JP5969823B2 - Non-contact type data receiving / transmitting body and resin molded body having the same - Google Patents

Description

 The present invention relates to a non-contact type data receiving / transmitting body and a resin molded body including the same.

Non-contact type data receiving / transmitting bodies such as IC tags and IC labels are used, for example, for the purpose of article management.
In general, an IC tag is used in which an IC chip and an antenna that are electrically connected to each other are provided on one surface of a base material made of PET film or glass epoxy resin.
In such an IC tag, only the antenna electrically connected to the IC chip may limit the electromotive force because the area of the antenna is limited, and the communication distance may be very short. It was. Therefore, an IC tag is disclosed in which a booster antenna is provided in addition to the antenna electrically connected to the IC chip to expand the range in which communication is possible (see, for example, Patent Documents 1 and 2).

Special table 2010-508794 gazette JP 2012-70076 A

 However, Patent Documents 1 and 2 do not clearly indicate in which position the antenna electrically connected to the IC chip and the booster antenna are opposed to each other when they are electrostatically coupled. There is a problem that the communication characteristics greatly change depending on the position where the two are opposed to each other.

 This invention is made | formed in view of the said situation, Comprising: It aims at providing the non-contact-type data transmission / reception body excellent in the communication characteristic, and a resin molding provided with the same.

The non-contact type data transmitting / receiving body of the present invention includes a base material, an inlet having an IC chip and a first antenna portion which are provided on one surface of the base material and are electrically connected to each other, and the first antenna portion And a second antenna portion for a booster disposed opposite to each other, wherein the first antenna portions are opposed to each other, and a pair of terminal portions each having a feeding point is provided on the opposite side. A first radiating element of the first radiating element and a short-circuited portion that short-circuits the vicinity of one terminal portion of the first radiating element and the vicinity of the other terminal portion. An antenna having a second radiating element that overlaps with the antenna part, an end surface on the IC chip side in the second radiating element is disposed inside a coupling part between the short circuit part and the first radiating element , The first short circuit It is branched from the middle of the element, and an end face of said second radiating element on a branch portion between the short-circuit portion and the first radiating elements are arranged.

 The resin molded body of the present invention is characterized by comprising a molded body main body and the non-contact type data transmitting / receiving body of the present invention embedded in the molded body main body.

 According to the present invention, the end surface on the IC chip side in the second radiating element constituting the second antenna portion is disposed inside the coupling portion between the short-circuit portion of the first antenna portion 31 and the first radiating element. Therefore, it is more communicable than the case where the end face on the IC chip side in the second radiating element constituting the second antenna portion is arranged outside the coupling portion between the short-circuit portion of the first antenna portion and the first radiating element. The distance can be increased.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic plan view which shows 1st embodiment of the non-contact-type data transmission / reception body of this invention, (b) is the figure which expanded a part of (a). It is a schematic plan view which shows 2nd embodiment of the non-contact-type data transmission / reception body of this invention, and is the figure which abbreviate | omitted one part. It is a figure for demonstrating the effect of the non-contact-type data transmission / reception body of this invention. It is a figure for demonstrating the effect of the non-contact-type data transmission / reception body of this invention. It is a schematic plan view which shows 3rd embodiment of the non-contact-type data transmission / reception body of this invention. It is a graph which shows the result of having measured the communication characteristic of the Example and comparative example of this invention.

Embodiments of a non-contact type data receiving / transmitting body and a resin molded body having the same according to the present invention will be described.
Note that this embodiment is specifically described in order to better understand the gist of the invention, and does not limit the present invention unless otherwise specified.

