WO2005088526A1 - 電子タグ用インレットの製造方法 - Google Patents
電子タグ用インレットの製造方法 Download PDFInfo
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- WO2005088526A1 WO2005088526A1 PCT/JP2005/000467 JP2005000467W WO2005088526A1 WO 2005088526 A1 WO2005088526 A1 WO 2005088526A1 JP 2005000467 W JP2005000467 W JP 2005000467W WO 2005088526 A1 WO2005088526 A1 WO 2005088526A1
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- Prior art keywords
- antenna
- region
- electronic tag
- inlet
- manufacturing
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07718—Constructional details, e.g. mounting of circuits in the carrier the record carrier being manufactured in a continuous process, e.g. using endless rolls
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/0775—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for connecting the integrated circuit to the antenna
- G06K19/07756—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for connecting the integrated circuit to the antenna the connection being non-galvanic, e.g. capacitive
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
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- H01L2224/051—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
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- H01L2224/056—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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- H01L2924/01046—Palladium [Pd]
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- H01L2924/01079—Gold [Au]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0113—Female die used for patterning or transferring, e.g. temporary substrate having recessed pattern
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0143—Using a roller; Specific shape thereof; Providing locally adhesive portions thereon
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49016—Antenna or wave energy "plumbing" making
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49016—Antenna or wave energy "plumbing" making
- Y10T29/49018—Antenna or wave energy "plumbing" making with other electrical component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
Definitions
- the present invention relates to a technique for manufacturing an inlet for a non-contact type electronic tag, and more particularly to a technique effective when applied to an antenna patterning process.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-37347
- a non-contact electronic tag is a tag in which desired data is stored in a memory circuit in a semiconductor chip, and this data is read using microwaves. Is mounted.
- an electronic tag stores data in a memory circuit in a semiconductor chip, it has an advantage that it can store a large amount of data as compared with a tag using a barcode or the like. Further, there is an advantage that the data stored in the memory circuit is more difficult to be illegally falsified than the data stored in the barcode.
- PEN polyethylene naphthalate
- PET polyethylene terephthalate
- PEN and PET are less expensive than polyimide resin
- aluminum foil is less expensive than copper foil, so that reduction in material cost can be expected.
- the gravure printing method can transfer the pattern of the resist film in a short time and the TAT because the exposure step and the development step can be omitted as compared with the photolithography technique, and the processing cost can be expected to be reduced.
- the pattern formed becomes coarser than in the case of photolithography, and the problem that the grooves between the patterns are filled or excessively widened is a problem. The inventors have found.
- An object of the present invention is to provide a technique capable of forming an antenna pattern of an inlet for an electronic tag with high accuracy and at low cost.
- the present invention provides an antenna made of a conductive film formed on a main surface of an insulating film, a slit formed on a part of the antenna, one end of which extends to an outer edge of the antenna, and a plurality of bumps.
- a method for manufacturing an inlet for an electronic tag comprising: a semiconductor chip electrically connected to the antenna via an electrode; and a resin for sealing the semiconductor chip,
- the convex pattern extends in a first direction that is a relative traveling direction of a doctor blade, and has a first region having a minimum first width in the convex pattern, and a second region having one or more bent portions. Formed from a region and a third region extending in a second direction crossing the first direction,
- the first radius of curvature of the first outer edge located relatively inside is larger than the second radius of curvature of the second outer edge located relatively outside.
- the present invention provides an antenna comprising a conductor film formed on a main surface of an insulating film, a slit formed on a part of the antenna, one end of which extends to an outer edge of the antenna, and a plurality of bumps.
- a method for manufacturing an inlet for an electronic tag comprising: a semiconductor chip electrically connected to the antenna via an electrode; and a resin for sealing the semiconductor chip.
- the convex pattern extends in a first direction that is a relative traveling direction of a doctor blade, and has a first region having a minimum first width in the convex pattern, and a second region having one or more bent portions.
- a second width of the fourth region at the first position is larger than the first width.
- the present invention provides an antenna formed of a conductive film formed on a main surface of an insulating film, and a slit formed on a part of the antenna and having one end extending to an outer edge of the antenna.
