CN103346371A - Liquid metal microwave transmission line and manufacturing method and purpose thereof - Google Patents
Liquid metal microwave transmission line and manufacturing method and purpose thereof Download PDFInfo
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- CN103346371A CN103346371A CN2013102594137A CN201310259413A CN103346371A CN 103346371 A CN103346371 A CN 103346371A CN 2013102594137 A CN2013102594137 A CN 2013102594137A CN 201310259413 A CN201310259413 A CN 201310259413A CN 103346371 A CN103346371 A CN 103346371A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 145
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 119
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 9
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- 229910000846 In alloy Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims 1
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910052792 caesium Inorganic materials 0.000 description 4
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- -1 polydimethylsiloxane Polymers 0.000 description 1
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Abstract
The invention provides a liquid metal microwave transmission line and a manufacturing method and a purpose thereof. The liquid metal microwave transmission line comprises a protective sleeve and a liquid guiding wire. A guiding wire space is defined in the protective sleeve. The liquid guiding wire is arranged in the protective sleeve. The protective sleeve has certain retractility, and the liquid guiding wire is made of liquid metal. The liquid metal microwave transmission line can be stretched, so that parameter values of an equivalent circuit are changed and transmitted conveniently, and a cavity or a conformal wrapping target can be fully filled with the transmission line stably and reasonably.
Description
Technical Field
The invention relates to the field of microwave transmission, in particular to a liquid metal microwave transmission line and a preparation method and application thereof.
Background
The microwave is an electromagnetic wave with very high frequency, and the microwave technology is widely applied to the fields of communication, radar, navigation and positioning and biomedicine. A microwave transmission line is a conductor or dielectric system for transmitting microwaves to guide the microwaves to propagate in a certain direction. In the microwave transmission line, microwave power is transmitted through a space outside the wire due to the skin effect.
However, the current microwave transmission technology still needs to be improved.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to at least some extent or to at least provide a useful commercial choice. Therefore, the invention aims to provide a liquid metal microwave transmission line which is filled with liquid metal and can effectively transmit microwaves.
In a first aspect of the invention, a liquid metal microwave transmission line is presented. According to an embodiment of the present invention, the liquid metal microwave transmission line includes: the sheath is internally limited with a wire space, and a liquid wire is arranged in the sheath, wherein the sheath has certain flexibility; the liquid conductor is formed of a liquid metal. The liquid metal transmission line can conveniently change the parameter value of a transmission equivalent circuit through stretching, and can stably and reasonably fill a cavity or form a conformal wrapping target.
According to an embodiment of the present invention, the liquid metal microwave transmission line described above may further have the following additional technical features:
in one embodiment of the present invention, the sheath is formed of at least one selected from PDMS, silicone, and rubber. Therefore, based on the characteristics that the sheath is soft and has certain flexibility, when the liquid metal microwave transmission line is used for microwave transmission, the length and the cross section area of the transmission line can be changed by stretching the transmission line, and the parameter of the transmission equivalent circuit is changed.
In one embodiment of the present invention, the liquid metal is formed of at least one liquid metal selected from gallium, indium, gallium-indium alloy, and the like. The liquid metal is liquid at normal temperature, has fluidity compared with a solid wire, can be conveniently stretched, and can stably and reasonably fill a cavity or form a conformal wrapping target in application. Mercury and cesium are liquid at normal temperature, but since mercury is highly toxic, cesium is very unstable in air and water, and therefore is not suitable for use in making liquid conductors for transmission lines.
In one embodiment of the present invention, the liquid metal microwave transmission line is in the form of at least one of a parallel twin line, a coaxial line, a strip line, a microstrip line, a rectangular waveguide, a circular waveguide. Therefore, the microwave transmission device can be suitable for various microwave transmission requirements.
In a second aspect of the invention, the invention proposes a method of using the aforementioned liquid metal microwave transmission line. According to an embodiment of the invention, the method comprises: providing a sheath, wherein a lead space is defined in the sheath, and the sheath has certain flexibility; and injecting a liquid metal into the wire space to form a liquid wire in the wire space. According to an embodiment of the present invention, a pump may be used to provide power to inject liquid metal into the wire space.
