CN110067064B - Sensor fabric capable of cutting water drops - Google Patents
Sensor fabric capable of cutting water drops Download PDFInfo
- Publication number
- CN110067064B CN110067064B CN201910313580.2A CN201910313580A CN110067064B CN 110067064 B CN110067064 B CN 110067064B CN 201910313580 A CN201910313580 A CN 201910313580A CN 110067064 B CN110067064 B CN 110067064B
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- conductive
- yarns
- warp yarns
- fabric
- weft
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- 239000004744 fabric Substances 0.000 title claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 208000028399 Critical Illness Diseases 0.000 description 1
- 206010015866 Extravasation Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000027939 micturition Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Woven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a water drop sensor fabric capable of being cut, which comprises warp yarns and weft yarns which are intersected vertically, wherein the warp yarns and the weft yarns are conductive and nonconductive, and the nonconductive weft yarns and the nonconductive warp yarns are interwoven to form a fabric main body; the conductive weft yarns are woven in the fabric main body at intervals along the warp direction, the number of the conductive warp yarns is 2N, wherein N is a positive integer, the 2N conductive warp yarns are woven on one side of the fabric and are separated from each other by the non-conductive warp yarns, and the conductive warp yarns are divided into inner and outer 2 groups, and each group comprises N conductive warp yarns; the first conductive weft yarn is only in contact and electrical conduction with one group of conductive warp yarns, and is mutually isolated and electrically insulated from the other group of conductive warp yarns, and the second conductive weft yarn is in contact or isolation with the conductive warp yarns, which is opposite to the first conductive weft yarn, so that the first conductive weft yarn and the second conductive weft yarn are reciprocally circulated. The fabric can be cut at will without affecting the detection function, has higher stability and avoids the waste of materials.
Description
Technical Field
The invention relates to a water drop sensor fabric, in particular to a water drop sensor fabric capable of being cut, and belongs to the technical field of textile technology and sensors.
Background
At present, a few small water drop sensors exist in the market, and can be applied to intelligent curtains, automobile windshield wipers and other occasions needing to detect whether water drops exist. The water drop sensor is formed by plating two grid electrodes on a micro circuit board, works by utilizing the conductivity of water, has stable performance and can meet the use requirements of common occasions. However, the disadvantages of such a water droplet sensor are also evident: the area of the sensor is small, only detection with small area and fixed position can be realized, and the sensor is not applicable to some important fields. For example, modern machine rooms are equipped with a precise air conditioning system because of the need for strict temperature and humidity control due to the centralized installation of a large number of important information devices such as servers and workstations. In this case, the object to be waterproofed is condensed water whose position is not determined, and detection cannot be performed in a large area. For another example, in the medical field, there is a need to monitor blood extravasation or perspiration and urination of critically ill patients at any time, not only requiring a large area drip sensor, but also requiring flexibility.
The Chinese patent No. 201610107158.8 of the inventor named as 'water drop sensor fabric and a production method thereof' provides a water drop sensor fabric, which realizes detection under the conditions of large area, less water drops and uncertain positions, and can adapt to various different shapes and environments due to the flexibility of the fabric, but the sensor fabric has a plurality of defects, namely that the leading-out electrodes of the sensor fabric are arranged on two sides of the fabric respectively, so that the sensor fabric cannot be cut along the warp direction in use, and market products of the sensor fabric are customized, so that the application range of the sensor fabric is limited.
Therefore, the sensor fabric which can be cut without affecting the detection function can be researched and manufactured, the applicability of the sensor fabric can be greatly improved, and the market prospect is wide.
Disclosure of Invention
The present invention is directed to a tailorable water drop sensor fabric that overcomes all or one of the above-identified deficiencies in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
According to one aspect of the invention, a tailorable water drop sensor fabric comprises warp yarns and weft yarns which are intersected vertically, wherein the warp yarns and the weft yarns are conductive and nonconductive, and the nonconductive weft yarns and the nonconductive warp yarns are interwoven to form a fabric body; the conductive weft yarns are woven in the fabric main body at intervals along the warp direction, the number of the conductive warp yarns is 2N, wherein N is a positive integer, the 2N conductive warp yarns are woven on one side of the fabric and are separated from each other by the non-conductive warp yarns, and the conductive warp yarns are divided into inner and outer 2 groups, and each group comprises N conductive warp yarns; the first conductive weft yarn is only in contact and electrical conduction with one group of conductive warp yarns, and is mutually isolated and electrically insulated from the other group of conductive warp yarns, and the second conductive weft yarn is in contact or isolation with the conductive warp yarns, which is opposite to the first conductive weft yarn, so that the first conductive weft yarn and the second conductive weft yarn are reciprocally circulated.