- a method for manufacturing an electronic tag inlet comprising: a semiconductor chip electrically connected to the antenna via a plurality of bump electrodes; and a resin for sealing the semiconductor chip.
- the convex pattern extends in a first direction that is a relative traveling direction of a doctor blade, and has a first region having a minimum first width in the convex pattern, and a second region having one or more bent portions. Formed from a region and a third region extending in a second direction crossing the first direction,
- the first width is set to 150 zm or less.
- the antenna pattern of the electronic tag inlet can be formed with high precision and at low cost.
- FIG. 1 is a plan view showing a part of a long insulating film used for manufacturing an inlet for an electronic tag according to an embodiment of the present invention.
- FIG. 2 is an enlarged plan view showing a part of the insulating film shown in FIG. 1.
- FIG. 3 is an enlarged plan view showing a part of the antenna formed on one surface of the insulating film shown in FIGS. 1 and 2.
- Garden 4 is a plan view of a semiconductor chip mounted on an electronic tag inlet according to an embodiment of the present invention.
- FIG. 5 is a cross-sectional view of a principal part when the semiconductor chip shown in FIG. 4 is mounted on an insulating film.
- FIG. 6 Description of a gravure printing machine used for manufacturing an electronic tag inlet according to one embodiment of the present invention FIG.
- FIG. 7 is an explanatory diagram showing a main part of the surface of a gravure plate included in the gravure printing machine shown in FIG.
- FIG. 7 is an explanatory view showing a main part of the surface of a gravure plate included in the gravure printing machine shown in FIG.
- Garden 9 is a schematic view of a bonder showing a part of a process of manufacturing an inlet for an electronic tag (a process of connecting a semiconductor chip and an antenna) according to an embodiment of the present invention.
- FIG. 10 is a cross-sectional view of bump electrodes formed on the main surface of the semiconductor chip shown in FIG. 4 and the vicinity thereof.
- FIG. 11 is a cross-sectional view of a dummy bump electrode formed on the main surface of the semiconductor chip shown in FIG. 4 and its vicinity.
- FIG. 14 is a block diagram of a circuit formed on the main surface of the semiconductor chip shown in FIG. 4.
- FIG. 15 is a side view showing an inlet for an electronic tag according to an embodiment of the present invention.
- FIG. 16 is a side view showing a state in which an insulating film used for manufacturing an electronic tag inlet according to an embodiment of the present invention is wound around a reel.
- FIG. 17 is a plan view (front side) showing an inlet for an electronic tag according to an embodiment of the present invention.
- FIG. 18 is an explanatory diagram showing a method of using an electronic tag using an electronic tag inlet according to an embodiment of the present invention.
- the electronic tag inlet (hereinafter simply referred to as “inlet”) of the present embodiment forms a main part of a non-contact electronic tag provided with a microwave receiving antenna.
- FIG. 1 is a plan view showing an insulating film 1 used for manufacturing the inlet of the present embodiment
- FIG. 2 is a plan view showing a part of FIG. 1 in an enlarged manner.
- the insulating film 1 is carried in a state of being wound on a reel 2 into a manufacturing process of the inlet of the present embodiment.
- a large number of antennas 3 are previously formed at predetermined intervals.
- insulating finolem 1 is formed of, for example, PEN or PET.
- the antenna 3 is formed of, for example, an Al (aluminum) film (conductor film).
- PEN or PET as the material for the insulating film 1 and using A1 as the material for the antenna 3
- polyimide resin as the material for the insulating film 1 and as the material for the antenna 3
- the material cost of the inlet can be reduced as compared with the case where Cu (copper) is used.
- the insulating film 1 conforms to the standard of a film carrier tape, and is formed, for example, with a width of about 48 mm or about 70 mm and a thickness of about 50 ⁇ m, and transports the insulating film 1 to both sides.
- Sprocket holes 4 are formed at predetermined intervals.
- the sprocket holes 4 can be formed, for example, by punching a part of the insulating film 1 with a punch.
