WO2006017401A2 - Manufacture of rfid tags and intermediate products theerefor - Google Patents
Manufacture of rfid tags and intermediate products theerefor Download PDFInfo
- Publication number
- WO2006017401A2 WO2006017401A2 PCT/US2005/027075 US2005027075W WO2006017401A2 WO 2006017401 A2 WO2006017401 A2 WO 2006017401A2 US 2005027075 W US2005027075 W US 2005027075W WO 2006017401 A2 WO2006017401 A2 WO 2006017401A2
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- WIPO (PCT)
- Prior art keywords
- contact
- contact member
- strip
- electronic component
- solder
- Prior art date
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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
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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
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49855—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers for flat-cards, e.g. credit cards
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- H01L24/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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- H01L24/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
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- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68359—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used as a support during manufacture of interconnect decals or build up layers
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- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/79—Apparatus for Tape Automated Bonding [TAB]
- H01L2224/7965—Means for transporting the components to be connected
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- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
- H01L2224/8112—Aligning
- H01L2224/81121—Active alignment, i.e. by apparatus steering, e.g. optical alignment using marks or sensors
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- H01L2224/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
- H01L2224/812—Applying energy for connecting
- H01L2224/8121—Applying energy for connecting using a reflow oven
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- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
- H01L2224/818—Bonding techniques
- H01L2224/81801—Soldering or alloying
- H01L2224/81815—Reflow soldering
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- H01L2224/93—Batch processes
- H01L2224/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
- H01L2224/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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- H01L2924/1904—Component type
- H01L2924/19041—Component type being a capacitor
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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
- H05K3/04—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 mechanically, e.g. by punching
- H05K3/041—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 mechanically, e.g. by punching by using a die for cutting the conductive material
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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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
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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
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- Y10T29/49004—Electrical device making including measuring or testing of device or component part
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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
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- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
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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.
Definitions
- RFID tags are finding increased and widespread use as more systems are developed and placed into service for managing the inventory and sale of a wider variety of goods.
- RFID tags are applied to the goods and employ electronic circuitry responsive to radio frequency (RF) signals for providing readily monitored identification data pertaining to the goods.
- RF radio frequency
- the circuitry of an RFID tag includes an antenna connected to other circuit components of the tag.
- the antenna typically occupies a substantial portion of the area dimensions of the tag and usually is constructed of a relatively thin copper foil for flexibility and for maximum effectiveness in responding to RF signals.
- Current manufacturing processes are similar to those employed in the manufacture of printed circuit boards .
- a thin copper foil typically 0.0005 to 0.0015 inch in thickness, is laminated to a flexible synthetic polymeric substrate, such as a PET (polyethylene terephthalate) substrate having a thickness of about two to five mils.
- PET polyethylene terephthalate
- the desired antenna configuration then is photochemically etched from the laminate, that is, copper is chemically milled away leaving the desired copper pattern laminated to the chemically inert substrate.
- the substantial cost of the copper/PET laminate coupled with the relatively high cost of processing the substrate by chemical etching results in a total cost which becomes excessive when viewed in the light of the increasing demand for inexpensive, readily expendable RFID tags.
- the present invention provides improvements in manufacturing processes and in intermediate products which facilitate the manufacture of highly effective, yet relatively inexpensive RFID tags for widespread use in connection with the management of inventories and sales of a wide variety of goods.
- the antenna configuration is stamped from a thin sheet of copper or aluminum and subsequently is affixed to a substrate to establish an intermediate product used to complete an RFID tag, all as described in an earlier filed patent application, serial no. 11/075,390, filed March 8, 2005, the disclosure of which is incorporated herein by reference thereto.
- the ability to employ an antenna stamped from a thin metallic sheet enables the elimination of a relatively expensive laminated substrate starting material as well as the conventional costly manufacturing protocols associated with a chemical etching procedure.