[Non-contact data receiver / transmitter]
(1) First Embodiment FIG. 1 is a schematic plan view showing a first embodiment of a non-contact type data receiving / transmitting body of the present invention, and (b) is an enlarged view of a part of (a). .
In all of the following drawings, in order to make each component easy to see, the scale of the size may be changed depending on the component.
The non-contact type data transmitting / receiving body 10 according to the present embodiment includes a base substrate 20 having a rectangular shape in plan view, an inlet 30 provided on one surface 20a of the base substrate 20 and having a first antenna portion 31, and an inlet. The second antenna portion 50 for a booster disposed on the one surface 20a of the base substrate 20 so as to face the first antenna portion 31 on the insulating portion 40 made of an insulating resin covering a part of the base 30. It is roughly composed of

The inlet 30 is schematically configured by a base material 32, an IC chip 33 and a first antenna part 31 which are provided on one surface 32 a of the base material 32 and are electrically connected to each other.
The first antenna portion 31 is opposed to each other, and one of the pair of first radiating elements 36 and 37 provided with terminal portions 34 and 35 each having a feeding point on the opposite side, and the first radiating elements 36 and 37. It is a loop-shaped antenna which has the short circuit part 38 which short-circuits the terminal part vicinity and the other terminal part vicinity. The width _{W 1} of the first radiating element 36 and 37 is constant, the first radiating element 36 and 37 forms a linear shape (strip-shaped).
The first antenna unit 31 is not for directly communicating with the information writing / reading device, but for performing electrical connection with the second antenna unit 50 by electrostatic coupling. That is, the second antenna unit 50 directly performs communication with the information writing / reading device.

 The insulating unit 40 covers the IC chip 33 constituting the inlet 30 and the vicinity thereof in order to protect the IC chip 33 from heat and moisture. The vicinity of the IC chip 33 refers to the terminal portions 34 and 35 of the first antenna unit 31 connected to the IC chip 33, and the terminal units 34 and 35 of the IC chip 33 and the first antenna unit 31 in the base material 32. It is the peripheral part.

 The second antenna unit 50 is a planar dipole antenna having a pair of second radiating elements 51 and 52 that are opposed to each other and spaced apart and overlap the first antenna unit 31 on the opposite side. is there. Further, the second radiating elements 51 and 52 gradually become wider from the end surfaces 51a and 52a on the sides facing each other toward the outside (the side opposite to the side facing the first radiating elements 36 and 37). Has a tapered shape.

In addition, the end surfaces 51 a and 52 a of the pair of second radiating elements 51 and 52 constituting the second antenna unit 50 are inside the coupling portion between the short-circuited part 38 of the first antenna unit 31 and the first radiating elements 36 and 37. Is arranged.
Here, as shown in FIG. 1B, the coupling portion between the short-circuit portion 38 and the first radiating element 36 is a line (here, a straight line) obtained by extending the outer edge 38 a (the outer edge on the left side of the paper) of the short-circuit portion 38. ) And a line (here, a straight line) obtained by extending the inner edge 38 b (the inner edge on the left side of the drawing) of the short-circuit portion 38 is a portion that intersects the first radiating element 36. Similarly, the coupling portion between the short-circuit portion 38 and the first radiating element 37 includes a line (here, a straight line) obtained by extending the outer edge 38c (the outer edge on the right side of the paper) of the short-circuit portion 38 and an inner edge 38d ( A line (in this case, a straight line) obtained by extending the inner edge on the right side of the drawing is a portion where the first radiating element 37 intersects.

In other words, the end surface 51a of the second radiating element 51 is disposed closer to the IC chip 33 than the outer edge 38a of the short-circuit portion 38 (the outer edge on the left side of the paper). Further, the end surface 52 a of the second radiating element 52 is disposed closer to the IC chip 33 than the outer edge 38 c (outer edge on the right side of the paper surface) of the short-circuit portion 38.
In the present embodiment, specifically, the end surface 51 a of the second radiating element 51 is disposed closer to the IC chip 33 than the inner edge 38 b (the inner edge on the left side of the paper) of the short-circuit portion 38. Further, the end surface 52 a of the second radiating element 52 is disposed closer to the IC chip 33 than the inner edge 38 d (the inner edge on the right side of the paper surface) of the short-circuit portion 38.

