CN209433905U - The high frequency cable of longitudinal wrap viscosity copper foil - Google Patents
The high frequency cable of longitudinal wrap viscosity copper foil Download PDFInfo
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- CN209433905U CN209433905U CN201920054220.0U CN201920054220U CN209433905U CN 209433905 U CN209433905 U CN 209433905U CN 201920054220 U CN201920054220 U CN 201920054220U CN 209433905 U CN209433905 U CN 209433905U
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Abstract
The utility model discloses a kind of high frequency cable of longitudinal wrap viscosity copper foil, including at least one set of parallel lines pair and protection overcoat, and it is external that protection overcoat is placed on parallel lines；In a parallel lines pair, parallel lines draw housing to including core component, sticky copper foil-clad film and hot melt wheat, sticky copper foil-clad film is coated on outside core component, and a side of sticky copper foil-clad film is closely attached on another side of sticky copper foil-clad film, and hot melt wheat draws housing to be placed on the lateral wall of sticky copper foil-clad film；Sticky copper foil-clad film includes glue adhesive layer and copper foil wheat draws layer, and copper foil wheat is drawn and is provided with conducting surface on layer, and glue adhesive layer note invests copper foil wheat and draws on the conducting surface of layer, and ground wire and two core wires are adhered to glue adhesive layer far from the another side of conducting surface respectively.The high frequency cable of the longitudinal wrap viscosity copper foil of the utility model can be realized that compact-sized, signal stabilization is higher and the preferable effect of shielding properties.
Description
Technical field
The utility model relates to the construction applications of high frequency cable, more particularly to a kind of high-frequency electrical of longitudinal wrap viscosity copper foil
Cable.
Background technique
High frequency cable is the cable for being used for transmission high-frequency signal.Since cable has distribution capacity and distributed inductance, to height
Frequency signal has filter action and makes high frequency signal attenuation, so the transmission for high-frequency signal, needs distribution capacity and distribution electricity
Feel small cable.Currently, shielding material used in traditional 25G, 40G high frequency wire is mostly aluminium foil or copper foil, and shield
Mode is that aluminium foil longitudinal wrap or copper foil are wrapped.However, copper foil is around structural instability, it is very poor to the retentivity of decaying.Aluminium foil longitudinal wrap
Although structural stability is preferable compared with copper foil, copper foil is inferior to the improvement of decaying.
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of compact-sized, signal stabilization
The high frequency cable of the property preferable longitudinal wrap viscosity copper foil of higher and shielding properties.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high frequency cable of longitudinal wrap viscosity copper foil, comprising: protection overcoat and at least one set of parallel lines pair, outside the protection
It is external to be placed on the parallel lines；
In the parallel lines pair, the parallel lines are to including core component, sticky copper foil-clad film and hot melt wheat
Housing is drawn, the viscosity copper foil-clad film is coated on outside the core component, and the side of the sticky copper foil-clad film
Side is closely attached on another side of the sticky copper foil-clad film, and the hot melt wheat draws housing to be placed on the sticky copper
On the lateral wall of foil coating film；
The core component includes ground wire and two core wires, and the lateral wall of two core wires is closely, and described
Interval is respectively arranged between ground wire and two core wires；
The viscosity copper foil-clad film includes glue adhesive layer and copper foil wheat draws layer, and the copper foil wheat is drawn to be provided on layer and lead
Electric face, the glue adhesive layer note invest the copper foil wheat and draw on the conducting surface of layer, the ground wire and two core wires
It is adhered on the another side of the glue adhesive layer far from the conducting surface respectively.
It includes that the first hot melt wheat draws layer and the second hot melt wheat to draw that the hot melt wheat, which draws housing, in one of the embodiments,
Layer, the first hot melt wheat draw layer to be coated on the copper foil wheat and draw outside layer, and the second hot melt wheat draws layer to be coated on described first
Wheat is heated to draw outside layer.
For the parallel lines to further including lettering layer, the lettering layer note invests the glue in one of the embodiments,
On adhesive layer.
The protection overcoat includes that the aluminium foil wheat of sequence setting from inside to outside draws layer, braiding in one of the embodiments,
Line set and the outer quilt of insulation.
For the parallel lines to being provided with two groups, the lateral wall of parallel lines pair described in two groups is tight in one of the embodiments,
It gets together, and the lateral wall of parallel lines pair described in two groups is abutted with the inner sidewall of the protection overcoat respectively.
Parallel lines described in two groups are to being arranged in parallel in the protection overcoat in one of the embodiments,.