In addition, those skilled in the art will appreciate that the features and advantages described above with respect to the liquid metal microwave transmission line are also applicable to the method of using the liquid metal microwave transmission line, and will not be described in detail.
The inventors of the present invention have found that the liquid metal microwave transmission line according to embodiments of the present invention has at least one of the following advantages over conventional microwave transmission lines:
1. if the traditional microwave transmission line made of solid metal is suddenly broken, charges can be accumulated at the broken part, and the dielectric material adopted by the liquid metal microwave transmission line is liquid, so that the microwave transmission line is not easy to break and has good repairability;
2. the length and the thickness of the traditional microwave transmission line made of solid metal are fixed, while the liquid metal microwave transmission line provided by the embodiment of the invention has good flexibility, the parameter size of the equivalent circuit of the microwave transmission line can be changed through stretching treatment, and the liquid metal transmission line cannot be damaged in the stretching process;
3. the liquid metal microwave transmission line has good flexibility, can be made into various shapes, randomly changes the transmission direction of the electromagnetic waves, and does not cause the reflection of the electromagnetic waves when being bent;
4. according to the embodiment of the invention, the liquid metal in the liquid metal microwave transmission line can be reused, so that the cost is reduced;
5. the liquid metal microwave transmission line can ensure that the components and the transmission line are in good contact with each other and the transmission line is in good contact with each other; and
6. because the liquid metal used as the transmission medium in the liquid metal microwave transmission line has fluidity and the sheath adopted in the liquid metal microwave transmission line according to the embodiment of the invention can be made into any shape, the microwave transmission line can be stably and reasonably filled in the cavity or a conformal coating target, and the application range and the effect of microwave transmission are greatly increased.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural diagram of several liquid metal microwave transmission lines according to an embodiment of the present invention.
Fig. 2 shows a schematic diagram of the use of a liquid metal microwave transmission line according to an embodiment of the present invention.
Fig. 3 shows a schematic diagram of a liquid metal microwave transmission line conformed wrapped irregularity according to an embodiment of the invention.
Description of reference numerals:
in fig. 1 to 3, the components denoted by the respective reference numerals are as follows:
1: liquid conductor
2: protective sleeve
3: air (a)
4: liquid metal injection port
5: target object
6: planar transmission line
101: liquid metal storage container
102: container mouth
103: rear end conversion head
104: pump and method of operating the same
105: front section conversion head
106: a transmission line.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The term "microwave" as used herein refers to an electromagnetic wave having a frequency of 300MHz-300GHz, and is a short for a limited frequency band in a radio wave, i.e., an electromagnetic wave having a wavelength of 1 m (excluding 1 m) to 1 mm, which is a general term for a decimetric wave, a centimeter wave, a millimeter wave, and a submillimeter wave.
The present invention has been completed based on the following findings of the inventors:
conventional microwave transmission lines are generally made of solid metal materials, however, with the continuous push of new technologies and the wider application of microwave transmission, the requirements of people on microwave transmission lines are higher and higher. And the solid metal material has poor flexibility, is easy to break and difficult to repair, can not be arranged in any shape, and obstructs the development space of microwave transmission to a certain extent. The inventor finds that by adopting the conducting wire formed by the liquid metal, namely by taking the liquid metal as a transmission medium, and by utilizing the stable physical and chemical properties, excellent heat conduction, electric conduction and fluidity of the liquid metal, the parameter values of the transmission equivalent circuit can be conveniently changed by stretching, and the cavity can be smoothly and reasonably filled or the target of conformal wrapping can be smoothly and reasonably filled.