Furthermore, the width W ₂ of the end surfaces 51 a and 52 a of the second radiating elements 51 and 52 is larger than the width W ₁ of the first radiating elements 36 and 37. Thereby, the front-end | tip part (end part by the side of the end surfaces 51a and 52a) of the 2nd radiation elements 51 and 52 has overlapped with the short circuit part 38. FIG.

 The second antenna unit 50 has a shape capable of receiving a half wavelength of a frequency (300 MHz to 30 GHz) of an ultra-high frequency band <UHF> or a microwave band that can be used for a non-contact IC module such as a non-contact IC card. It is provided on one surface 20 a of the base substrate 20. Further, the length in the longitudinal direction of the second antenna unit 50 is a half wavelength of the frequency (300 MHz to 30 GHz) of the ultra-high frequency band <UHF> or microwave band that can be used for a non-contact IC module such as a non-contact IC card. It is the length corresponding to.

 In the present embodiment, a dipole antenna is illustrated as the second antenna unit 50, but the non-contact type data transmitting / receiving body of the present invention is not limited to this. In the non-contact type data receiving / transmitting body of the present invention, the length of the second antenna portion in the longitudinal direction can be used for a non-contact IC module. As long as the length corresponds to a half wavelength of 30 GHz), the second antenna portion may have any shape. The second antenna unit may be a planar monopole antenna, a meandering monopole antenna, a meandering dipole antenna, or the like.

 Further, in the present embodiment, the case where the base substrate 20 and the substrate 32 constituting the inlet 30 are separate is illustrated, but the non-contact type data transmitting / receiving body of the present invention is not limited to this. In the non-contact type data transmitting / receiving body of the present invention, the base substrate and the substrate constituting the inlet may be the same substrate. Further, when the non-contact type data receiving / transmitting body of the present invention is used by being embedded in a resin molded body, if the second antenna portion and the inlet can be arranged at a predetermined interval, a base substrate is used. It does not have to be.

The base substrate 20 is not particularly limited. For example, polyester resins such as polyethylene terephthalate (PET), glycol-modified polyethylene terephthalate (PET-G), polybutylene terephthalate (PBT), and polyethylene naphthalate (PEN). Base material made of polyolefin resin such as polyethylene (PE) or polypropylene (PP); base material made of polyfluorinated ethylene resin such as polyvinyl fluoride, polyvinylidene fluoride, polytetrafluoroethylene; nylon 6 Base material made of polyamide resin such as nylon 6,6; Substrate made of vinyl polymer such as polyvinyl chloride (PVC), ethylene-vinyl acetate copolymer, polyvinyl alcohol, vinylon; Polymethyl methacrylate, Polymethacryl acid Base material made of acrylic resin such as chill, polyethyl acrylate, polybutyl acrylate, etc .; base material made of polystyrene; base material made of polycarbonate (PC); base material made of polyarylate; base material made of polyimide; A substrate made of paper such as paper, thin paper, glassine paper, and sulfuric acid paper is used.
Further, when the non-contact type data transmitting / receiving body 10 is used while being embedded in a resin molded body, it is preferable that the base substrate 20 is made of the same material as the resin molded body. By doing so, the resin molded body and the base substrate 20 are integrated, and the non-contact type data receiving / transmitting body 10 is stably fixed in the resin molded body.

 As the base material 32, the thing similar to said base base material 20 is used.

 The IC chip 33 is not particularly limited, and information can be written and read out in a non-contact state via the first antenna unit 31 and the second antenna unit 50. A non-contact IC tag or a non-contact IC Any label can be used as long as it can be applied to RFID media such as a contactless IC card.

 The first antenna portion 31 is formed on one surface 32a of the base material 32 using a polymer type conductive ink in a predetermined pattern by a printing method such as screen printing or ink jet printing, or a conductive foil. Is formed by etching or metal plating.