- the length of the antenna 3 in the long side direction is, for example, about 51 mm, and is optimized to efficiently receive a microwave having a frequency of 2.45 GHz.
- the width of the antenna 3 is about 1.5 mm, and is optimized so that the size of the inlet can be reduced and the strength can be ensured.
- FIG. 3 is an enlarged plan view showing an area indicated by A in FIG. 2 (almost the center of the antenna 3). is there.
- a slit 5 whose one end reaches the outer edge of the antenna 3 is formed substantially at the center of the antenna 3.
- an area B on which a semiconductor chip (hereinafter, simply referred to as a chip) is mounted in a later step is provided on the middle of the slit 5.
- the width of the slit 5 is narrowest at a portion overlapping the area B. This makes it possible to prevent the area B from expanding, and to prevent a chip mounted in the area B from increasing in size.
- FIG. 4 is a plan view showing a layout of four bump electrodes BMP1—BMP4 formed on the main surface of the chip CHP mounted on the area B.
- FIG. FIG. 3 is a cross-sectional view of a main part of the insulating film 1 when it is formed.
- the chip CHP is made of a single-crystal silicon substrate having a thickness of about 0.15 mm, and has a main surface on which a circuit including rectification, transmission, clock extraction, a selector, a counter, a ROM, and the like described later is formed. Have been.
- the ROM has a storage capacity of 128 bits, and can store a larger amount of data than a storage medium such as a barcode. Further, there is an advantage that the data stored in the ROM is more difficult to be illegally tampered with than the data stored in the barcode.
- bump electrodes BMP1 to BMP4 made of, for example, Au (gold) are formed.
- These four bump electrodes BMP1—BMP4 are located on a pair of virtual diagonal lines shown by the two-dot chain line in FIG. 4, and the distance from the intersection of these diagonal lines (the center of the main surface of the chip CHP). They are laid out so that they are almost equal. With such a layout, it is possible to easily balance the weight when the chip CHP is connected.
- These bump electrodes BMP1 and BMP4 are formed using, for example, a known electrolytic plating method, and have a height of, for example, about 15 ⁇ m.
- the distance W1 between adjacent bump electrodes is, for example, 200 ⁇ m.
- the connection positions of the bump electrodes BMP1 and BMP4 are determined.
- the alignment margin is about 25 am in each direction on the insulating finolem 1 (antenna 3), and the width W2 of the slit 5 in the area B (see FIG. 5) is at most about 150 ⁇ m or less.
- an A1 foil having a thickness of about 18 ⁇ m is adhered to one surface of the insulating film 1.
- the A1 foil is chemically etched (wet etched) into the shape of the antenna 3.
- the pattern of the resist film serving as a mask during the chemical etching is formed by a gravure printing method using a gravure printing machine as shown in FIG.
- the gravure printing press has a gravure plate 11 on the surface of which ruggedness corresponding to the pattern of the resist film is formed, and a holding hole 12 for holding one surface of the insulating film 1 on which the A1 foil is adhered to the surface of the gravure plate 11.
- a resist resin tank 14 for holding a resist resin liquid 13, and a doctor (doctor blade) 15.
- the gravure plate 11 is made of a material made of, for example, Fe (iron) or A1 with a surface of Cu (copper) coated with a concave shape, and further subjected to a Cr (chrome) plating. It is formed by that.
- Doctor 15 is a blade made of thin steel. As the gravure plate 11 rotates, the resist resin solution 13 adheres to the surface of the gravure plate 11 and fills the concave portions on the surface. Next, the doctor 15 rubs the surface of the gravure plate 11 to remove excess resist resin liquid 13 on the surface of the gravure plate 11, leaving the resist resin liquid 13 in the concave portion.
- the gravure plate 11 rotates, and the insulating film 1 pressed by the pressing rolls 12 comes into contact with the resist resin liquid 13 remaining in the concave portions of the surface of the gravure plate 11, whereby the resist resin liquid 13 remaining in the concave portions comes into contact. Is transferred to the insulating film 1.
- the transferred resist resin liquid 13 becomes a resist film (masking pattern) 13A serving as a mask at the time of the chemical etching.
