JP2023116955A - Moisture detection tag - Google Patents

Abstract

To detect the generation of moisture even with a small amount of moisture and to reuse at low cost.SOLUTION: The generation of moisture is detected by absorbing moisture with an insulation sheet 50 peelably attached to a base substrate 10 on which two detection wirings 13a and 13b are provided to detect the generation of moisture.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a technique for detecting the generation of moisture without visual inspection.

In recent years, with the diversification of medical products, diapers have been developed and sold not only for infants but also for elderly people. Since such diapers are preferably replaced as soon as possible after the wearer has excreted, mechanisms have been devised to notify the wearer of the excretion. As one of them, a mechanism that changes color when the wearer excretes is adopted. However, diapers that notify excretion by discoloration are easy to check for discoloration in the case of infants. difficult to recruit.

Here, in Patent Document 1, at least a part of the IC tag circuit is provided with a region that is cut off by contact with water. Disclosed is a disposable wetness detection sensor that can know when to change a diaper by sending an abnormality. By attaching such a wetness detection sensor to a diaper, it becomes possible to grasp that the wearer of the diaper has excreted without looking.

Japanese Patent Application Laid-Open No. 2021-67660

However, the material disclosed in Patent Document 1 cannot be reused because it dissolves and the circuit is interrupted when it gets wet with water during defecation or urination. Particularly in nursing care facilities, it is desirable to enable reuse because it is required to reduce the cost of nursing care as much as possible.

Here, two detection wirings are formed on a hygroscopic base material, and when moisture adheres, the two detection wirings are short-circuited, and by detecting this, the generation of moisture is detected. Moisture detection tags are also contemplated. However, since the base material is hygroscopic, it takes a long time to dry the base material to such an extent that it can be reused after moisture has adhered, which is not practical. Therefore, if a material such as a film that is not hygroscopic is used as the base material, it can be reused simply by wiping off the adhered moisture after it has adhered. Since the moisture is not absorbed by the base material and flows along the surface of the base material, the location where the moisture detection tag is affixed to the diaper is strictly limited, and there is a possibility that even a small amount of moisture cannot be detected.

The present invention has been made in view of the problems of the prior art as described above, and is a moisture detection tag that can detect the generation of moisture even with a small amount of moisture and can be reused at low cost. intended to provide

In order to achieve the above object, the present invention
a base substrate made of a non-hygroscopic material;
An antenna and two detection wirings provided on the base substrate;
Detecting means provided on the base member connected to the antenna and the detection wiring, respectively, detects a state of continuity between the two detection wirings, and transmits the detection result via the antenna in a contactless manner. and,
an insulating sheet made of a hygroscopic material and detachably attached to the base material so as to straddle the two detection wirings;
The insulating sheet is electrically conductive adhesive laminated on a surface to be adhered to the base material so as to conduct with each of the two detection wirings and to insulate between the two detection wirings. A substance releasably adheres to the base substrate.

In the present invention constructed as described above, when water is generated, the generated water is absorbed by the insulating sheet. Then, the insulating sheet is electrically connected to each of the two detection wirings with respect to the base material, and the two detection wirings are separated by the conductive adhesive material laminated so as to insulate between the two detection wirings. Since the two detection wirings are attached so as to straddle the two detection wirings, the two detection wirings are electrically connected through the moisture-absorbed insulating sheet, and this conduction state is detected by the detection means. , moisture generation is detected. After use, since the insulating sheet is releasably attached to the base material, the moisture-absorbed insulating sheet is peeled off from the base material, and a new insulating sheet is attached to the base material. It can be reused by pasting. In this case, since the base material is made of a material that does not have hygroscopicity, even if water adheres to the base material, it is only necessary to wipe off the adhered water.

In this way, the moisture generated by the insulating sheet detachably adhered to the base material provided with the two detection wirings for detecting the generation of moisture is absorbed, thereby generating moisture. is detected, the generation of moisture can be detected even with a small amount of moisture, and the insulating sheet can be reused at low cost simply by replacing it.

Also, if the conductive adhesive material is laminated on the insulating sheet in dots, the insulating sheet can be easily peeled off from the base material, and the insulating sheet can be easily replaced after use.

Further, if the conductive adhesive material is also laminated in the area facing between the two detection wirings, the conductive adhesive material laminated in the area facing between the two detection wirings is electrically connected. As a result, even a small amount of moisture can be detected because the two detection wirings are in a conductive state.