 Examples of polymer-type conductive inks are those in which conductive fine particles such as silver powder, gold powder, platinum powder, aluminum powder, palladium powder, rhodium powder, carbon powder (carbon black, carbon nanotube, etc.) are blended in the resin composition Is mentioned.

If a thermosetting resin is used as the resin composition, the polymer conductive ink becomes a thermosetting type capable of forming a coating film forming the first antenna portion 31 at 200 ° C. or less, for example, about 100 to 150 ° C. . The path through which electricity of the coating film forming the first antenna portion 33 flows is formed when the conductive fine particles constituting the coating film contact each other, and the resistance value of this coating film is on the order of 10 ⁻⁵ Ω · cm.
Further, as the polymer type conductive ink in the present invention, known ones such as a photocuring type, a penetrating drying type, and a solvent volatilization type are used in addition to the thermosetting type.

 The photocurable polymer type conductive ink contains a photocurable resin in the resin composition and has a short curing time, so that the production efficiency can be improved. Examples of the photocurable polymer type conductive ink include, for example, a thermoplastic resin alone, or a conductive resin fine particle in a blend resin composition of a thermoplastic resin and a crosslinkable resin (particularly, a crosslinkable resin made of polyester and isocyanate). 60% by mass or more and a polyester resin of 10% by mass or more, that is, a solvent volatile type or a crosslinked / thermoplastic combined type (however, the thermoplastic type is 50% by mass or more), heat Polyester resin alone or a blend resin composition of a thermoplastic resin and a crosslinkable resin (especially a crosslinkable resin composed of polyester and isocyanate) is blended with 10% by mass or more of a polyester resin, that is, a crosslinked type or A cross-linking / thermoplastic combination type is preferably used.

Moreover, as conductive foil which makes the 1st antenna part 31, copper foil, silver foil, gold foil, platinum foil, aluminum foil, etc. are mentioned.
Furthermore, examples of the metal plating forming the first antenna portion 31 include copper plating, silver plating, gold plating, and platinum plating.

 The insulating resin constituting the insulating portion 40 is not particularly limited, and examples thereof include phenol resin, epoxy resin, polyurethane curable resin, urea resin, melamine resin, and acrylic reaction resin.

 The material which comprises the 2nd antenna part 50 will not be specifically limited if it is electroconductivity and has flexibility.

 According to the non-contact type data transmitting / receiving body 10 of the present embodiment, the end surfaces 51a, 52a on the opposite sides of the pair of second radiating elements 51, 52 constituting the second antenna unit 50 are the first antenna unit 31. Since the short-circuit portion 38 and the first radiating elements 36 and 37 are disposed on the inner side, the end surfaces 51a and 52a on the opposite sides of the pair of second radiating elements 51 and 52 correspond to the first antenna. The communication distance can be made longer than in the case where the short circuit part 38 of the part 31 and the first radiation elements 36 and 37 are arranged outside the joint part. Specifically, according to the non-contact type data receiving / transmitting body 10 of the present embodiment, the communication distance can be increased by 1.2 times compared to the conventional case. Therefore, when the non-contact type data receiving / transmitting body 10 of the present embodiment is used by being embedded in a target article, the communication distance is little deteriorated and communication can be prevented from being disabled.

(2) Second Embodiment FIG. 2 is a schematic plan view showing a second embodiment of the non-contact type data receiving / transmitting body of the present invention, and is a diagram with a part omitted.
2, the same components as those of the non-contact type data receiving / transmitting body 10 shown in FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted.

