outstanding limit structure of the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
57: the outstanding limit structure of the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
58A: the stiff end that side engages with upper frame outside the outstanding limit of the complex tone membrane structure on the outstanding limit of the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
58B: the stiff end that side engages with underframe outside the outstanding limit of the complex tone membrane structure on the outstanding limit of the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
61: the openwork part of the plane reinforced structure with outstanding limit structure of the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
71: one of layer silk ribbon sound film termination electrode on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
72: the other end electrode of layer silk ribbon sound film on the ribbon type dynamic planar loudspeakers of second embodiment of the invention.
Claims (12)
- The sound film manufacturing method of 1 one kinds of ribbon type dynamic planar loudspeakers is characterized in that comprising the following steps:The composite metal film that is made of metal level and polymeric dielectric layer is provided;This metal level in this composite metal film is carried out etching, make this metal level form conductor line, make ribbon type sound film;Provide sheeting, as plane reinforced structure; AndThis ribbon type sound film is placed one side of this plane reinforced structure, and with hot binding, make a complex tone film with outstanding limit.
- 2. according to the sound film manufacturing method of the described ribbon type dynamic planar loudspeakers of claim 1, it is characterized in that after making this ribbon type sound film, and before this sheeting is provided, the polymeric dielectric layer that more is included in composite metal film simultaneously is coated with the last layer cementing layer, again with this plane reinforced structure hot binding.
- 3. according to the sound film manufacturing method of the described ribbon type dynamic planar loudspeakers of claim 1, it is characterized in that more being provided with the macromolecule following layer between this metal level and this polymeric dielectric layer.
- 4. the complex tone film manufacturing method of a ribbon type dynamic planar loudspeakers is characterized in that comprising the following steps:First composite metal film that is made of the first metal layer and first insulating barrier is provided;Second composite metal film that is made of second metal level and second insulating barrier is provided;Make this first metal layer on this first composite metal film, make conductor line, make the first ribbon type sound film;Make this second metal level on this second composite metal film, make conductor line, make the second ribbon type sound film;The preparation sheeting is as plane reinforced structure; AndWith this first insulating barrier one side of this first ribbon type sound film, with second insulating barrier one side of this second ribbon type sound film, place the two sides of this plane reinforced structure respectively, and with hot binding, make an one-body molded complex tone film with outstanding limit.
- 5. the complex tone film of a ribbon type dynamic planar loudspeakers is characterized in that comprising:Be made as the metal level of conductor line shape;Polymeric dielectric layer constitutes composite metal film with this metal level; AndThe one-body molded plane reinforced structure made from sheeting that contains outstanding limit,And this one-body molded plane reinforced structure simultaneously combines with the polymeric dielectric layer of this composite metal film, forms the complex tone film of ribbon type dynamic planar loudspeakers.
- 6. according to the complex tone film of the described ribbon type dynamic planar loudspeakers of claim 5, it is characterized in that being provided with one deck cementing layer between the polymeric dielectric layer and this one-body molded plane reinforced structure of composite metal film.
- 7. according to the complex tone film of the described ribbon type dynamic planar loudspeakers of claim 5, it is characterized in that more being provided with the macromolecule following layer between this metal level and this polymeric dielectric layer.
- 8. according to the complex tone film of the described ribbon type dynamic planar loudspeakers of claim 5, it is characterized in that this polymeric dielectric layer, is to be selected from by wheat to draw (Mylar) polyester film, polyimide resin film, Polyetherimide (PEI) plastic film, Polyethylene Naphthalate (PEN) plastic film and one of them person of heat-resistant plastic group that film is formed.
- 9. the complex tone film of a ribbon type dynamic planar loudspeakers is characterized in that comprising:First laminated film is provided with first conductor line by first insulating barrier and constitutes;Second laminated film is provided with second conductor line by second insulating barrier and constitutes; AndContaining the one-body molded plane reinforced structure on outstanding limit, is to make with sheeting,This one-body molded plane reinforced structure two sides, respectively with first insulating barrier of this first laminated film one side, and second insulating barrier of this second laminated film simultaneously combines, and forms the complex tone film of ribbon type dynamic planar loudspeakers.