Moreover, if a protective sheet is attached to the base material so as to cover the antenna and the detection means, the antenna and the detection means are protected from external forces and moisture.

According to the present invention, the moisture generated in the insulating sheet detachably adhered to the base material provided with two detection wirings for detecting the generation of moisture is absorbed and the moisture content is detected. can be detected, even with a small amount of moisture, it can be reused at low cost simply by replacing the insulating sheet.

In addition, in the case where the conductive adhesive material is laminated on the insulating sheet in dots, the insulating sheet can be easily peeled off from the base material, and the insulating sheet can be easily replaced after use.

Further, in the case where the conductive adhesive material is also laminated in the area facing between the two detection wirings, the conductive adhesive material laminated in the area facing between the two detection wirings is Since the two detection wirings are also brought into a conducting state by the conduction, the generation of moisture can be detected even with a small amount of moisture.

In addition, in the case of having a protective sheet adhered to the base member so as to cover the antenna and the detection means, the antenna and the detection means can be protected from external forces and moisture.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an embodiment of the moisture detection tag of the present invention, (a) is a view from the surface, (b) is a cross-sectional view along AA' shown in (a), and (c) is a ), (d) is a CC' cross-sectional view shown in (a), and (e) shows the configuration from which the waterproof sheet and the insulating sheet shown in (a) are removed. FIG. (f) is a diagram showing the structure of the back surface of the insulating sheet shown in (a). FIG. 2 is a diagram showing an example of usage of the moisture detection tag shown in FIG. 1, where (a) is an external view and (b) is a cross-sectional view taken along the line A-A' shown in (a). FIG. 3 is a diagram for explaining the action when the wearer of the diaper urinates while the moisture detection tag shown in FIG. 1 is attached to the diaper body as shown in FIG. 2; FIG. 2 is a diagram showing an example of a system for detecting urination by a diaper wearer using the moisture detection tag shown in FIG. 1; FIG. 5 is a flow chart for explaining a method for detecting urination by the person wearing the diaper 2 when the moisture detection tag shown in FIG. 1 is attached to the diaper body as shown in FIG. 2 in the system shown in FIG. 4; . FIG. 2 is a diagram for explaining the effect of the moisture detection tag shown in FIG. 1 in which the insulating sheet is detachably adhered to the base substrate with a conductive double-sided tape; FIG. 4 is a diagram showing another embodiment of an insulating sheet used in the moisture detection tag of the present invention;

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a view showing an embodiment of the moisture detection tag of the present invention, (a) is a view from the surface, (b) is a cross-sectional view along AA' shown in (a), (c) ) is a BB′ cross-sectional view shown in (a), (d) is a CC′ cross-sectional view shown in (a), (e) is the waterproof sheet 20 and the insulating sheet 50 shown in (a) FIG. 10(f) is a view showing the configuration of the back surface of the insulating sheet 50 shown in FIG. 1(a).

In this embodiment, as shown in FIG. 1, a waterproof sheet 20 and an insulating sheet 50 are laminated and adhered to the surface of the base material 10, and a release paper 40 is peelable from the back surface of the base material 10. It is a moisture detection tag 1 that is configured by sticking.

The base substrate 10 is made of a non-hygroscopic material such as a film, and has a rectangular shape. An antenna 12 for non-contact communication and two detection wirings 13a and 13b are formed on one surface of the base material 10, and an IC chip 11 serving as detection means is mounted.

The antenna 12 is formed on one surface of the base material 10 so that two isosceles triangular conductors are arranged side by side with a gap therebetween. The shape of the antenna 12 is not limited to this, and various shapes such as two belt-like conductors arranged in a straight line with a gap interposed therebetween and a shape composed of one conductor are conceivable.

The two detection wirings 13a and 13b are connected at one end to the IC chip 11, extend parallel to each other in a direction away from the IC chip 11, and terminate.

The IC chip 11 is provided with two antenna terminals (not shown) and two detection terminals (not shown). It is mounted on the surface of the base material 10 on which the antenna 12 and the detection wirings 13a and 13b are formed, and fixed with an anisotropic conductive paste (not shown). An antenna terminal of the IC chip 11 is connected to the antenna 12, and a detection terminal of the IC chip 11 is connected to one end of each of the detection wirings 13a and 13b. The terminal is electrically connected to the antenna 12, and the detection terminal is electrically connected to the detection wirings 13a and 13b. The IC chip 11 detects the resistance value between the detection wirings 13a and 13b by causing the electric current obtained by contactless communication via the antenna 12 to flow through the detection wirings 13a and 13b, and detects the resistance value between the detection wirings 13a and 13b. The state of continuity between the detection wirings 13a and 13b is detected, the detection result is converted into digital information, and the digital information is transmitted via the antenna 12 in a non-contact manner.