The liquid metal microwave transmission line according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1, a liquid metal microwave transmission line according to an embodiment of the present invention includes a sheath 2 and a liquid conductor 1. Wherein a wire space is defined in the sheath 2, the wire 1 is disposed in the wire space, and the wire 1 is formed of a liquid metal. The inventor of the invention finds that by adopting the conducting wire formed by the liquid metal, namely the liquid metal is used as a transmission medium, and by utilizing the stable physical and chemical properties, excellent heat conduction, electric conduction and fluidity of the liquid metal, the parameter value of a transmission equivalent circuit can be conveniently changed through stretching, and the cavity or a conformal wrapping target can be smoothly and reasonably filled, so that the liquid metal microwave transmission line can effectively transmit microwaves. Because liquid metal is adopted as a transmission medium, the area of the transmission line is larger and larger along with the pouring of the liquid metal, and the deformation degree is related to the flexibility of the sheath. According to an embodiment of the present invention, the type of material used to prepare the jacket 2 is not particularly limited. Any jacket material known in the microwave transmission art may be used for preparation. According to embodiments of the present invention, it is preferable to use a material that is soft, has some flexibility, and has a low dielectric constant. In one embodiment of the present invention, the sheath 2 used is formed of at least one selected from PDMS (polydimethylsiloxane), silicone, and rubber. The inventors have found that the smaller the dielectric constant of the jacket material, the smaller the conductivity and the smaller the energy loss. Based on the fact that the sheaths are soft, have certain flexibility and low dielectric constant, when the liquid metal microwave transmission line is adopted for microwave transmission, energy loss is low, the size of parameters of an equivalent circuit of the transmission line can be changed by stretching the transmission line, and the liquid metal microwave transmission line has good flexibility, so that the liquid metal transmission line cannot be damaged in the stretching process.
According to the embodiment of the present invention, the type of liquid metal that may be used to form the liquid wire 1 is not particularly limited, and any metal in a liquid state may be used. According to an embodiment of the present invention, a metal that is in a liquid state at normal temperature may be used. Thus, manufacturing and use costs may be reduced. Further, in accordance with a specific embodiment of the present invention, in one embodiment of the present invention, the liquid metal is formed of one selected from gallium, gallium indium alloy. The liquid metal is liquid at normal temperature, has fluidity compared with a solid wire, can be conveniently stretched, and can stably and reasonably fill a cavity or form a conformal wrapping target in application. Mercury and cesium are liquid at normal temperature, but since mercury is highly toxic, cesium is very unstable in air and water, and therefore is not suitable for use in making liquid conductors for transmission lines. In one embodiment of the present invention, the liquid metal microwave transmission line is in the form of at least one of a parallel twin line, a coaxial line, a strip line, a microstrip line, a rectangular waveguide, a circular waveguide, or other irregular planar transmission line. Therefore, the microwave transmission device can be suitable for various microwave transmission requirements.
A number of different types of liquid metal microwave transmission lines that may be employed are shown in fig. 1.
Fig. 1a shows a parallel double-line type liquid metal microwave transmission line, in which air is used as a medium between two parallel wires, and the distance between the two wires can be adjusted at any time.
Fig. 1b shows another parallel twin-line type liquid metal microwave transmission line, the medium of the two wire pieces is filled with a sheath material, the distance between the twin lines is basically fixed, but the use is convenient.
Fig. 1c shows a rectangular waveguide liquid metal microwave transmission line, which has a simple structure and high mechanical strength, and can avoid external interference and radiation loss due to a closed structure. As shown in fig. 1c, air 3 is present inside the rectangular wire, so the conductor loss is low and the power capacity is large.
Fig. 1d shows a circular waveguide transmission line having the same characteristics as a rectangular waveguide and having axial symmetry.
Fig. 1e shows a microwave transmission line with a strip line structure, which belongs to a dual-liquid metal transmission line, wherein the upper and lower liquid metal strips are grounding plates, and the middle liquid metal strip is a conduction strip.
Figure 1f shows a microstrip line type microwave transmission line. As shown in fig. 1f, the upper liquid metal strip is a conduction band, the lower liquid metal strip is a ground plate, and the middle is filled with a sheath material as a dielectric substrate. It will be understood by those skilled in the art that the terms "upper" and "lower" are used herein to describe the manner in which the figures are drawn.
Fig. 1g shows an irregular transmission surface. As shown in fig. 1g, the volume of the transfer surface increases with the continuous injection of liquid metal.
Next, the method for preparing the liquid metal microwave transmission line of the present invention is described. According to an embodiment of the invention, the method comprises the steps of: first, a cavity sheath is provided in which a wire space is defined, and then, a liquid metal is injected into the wire space of the sheath to form a wire in the wire space. Thus, the liquid metal microwave transmission line as described above can be efficiently manufactured using the method according to the embodiment of the present invention. According to an embodiment of the present invention, a pump may be used to provide power to inject liquid metal into the wire space. Thereby, the efficiency of manufacturing the aforementioned liquid metal microwave transmission line can be further improved.