- 10. the sound film manufacturing method of a ribbon type dynamic planar loudspeakers is characterized in that comprising the following steps:The composite metal film that is made of metal level and polymeric dielectric layer is provided;This metal level in this composite metal film is carried out etching, make this metal level form conductor line, make ribbon type sound film;The impregnation fiber is provided, and hot pressing becomes the one-body molded plane reinforced structure that contains outstanding limit; AndThis ribbon type sound film is placed one side of this one-body molded plane reinforced structure, and in conjunction with making the one-body molded complex tone film with outstanding limit.
- 11. sound film manufacturing method according to the described ribbon type dynamic planar loudspeakers of claim 10, it is characterized in that after making this ribbon type sound film, and before this sheeting is provided, the polymeric dielectric layer that more is included in composite metal film simultaneously is coated with the last layer cementing layer, again with this one-body molded plane reinforced structure hot binding.
- 12., it is characterized in that more being provided with a macromolecule following layer between this metal level and this polymeric dielectric layer according to the sound film manufacturing method of the described ribbon type dynamic planar loudspeakers of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410080298 CN1756445A (en) | 2004-09-30 | 2004-09-30 | Ribbon type sound film of plane loudspeaker and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410080298 CN1756445A (en) | 2004-09-30 | 2004-09-30 | Ribbon type sound film of plane loudspeaker and its manufacturing method |
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| Publication Number | Publication Date |
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| CN1756445A true CN1756445A (en) | 2006-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410080298 Pending CN1756445A (en) | 2004-09-30 | 2004-09-30 | Ribbon type sound film of plane loudspeaker and its manufacturing method |
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| CN101778324A (en) * | 2009-12-25 | 2010-07-14 | 金旭芳 | Loudspeaker vibration sound film |
| CN102868959A (en) * | 2012-10-12 | 2013-01-09 | 张百良 | Aluminium strip speaker |
| WO2013152465A1 (en) * | 2012-04-10 | 2013-10-17 | Teng Ko-Chung | Tweeter unibody having improved structure |
| CN102065363B (en) * | 2009-11-16 | 2013-11-13 | 北京富纳特创新科技有限公司 | Sound production device |
| WO2015085697A1 (en) * | 2013-12-09 | 2015-06-18 | 歌尔声学股份有限公司 | Loudspeaker diaphragm and manufacturing method thereof |
| CN108055628A (en) * | 2018-01-19 | 2018-05-18 | 东莞市和乐电子有限公司 | Tablet overlay film compound film sheet speaker system |
| CN109587605A (en) * | 2017-09-28 | 2019-04-05 | 富泰华工业（深圳）有限公司 | Electromagnetic sensor |
| CN111615037A (en) * | 2020-04-22 | 2020-09-01 | 深圳市信维通信股份有限公司 | Reinforcing rib embedded type vibrating diaphragm and preparation method thereof |
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- 2004-09-30 CN CN 200410080298 patent/CN1756445A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065363B (en) * | 2009-11-16 | 2013-11-13 | 北京富纳特创新科技有限公司 | Sound production device |
| CN101778324A (en) * | 2009-12-25 | 2010-07-14 | 金旭芳 | Loudspeaker vibration sound film |
| WO2013152465A1 (en) * | 2012-04-10 | 2013-10-17 | Teng Ko-Chung | Tweeter unibody having improved structure |
| CN102868959A (en) * | 2012-10-12 | 2013-01-09 | 张百良 | Aluminium strip speaker |
| WO2015085697A1 (en) * | 2013-12-09 | 2015-06-18 | 歌尔声学股份有限公司 | Loudspeaker diaphragm and manufacturing method thereof |
| US9838817B2 (en) | 2013-12-09 | 2017-12-05 | Goertek Inc. | Loudspeaker diaphragm and manufacturing method thereof |
| CN109587605A (en) * | 2017-09-28 | 2019-04-05 | 富泰华工业（深圳）有限公司 | Electromagnetic sensor |
| CN108055628A (en) * | 2018-01-19 | 2018-05-18 | 东莞市和乐电子有限公司 | Tablet overlay film compound film sheet speaker system |
| CN111615037A (en) * | 2020-04-22 | 2020-09-01 | 深圳市信维通信股份有限公司 | Reinforcing rib embedded type vibrating diaphragm and preparation method thereof |
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