The waterproof sheet 20 serves as a protective sheet in the present invention and has water resistance. The waterproof sheet 20 has an adhesive layer 30a laminated on the entire surface of one surface. 11 is exposed and laminated with an adhesive layer 30a. As the waterproof sheet 20, a waterproof tack paper having an adhesive layer 30a laminated on one side of the waterproof sheet 20 can be used. By covering the IC chip 11 and the antenna 12 with the waterproof sheet 20 in this manner, the IC chip 11 and the antenna 12 can be protected from external force and moisture.

The insulating sheet 50 is made of a hygroscopic material such as high-quality paper or coated paper, and can be peeled off from the base material 10 by a conductive double-sided tape 60 laminated on the back surface and serving as a conductive adhesive substance. affixed to. A conductive carbon double-sided tape or a conductive aluminum foil double-sided tape can be used as the conductive double-sided tape 60, and a conductive adhesive may be used instead of the conductive double-sided tape 60 as the conductive adhesive substance. good. The insulating sheet 50 is laminated on the base material 10 so as to straddle between the ends of the two detection wirings 13a and 13b opposite to the ends connected to the IC chip 11, but is electrically conductive. The double-sided tape 60 is laminated along two sides of the insulating sheet 50 facing each other, so that the two detection wirings 13a and 13b are electrically connected to each other, and the two detection wirings 13a are electrically connected. , 13b, so that when the insulating sheet 50 does not have conductivity, the two detection wirings 13a, 13b are not electrically connected. there is

The release paper 40 is configured by applying a release agent (not shown) to one surface of a release liner (not shown), and is detachably adhered to the base material 10 by an adhesive layer 30b.

The method of using the moisture detection tag 1 configured as described above and the operation thereof will be described below.

2A and 2B are diagrams showing an example of usage of the moisture detection tag 1 shown in FIG.

The moisture detection tag 1 shown in FIG. 1 can be attached to a diaper body 70 as shown in FIG.

In the diaper 2 shown in FIG. 2, a moisture detection tag is attached between the cover sheet 71 and the absorbent pad 72 in a region near the upper edge of the diaper body 70, which is constructed by attaching the absorbent pad 72 to the inner surface of the cover sheet 71. 1 are sandwiched. The moisture detection tag 1 is fixed between the cover sheet 71 and the water absorbing pad 72 by being attached to the cover sheet 71 by the exposed adhesive layer 30b after the release paper 40 is peeled off. By detecting the moisture absorbed by the water absorbent pad 72 due to urination, it is used to recognize that the wearer of the diaper 2 has urinated without looking. An example of the combination of the cover sheet 71 and the absorbent pad 72 is a commercially available combination of a diaper and an incontinence pad.

3A and 3B are diagrams for explaining the action when the wearer of the diaper 2 urinates while the moisture detection tag 1 shown in FIG. 1 is attached to the diaper main body 70 as shown in FIG. , a cross-section of the diaper 2;

When the wearer of the diaper 2 is not urinating while the moisture detection tag 1 shown in FIG. 1 is attached to the diaper body 70 as shown in FIG. Although it is laminated on the base material 10 so as to straddle the wirings 13a and 13b, it does not have conductivity, so the two detection wirings 13a and 13b are not conducting and are in a non-conducting state. ing.

1 attached to the diaper main body 70 as shown in FIG. 2, when the wearer of the diaper 2 urinates, as shown in FIG. Water will be absorbed by the water absorbing pad 72, but since the insulating sheet 50 of the moisture detection tag 1 interposed between the water absorbing pad 72 and the cover sheet 71 is made of a hygroscopic material, urine 3 Even if the moisture from the urine 3 does not adhere to the moisture detection tag 1, the moisture 3a from the urine 3 is absorbed by the insulating sheet 50.例文帳に追加Then, when the water vapor 3a from the urine 3 is absorbed by the insulating sheet 50, the insulating sheet 50 becomes conductive due to the water vapor 3a, and the two conductive double-sided tapes 60 laminated on the insulating sheet 50 are separated. , the two detection wirings 13a and 13b are in a conductive state through the insulating sheet 50. As shown in FIG. By detecting the state of continuity between the detection wirings 13a and 13b, it is detected that the wearer of the diaper 2 has urinated. The thickness of the insulating sheet 50 is not particularly limited. Since it is necessary to absorb a large amount of water vapor, the thickness is preferably 100 μm or less.

