JP4973039B2 - Non-contact data carrier conductive member manufacturing apparatus - Google Patents

Description

The present invention relates to a manufacturing ZoSo location of the non-contact type data carrier for conductive members such as an IC tag.

  Non-contact type IC tags, IC cards, and the like are each provided with a conductive layer made of a metal foil on the front and back surfaces of an insulating substrate. For example, an antenna is formed on the front conductive layer, and a bridge connecting the end portions of the antenna is formed on the back conductive layer. Conventionally, through holes have been used for electrical connection between the antenna and the bridge, but in recent years, ultrasonic welding has come to be used.

  This ultrasonic welding is performed by the following procedure. First, a material sheet in which a conductive layer is formed on each of the front and back surfaces of an insulating base is placed on a heated base. Next, an ultrasonic vibrator heated from above the conductive layer is brought into contact, and ultrasonic waves are applied to the ultrasonic vibrator. The insulating base material is softened by heat transfer from the base, etc., and the upper conductive layer pressed by the ultrasonic vibrator becomes a recessed portion and penetrates the softened insulating base material to the lower conductive layer. The recessed portion is welded to the lower conductive layer by frictional heat generated by ultrasonic vibration (see, for example, Patent Document 1).

The base and the ultrasonic transducer are both heads having a spherical tip, the material sheet is sandwiched between both heads, and the conductive layers on the front and back are recessed to the center in the thickness direction of the material sheet. It is also attempted to join the parts with frictional heat (see, for example, Patent Document 2).
JP-A-9-263079 JP 2004-134678 A

  By the way, since the conventional ultrasonic welding method presses and welds the spherical surface or pointed end surface formed on the ultrasonic transducer to the conductive layer, the ultrasonic transducer and the conductive layer are not parallel when welding by pressing. Then, the tip of the ultrasonic vibrator is locally pressed against the conductive layer. As a result, frictional heat due to ultrasonic vibration is not transmitted to the entire conductive layer, welding becomes uncertain, and the conductive layer may be broken or cracked. Furthermore, since a deep and steeply recessed portion is formed on the surface of the insulating base material, even if the surface is covered with a coating layer and desired items are displayed by printing, the recessed portion is likely to appear on the surface. Printing may not be performed properly.

Therefore, the present invention has been made in consideration of the above circumstances, and the object of the present invention is to make the ultrasonic transducers contact the conductive layers locally and cause the conductive layers to break without causing breakage or cracks. and to provide a manufacturing ZoSo location of the conductive member for a non-contact type data carrier welding can be performed more reliably in.

  In order to solve the above problems, the present invention employs the following configuration.

In the invention according to claim 1 , the concave portion (5) is formed in the metal foil of the material sheet (1A) in which the conductive layers (3, 4) made of metal foil are respectively formed on the front and back surfaces of the insulating base (2). An ultrasonic transducer comprising: an ultrasonic transducer (31) to be formed; and a cradle (20) disposed to face the ultrasonic transducer (31) and having a universal joint (22) tiltable. (31) is brought into contact with the conductive layer (3) of the raw material sheet (1A) from above the universal joint (22), and between the upper surface (22a) of the universal joint (22) of the cradle (20), 1A) is sandwiched and an ultrasonic wave is applied to the ultrasonic transducer (31), while forming a concave portion (5) in the conductive layer (3), and this concave portion (5) is formed on the insulating substrate (2). It is one that welded on the opposite side of the conductive layer (4) through a coercive for holding the material sheet above the receiving table A frame (16) is provided, the holding frame, the contactless data carrier for conductive member, characterized in that it is supported on the XY rails (12,12,14,14) to be movable in the XY plane Adopt manufacturing equipment.

The invention according to claim 2 is the non-contact data carrier conductive member manufacturing apparatus according to claim 1 , wherein the cradle (20) is an upper surface of the universal joint (22) with respect to the ultrasonic transducer (31) ( An apparatus for manufacturing a non-contact type data carrier conductive member, comprising a fixing means for fixing the angle 22a), is employed.

The invention according to claim 3, in the non-contact type data production apparatus carrier for conductive member according to claim 1, a plurality of pyramid or the pressing portion of the truncated polygonal pyramid to the ultrasonic transducer (31) (32) An apparatus for manufacturing a non-contact type data carrier conductive member is employed, which is formed adjacent to each other.