The high frequency cable further includes center-filled wire body and four groups of parallel lines pair, every phase in one of the embodiments,
Two adjacent parallel lines connect head and the tail, and the lateral wall of each parallel lines pair respectively with the center-filled wire body
Lateral wall closely.
The protection overcoat further includes buffer strip body in one of the embodiments, and the buffer strip body is coated on each institute
It states on the lateral wall of parallel lines pair.
The high frequency cable further includes center line layer and six groups of parallel lines pair in one of the embodiments, each described flat
Line is to the central axis of the center line layer, circumferentially permutation is distributed, and the lateral wall of each parallel lines pair point
Not closely with the lateral wall of the center line layer.
The center line layer includes buffer zone body and two groups of parallel lines pair, the buffer zone in one of the embodiments,
Body be coated on two groups described in parallel lines it is external, and outside of the lateral wall of the buffer zone body also with parallel lines pair described in six groups
Wall is closely.
The utility model compared with the prior art the advantages of and have the beneficial effect that:
The utility model is a kind of high frequency cable of longitudinal wrap viscosity copper foil, by drawing setting glue on layer to be bonded in copper foil wheat
Layer, may be implemented the longitudinally wrapped of copper foil, the preferable feature of the stability of longitudinal wrap structure not only may be implemented, but also can be to avoid signal
The problem of being attenuated during transmission plays good shield effectiveness；Also, very due to the thickness of glue adhesive layer
Small, for the Conductivity very little of copper foil, after oven heat, the glue on glue adhesive layer can be in very short time
Interior complete thawing, is solidificated in core wire surface and copper foil conducting surface and copper foil wheat is drawn between layer, and structure is more compact, improves high frequency
The structural stability of cable；Simultaneously because glue is provided on copper foil, so that copper foil wheat draws the conducting surface on layer to connect with ground wire
Touching is good and copper foil wheat draws the region of layer overlapping can also be more firm, further enhances the structural stability of high frequency cable,
Even if contact is still good after the test such as bending, the shielding properties of high frequency cable is improved, the signal of wire rod is improved
The stability of transmission.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the high frequency cable of the longitudinal wrap viscosity copper foil of one embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the high frequency cable of the longitudinal wrap viscosity copper foil of another embodiment shown in FIG. 1；
Fig. 3 is the structural schematic diagram of the high frequency cable of two groups of parallel lines pair shown in FIG. 1；
Fig. 4 is the structural schematic diagram of the high frequency cable of four groups of parallel lines pair shown in FIG. 1；
Fig. 5 is the structural schematic diagram of the high frequency cable of eight groups of parallel lines pair shown in FIG. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
A kind of high frequency cable of longitudinal wrap viscosity copper foil, comprising: at least one set of parallel lines are described to 100 and protection overcoat 200
Protection overcoat 200 is placed on the parallel lines to outside 100；It should be noted that the parallel lines are to 100 for realizing high frequency
The transmission of signal；For the protection overcoat 200 for protecting each parallel lines to not damaged, that improves high frequency cable uses the longevity
Life, wherein it should also be noted that may include multiple parallel lines pair in a high frequency cable, so that the transmission of different signals.
Referring to Fig. 1, the parallel lines include core component 110, sticky copper to 100 in the parallel lines pair
Foil coating film 120 and hot melt wheat draw housing 130, and the viscosity copper foil-clad film 120 is coated on outside the core component 110,
And a side of the viscosity copper foil-clad film 120 is closely attached on another side of the sticky copper foil-clad film 120,
The hot melt wheat draws housing 130 to be placed on the lateral wall of the sticky copper foil-clad film 120,200 sets of the protection overcoat
The hot melt wheat is placed in draw outside housing 130.It should be noted that the core component 110 forms the main body of signal transmission, institute
Sticky copper foil-clad film 120 is stated for covering thread core assembly, to realize being tightly combined between core, structure is more stable；It is described
Hot melt wheat draws housing 130 to be used for parallel lines to protection is played the role of, i.e. protective wire core assembly 110 and sticky copper foil-clad
Film 120 is not damaged, while can also further increase the structural stability of wire rod.
Referring to Fig. 1, the core component 110 includes ground wire 111 and two core wires 112, two core wires 112 it is outer
Side wall closely, and is respectively arranged with interval between the ground wire and two core wires.It should be noted that describedly
Line 111 is used for transmission high-frequency signal for the ground connection in high frequency signal transmission, the core wire 112.