In particular, with reference to fig. 2, the process of injecting and extracting liquid metal in use of a liquid metal microwave transmission line according to an embodiment of the present invention is illustrated. First a hollow transmission line is provided, i.e. a sheath with only wire space and no injected liquid metal. When the microwave transmission device is used, the hollow transmission line is placed as required, then the liquid metal container is opened, the conversion head is installed, power is provided through the pump, liquid metal is injected into the transmission line, and after the liquid metal is injected, the conversion head is pulled out, so that microwave transmission can be carried out through the transmission line. After the liquid metal recovery device is used, the liquid metal in the transmission line can be recovered, the specific operation is to install the conversion head and provide counter power through the pump to draw the liquid metal back from the transmission line. Therefore, the liquid metal can be reused, and the cost is greatly reduced. In addition, those skilled in the art will appreciate that the features and advantages described above with respect to the liquid metal microwave transmission line are also applicable to the method of manufacturing the liquid metal microwave transmission line, and will not be described in detail.
Fig. 3 illustrates that the transmission surface of the liquid metal microwave transmission line according to the embodiment of the present invention may be in close contact with a target object. As shown in fig. 3, the target object is irregular, concave and convex, and the conventional transmission line has no way of completely contacting the target object. The liquid metal transmission line is not filled with liquid metal initially, so the volume of the coiled transmission line is very small when the liquid metal reaches a target object, the liquid metal transmission line is easy to operate, when the liquid metal touches the target object, the liquid metal transmission surface is poured, the liquid metal transmission surface is very flexible, the originally coiled transmission surface is slowly unfolded along with the injection of the liquid metal, the position is determined according to the shape of the target object, the liquid metal transmission line is in close contact with the target object, and the effective contact surface is increased. Therefore, the efficiency of transmitting the microwave is effectively improved.
Those skilled in the art will appreciate that the features and advantages described above with respect to the liquid metal microwave transmission line are of course applicable to the method of preparing the microwave transmission line and will not be described in detail. Therefore, the invention also provides the application of the liquid metal microwave transmission line in microwave transmission.
In summary, the liquid metal microwave transmission line according to the embodiments of the present invention has at least one of the following advantages compared with the conventional microwave transmission line:
1. if the traditional microwave transmission line made of solid metal is suddenly broken, charges can be accumulated at the broken part, and the dielectric material adopted by the liquid metal microwave transmission line is liquid, so that the microwave transmission line is not easy to break and has good repairability;
2. the length and the thickness of the traditional microwave transmission line made of solid metal are fixed, while the liquid metal microwave transmission line provided by the embodiment of the invention has good flexibility, the parameter size of the equivalent circuit of the microwave transmission line can be changed through stretching treatment, and the liquid metal transmission line cannot be damaged in the stretching process;
3. the liquid metal microwave transmission line has good flexibility, can be made into various shapes, randomly changes the transmission direction of the electromagnetic waves, and does not cause the reflection of the electromagnetic waves when being bent;
4. according to the embodiment of the invention, the liquid metal in the liquid metal microwave transmission line can be reused, so that the cost is reduced;
5. the liquid metal microwave transmission line can ensure that the components and the transmission line are in good contact with each other and the transmission line is in good contact with each other; and
6. because the liquid metal used as the transmission medium in the liquid metal microwave transmission line has fluidity and the sheath adopted in the liquid metal microwave transmission line according to the embodiment of the invention can be made into any shape, the microwave transmission line can be stably and reasonably filled in the cavity or a conformal coating target, and the application range and the effect of microwave transmission are greatly increased.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (7)
1. A liquid metal microwave transmission line, comprising:
a sheath defining a wire space therein, an
A liquid conductor disposed within the sheath,
wherein,
the sheath has certain elasticity;
the liquid conductor is formed of a liquid metal.
2. The liquid metal microwave transmission line of claim 1, wherein the sheath is formed of at least one selected from the group consisting of PDMS, silicone rubber, and rubber.