The invention according to claim 4 is the non-contact data carrier conductive member manufacturing apparatus according to any one of claims 1 to 3 , wherein the ultrasonic transducer (31) An apparatus for manufacturing a conductive member for a non-contact type data carrier, which is characterized by being applied, is adopted.

The invention according to claim 5 is the non-contact data carrier conductive member manufacturing apparatus according to claim 1, wherein one of the conductive layers (3, 4) on the front and back surfaces of the insulating base (2) has an antenna. Including two ultrasonic transducers (31a, 31b) that are respectively applied to both ends of the antenna or both ends of the bridge in the material sheet (1A) including the bridge. (31a, 31b) is applied to both ends at the same time, and the two ultrasonic transducers (31a, 31b) are subjected to transverse vibration ultrasonic waves that vibrate in a direction perpendicular to the line (A) connecting the both ends. A conductive member for a non-contact data carrier, wherein one conductive layer (3) is passed through an insulating substrate (2) and welded to the opposite conductive layer (4) Adopt manufacturing equipment.

According to the non-contact data carrier conductive member manufacturing apparatus of the present invention, the ultrasonic transducer (31) and the upper surface (22a) of the universal joint (22) of the cradle (20) are used as pressure-sensitive members. The ultrasonic transducer (31) is brought into contact with the conductive layer (3) of the material sheet (1A) from above the universal joint (22) to adjust the upper surface of the universal joint (22) of the cradle (20). The material sheet (1A) is sandwiched between (22a) and an ultrasonic wave is applied to the ultrasonic transducer (31) while forming a concave portion (5) in the conductive layer (3). 5) is passed through the insulating base (2) and welded to the opposite conductive layer (4), so that the ultrasonic transducer (31) hits the conductive layer (3) locally and breaks into the conductive layer (3). , Without causing cracks, it is possible to more reliably weld the conductive layers (3, 4) on the front and back sides, Irregular surface hardly occurs when the surface is covered by covering layer, it is possible to properly display by printing the desired matter from the top of the coating layer.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

<First Embodiment>
As shown in FIGS. 1 to 4, a thermoplastic adhesive layer (not shown) is formed in a predetermined pattern on the front and back surfaces of the insulating member 2 in the non-contact data carrier conductive member 1 or the material sheet 1a thereof. The conductive layers 3 and 4 having the same pattern are laminated and fixed on the thermoplastic adhesive layer.

  The insulating base material 2 is formed of a synthetic resin sheet or a sheet obtained by laminating them. The thickness of the insulating substrate 2 is approximately 30 μm to 70 μm. The insulating substrate 2 is formed in a rectangular shape in the illustrated example, but may have other desired shapes. As the sheet-like synthetic resin, for example, polyethylene terephthalate (PET) can be used.

  The conductive layers 3 and 4 are made of, for example, aluminum foil. The thickness of the aluminum foil is about 3 μm to 15 μm.

  Of the conductive layers 3 and 4, the conductive layer 3 on the surface of the insulating base 2 is formed in an antenna pattern and a capacitor electrode pattern, respectively. In addition, the conductive layer 4 on the back surface of the insulating base material 2 among the conductive layers 3 and 4 is formed in a bridge pattern and a pattern of the other electrode of the capacitor, respectively. In FIGS. 1 to 4A and 4B, reference numeral 3a corresponds to a conductive layer corresponding to the antenna pattern, reference numeral 3b corresponds to a conductive layer corresponding to one electrode pattern of the capacitor, and reference numeral 4a corresponds to a bridge pattern. Reference numeral 4b denotes a conductive layer corresponding to the pattern of the other electrode of the capacitor.

  The antenna pattern is a spiral pattern in the illustrated example, but other patterns such as a bar-shaped pattern, a pad-shaped pattern, and a cross-shaped pattern can be used depending on the communication frequency band.

  The bridge pattern is an elongated rectangle in the illustrated example, but can be appropriately changed to other shapes.

  The capacitor pattern is formed into an elongated rectangle for one electrode, while the other electrode is formed into a number of electrically connected strips. After the non-contact type data carrier conductive member 1 is completed, the capacitance is adjusted by cutting the conductive layer 4c between the strips, and the resonance frequency as the non-contact type data carrier conductive member 1 is adjusted. Can be corrected to an optimum value.