Also in the present embodiment, the end surfaces 51 a and 52 a on the opposite sides of the pair of second radiating elements 51 and 52 constituting the second antenna unit 50 are the short-circuit part 38 and the first radiating element 36 of the first antenna part 31. , 37 are arranged inside the connecting portion.
In other words, the end surface 51a of the second radiating element 51 is between the outer edge 38a (the outer edge on the left side in the drawing) of the short-circuit portion 38 and the inner edge 38b (the inner edge on the left side in the drawing) of the short-circuit portion 38, that is, on the short-circuit portion 38. Has been placed. Further, the end surface 52 a of the second radiating element 52 is disposed between the outer edge 38 c (outer edge on the right side of the paper) of the short-circuit portion 38 and the inner edge 38 d (inner edge on the right side of the paper surface) of the short-circuit portion 38, that is, on the short-circuit portion 38. Has been.

In this embodiment, the end face 51a of the second radiating elements 51 and 52, the width _{W 2} in 52a is larger (wider) than the width _{W 1} of the first radiating element 36 and 37. Therefore, the tip portions (end portions on the end surfaces 51 a and 52 a side) of the second radiating elements 51 and 52 overlap the short-circuit portion 38.

 According to the non-contact type data receiving / transmitting body of the present embodiment, the communication distance can be increased by a factor of 1.2 compared to the conventional case, as in the first embodiment described above. Therefore, when used by being embedded in the target article, the communication distance is hardly deteriorated and it is possible to prevent communication from being disabled.

 As described above, in the contactless data receiving / transmitting body of the first embodiment and the second embodiment, the end surfaces 51a, 52a on the opposite sides of the pair of second radiating elements 51, 52 constituting the second antenna unit 50 are opposed to each other. However, it is arrange | positioned inside the connection part of the short circuit part 38 of the 1st antenna part 31, and the 1st radiation elements 36 and 37. FIG. Thereby, when it embeds and uses in the object used as object, it is possible to prevent deterioration of communication distance and to prevent communication becoming impossible.

That is, as shown in FIGS. 3 and 4, the end surfaces 51 a and 52 a on the opposite sides of the pair of second radiating elements 51 and 52 constituting the second antenna unit 50 are short-circuited portions 38 of the first antenna unit 31. And the first radiating elements 36 and 37, the same effects as those of the first and second embodiments described above cannot be obtained.
In other words, as shown in FIG. 3, the end surface 51 a of the second radiating element 51 is in contact with the outer edge 38 a (the outer edge on the left side of the paper) of the short-circuit portion 38, and the end surface 52 a of the second radiating element 52 is the outer edge 38 c ( When it is in contact with the outer edge on the right side of the drawing, the same effects as those of the first and second embodiments described above cannot be obtained. As described above, in the first embodiment and the second embodiment described above, “the end surfaces 51a and 52a on the opposite sides of the pair of second radiating elements 51 and 52 constituting the second antenna unit 50 are the first “It is disposed inside the coupling portion between the short-circuit portion 38 of the antenna portion 31 and the first radiating elements 36, 37” means that the end surface 51 a of the second radiating element 51 is in contact with the outer edge 38 a of the short-circuit portion 38. The case where the end face 52a of the two radiating elements 52 is in contact with the outer edge 38c of the short-circuit portion 38 is not included.

 4, the end surface 51a of the second radiating element 51 is separated from the outer edge 38a (the outer edge on the left side of the paper) of the short-circuit portion 38, and the end surface 52a of the second radiating element 52 is the outer edge 38c ( When it is separated from the outer edge on the right side of the drawing, the same effect as in the first embodiment and the second embodiment described above cannot be obtained. As described above, in the first embodiment and the second embodiment described above, “the end surfaces 51a and 52a on the opposite sides of the pair of second radiating elements 51 and 52 constituting the second antenna unit 50 are the first “It is arranged inside the coupling portion between the short-circuit portion 38 of the antenna portion 31 and the first radiation elements 36, 37” means that the end surface 51 a of the second radiation element 51 is separated from the outer edge 38 a of the short-circuit portion 38, The case where the end surface 52a of the second radiating element 52 is separated from the outer edge 38c of the short-circuit portion 38 is not included.