3. A liquid metal microwave transmission line as claimed in claim 1, wherein the liquid metal is formed of at least one selected from gallium, indium, gallium-indium alloy.
4. The liquid metal microwave transmission line of claim 1 in the form of at least one of a parallel twin line, a coaxial line, a stripline, a microstrip, a rectangular waveguide, a circular waveguide.
5. A method for manufacturing a liquid metal microwave transmission line according to any one of claims 1 to 4, comprising:
providing a sheath, wherein a lead space is defined in the sheath, and the sheath has certain flexibility; and
injecting a liquid metal into the sheath to form a wire in the wire space.
6. A microwave transmission method, characterized in that the liquid metal microwave transmission line of any claim 1 to 4 is adopted.
7. Use of a liquid metal microwave transmission line according to any one of claims 1 to 4 in microwave transmission.
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|---|---|---|---|
| CN201310259413.7A CN103346371B (en) | 2013-03-18 | 2013-06-26 | Liquid metal microwave transmission line and its production and use |
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| CN2013100864451 | 2013-03-18 | ||
| CN201310086445.1 | 2013-03-18 | ||
| CN201310086445 | 2013-03-18 | ||
| CN201310259413.7A CN103346371B (en) | 2013-03-18 | 2013-06-26 | Liquid metal microwave transmission line and its production and use |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106328262A (en) * | 2016-09-14 | 2017-01-11 | 中国科学院宁波材料技术与工程研究所 | Cuttable flexible wire and preparation device and preparation method thereof |
| CN108307262A (en) * | 2017-01-12 | 2018-07-20 | 中国科学院宁波材料技术与工程研究所 | The multi-functional stretchable earphone of one kind and control method |
| CN108601124A (en) * | 2018-05-04 | 2018-09-28 | 北京梦之墨科技有限公司 | A kind of heating wire and electric calorifie installation |
| CN108649362A (en) * | 2018-04-12 | 2018-10-12 | 北京梦之墨科技有限公司 | Conducting connecting part and its manufacturing method |
| CN113096892A (en) * | 2021-04-21 | 2021-07-09 | 中国科学院理化技术研究所 | Preparation method of liquid metal wire and liquid metal wire |
| CN114864182A (en) * | 2022-05-27 | 2022-08-05 | 中钢集团南京新材料研究院有限公司 | Flexible multifunctional metal wire capable of being bent at will and preparation method thereof |
| CN118392220A (en) * | 2024-06-25 | 2024-07-26 | 华东交通大学 | Flexible sensor and preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328262A (en) * | 2016-09-14 | 2017-01-11 | 中国科学院宁波材料技术与工程研究所 | Cuttable flexible wire and preparation device and preparation method thereof |
| CN108307262A (en) * | 2017-01-12 | 2018-07-20 | 中国科学院宁波材料技术与工程研究所 | The multi-functional stretchable earphone of one kind and control method |
| CN108307262B (en) * | 2017-01-12 | 2023-10-24 | 中国科学院宁波材料技术与工程研究所 | Multifunctional stretchable earphone and control method |
| CN108649362A (en) * | 2018-04-12 | 2018-10-12 | 北京梦之墨科技有限公司 | Conducting connecting part and its manufacturing method |
| CN108649362B (en) * | 2018-04-12 | 2024-02-23 | 北京梦之墨科技有限公司 | Conductive connector and manufacturing method thereof |
| CN108601124A (en) * | 2018-05-04 | 2018-09-28 | 北京梦之墨科技有限公司 | A kind of heating wire and electric calorifie installation |
| CN108601124B (en) * | 2018-05-04 | 2024-05-03 | 北京梦之墨科技有限公司 | Electric heating wire and electric heating device |
| CN113096892A (en) * | 2021-04-21 | 2021-07-09 | 中国科学院理化技术研究所 | Preparation method of liquid metal wire and liquid metal wire |
| CN114864182A (en) * | 2022-05-27 | 2022-08-05 | 中钢集团南京新材料研究院有限公司 | Flexible multifunctional metal wire capable of being bent at will and preparation method thereof |
| CN118392220A (en) * | 2024-06-25 | 2024-07-26 | 华东交通大学 | Flexible sensor and preparation method and application thereof |
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| CN103346371B (en) | 2016-06-29 |
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