Referring to Fig. 1, the viscosity copper foil-clad film 120 includes that glue adhesive layer 121 and copper foil wheat draw layer 122, it is described
Copper foil wheat is drawn and is provided with conducting surface on layer 122, and 121 note of glue adhesive layer invests the copper foil wheat and the described of layer 122 is drawn to lead
On electric face, the ground wire 111 and two core wires 121 are adhered to the glue adhesive layer 121 far from the conducting surface respectively
Another side on.It should be noted that the glue adhesive layer 121 is used to copper foil wheat drawing layer being bonded in ground wire 111 and two
Outside core wire 121 described in root, so that the structure of wire rod is more stable, while but also copper foil realizes the effect of longitudinal wrap.
In this way, glue adhesive layer is arranged on layer by drawing in copper foil wheat, the longitudinally wrapped of copper foil may be implemented, it both can be real
It the problem of showing the preferable feature of the stability of longitudinal wrap structure, and being attenuated during transmission to avoid signal, plays
Good shield effectiveness；Also, since the thickness very little of glue adhesive layer is passing through the Conductivity very little of copper foil
After oven heat, the glue on glue adhesive layer can melt completely within a very short time, be solidificated in core wire surface and copper foil is led
Electric face and copper foil wheat are drawn between layer, and structure is more compact, improves the structural stability of high frequency cable；Simultaneously because on copper foil
Provided with glue, so that the region that copper foil wheat draws conducting surface on layer and ground contact is good and copper foil wheat draws layer to be overlapped
Can be more firm, the structural stability of high frequency cable is further enhanced, even if contacting still good after the test such as bending
It is good, the shielding properties of high frequency cable is improved, the stability of the signal transmission of wire rod is improved.
Referring to Fig. 2, it includes that the first hot melt wheat draws layer 131 and the second hot melt wheat to draw layer that the hot melt wheat, which draws housing 130,
132, the first hot melt wheat draws layer 131 to be coated on the copper foil wheat and draws outside layer 122, and the second hot melt wheat draws layer 132 to coat
It is drawn outside layer 131 in the first hot melt wheat.It should be noted that the first hot melt wheat draws layer 131 to be used for so that core component
Structure it is more stable；The second hot melt wheat draws layer 132 to be used to further strengthen the structural compactness of high frequency wire, further mentions
High structural stability.Wrapped first hot melt wheat draws layer 131 and after infrared oven is toasted and then cooled and solidified, into second
A taping head, wrapped second hot melt wheat draw layer 132, this layer of wheat pulls around to being S to wrapped, further increase wire rod with this to realize
The effect of the stability of structure.
Referring to Fig. 1, the parallel lines further include lettering layer 140 to 100, and 140 note of lettering layer invests described
On glue adhesive layer 121.Specifically, the lettering layer 140 is attached on the glue adhesive layer 121 far from first hot melt
Wheat is drawn on the one side of layer.
In a core wire 112, referring to Fig. 1, the core wire 112 includes conductor 112a and insulating outer layer
112b, the insulating outer layer are coated on outside the conductor.The insulating outer layer is PE insulating layer.So, it is ensured that wire rod
High-frequency transmission efficiency can also realize the stability of structure, conductor is protected not to be damaged.
Referring to Fig. 3, the aluminium foil wheat that the protection overcoat 200 includes sequence setting from inside to outside draws layer 210, litzendraht wire set
220 and insulation it is outer by 230.It should be noted that in two groups of parallel lines pair, after drawing layer 210 to wind by aluminium foil wheat, Ke Yiti
Structural stability between high each parallel lines pair, and then improve validity when signal transmission.
In one embodiment, referring to Fig. 2, the parallel lines are provided with two groups to 100, parallel lines pair described in two groups
Closely, parallel lines described in two groups are to 100 mutually winding and spiral settings, so that parallel lines pair described in two groups for lateral wall
The 100 hot melt wheat draws the lateral wall of housing to support with the protection overcoat, and parallel lines pair described in two groups is outer
Side wall is abutted with the inner sidewall of the protection overcoat respectively.Specifically, parallel lines described in two groups are to being arranged in parallel in the protection
Housing it is interior.In this way, the high-frequency transmission cable of two groups of parallel lines pair may be implemented.