As a further preferred aspect of the present invention, the aforementioned cuttable water droplet sensor fabric has conductive weft yarns and conductive warp yarns isolated from each other and electrically insulated by an insulating adhesive.
As a further preferred aspect of the present invention, the aforementioned cuttable water drop sensor fabric has a conductive warp yarn under and a conductive weft yarn over when insulating the conductive weft yarn from the conductive warp yarn by an insulating adhesive.
As a further preferred aspect of the present invention, the insulating paste is brushed onto the conductive warp yarns.
As a further preferred aspect of the present invention, the N is a positive integer of 2 to 10; more preferably, said N is a positive integer from 2 to 5.
According to another aspect of the invention, a tailorable water drop sensor fabric includes vertically intersecting warp and weft yarns, both conductive and non-conductive weft yarns interwoven with the non-conductive warp yarns to form a fabric body; the conductive weft yarns are woven in the fabric main body at intervals along the warp direction, the conductive warp yarns are provided with 4N, wherein N is a positive integer, the conductive weft yarns are woven on two sides of the fabric respectively, 2N conductive weft yarns on each side are separated from each other by non-conductive warp yarns, each side of the conductive weft yarns is divided into inner and outer 2 groups, and each group of N conductive weft yarns is provided with N conductive weft yarns; the first conductive weft yarn is only in contact and electrical conduction with one group of conductive warp yarns in the conductive warp yarns at two sides respectively, and is isolated and electrically insulated from the other group of conductive warp yarns in the conductive warp yarns at two sides respectively, and the condition that the second conductive weft yarn is in contact with or isolated from the conductive warp yarns is exactly opposite to the first conductive weft yarn, so that the first conductive weft yarn and the second conductive weft yarn are reciprocally circulated.
As a further preferred aspect of the present invention, the aforementioned cuttable water droplet sensor fabric has conductive weft yarns and conductive warp yarns isolated from each other and electrically insulated by an insulating adhesive.
As a further preferred aspect of the present invention, the aforementioned cuttable water drop sensor fabric has a conductive warp yarn under and a conductive weft yarn over when insulating the conductive weft yarn from the conductive warp yarn by an insulating adhesive.
As a further preferred aspect of the present invention, the insulating paste is brushed onto the conductive warp yarns.
As a further preferred aspect of the present invention, the N is a positive integer of 1 to 10.
Compared with the prior art, the invention has the following advantages:
The water drop sensor fabric capable of being cut can be cut at will without affecting the detection function, has higher stability, and can better avoid the waste of materials.
Drawings
FIG. 1 is a schematic diagram of a cuttable water drop sensor fabric according to one embodiment of the present invention.
Fig. 2 is a schematic diagram of the working principle of the tailorable water droplet sensor fabric shown in fig. 1.
FIG. 3 is a schematic view of the tailorable water drop sensor fabric of FIG. 1 after cutting.
Fig. 4 is a schematic structural view of a cuttable water droplet sensor fabric according to another embodiment of the present invention.
Fig. 5 is a schematic structural view of a cuttable water droplet sensor fabric according to another embodiment of the present invention.
Fig. 6 is a schematic view of the left right hand portion of the tailorable water droplet sensor fabric of fig. 5 after being cut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention, and the scope of protection of the present invention is not limited thereto.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a cuttable water drop sensor fabric according to an embodiment of the invention. The fabric body is formed by vertically interweaving a plurality of non-conductive warp yarns 1 and non-conductive weft yarns 2, the conductive weft yarns 201 and 202 are woven into the fabric at intervals, and a plurality of conductive weft yarns are also arranged in the warp direction of the whole fabric. At the left side fabric edge there are arranged 2 conductive warp yarns 101, 102 separated by a non-conductive warp yarn 1. When the first conductive weft yarn 201 is woven, the first conductive weft yarn is normally interwoven with the conductive warp yarn 101, and is mutually contacted and electrically conducted; isolated and electrically insulated from the conductive warp yarns 102 by the insulating glue 3. When the second conductive weft yarn 202 is woven, the second conductive weft yarn is isolated from the conductive warp yarn 101 through the insulating glue 3 and is electrically insulated; normally interweaving with the conductive warp yarns 102, contacting each other and electrically conducting. Other conductive weft yarns on the fabric are woven in one by one according to the rule of the conductive weft yarns 201 and 202, so that the conductive warp yarn 101 is conducted with the odd conductive weft yarns, the conductive warp yarn 102 is conducted with the even conductive weft yarns, and the conductive warp yarns 101 and 102 are not conducted with each other when normal.