  The laminated sheet shown in FIG. 4 (A) is a material sheet 1a of the non-contact type data carrier conductive member 1, and a conductive layer corresponding to the pattern at both ends of the antenna as shown in FIG. 4 (B) and FIG. By joining 3c and conductive layer 4a corresponding to the bridge pattern, electrical conduction between both conductive layers 3 and 4 is ensured.

  In order to ensure this electrical continuity, the conductive layer 3c corresponding to the pattern at both ends of the antenna and the conductive layer 4a corresponding to the bridge pattern are ultrasonically welded in the thickness direction of the insulating substrate 2. Is called. As a result, the recessed portion 5 formed in one conductive layer 3 penetrates the insulating substrate 2 and is joined to the other conductive layer 4. Reference numeral 5a in the figure denotes a joint.

  As shown in FIGS. 5 and 6, the recessed portion 5 is formed to be a quadrangular pyramid so that the metal foil of the conductive layer 3 does not exceed its breaking elongation. The slope of the quadrangular pyramid in the recessed portion 5 formed so as not to exceed such elongation at break becomes a gentle slope.

  It is possible to form only one concave portion 5 for each of the conductive layers 3c and 4a at both ends of the antenna and the bridge, but it is desirable that the plurality of concave portions 5 be adjacent to each other as shown in the drawing. Formed. Thus, the reliability of electrical continuity is improved by providing a plurality of the recessed portions 5. In the illustrated example, nine concave portions 5 are provided, but may be two to eight or ten or more. In the illustrated example, the recessed portions 5 are provided densely without a gap, but a slight gap may be provided. In addition, although the recessed part 5 is a quadrangular pyramid in the example of illustration, it can replace with a quadrangular pyramid and can also be made into a square pyramid, for example, can be various polygonal pyramids, such as a hexagonal pyramid and a triangular pyramid. Of course, these polygonal pyramids can be changed to a polygonal frustum.

  An ultrasonic welding apparatus for obtaining the above electrical continuity will be described with reference to FIGS. 7 and 8A and 8B. 7 is a perspective view showing an external configuration of an ultrasonic welding apparatus to which the present invention is applied, and FIGS. 8A and 8B are cross-sectional views showing the cradle of FIG.

  In FIG. 7, thermoplastic adhesive layers (not shown) are formed on the front and back surfaces of the insulating base material 2 in the raw material sheet 1 </ b> A in a predetermined pattern on multiple sides in the XY directions, respectively, and from above these thermoplastic adhesive layers. Conductive layers 3 and 4 having a similar pattern are laminated and fixed in multiple directions in the XY direction. And the raw material sheet 1a shown in FIG. 1 thru | or FIG. 4 mentioned above has shown what cut | disconnected the raw material sheet 1A in which the conductive layers 3 and 4 were laminated | stacked on every surface for every surface.

  As shown in FIG. 7, the ultrasonic welding apparatus 10 has a surface plate 11, and two Y-axis rails 12, 12 are arranged on the upper surface of the surface plate 11 in parallel with each other at a predetermined interval. It is installed. Two Y-axis sliders 13 are mounted on the Y-axis rails 12 and 12 so as to be movable along the Y-axis rails 12 and 12 by ball screws (not shown). On these Y-axis sliders 13, two X-axis rails 14 and 14 are fixed in parallel to each other at a predetermined interval and perpendicular to the Y-axis rails 12 and 12. On these X-axis rails 14 and 14, X-axis sliders 15 are attached so as to be movable along the Y-axis rails 12 and 12, respectively, by ball screws (not shown). A holding frame 16 formed in a rectangular shape is fixed to the X-axis slider 15, and positioning pins 17 are implanted in the corners of the holding frame 16.

  The four positioning pins 17 are inserted into positioning holes 1b formed in the corners of the material sheet 1A, whereby the material sheet 1A is held by the holding frame 16. Therefore, the holding frame 16 holding the material sheet 1A is attached to the Y-axis rails 12 and 12 and the X-axis rails 14 and 14 via the Y-axis slider 13 and the X-axis slider 15, and thus moves on the XY plane. It becomes possible.