In another embodiment, referring to Fig. 4, the high frequency cable further includes that center-filled wire body 300 and four groups are flat
Line pair connects head and the tail per two adjacent parallel lines, and parallel lines described in four groups are mutually wound to 100 and spiral is set
It sets, so that parallel lines described in four groups draw the lateral wall of housing to support with the protection overcoat the 100 hot melt wheat, and
And the lateral wall of each parallel lines pair respectively with the lateral wall of the center-filled wire body closely.It needs to illustrate
It is that the center-filled wire body 300 is used for so that in each parallel lines to when being wound, it can be with center-filled wire body
300 central axis is wound, and forms the more stable high frequency cable with four groups of parallel lines pair of structure.In the present embodiment
In, each parallel lines are to the central axis of the center-filled wire body, circumferentially permutation is distributed.In this way, improving high frequency cable
Structural stability, and reduce signal in transmission process signal decay.
In the present embodiment, referring to Fig. 4, the protection overcoat 200 further includes buffer strip body 240, the buffer strip body
240 are coated on the lateral wall of each parallel lines pair.The buffer strip body 240 is foaming PP buffer strip.
In another embodiment, referring to Fig. 5, the high frequency cable further includes center line layer 400 and six groups of parallel lines
Right, each parallel lines are to the central axis of the center line layer, circumferentially permutation is distributed, and parallel lines described in six groups are to 100 phases
Mutually winding and spiral setting so that parallel lines described in six groups to 100 the hot melt wheat draw housing lateral wall with it is described
Protection overcoat supports, and lateral wall of the lateral wall of each parallel lines pair respectively with the center line layer is close in one
It rises.It should be noted that the center line layer 400 is located at each parallel lines to middle position, high-frequency electrical can be made with this
The more compact structure of cable, and then improve the structural stability of high frequency cable.
In the present embodiment, referring to Fig. 5, the center line layer 400 includes buffer zone body 410 and two groups of parallel lines pair
420, the buffer zone body be coated on two groups described in parallel lines it is external, and the lateral wall of the buffer zone body is also and described in six groups
The lateral wall of parallel lines pair is closely.In this way, may be implemented by eight groups of parallel lines to the high frequency cable formed, structure is more steady
Fixed, efficiency of transmission is higher.
It should be noted that being coated in copper foil wheat by using conductive glue draws layer conducting surface, and glue is with a thickness of 3 μ~5
μ, it is preferred that glue is with a thickness of 4 μ, so to copper foil Conductivity very little, and then improves the transmission availability of signal.The height
After special oven heat, glue can melt the copper foil of frequency cable completely within a very short time, then be solidificated in core wire
Lateral wall and copper foil wheat are drawn between layer, are tightly combined, stable structure.
Position equilibrium is put up in core wire two sides in the copper foil two edges of the high frequency cable of the application, i.e., sticky copper foil-clad film phase
The part being mutually overlapped, that is, a side of the sticky copper foil-clad film 120 are closely attached to the sticky copper foil-clad film
Lap on 120 another side can to realize that shielding properties is good to the wire rod of high frequency cable, screening ability compared with
For equilibrium, there is good improvement to SCD21, IL, SCD21-SDD21.It should also be noted that, using heating, conductive glue
Melt, after solidification, copper foil conducting surface and ground contact are good, and since other positions of copper foil, such as copper foil overlapping region have
Solidified glue, even if contact is still good after the test such as bending, improves high-frequency line so that this structure is more stable
The shield effectiveness of material, while also improving the stability of the signal transmission of high frequency cable.
The utility model compared with the prior art the advantages of and have the beneficial effect that:
The utility model is a kind of high frequency cable of longitudinal wrap viscosity copper foil, by drawing setting glue on layer to be bonded in copper foil wheat
Layer, may be implemented the longitudinally wrapped of copper foil, the preferable feature of the stability of longitudinal wrap structure not only may be implemented, but also can be to avoid signal
The problem of being attenuated during transmission plays good shield effectiveness；Also, very due to the thickness of glue adhesive layer
Small, for the Conductivity very little of copper foil, after oven heat, the glue on glue adhesive layer can be in very short time
Interior complete thawing, is solidificated in core wire surface and copper foil conducting surface and copper foil wheat is drawn between layer, and structure is more compact, improves high frequency
The structural stability of cable；Simultaneously because glue is provided on copper foil, so that copper foil wheat draws the conducting surface on layer to connect with ground wire
Touching is good and copper foil wheat draws the region of layer overlapping can also be more firm, further enhances the structural stability of high frequency cable,
Even if contact is still good after the test such as bending, the shielding properties of high frequency cable is improved, the signal of wire rod is improved
The stability of transmission.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed
Carefully, but it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the general of this field
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of high frequency cable of longitudinal wrap viscosity copper foil characterized by comprising protection overcoat and at least one set of parallel lines pair,
It is external that the protection overcoat is placed on the parallel lines；
In the parallel lines pair, the parallel lines are to including core component, sticky copper foil-clad film and hot melt Mai Laping
Set is covered, the viscosity copper foil-clad film is coated on outside the core component, and a side of the sticky copper foil-clad film is tight
On the closely connected another side for being attached to the sticky copper foil-clad film, the hot melt wheat draws housing to be placed on the sticky copper foil packet
On the lateral wall of overlay film；
The core component includes ground wire and two core wires, the lateral wall of two core wires closely, and the ground wire
Interval is respectively arranged between two core wires；
The viscosity copper foil-clad film includes glue adhesive layer and copper foil wheat draws layer, and the copper foil wheat is drawn and is provided with conduction on layer
Face, the glue adhesive layer note invest the copper foil wheat and draw on the conducting surface of layer, the ground wire and two core wires point
It is not adhered on the another side of the glue adhesive layer far from the conducting surface.
2. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the hot melt wheat draws housing
Layer and the second hot melt wheat is drawn to draw layer including the first hot melt wheat, the first hot melt wheat draws layer to be coated on the copper foil wheat and draws outside layer,
The second hot melt wheat draws layer to be coated on the first hot melt wheat and draws outside layer.
3. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the parallel lines are to further including
Lettering layer, the lettering layer note invest on the glue adhesive layer.
4. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the protection overcoat include by
The interior aluminium foil wheat to the setting of outer sequence draws layer, litzendraht wire set and the outer quilt of insulation.
5. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the parallel lines are to being provided with
Two groups, the lateral wall of parallel lines pair described in two groups closely, and the lateral wall of parallel lines pair described in two groups respectively with institute
The inner sidewall for stating protection overcoat abuts.
6. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 5, which is characterized in that parallel lines described in two groups are to flat
Row is set to the interior of the protection overcoat.
7. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the high frequency cable further includes
Center-filled wire body and four groups of parallel lines pair connect head and the tail per two adjacent parallel lines, and each parallel lines
Pair lateral wall respectively with the lateral wall of the center-filled wire body closely.
8. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 7, which is characterized in that the protection overcoat further includes
Buffer strip body, the buffer strip body are coated on the lateral wall of each parallel lines pair.
9. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the high frequency cable further includes
Center line layer and six groups of parallel lines pair, each parallel lines to the central axis of the center line layer circumferentially permutation be distributed,
And the lateral wall of each parallel lines pair respectively with the lateral wall of the center line layer closely.
10. the high frequency cable of longitudinal wrap viscosity copper foil according to claim 1, which is characterized in that the center line layer includes
Buffer zone body and two groups of parallel lines pair, the buffer zone body be coated on two groups described in parallel lines it is external, and the buffer zone body
Lateral wall also with the lateral wall of parallel lines pair described in six groups closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054220.0U CN209433905U (en) | 2019-01-11 | 2019-01-11 | The high frequency cable of longitudinal wrap viscosity copper foil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054220.0U CN209433905U (en) | 2019-01-11 | 2019-01-11 | The high frequency cable of longitudinal wrap viscosity copper foil |
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| CN209433905U true CN209433905U (en) | 2019-09-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830331A (en) * | 2019-01-11 | 2019-05-31 | 乐庭电线工业（惠州）有限公司 | The high frequency cable and its production technology of longitudinal wrap viscosity copper foil |
| CN111681818A (en) * | 2020-05-29 | 2020-09-18 | 芜湖航天特种电缆厂股份有限公司 | Radiation-resistant low-attenuation gigabit network cable and preparation method thereof |
-
2019
- 2019-01-11 CN CN201920054220.0U patent/CN209433905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830331A (en) * | 2019-01-11 | 2019-05-31 | 乐庭电线工业（惠州）有限公司 | The high frequency cable and its production technology of longitudinal wrap viscosity copper foil |
| CN111681818A (en) * | 2020-05-29 | 2020-09-18 | 芜湖航天特种电缆厂股份有限公司 | Radiation-resistant low-attenuation gigabit network cable and preparation method thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210706 Address after: 516029 Desai No.3 Industrial Park, Zhongkai Avenue, Huizhou City, Guangdong Province Patentee after: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee after: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee after: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee after: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Address before: 516006 Desai No.3 Industrial Park, Zhongkai Avenue, Huizhou City, Guangdong Province Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. |
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