- the exposure step and the developing process are compared with the case where the pattern of the resist film 13A is formed by, for example, pattern jungling using photolithography technology. Steps and the like can be omitted.
- This makes it possible to transfer the pattern of the resist film 13A to the insulating film 1 with a shorter TAT than in the case where the photolithography technique is used, thereby reducing processing costs.
- a pattern of the resist film 13A is formed on a region to be the antenna 3, and a pattern of the resist film 13A is on a region to be the slit 5. Is not formed.
- the present inventors have found that the patterning accuracy of the resist film 13A is reduced on a region where the width of the slit 5 is reduced to, for example, about 150 ⁇ m or less. That is, they have found that the resist film 13A may be attached.
- the A1 foil is chemically etched using such a resist film 13A as a mask, there is a concern that the A1 foil is not removed in a region where the width of the slit 5 is narrow, and the slit 5 is interrupted on the way.
- the uneven portions on the surface of the gravure plate 11 are formed according to design rules as shown in FIGS. 7 and 8.
- the design rule will be described. 7 and 8 are explanatory views showing the main part of the surface of the gravure plate 11, and show the convex portions 16 corresponding to one slit 5.
- FIG. 7 and 8 are explanatory views showing the main part of the surface of the gravure plate 11, and show the convex portions 16 corresponding to one slit 5.
- the surface of the convex portion (convex pattern) 16 has a shape that mirrors the planar shape of the slit 5 (see FIG. 3).
- the convex portions 16 are shown in regions 16A (shown by coloring in FIGS. 7 and 8), 16B (shown by hatching in FIGS. 7 and 8), and 16C (shown by hatching in FIGS. 7 and 8).
- And 16D shown by hatching in FIGS. 7 and 8
- the shape of the portion of the region (first region) 16C that does not overlap with the regions 16B and 16D corresponds to the planar shape of the portion of the slit 5 that overlaps with the region B (see FIG. 3).
- the width of the projection 16 (the width (first width) WC of the region 16C) is the smallest in this portion.
- Such a convex portion 16 is surrounded by a concave portion (concave pattern) 17, and regions 16C and 16D including one end of the convex portion 16 are oriented in the opposite direction to the rotation direction C of the gravure plate 11 ( It extends in the relative traveling direction (first direction) of the doctor 15 (see FIG. 6) as viewed from the gravure plate 11, and its end reaches a position D corresponding to the outer edge of the antenna 3.
- the region 16A extends in a direction intersecting the rotation direction C of the Dallavia plate 11, and the region (second region) 16B has a plurality of bent portions (three in FIGS. 7 and 8). I have.
- the extending direction of the region 16C having the minimum width WC in the convex portion 16 is made substantially parallel to the rotation direction C of the gravure plate 11.
- the doctor 15 wipes off the excess resist resin liquid 13 (see FIG. 6) on the surface of the gravure plate 11, the resist resin liquid 13 remains on the surface even in the narrowest area 16C of the convex portion 16.
- the resist film 13A formed by transferring the resist resin solution 13 from the gravure plate 11 onto the insulating film 1 is used as a mask.
- the Al foil adhered to one surface of the insulating film 1 is chemically etched, the A1 foil in the region where the width of the slit 5 becomes narrow can be reliably removed. As a result, it is possible to prevent the slit 5 from being interrupted on the way.
- the radius of curvature (first radius of curvature) of the inner periphery (first outer edge) of the bent portion in the region 16B is changed to the radius of curvature of the outer periphery (second outer edge) (second radius of curvature). ). That is, as shown in FIG. 7, at the bent portion where R4 is the radius of curvature of the inner circumference and R5 is the radius of curvature of the outer circumference, R4 is larger than R5, R1 is the radius of curvature of the inner circumference, and R3 is the radius of the outer circumference.
- R1 is set to be larger than R3 at a bent portion having a radius of curvature
- R1 is set to be larger than R2 at a bent portion having R1 as an inner radius of curvature and R2 as an outer radius of curvature.
- the phenomenon that the resist resin liquid 13 is connected can be prevented because the distance between R3 and R1 is large.