(3) Third Embodiment FIG. 5 is a schematic plan view showing a third embodiment of the contactless data receiving / transmitting body of the present invention.
The non-contact type data transmitting / receiving body 60 of the present embodiment includes a base substrate 70 having a rectangular shape in plan view, an inlet 80 provided on one surface 70a of the base substrate 70 and having a first antenna portion 81, and an inlet. The second antenna portion 100 for booster disposed on the insulating portion 90 made of an insulating resin covering a part of 80 and the one surface 70 a of the base substrate 70 so as to face the first antenna portion 81. It is roughly composed of

The inlet 80 is schematically configured from a base material 82, an IC chip 83 and a first antenna portion 81 that are provided on one surface 82 a of the base material 82 and are electrically connected to each other.
The first antenna portion 81 is opposed to each other, and one of the pair of first radiating elements 86 and 87 provided with terminal portions 84 and 85 each having a feeding point on the opposite side, and one of the first radiating elements 86 and 87. It is a loop-shaped antenna which has the short circuit part 88 which short-circuits the terminal part vicinity and the other terminal part vicinity. Further, the first radiating elements 86 and 87 have a tapered shape in which the width gradually increases from the side electrically connected to the IC chip 83 toward the outside (the side opposite to the side facing the IC chip 83). There is no.
The first antenna unit 81 is not for directly communicating with the information writing / reading device, but for performing electrical connection with the second antenna unit 100 by electrostatic coupling. That is, the second antenna unit 100 directly communicates with the information writing / reading device.

 The insulating unit 90 covers the IC chip 83 constituting the inlet 80 and its vicinity in order to protect the IC chip 83 from heat and moisture.

 The second antenna unit 100 is a planar dipole antenna having a pair of second radiating elements 101 and 102 that are opposed to each other and spaced apart from each other and overlap the first antenna unit 81 on the opposite side. is there. In addition, the second radiating elements 101 and 102 gradually become wider from the end surfaces 101a and 102a on the side facing each other toward the outside (the side opposite to the side facing the first radiating elements 86 and 87). Has a tapered shape.

In addition, end surfaces 101a and 102a on the opposite sides of the pair of second radiating elements 101 and 102 constituting the second antenna unit 100 are connected to the short circuit part 88 of the first antenna part 81 and the first radiating elements 86 and 87, respectively. It arrange | positions inside a coupling | bond part.
Here, as shown in FIG. 5, the coupling portion between the short-circuit portion 88 and the first radiating element 86 is a line (here, a straight line) obtained by extending the outer edge 88a of the short-circuit portion 88 (the outer edge on the left side of the drawing). A line (here, a straight line) obtained by extending the inner edge 88 b (the inner edge on the left side of the paper) of the short-circuit portion 88 is a portion that intersects the first radiating element 86. Similarly, the coupling portion between the short-circuit portion 88 and the first radiating element 87 includes a line (here, a straight line) obtained by extending the outer edge 88c (the outer edge on the right side of the paper) of the short-circuit portion 88 and an inner edge 88d ( A line (in this case, a straight line) obtained by extending the inner edge on the right side of the drawing is a portion where the first radiating element 87 intersects.

In other words, the end surface 101a of the second radiating element 101 is disposed closer to the IC chip 83 than the outer edge 88a of the short-circuit portion 88 (the outer edge on the left side of the paper). Further, the end surface 102 a of the second radiating element 102 is disposed closer to the IC chip 83 than the outer edge 88 c of the short-circuit portion 88 (the outer edge on the right side of the paper).
In the present embodiment, specifically, the end surface 101 a of the second radiating element 101 is disposed closer to the IC chip 83 than the inner edge 88 b (the inner edge on the left side of the paper) of the short-circuit portion 88. Further, the end surface 102 a of the second radiating element 102 is disposed closer to the IC chip 83 than the inner edge 88 d (the inner edge on the right side of the drawing) of the short-circuit portion 88.