In addition, when the conductive weft yarn is isolated from the conductive warp yarn by the insulating glue, for example, the conductive weft yarn 201 and the conductive warp yarn 102, the conductive warp yarn 102 is arranged below, and the insulating glue 3 is arranged above, and the conductive weft yarn 201 is arranged above, so that the purpose of the production is convenient. The specific production process is as follows: before weaving the conductive weft yarn 201, the conductive warp yarn 102 is brushed by a brush with insulating glue, the conductive warp yarn 101 is not treated, and then the conductive weft yarn 201 is woven normally when the conductive warp yarn 102 is positioned below the shed, so that the conductive weft yarn 201 and the conductive warp yarn 101 are contacted with each other and electrically conducted, and are isolated from each other and electrically insulated from the conductive warp yarn 102.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating the working principle of the water drop sensor fabric capable of being cut as shown in fig. 1. When water drops 9 exist on the fabric, the non-conductive warp yarns and weft yarns in the area absorb water and become conductive, so that the conductive warp yarns 101 and 102 are conducted, and the conducting paths are the conductive warp yarn 101, the conductive weft yarn 201, the water drops 9, the conductive weft yarn 202 and the conductive warp yarn 102. It is obvious that in this embodiment, the conductive warp yarns 101 and 102 are used as the leading-out electrodes, the conductive weft yarns 201 and 202 are used as the detecting electrodes, and whether water drops exist on the fabric surface can be judged according to whether the conductive warp yarns 101 and 102 are conducted or not in use.
Referring to fig. 3, fig. 3 is a schematic diagram of the cut water drop sensor fabric shown in fig. 1. When the fabric in fig. 1 is cut along the folding line AB, the fabric shown in fig. 3 is obtained, and the guiding-out electrodes, i.e. the conductive warp yarns 101 and 102, remain after cutting, so that the fabric still has a detection function. The conducting path in the figure is conductive warp yarn 101- & gt conductive weft yarn 203- & gt water drop 9- & gt conductive weft yarn 202- & gt conductive warp yarn 102.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a cuttable water drop sensor fabric according to another embodiment of the present invention, in which conductive warp yarns are added. When one of the 2 conductive warp yarns of the fabric in fig. 1 breaks, the detection function of the whole fabric is lost, so that several conductive warp yarns can be provided. In fig. 4,4 conductive warp yarns are arranged and all located on the same side selvedge of the fabric, and are divided into inner and outer groups, wherein the inner groups are that the contact or isolation condition of the conductive warp yarns 102, 104 and the conductive weft yarns is the same as that of 102; the outer group is the same as 101 in the contact or isolation of the conductive warp yarns 101, 103 with the conductive weft yarns. Thus, even if 1 conductive warp yarn is broken or 1 conductive warp yarn is broken in the inner group and the outer group, the detection function of the whole fabric is not lost, so that the stability in use is increased. Furthermore, if the number of conductive warp yarns is further increased, for example, to 6, 8, 10, … …,20, i.e., 3,4, 5, … …,10 per group, the stability is further improved. However, the increase of the conductive warp yarns will increase the difficulty of production, and the number of conductive warp yarns is suitably less than 10 because more insulating glue needs to be brushed.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a cuttable water drop sensor fabric according to another embodiment of the present invention, wherein conductive warp yarns are disposed on both sides of the fabric. The fabrics shown in fig. 1 and 4 can be cut out for use, but only the part containing the leading-out electrode, i.e. the conductive warp yarn, i.e. the left half part, but the right half part has no detection function because of no leading-out electrode, and can only be discarded in use, thus causing a certain degree of waste. Fig. 5 provides 4 conductive warp yarns, 101, 102 on the left and 111, 112 on the right. When the first conductive weft yarn 201 is woven, the first conductive weft yarn is respectively and normally