Thus, when the wearer of the diaper 2 does not urinate, the detection wirings 13a and 13b are in a non-conducting state. , 13b are in a conducting state, it is possible to detect that the wearer of the diaper 2 is urinating by detecting the conducting state between the detection wirings 13a and 13b. At this time, since the insulating sheet 50 laminated so as to straddle the detection wirings 13a and 13b is made of a hygroscopic material, moisture from the urine 3 of the wearer of the diaper 2 adheres to the moisture detection tag 1. Even if it is not done, the insulating sheet 50 absorbs the water vapor 3a from the urine 3, so that the two detection wirings 13a and 13b become conductive. As a result, urination can be detected even if there is a gap between the water-absorbent pad 72 and the moisture detection tag 1, and fine positioning is possible when the moisture detection tag 1 is adhered to the cover sheet 71. becomes unnecessary.

A specific method for detecting urination by the wearer of the diaper 2 using the moisture detection tag 1 utilizing the above-described action will be described below.

FIG. 4 is a diagram showing an example of a system for detecting urination by a wearer wearing a diaper 2 using the moisture detection tag 1 shown in FIG.

As a system for detecting urination of the person wearing the diaper 2 shown in FIG. 2 using the moisture detection tag 1 shown in FIG. A reader/writer 5 that is attached to a bed 4 on which a person sleeps and is a reading means capable of non-contact communication with respect to the moisture detection tag 1, and a management personal computer that is a processing means connected to the reader/writer 5 via a wire or radio. 6 is contemplated. By attaching only an antenna for non-contact communication with the moisture detection tag 1 to the bed 4 and connecting the reader/writer 5 to this antenna, the reader/writer 5 is placed between the moisture detection tag 1 and the antenna. It is good also as a structure which performs non-contact communication via. Further, the processing functions of the management personal computer 6 may be installed in the reader/writer 5 to integrate them.

FIG. 5 illustrates a method for detecting urination by the wearer of the diaper 2 when the moisture detection tag 1 shown in FIG. 1 is attached to the diaper body 70 as shown in FIG. 2 in the system shown in FIG. It is a flow chart for doing.

In the moisture detection tag 1 shown in FIG. 1, when the moisture detection tag 1 is detected by the reader/writer 5 (step 1), power is first supplied from the reader/writer 5 to the moisture detection tag 1. A command is sent to the moisture detection tag 1 to detect the state of continuity between the detection wirings 13a and 13b and transmit the detection result (step 2).

When the electric power supplied from the reader/writer 5 is obtained by the moisture detection tag 1 and the command transmitted from the reader/writer 5 is received by the IC chip 11 via the antenna 12 of the moisture detection tag 1 (step 3 ), current is supplied between the detection wirings 13 a and 13 b by the power supplied from the reader/writer 5 .

In the IC chip 11, by detecting the resistance value between the detection wirings 13a and 13b using the supplied current, the conduction state between the detection wirings 13a and 13b is detected (step 4). ). Here, when the moisture detection tag 1 is attached to the diaper main body 70 as shown in FIG. 2 and the wearer of the diaper 2 is not urinating, the detection wirings 13a and 13b are in a non-conducting state. . In this state, even if a current is supplied between the detection wirings 13a and 13b by the power supplied from the reader/writer 5, the detection wirings 13a and 13b are in a non-conducting state. , 13b, so that the resistance value detected in the IC chip 11 becomes almost infinite.

In the IC chip 11, when the detected resistance value is substantially infinite, it is determined that the detection wirings 13a and 13b are in a non-conducting state, and the determination result indicates that the detection wirings 13a and 13b are not electrically connected. is converted into digital information as a detection result of the continuity state, and transmitted to the reader/writer 5 via the antenna 12 in a non-contact manner (step 5). It should be noted that the resistance value detected by the IC chip 11 when the detection wirings 13a and 13b are in a conductive state is determined by the detection wirings 13a and 13b through the insulating sheet 50, as will be described later. In other words, the detection wiring 13a and the detection wiring 13b are connected to each other at the end opposite to the end connected to the IC chip 11. Therefore, the IC chip 11, the resistance value for judging that the detection wirings 13a and 13b are in a non-conducting state is not substantially infinite, but the end where the detection wirings 13a and 13b are connected to the IC chip 11. It is also possible to use one having a certain threshold value or higher, which is greater than the resistance value connected to each other at the end on the side opposite to the part.