  Further, a cradle 20 is fixed to the approximate center on the surface plate 11 below the holding frame 16 as shown in FIG. That is, the cradle 20 is fixed on the surface plate 11 within the movement range of the holding frame 16 in the XY plane.

  As shown in FIG. 8A, the cradle 20 includes a fixed portion 21 that is fixed on the surface plate 11, and a universal joint 22 that can tilt the axis with respect to the fixed portion 21. An air chamber 23 is provided between the fixed portion 21 and the universal joint 22, and the air chamber 23 is sealed by an O-ring 24 as a seal member. As shown in FIG. 5, the universal joint 22 has a flat upper surface 22a that sandwiches the material sheet 1A. One conductive layer 4a of the material sheet 1A is in contact with this upper surface.

  An air supply port 25 and an air discharge port 26 are communicated with the air chamber 22. As shown in FIG. 8A, when air is supplied from an air supply source (not shown) to the air chamber 23 through the air supply port 25, the universal joint 22 has its axis line with respect to the fixed portion 21. Inclination is possible, and the upper surface 22a can be inclined. Further, as shown in FIG. 8B, when a vacuum pump (not shown) as a fixing means is driven to suck air in the air chamber 23 from the air discharge port 26, the universal joint 22 has its axis line fixed to the fixing portion 21. The inclination angle of the upper surface 22a is fixed.

  In the universal joint 22, a heating unit 27 such as an electric heater or a burner is embedded, and the universal joint 22 is heated by the heating unit 27.

  Further, in the vicinity of the surface plate 11, a support arm 28 formed in a gate shape so as to straddle the surface plate 11 in the X-axis direction is installed. The support arm 28 includes two vertical portions 29 and 29 erected in the vicinity of the surface plate 11, and a horizontal portion 30 that is fixed horizontally with respect to the upper ends of the two vertical portions 29 and 29. I have. And the ultrasonic transducer | vibrator 31 which has the press part 32 is attached to the side surface of the horizontal part 30 so that an up-down movement is possible, as shown by the arrow.

  As shown in FIGS. 5 and 8, the ultrasonic transducer 31 is embedded with a heating unit 33 such as an electric heater or a burner, and the ultrasonic transducer 31 is heated by the heating unit 33. As shown in FIGS. 5 and 9, the ultrasonic transducer 31 has a plurality (nine) of pressing portions 32 on the surface facing the universal joint 22. The pressing portion 32 is formed as a quadrangular pyramid protrusion that substantially matches the shape and size of the recessed portion 5 described above. The inclination angle θ of the gently inclined side surface of the quadrangular pyramid is about 30 degrees with respect to the surface of the insulating base 2.

  The universal joint 22 and the ultrasonic transducer 31 are heated by heating units 27 and 33 such as a built-in electric heater and a burner, respectively, but this heating unit may be provided only in the ultrasonic transducer 31. However, it may be provided only in the universal joint 22. The heating temperature is the glass transition point of the resin constituting the insulating base 2, and is 80 ° C. to 120 ° C. when the resin is polyethylene terephthalate.

  When the conductive layers 3 and 4 are attached to the insulating base material 2 via the thermoplastic adhesive layer, a thermoplastic adhesive that melts at the same temperature is used.

  Next, ultrasonic welding for obtaining the electrical continuity will be described.

  First, as shown in FIG. 8A, air is supplied from an air supply source (not shown) to the air chamber 23 through the air supply port 25 so that the axis of the universal joint 22 can be inclined with respect to the fixed portion 21.

  Next, the inclination angle of the upper surface 22a of the universal joint 22 so that the pressing portion 32 of the ultrasonic transducer 31 and the upper surface 22a of the universal joint 22 of the cradle 20 are parallel to each other using pressure-sensitive paper as a pressure-sensitive member. Adjust.

  Here, for example, those made by Fuji Photo Film Co., Ltd. are used as the pressure sensitive paper. The pressure sensitive paper includes a mono sheet type and a two sheet type. In the monosheet type, a developer layer and a color former layer are sequentially laminated on a film-like substrate made of polyethylene terephthalate (PET). In the two-sheet type, a developer layer and a color former layer are laminated between two base materials made of a PET film. In these pressure-sensitive papers, the microcapsules of the color former layer are broken by pressure, and the color former in the microcapsules is adsorbed by the developer and develops a red color by a chemical reaction. In other words, the pressure-sensitive paper is such that the portion where no pressure is applied does not develop color, and only the portion where pressure is applied develops red.