- the width of the slit 5 is reduced even when the A1 foil adhered to one surface of the insulating film 1 is chemically etched using the resist film 13A made of the resist resin solution 13 transferred from the gravure plate 11 as a mask. A1 foil in the area can be reliably removed. As a result, it is possible to prevent the slit 5 from being interrupted on the way.
- the width of region (fourth region) 16D (second width) WD is the width of region 16C
- the outer edge of the region 16D is formed to have a forward tapered shape toward the position D so as to be larger than WC.
- the area corresponding to the area 16D in the slit 5 does not overlap with the area B in which the chip is mounted (see FIG. 3). Therefore, by setting the width of the region 16D to be larger than the width WC of the region 16C, the width of the slit 5 can be kept large in the region where the chip is not arranged on the upper portion.
- the foil is chemically etched, the possibility that the slit 5 is interrupted on the way can be reduced.
- region 16D Is formed so as to form a forward taper toward the position D, the bent portion can be eliminated in the region 16D, so that the bleeding of the resist resin liquid 13 at the outer edge of the region 16D can be prevented, and the extra It is possible to prevent the undesired resist resin liquid 13 from remaining on the surface of the projection 16.
- the case where the center line CL in the extending direction of the region 16C and the relative traveling direction E of the doctor 15 as viewed from the Dallavia plate 11 are substantially parallel is described.
- the angle deviation (angle ⁇ ) between the center line CL and the traveling direction E of the doctor 15 is the largest.
- the angle be within 15 °.
- the problem of the slit 5 being interrupted can be more reliably prevented by keeping the angle deviation within 7 °.
- the deviation (angle ⁇ ) between the extending direction (center line CL) of the region 16C having the minimum width WC in the convex portion 16 and the relative traveling direction ⁇ of the doctor 15 as viewed from the gravure plate 11 is determined.
- the A1 foil adhered to one surface of the insulating film 1 is chemically etched using the resist film 13A made of the resist resin solution 13 transferred from the gravure plate 11 as a mask, the area where the width of the slit 5 becomes narrow is reduced.
- the A1 foil can be reliably removed. As a result, it is possible to prevent the slit 5 from being interrupted on the way.
- FIGS. 10 and 11 are cross-sectional views of the bump electrodes B MP1 to BMP4 shown in FIG. 4 and the vicinity thereof.
- the bump electrode BMP1 forms an input terminal of a circuit described later
- the bump electrode BMP2 forms a GND terminal.
- the remaining two bump electrodes BMP3 and BMP4 form dummy bumps not connected to the circuit. As shown in FIG.
- the bump electrode BMP1 which constitutes the input terminal of the circuit, is formed on the uppermost metal wiring 27 exposed by etching the passivation film 25 and the polyimide resin film 26 covering the main surface of the chip CHP. Is formed. Further, a barrier metal film 28 is formed between the bump electrode BMP1 and the uppermost metal wiring 27 to increase the adhesion between them.
- the passivation film 25 is formed of, for example, a laminated film of a silicon oxide film and a silicon nitride film
- the uppermost metal wiring 27 is formed of, for example, an A1 alloy film.
- the barrier metal film 28 is composed of a laminated film of, for example, a Ti film having a high adhesion to the A1 alloy film and a Pd (palladium) film having a high adhesion to the bump electrode BMP1.
- the connection between the bump electrode BMP2 constituting the GND terminal of the circuit and the uppermost metal wiring 27 has the same configuration as described above.
- the bump electrodes BMP3 (and BMP4) constituting the dummy bumps are connected to a metal layer 29 formed on the same wiring layer as the uppermost metal wiring 27. Layer 29 is not connected to the circuit.
- the antenna 3 is set on the bonding stage 21 heated to about 100 ° C, and the tip CHP is mounted on the tip of the ultrasonic bonding tool 22.
- the chip CHP is pressed against the upper surface of the antenna 3, and the bump electrodes (BM P1-BMP4) and the antenna 3 are brought into contact.