On the other hand, when the moisture detection tag 1 is attached to the diaper body 70 as shown in FIG. Since a conductive state is established by short-circuiting through the insulating sheet 50, in the IC chip 11, the detection wiring 13a and the detection wiring 13b are connected between the regions where the insulating sheets 50 are laminated. A resistance value will be detected.

When the detection wiring 13a and the detection wiring 13b are short-circuited through the insulating sheet 50 to be in a conductive state, as described above, the detected resistance value varies between the detection wiring 13a and the detection wiring 13b. Since the wiring 13b and the wiring 13b are connected to each other at the end opposite to the end connected to the IC chip 11, the resistance value detected in the IC chip 11 is the same as that of the detection wiring 13a. and detection wiring 13b are connected to each other at the opposite end to the IC chip 11, the detection wiring 13a and 13b are considered to be in a conductive state. The result of the determination is converted into digital information as a detection result of the continuity state between the detection wirings 13a and 13b and transmitted to the reader/writer 5 via the antenna 12 in a contactless manner. When the detection wirings 13a and 13b are in a non-conducting state, the resistance value detected by the IC chip 11 becomes almost infinite as described above. As a resistance value for determining that the wirings 13a and 13b are in a conductive state, the detection wirings 13a and 13b are connected to each other at the ends opposite to the ends connected to the IC chip 11. Rather than using a given resistance value, a larger value below a certain threshold value may be used.

Thus, in the reader/writer 5, the continuity state between the detection wirings 13a and 13b detected by the moisture detection tag 1 is transmitted via the antenna 12 in a non-contact manner.

When the reader/writer 5 receives the detection result transmitted from the moisture detection tag 1 to the reader/writer 5 in a non-contact manner as described above (step 6), the detection result received by the reader/writer 5 is sent to the management computer. 6 (step 7).

When the management personal computer 6 receives the detection result transferred from the reader/writer 5 (step 8), the management personal computer 6 transmits the result from the moisture detection tag 1 to the reader/writer 5 in a non-contact manner. Based on the detection results transferred to , it is determined whether the wearer of the diaper 2 is urinating (step 9). Specifically, if the detection result transferred from the reader/writer 5 to the management personal computer 6 shows that the detection wirings 13a and 13b are in a non-conducting state, it is determined that the person wearing the diaper 2 is not urinating. When the detection wirings 13a and 13b are electrically connected, it is determined that the wearer of the diaper 2 is urinating.

In this way, the detection result of the moisture detection tag 1 is transmitted to the reader/writer 5 in a non-contact manner, and the detection result received by the reader/writer 5 is transferred to the management personal computer 6, whereby the wearer of the diaper 2 urinates. Therefore, it is not necessary to connect a member such as a tag for detecting the presence or absence of urination to a device for determining the presence or absence of urination with a physical cord, etc., which makes it difficult to handle. There is no

Here, the effect of the insulating sheet 50 being detachably adhered to the base material 10 by the conductive double-sided tape 60 will be described.

FIG. 6 is a diagram for explaining the effect of the moisture detection tag 1 shown in FIG. 1 in which the insulating sheet 50 is detachably adhered to the base material 10 with the conductive double-sided tape 60. As shown in FIG.

As described above, when the wearer of the diaper 2 urinates, the insulating sheet 50 becomes conductive due to the water vapor 3a of the urine 3. Therefore, in order to detect urination again, the insulating sheet 50 must be must be returned to a non-conductive state. For this purpose, it is necessary to dry the insulating sheet 50. However, since the insulating sheet 50 is detachably adhered to the base material 10, as shown in FIGS. The insulating sheet 50 that has absorbed the water vapor 3a from the urine 3 is peeled off from the base material 10, and a new insulating sheet 50a is adhered to the base material 10 as shown in FIG. The moisture detection tag 1 can be reused without drying the adhesive sheet 50.例文帳に追加At that time, since the insulating sheet 50 is releasably attached to the base material 10 with the conductive double-sided tape 60, the insulating sheet 50 is joined to the base material 10 using, for example, a hook-and-loop fastener. The adhesiveness between the conductive double-sided tape 60 and the two detection wirings 13a and 13b is enhanced compared to the conventional one, thereby ensuring electrical connection between the insulating sheet 50 and the detection wirings 13a and 13b. This makes it easier to detect even a small amount of moisture. Moreover, the detection wirings 13a, 13b and the like are not destroyed by peeling off the hook-and-loop fastener.