  Specifically, the pressure-sensitive paper is placed on the upper surface 22 a of the universal joint 22 of the cradle 20, and the ultrasonic vibrator 31 having the quadrangular pyramid pressing portion 32 is lowered to the pressure-sensitive paper to the pressing portion 32. And the inclination angle of the upper surface 22a of the universal joint 22 is adjusted so that the colored portion of the pressure-sensitive paper becomes the entire surface. In this case, since the pressing portion 32 is formed as nine quadrangular pyramid protrusions, when the colored portions of the pressure-sensitive paper are colored at nine points, the entire surface is colored.

  In this way, the state where the color development portion of the pressure sensitive paper becomes full is a state where the pressing portion 32 of the ultrasonic transducer 31 and the upper surface 22a of the universal joint 22 of the cradle 20 are parallel to each other. In this state, as shown in FIG. 8B, a vacuum pump (not shown) is driven to suck the air in the air chamber 23 from the air discharge port 26, and the axis of the universal joint 22 is fixed to the fixing portion 21. The inclination angle of the upper surface 22a is fixed.

  When the pressing portion 32 of the ultrasonic transducer 31 and the upper surface 22a of the universal joint 22 of the cradle 20 are not parallel, the pressing portion 32 is locally pressed by the pressure-sensitive paper, and the pressure-sensitive paper is locally The color will develop.

  Next, the material sheet 1 </ b> A is held by the holding frame 16 by inserting the positioning holes 1 b of the material sheet 1 </ b> A through the four positioning pins 17 of the holding frame 16.

  And as shown in FIG. 5, the ultrasonic transducer | vibrator 31 which has the press part 32 of the quadrangular pyramid whose side surface is a gentle inclination is heated, and conduction of the raw material sheet | seat 1A from the upper direction of the universal joint 22 of the heated receiving stand 20 is carried out. The lateral surface of the conductive layer 3a is applied to the conductive layer 3a by the pressing portion 32 while being applied between the upper surface of the universal joint 22 of the cradle 20 in contact with the layer 3a and applying ultrasonic waves of lateral vibration to the ultrasonic transducer 31. The square pyramid or the quadrangular pyramid recessed portion 5 is formed, and the recessed portion 5 is passed through the insulating base 2 and welded to the opposite conductive layer 4a. This welding is performed sequentially or simultaneously on both ends of the antenna.

  The above process is repeatedly performed by moving the material sheet 1A held on the holding frame 16 on the XY plane, and the material layers in which the conductive layers 3 and 4 made of metal foil are respectively formed on the front and back surfaces of the insulating base 2 are multi-faced. Repeat for 1A.

  Here, the ultrasonic transducer 31 has a pressing force for pressing the conductive layer 3c of 100N to 400N. Further, lateral vibration is applied to the ultrasonic transducer 31. The vibration direction of this lateral vibration is the extending direction of the plane of the insulating base material 2. For example, the transverse vibration has a frequency of about 40 kHz and an amplitude of about 19 μm. The application time of the transverse vibration is 0.1 second to 0.3 second. The insulating base material 2 is softened by heat transfer from the upper surface 22a of the universal joint 22, and the depressed portion 5 of the conductive layer 3c penetrates the insulating base material 2 to the conductive layer 4a on the opposite side by the pressing of the pressing portion 32. The concave portion 5 of the upper conductive layer 3c is welded to the lower conductive layer 4a by frictional heat generated by application of ultrasonic vibration.

  In this case, since the pressing portion 32 of the ultrasonic transducer 31 and the upper surface 22a of the universal joint 22 of the cradle 20 are parallel, the entire surface of the pressing portion 32 of the ultrasonic transducer 31 becomes the conductive layers 3 and 4. Thus, the conductive layers 3 and 4 on the front and back sides can be more reliably welded to each other without breaking or cracking the conductive layers 3 and 4 of the antenna or the bridge.