interwoven with the left conductive warp yarn 101 and the right conductive warp yarn 111, so that the first conductive weft yarn is in contact with and electrically connected with the left conductive warp yarn 101 and the right conductive warp yarn 111, and is isolated and electrically insulated from the left conductive warp yarn 102 and the right conductive warp yarn 112 through the insulating glue 3; the second conductive weft yarn 202 is in contact with or isolated from the conductive warp yarn in the opposite direction to the first conductive weft yarn 201, i.e. in contact with and electrically connected to the left conductive warp yarn 102 and the right conductive warp yarn 112, and is isolated and electrically insulated from the left conductive warp yarn 101 and the right conductive warp yarn 111 by the insulating glue 3. Thus, conductive warp yarns 101 and 102 constitute left-side lead-out electrodes, and conductive warp yarns 111 and 112 constitute right-side lead-out electrodes. When the conductive warp yarn is used, whether water drops exist on the cloth surface of the fabric can be judged only according to whether the leading-out electrode on one side is conducted, namely, whether the conductive warp yarns 101 and 102 or the conductive warp yarns 111 and 112 are conducted.
When the fabric of fig. 5 is cut along the folding line AB, the left half of the fabric of fig. 3 is obtained, and the fabric can be used normally; the right half is the fabric of fig. 6, which can still be used normally.
In order to increase the stability in use and prevent the detection function from being lost due to breakage of the conductive warp yarns, the conductive warp yarns on the left side and the right side can be increased as shown in fig. 4, for example, 8, 12, 16, … … and 40 conductive warp yarns are arranged, namely, 4,6, 8, … … and 20 conductive warp yarns on each side; each side is divided into an inner group and an outer group, and each group is divided into 2,3, 4, … … and 10 groups.
Obviously, when the embodiment is adopted, the fabric can be cut at will without affecting the use, and the fabric can be processed and produced relatively conveniently; higher stability can be achieved when multiple conductive warp yarns are used; the structure that the two sides are provided with a plurality of conductive warp yarns can be used for realizing the use of the left half part and the right half part after the detection, so that the waste is avoided.
The present invention has been disclosed in the preferred embodiments, but the invention is not limited thereto, and the technical solutions obtained by adopting equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (11)
1. The water drop sensor fabric capable of being cut is characterized by comprising warp yarns and weft yarns which are intersected vertically, wherein the warp yarns and the weft yarns are conductive and nonconductive, and the nonconductive weft yarns and the nonconductive warp yarns are interwoven to form a fabric main body; the conductive weft yarns are woven in the fabric main body at intervals along the warp direction, the number of the conductive warp yarns is 2N, wherein N is a positive integer, the 2N conductive warp yarns are woven on one side of the fabric and are separated from each other by the non-conductive warp yarns, and the conductive warp yarns are divided into inner and outer 2 groups, and each group comprises N conductive warp yarns; the first conductive weft yarn is only in contact and electrical conduction with one group of conductive warp yarns, and is mutually isolated and electrically insulated from the other group of conductive warp yarns, and the second conductive weft yarn is in contact or isolation with the conductive warp yarns, which is opposite to the first conductive weft yarn, so that the first conductive weft yarn and the second conductive weft yarn are reciprocally circulated.
2. The tailorable water drop sensor fabric of claim 1, wherein the conductive weft yarns and the conductive warp yarns are isolated from each other and electrically insulated by an insulating glue.
3. The tailorable water drop sensor fabric of claim 2, wherein the conductive warp yarns are down and the conductive weft yarns are up when the conductive weft yarns are isolated from the conductive warp yarns by an insulating glue.
4. A tailorable water droplet sensor fabric according to claim 3, wherein the insulating glue is brushed onto the conductive warp yarns.