In addition, since the base material 10 is made of a material that does not have hygroscopicity, even if water vapor 3a or water from the urine 3 adheres, it is only necessary to wipe off the adhered water vapor 3a or water.

In this way, the moisture generated in the insulating sheet 50 peelably adhered to the base material 10 provided with the two detection wirings 13a and 13b for detecting the generation of moisture from the urine 3 is Since the generation of moisture is detected by absorbing moisture, the generation of moisture can be detected even with a small amount of moisture, and the insulating sheet 50 can be reused at low cost simply by replacing it.

(Other embodiments)
FIG. 7 is a diagram showing another embodiment of the insulating sheet used in the moisture detection tag of the present invention, showing the configuration of the back surface.

As for the insulating sheet used in the moisture detection tag of the present invention, a conductive adhesive substance is electrically connected to each of the two detection wirings 13a and 13b on the back surface of the insulating sheet to be attached to the base material 10. If the two detection wires 13a and 13b are laminated so as to insulate between the two wires 13a and 13b, then the conductive double-sided tape 60 is attached to the two opposing portions of the insulating sheet 50, as shown in FIG. Not limited to those laminated along the sides, as shown in FIG. 7(a), a conductive adhesive 61 is applied in dots in the area facing the two detection wirings 13a and 13b. may be

In this way, when the conductive adhesive 61 is applied in dots as a conductive adhesive substance to the regions facing the two detection wirings 13a and 13b, the insulating sheet 50 is peeled off from the base material 10. and the insulating sheet 50 can be easily replaced after use.

Furthermore, as shown in FIG. 7(b), if the conductive adhesive 61 is also applied in dots to the area facing between the two detection wirings 13a and 13b, when water is generated, Since the two detection wirings 13a and 13b are also brought into a conductive state by the conduction between the conductive adhesive 61 applied to the area facing the two detection wirings 13a and 13b, The generation of moisture can be detected even with a small amount of moisture.

In the above-described embodiment, the insulating sheet 50 extends across the base material so as to straddle the ends of the two detection wirings 13a and 13b opposite to the ends connected to the IC chip 11. 10, if the insulating sheet 50 is laminated on the base material 10 so as to straddle the two detection wirings 13a and 13b, the IC chip of the two detection wirings 13a and 13b It does not have to be laminated so as to straddle the end opposite to the end connected to 11 .

1 moisture detection tag 2 diaper 3 urine 3a water vapor 4 bed 5 reader/writer 6 management personal computer 10 base material 11 IC chip 12 antenna 13a, 13b wiring for detection 20 waterproof sheet 30a, 30b adhesive layer 40 release paper 50, 50a insulation Sheet 60 Conductive double-sided tape 61 Conductive adhesive 70 Diaper main body 71 Cover sheet 72 Absorption pad

Claims (4)

a base substrate made of a non-hygroscopic material;
An antenna and two detection wirings provided on the base substrate;
Detecting means provided on the base member connected to the antenna and the detection wiring, respectively, detects a state of continuity between the two detection wirings, and transmits the detection result via the antenna in a contactless manner. and,
an insulating sheet made of a hygroscopic material and detachably attached to the base material so as to straddle the two detection wirings;
The insulating sheet is electrically conductive adhesive laminated on a surface to be adhered to the base material so as to conduct with each of the two detection wirings and to insulate between the two detection wirings. A moisture sensing tag releasably attached to the base substrate by a substance. In the moisture detection tag according to claim 1,
The moisture detection tag, wherein the conductive adhesive material is laminated in dots on the insulating sheet. In the moisture detection tag according to claim 2,
The moisture detection tag, wherein the conductive adhesive material is also laminated on a region facing between the two detection wirings. In the moisture detection tag according to any one of claims 1 to 3,
A moisture detection tag comprising a protective sheet adhered to the base material so as to cover the antenna and the detection means.

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