  In the present embodiment, two ultrasonic transducers 31 shown in FIG. 9 are prepared, and a vibration element (not shown) such as a crystal vibration element is connected to each ultrasonic transducer 31, and the two ultrasonic transducers 31. Are simultaneously or sequentially applied to the conductive layers 3c at both ends of the antenna. In this case, the direction of the transverse vibration of the ultrasonic transducer 31 may be either the A direction or the B direction in FIG. 6, or may be other directions. In the illustrated example, the ultrasonic transducer 31 is applied from the antenna side. However, the ultrasonic transducer 31 may be applied from the bridge side with the antenna side applied to the cradle 20.

  In the illustrated example, nine pressing portions 32 are provided adjacent to the ultrasonic transducer 31, but the number thereof can be appropriately increased or decreased, and may be provided so as to leave a slight gap. Moreover, although the press part 32 is formed as a convex part of a quadrangular pyramid, it is formed in the shape corresponding to the various forms of the recessed part 5 mentioned above.

  As shown in FIG. 1, the conductive layer 3a of the antenna pattern in the material sheet 1a of the non-contact data carrier conductive member 1 includes a conductive layer 3d corresponding to the IC chip connection electrode. As shown in FIG. 3, the IC chip 6 is mounted and electrically connected to the conductive layer 3d of the IC chip connection electrode.

  The non-contact type data carrier conductive member 1 in which the IC chip 6 is mounted on the insulating substrate 2 is covered with a label-like IC tag by covering the front and back surfaces of the insulating substrate 2 with a label coating layer (not shown). Is done.

  As described above, the concave portion 5 having a shallow and gently inclined side surface is formed on the surface of the conductive layer 3, and therefore, when the surface is covered with the coating layer, the surface is hardly uneven. For this reason, the content to be displayed can be printed appropriately.

  Thus, according to the present embodiment, the pressing portion 32 of the ultrasonic transducer 31 and the upper surface 22a of the universal joint 22 of the cradle 20 are adjusted in parallel using pressure sensitive paper, and the pressing portion of the ultrasonic transducer 31 is adjusted. 32 is brought into contact with the conductive layer 3 of the material sheet 1A from above the universal joint 22 so that the material sheet 1A is sandwiched between the upper surface 22a of the universal joint 22 of the cradle 20 and ultrasonic waves are applied to the ultrasonic transducer 31. On the other hand, the concave portion 5 is formed in the conductive layer 3, and the concave portion 5 is passed through the insulating substrate 2 and welded to the opposite conductive layer 4, so that the pressing portion 32 of the ultrasonic transducer 31 becomes the conductive layer. It is possible to more reliably weld the conductive layers 3 and 4 on the front and back sides without causing breakage and cracks in the conductive layers 3 and 4 by locally hitting 3 and 4, and the surface when the surface is covered with a coating layer. Concavity and convexity are unlikely to occur, and desired items can be printed on the coating layer. Ri can be properly displayed.

  In addition, according to the present embodiment, the cradle 20 includes the fixing means for fixing the angle of the upper surface 22a of the universal joint 22 with respect to the pressing portion 32 of the ultrasonic transducer 31, so that the ultrasonic transducer 31 is pressed. The parallel state of the portion 32 and the upper surface 22a of the universal joint 22 of the cradle 20 can be maintained, and the entire surface of the pressing portion 32 of the ultrasonic transducer 31 is always pressed by the conductive layers 3 and 4, so The welding of 3 and 4 can be performed more reliably.

  Furthermore, according to the present embodiment, the holding frame 16 that holds the material sheet 1A is provided above the pedestal 20, and the holding frame 16 is movable on the XY plane. By being supported on 14, 14, the conductive layers 3 and 4 on the front and back sides can be welded sequentially many times, so that the production efficiency can be improved.

Second Embodiment
In the second embodiment, ultrasonic welding of the conductive layers 3c and 4a at both ends of the antenna and the bridge is performed as shown in FIGS. 10A and 10B instead of the ultrasonic transducer 31 shown in FIG. Two ultrasonic transducers 31a and 31b are used.

  As shown in FIGS. 10A and 10B, the two ultrasonic transducers 31a and 31b are integrated and vibrated simultaneously in the same direction by a common vibrating element (not shown). .