5. The tailorable water droplet sensor fabric of claim 1, wherein N is a positive integer from 2 to 10.
6. The tailorable water droplet sensor fabric of claim 5, wherein N is a positive integer from 2 to 5.
7. The water drop sensor fabric capable of being cut is characterized by comprising warp yarns and weft yarns which are intersected vertically, wherein the warp yarns and the weft yarns are conductive and nonconductive, and the nonconductive weft yarns and the nonconductive warp yarns are interwoven to form a fabric main body; the conductive weft yarns are woven in the fabric main body at intervals along the warp direction, the conductive warp yarns are provided with 4N, wherein N is a positive integer, the conductive weft yarns are woven on two sides of the fabric respectively, 2N conductive weft yarns on each side are separated from each other by non-conductive warp yarns, each side of the conductive weft yarns is divided into inner and outer 2 groups, and each group of N conductive weft yarns is provided with N conductive weft yarns; the first conductive weft yarn is only in contact and electrical conduction with one group of conductive warp yarns in the conductive warp yarns at two sides respectively, and is isolated and electrically insulated from the other group of conductive warp yarns in the conductive warp yarns at two sides respectively, and the condition that the second conductive weft yarn is in contact with or isolated from the conductive warp yarns is exactly opposite to the first conductive weft yarn, so that the first conductive weft yarn and the second conductive weft yarn are reciprocally circulated.
8. The tailorable water drop sensor fabric of claim 7, wherein the conductive weft yarns and the conductive warp yarns are insulated from each other and electrically insulated by an insulating glue.
9. The tailorable water drop sensor fabric of claim 8, wherein the conductive warp yarns are down and the conductive weft yarns are up when the conductive weft yarns are isolated from the conductive warp yarns by an insulating glue.
10. The tailorable water drop sensor fabric of claim 9, wherein the insulating glue is brushed onto the conductive warp yarns.
11. The tailorable water droplet sensor fabric of claim 7, wherein N is a positive integer from 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313580.2A CN110067064B (en) | 2019-04-18 | 2019-04-18 | Sensor fabric capable of cutting water drops |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313580.2A CN110067064B (en) | 2019-04-18 | 2019-04-18 | Sensor fabric capable of cutting water drops |
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| CN110067064A CN110067064A (en) | 2019-07-30 |
| CN110067064B true CN110067064B (en) | 2024-05-31 |
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| CN201910313580.2A Active CN110067064B (en) | 2019-04-18 | 2019-04-18 | Sensor fabric capable of cutting water drops |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110499564A (en) * | 2019-08-30 | 2019-11-26 | 盐城工业职业技术学院 | A kind of signal both-side output type liquid leakage sensor fabric |
| CN110512332A (en) * | 2019-08-30 | 2019-11-29 | 盐城工业职业技术学院 | A kind of liquid leakage sensor fabric |
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| EP2206813A1 (en) * | 2009-01-09 | 2010-07-14 | Strähle + Hess GmbH | Conductive textile and interior component for motor vehicles with a conductive textile |
| JP2013016069A (en) * | 2011-07-05 | 2013-01-24 | Dainippon Printing Co Ltd | Transparent electrode sensor for touch panel, touch panel, filament bundle for transparent electrode sensor, and fabric for transparent electrode sensor |
| CN103998073A (en) * | 2011-09-21 | 2014-08-20 | 弗雷泽纽斯医疗保健德国有限公司 | Weaving method for the production of a plurality of moisture sensors for a device for monitoring an access in a patient |
| CN105568503A (en) * | 2016-02-26 | 2016-05-11 | 盐城工业职业技术学院 | Water drop sensor fabric and production method thereof |
| CN105615425A (en) * | 2015-12-18 | 2016-06-01 | 南方寝饰科技有限公司 | Sheet having automatic water-wetting alarming function |
| CN108593157A (en) * | 2018-03-13 | 2018-09-28 | 上海思澄智能科技有限公司 | A kind of pressure distributed monitoring fabric sensor |
| CN210262176U (en) * | 2019-04-18 | 2020-04-07 | 盐城工业职业技术学院 | Tailorable water drop sensor fabric |
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2019
- 2019-04-18 CN CN201910313580.2A patent/CN110067064B/en active Active
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|---|---|---|---|---|
| EP2206813A1 (en) * | 2009-01-09 | 2010-07-14 | Strähle + Hess GmbH | Conductive textile and interior component for motor vehicles with a conductive textile |
| JP2013016069A (en) * | 2011-07-05 | 2013-01-24 | Dainippon Printing Co Ltd | Transparent electrode sensor for touch panel, touch panel, filament bundle for transparent electrode sensor, and fabric for transparent electrode sensor |
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