- the antenna 3 and the bump electrodes (BMP1 to BMP4) are intermetallicly bonded at the interface, and the bump electrode (BMP1 — BMP4) adheres to antenna 3.
- FIG. 14 is a block diagram of a circuit formed on the chip CHP (see FIG. 4).
- the main surface of chip CHP includes rectification 'transmission, clock extraction, selector, counter, A circuit composed of a ROM or the like is formed.
- a slit 5 whose one end reaches the outer edge of the antenna 3 is provided in a part of the antenna 3 formed on one surface of the insulating film 1, and the antenna 3 divided into two by the slit 5 is provided.
- One is connected to the input terminal of the chip CHP (bump electrode BMP1), and the other is connected to the GND terminal of the chip CHP (bump electrode BMP2).
- a new chip CHP is mounted on the bonding stage 21, and then the insulating film 1 is moved by one pitch of the antenna 3, and the same operation as above is performed. , Connect this chip CHP to antenna 3. Thereafter, by repeating the same operation as described above, the chip CHP is connected to all the antennas 3 formed on the insulating film 1.
- the insulating film 1 in which the connection operation of the chip CHP and the antenna 3 is completed is conveyed to the next resin sealing step while being wound on the reel 2.
- a gap between the lower surface of the chip CHP and the insulating film 1 (and the antenna 3) is filled with an underfill resin 31 using a dispenser 30 or the like, and then the underfill resin 31 is filled. Is cured in a heating furnace. When the underfill resin 31 is cured in the heating furnace, the underfill resin 31 is semi-cured, the insulating film 1 is wound on the reel 2, and then the reel 2 is loaded into the heating furnace. The underfill resin 31 is completely hardened. Also, after semi-curing the underfill resin 31, prior to the step of winding the insulating film 1 on the reel 2, a test for determining whether or not the connection between the antenna 3 and the chip CHP is good may be performed.
- the cover film 32 is laminated on one surface of the insulating film 1 (the surface on which the antenna 3 is formed), thereby completing the manufacturing process of the inlet 33 of the present embodiment.
- the inlet 33 manufactured as described above is packaged in a state of being wound on a linole 2 and shipped to a customer.
- FIG. 17 The customer who has purchased the inlet 33 obtains the individualized inlet 33 as shown in FIG. 17 by cutting the insulating film 1 and then assembling the inlet 33 with other members.
- An electronic tag is produced by combining them.
- FIG. 18 shows an example in which an electronic tag is manufactured by attaching a double-sided adhesive tape or the like to the back surface of the inlet 33, and the electronic tag is attached to the surface of an article such as a voucher.
- the method for manufacturing an inlet for an electronic tag of the present invention can be applied to, for example, a process for manufacturing an antenna in an inlet for an electronic tag.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Aerials (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/592,477 US20070193020A1 (en) | 2004-03-12 | 2005-01-17 | Method of manufacturing an inlet member for an electronic tag |
JP2006510883A JPWO2005088526A1 (ja) | 2004-03-12 | 2005-01-17 | 電子タグ用インレットの製造方法 |
US12/558,915 US20100005647A1 (en) | 2004-03-12 | 2009-09-14 | Method of manufacturing an inlet member for an electronic tag |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-070463 | 2004-03-12 | ||
JP2004070463 | 2004-03-12 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/558,915 Continuation US20100005647A1 (en) | 2004-03-12 | 2009-09-14 | Method of manufacturing an inlet member for an electronic tag |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005088526A1 true WO2005088526A1 (ja) | 2005-09-22 |