 Furthermore, the widths of the tip portions (end portions on the side of the end faces 101a and 102a) 101b and 102b of the second radiating elements 101 and 102 are the same as the tip portions 101b and 102b of the second radiating elements 101 and 102 in the first radiating elements 86 and 87, respectively. It is smaller (narrower) than the width of the portion where 102b overlaps. Therefore, the tip portions 101 b and 102 b of the second radiating elements 101 and 102 only overlap the first radiating elements 86 and 87 and do not overlap the short-circuit portion 88.

 As the base substrate 70, the members constituting the inlet 80, the insulating part 90, and the second antenna part 100, the same ones as in the first embodiment described above are used.

 According to the non-contact type data receiving / transmitting body of the present embodiment, the communication distance can be increased by a factor of 1.2 compared to the conventional case, as in the first embodiment described above. Therefore, when used by being embedded in the target article, the communication distance is hardly deteriorated and it is possible to prevent communication from being disabled.

[Resin molding]
The resin molded body of the present embodiment is generally configured by a molded body main body and the above-described non-contact type data transmitting / receiving body embedded in the molded body main body.

 The molded body is not particularly limited, and any molded body may be used as long as it is a resin molded body.

 EXAMPLES Hereinafter, although an Example and a comparative example demonstrate this invention further more concretely, this invention is not limited to a following example.

[Example]
A non-contact type data receiving / transmitting body (corresponding to the first embodiment described above) shown in FIG. 1 was produced.
In this example, the length of the short-circuit portion shown in FIG. 1 (the length of the portion parallel to the radiating element) was 20 mm, and the size of the IC chip was 0.6 mm × 0.6 mm.
With respect to this non-contact type data receiver / transmitter, the communication distance at a frequency of 800 to 1000 MHz was measured by an RFID UHF measuring / inspecting machine (trade name: Tagformance lite, manufactured by Voyantic).
The results are shown in FIG.

[Comparative example]
The non-contact type data receiving / transmitting body shown in FIG. 4 was produced.
About this non-contact-type data receiver / transmitter, the communication distance in the frequency of 800-1000 MHz was measured like the Example.
The results are shown in FIG.

 From the results of FIG. 6, it was confirmed that the communication distance of the contactless data receiving / transmitting body of the example was 1.2 times or more of the communication distance of the contactless data receiving / transmitting body of the comparative example. In particular, at a frequency of 900 MHz or higher, it was confirmed that the non-contact type data receiver / transmitter of the example had a longer communication distance than the non-contact type data receiver / transmitter of the comparative example.

10, 60 ... non-contact type data transmitting / receiving body, 20, 70 ... base substrate, 30, 80 ... inlet, 31, 81 ... first antenna part, 32, 82 ... base Material, 33, 83 ... IC chip, 34, 35, 84, 85 ... terminal part, 36, 37, 86, 87 ... first radiation element, 38, 88 ... short circuit part, 40, 90 ... insulating part, 50, 100 ... second antenna part, 51, 52, 101, 102 ... second radiating element.

Claims (2)

A base material, an inlet having an IC chip and a first antenna portion which are provided on one surface of the base material and are electrically connected to each other, and a booster disposed to face the first antenna portion A second antenna part, and
The first antenna portion is opposed to each other, and a pair of first radiating elements each having a feeding portion on each of the opposing sides, a vicinity of one terminal portion of the first radiating element, and the other terminal A short-circuit portion that short-circuits the vicinity of the portion, and a loop-shaped antenna having
The second antenna part is an antenna having a second radiating element overlapping the first antenna part,
The end surface on the IC chip side in the second radiating element is disposed inside the coupling portion between the short-circuit portion and the first radiating element ,
The non-contact type wherein the short-circuit portion is branched from the middle of the first radiating element, and an end face of the second radiating element is disposed on the short-circuit portion and a branch portion of the first radiating element. Data sending / receiving body.   A resin molded body comprising: a molded body main body; and the non-contact type data receiving / transmitting body according to claim 1 embedded in the molded body main body.

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