  At the time of ultrasonic welding, the material sheet 1A is sandwiched between the ultrasonic joints 31a and 31b and a universal joint in which the upper surface 22a of the universal joint 22 shown in FIG. The children 31a and 31b are simultaneously applied to the conductive layers 3c at both ends of the antenna. In this case, the direction of the lateral vibration of the ultrasonic transducers 31a and 31b is set to the A direction in FIG. Thereby, the conductive layers 3c and 4a in the both ends of an antenna and a bridge are welded appropriately.

  In the illustrated example, the ultrasonic transducers 31a and 31b are applied from the antenna side. However, the ultrasonic transducers 31a and 31b may be applied from the bridge side by applying the antenna side to the universal joint 22.

It is a top view of the raw material sheet | seat of the electrically-conductive member for non-contact-type data carriers which concerns on this invention. It is a rear view of the raw material sheet | seat shown in FIG. It is a top view of the conductive member for non-contact type data carriers which mounted IC chip. 1A is a cross-sectional view taken along line IVA-IVA in FIG. 1, and FIG. 4B is a cross-sectional view taken along line IVB-IVB in FIG. It is a conceptual diagram of the ultrasonic welding apparatus which welds the conductive layers of the front and back. It is an enlarged view of the principal part in FIG. It is a perspective view which shows the external appearance structure of the ultrasonic welding apparatus to which this invention is applied. (A), (B) is sectional drawing which shows the cradle of FIG. It is an expansion perspective view of the ultrasonic transducer | vibrator in the ultrasonic welding apparatus shown in FIG. The other ultrasonic transducer | vibrator is shown, (A) is the front view, (B) is a bottom view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Conductive member for non-contact-type data carriers 1A ... Material sheet 1a ... Material sheet 2 ... Insulating base material 3, 4 ... Conductive layer 5 ... Recessed part 6 ... IC chip 10 ... Ultrasonic welding apparatus 12 ... Y-axis rail 14 ... X axis rail 16 ... holding frame 20 ... pedestal 22 ... universal joint 22a ... upper surface 23 ... air chamber 25 ... air supply port 26 ... air discharge port 31 ... ultrasonic transducer 32 ... pressing part

Claims (5)

An ultrasonic vibrator that forms a recessed portion in the metal foil of a material sheet in which a conductive layer made of a metal foil is formed on each of the front and back surfaces of the insulating base , and a universal joint that is disposed to face the ultrasonic vibrator. comprising a cradle arranged to be inclined, the said sheet-shaped raw material between the ultrasonic transducer from the universal joint upwards and the upper surface of the universal joint of the cradle is brought into contact with the conductive layer of the material sheet sandwiching the while applying ultrasonic waves to the ultrasonic transducer, thereby forming the recessed portion to the conductive layer, there is welded to the opposite side of the conductive layer through the recess in the insulating substrate ,
A non-contact type data carrier conductive member characterized in that a holding frame for holding the material sheet is provided above the cradle, and the holding frame is supported on an XY rail that is movable on an XY plane. Manufacturing equipment. In the manufacturing apparatus of the non-contact type data carrier conductive member according to claim 1 ,
The apparatus for manufacturing a conductive member for a non-contact type data carrier, wherein the cradle includes a fixing means for fixing an angle of an upper surface of the universal joint with respect to the ultrasonic transducer. In the manufacturing apparatus of the non-contact type data carrier conductive member according to claim 1 ,
An apparatus for manufacturing a conductive member for a non-contact type data carrier, wherein a plurality of polygonal pyramids or polygonal frustum pressing portions are formed adjacent to the ultrasonic transducer. In the manufacturing apparatus of the conductive member for non-contact type data carriers according to any one of claims 1 to 3 ,
The apparatus for manufacturing a conductive member for a non-contact type data carrier, wherein the ultrasonic transducer applies a lateral vibration ultrasonic wave. In the manufacturing apparatus of the non-contact type data carrier conductive member according to claim 1 ,
Two integrated ultrasonic transducers that are respectively applied to both ends of the antenna or both ends of the bridge in the material sheet in which one of the conductive layers on the front and back surfaces of the insulating base includes an antenna and the other includes a bridge. Each ultrasonic transducer is applied to both ends at the same time, while applying ultrasonic waves of transverse vibration that vibrates in a direction perpendicular to a line connecting the both ends to the two ultrasonic transducers, An apparatus for manufacturing a non-contact type data carrier conductive member, wherein one conductive layer is welded to the opposite conductive layer through the insulating substrate.

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