Family
ID=34975784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/000467 WO2005088526A1 (ja) | 2004-03-12 | 2005-01-17 | 電子タグ用インレットの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20070193020A1 (ja) |
JP (1) | JPWO2005088526A1 (ja) |
TW (1) | TW200530933A (ja) |
WO (1) | WO2005088526A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1962229A2 (en) | 2007-02-22 | 2008-08-27 | Fujitsu Ltd. | RFID tag and RFID tag manufacturing method |
JP2008214647A (ja) * | 2007-02-28 | 2008-09-18 | Nippon Foil Mfg Co Ltd | プリント配線板の製造方法 |
JP2009258943A (ja) * | 2008-04-16 | 2009-11-05 | Omron Corp | ストラップ、タグインレット及びrfidタグ |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006054449A1 (de) * | 2006-11-16 | 2008-05-21 | Smartrac Ip B.V. | Transpondereinheit |
Citations (2)
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JP2001143038A (ja) * | 1999-11-17 | 2001-05-25 | Dainippon Printing Co Ltd | 非接触データキャリアとその製造方法 |
JP2004054491A (ja) * | 2002-07-18 | 2004-02-19 | Renesas Technology Corp | 電子タグの製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US5721007A (en) * | 1994-09-08 | 1998-02-24 | The Whitaker Corporation | Process for low density additive flexible circuits and harnesses |
EP1172760B1 (en) * | 2000-06-23 | 2004-12-01 | Toyo Aluminium Kabushiki Kaisha | Antenna coil for IC card and manufacturing method thereof |
FR2825228B1 (fr) * | 2001-05-25 | 2003-09-19 | Framatome Connectors Int | Procede de fabrication d'un circuit imprime et antenne planaire fabriquee avec celui-ci |
US20030138570A1 (en) * | 2001-12-21 | 2003-07-24 | Kimberly-Clark Worldwide, Inc. | Method to prepare diagnostic films using engraved printing cylinders such as rotogravure |
US7501984B2 (en) * | 2003-11-04 | 2009-03-10 | Avery Dennison Corporation | RFID tag using a surface insensitive antenna structure |
JP4268514B2 (ja) * | 2003-12-25 | 2009-05-27 | 東芝テック株式会社 | 無線タグ発行装置 |
US7057562B2 (en) * | 2004-03-11 | 2006-06-06 | Avery Dennison Corporation | RFID device with patterned antenna, and method of making |
JP2007072853A (ja) * | 2005-09-08 | 2007-03-22 | Renesas Technology Corp | 電子装置の製造方法 |
-
2004
- 2004-12-08 TW TW093137945A patent/TW200530933A/zh not_active IP Right Cessation
-
2005
- 2005-01-17 US US10/592,477 patent/US20070193020A1/en not_active Abandoned
- 2005-01-17 JP JP2006510883A patent/JPWO2005088526A1/ja not_active Withdrawn
- 2005-01-17 WO PCT/JP2005/000467 patent/WO2005088526A1/ja active Application Filing
-
2009
- 2009-09-14 US US12/558,915 patent/US20100005647A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001143038A (ja) * | 1999-11-17 | 2001-05-25 | Dainippon Printing Co Ltd | 非接触データキャリアとその製造方法 |
JP2004054491A (ja) * | 2002-07-18 | 2004-02-19 | Renesas Technology Corp | 電子タグの製造方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1962229A2 (en) | 2007-02-22 | 2008-08-27 | Fujitsu Ltd. | RFID tag and RFID tag manufacturing method |
EP1962229A3 (en) * | 2007-02-22 | 2009-07-01 | Fujitsu Ltd. | RFID tag and RFID tag manufacturing method |
KR100968194B1 (ko) | 2007-02-22 | 2010-07-06 | 후지쯔 가부시끼가이샤 | Rfid 태그의 제조 방법 |
CN101251903B (zh) * | 2007-02-22 | 2011-04-20 | 富士通株式会社 | 射频识别标签 |
US8302869B2 (en) | 2007-02-22 | 2012-11-06 | Fujitsu Limited | RFID tag and RFID tag manufacturing method |
JP2008214647A (ja) * | 2007-02-28 | 2008-09-18 | Nippon Foil Mfg Co Ltd | プリント配線板の製造方法 |
JP2009258943A (ja) * | 2008-04-16 | 2009-11-05 | Omron Corp | ストラップ、タグインレット及びrfidタグ |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005088526A1 (ja) | 2008-01-31 |
TWI357580B (ja) | 2012-02-01 |
US20100005647A1 (en) | 2010-01-14 |
US20070193020A1 (en) | 2007-08-23 |
TW200530933A (en) | 2005-09-16 |
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