- the manufacture of an RFID tag requires that an electrical connection be made between the antenna and an electronic component, such as an RFID integrated circuit
- IC integrated circuit
- die also referred to as a "die”
- capacitor within the RFID tag.
- IC integrated circuit
- solder connections are preferred in that corrosion is eliminated and the shortcomings of various mechanical connections are avoided. Mechanical connections can fail as a result of flexing of the RFID tag, and concomitant flexing of the antenna.
- the stamped antenna enables the leads of an electronic component to be soldered to the antenna.
- Such a soldered connection not only provides the desired positive electrical connection, but enables economy of assembly in that the connection can be made prior to affixation of the antenna to the substrate, as described in the aforesaid provisional patent application serial no. 11/075,390.
- a manufacturing process in which an electronic component, such as an RFID IC chip, can be soldered to each antenna and which enables higher speed production of the RFID tag in a sequential line requires the ability to locate the electronic component in accurately placed juxtaposition with each sequential antenna in a line so that the leads of the electronic component are precisely registered with contact areas of the antenna, and soldered, all before affixation of the antennas to a substrate.
- the ability to make the electrical connection before affixation of the antenna to the substrate allows the use of the more desirable soldered connections without applying heat to the substrate, which otherwise could degrade or damage the substrate.
- having the ability to stamp the antenna and make the soldered connections within a sequential line enables the incorporation of additional assembly procedures in that same line so as to realize further economy of manufacture. For example, the addition of the backing and the cover of a completed RFID tag can be accomplished within one continuous sequential line.
- the present invention attains several objects and advantages, some of which are summarized as follows: Facilitates the manufacture of RFID tags having antennas stamped from thin metal sheets and connected to electronic components with soldered connections; enables the placement and assembly of electronic components with antennas to be accomplished quickly and with precision for more economical and higher speed production of RFID tags; allows greater flexibility in the selection and use of facilities at manufacturing sites enabling a wider variety of choices of manufacturing sites; avoids the use of relatively expensive materials, techniques, equipment and facilities associated with current manufacturing procedures which require chemical etching; gains the • advantages of soldered connections and the concomitant mechanical and electrical integrity provided by soldered connections; eliminates the requirement for complex and costly facilities and procedures in the production of RFID tags, allowing greater flexibility and higher efficiency in the arrangement and citing of production lines for maximum economy in the distribution and use of RFID tags; enables high-speed, automated production of RFID tags having stamped antennas with soldered connections; provides RFID tags of higher quality at lower cost, for promoting widespread use of RFID tags with increased reliability and greater economy.
- the present invention provides, in the manufacture of an RFID tag, a method for electrically connecting leads of an electronic component to counterpart contact areas of an antenna stamped from a thin strip of electrically conductive metal, the method comprising: stamping portions from the thin strip of metal to establish a contact member and a compliant coupling arrangement coupling the contact member with the strip for compliant movement of the contact member relative to the strip, the contact member having contact areas; providing solder at each contact area,- juxtaposing the electronic component with the contact member, with the compliant coupling arrangement enabling compliant movement of the contact member and placement of the contact member and the electronic component in a predetermined relative position wherein the leads of the electronic component are registered with solder on a counterpart contact area of the contact member; and fusing the solder to effect a soldered connection between each lead and the counterpart contact area.
- the present invention includes, in the manufacture of RFID tags, a method for electrically connecting leads of electronic components to counterpart contact areas of antennas stamped sequentially from a thin strip of electrically conductive metal of indeterminate longitudinal length, the method comprising: sequentially stamping portions from the thin strip of metal to establish a series of contact members spaced longitudinally from one another along the strip, and corresponding compliant coupling arrangements coupling the contact members with the strip for compliant movement of the contact members relative to the strip, the contact members having contact areas; providing solder at each contact area; juxtaposing an electronic component with a corresponding contact member at a transfer station, with the compliant coupling arrangement enabling compliant movement of the contact member and placement of the contact member and the corresponding electronic component in a predetermined relative position wherein the leads of the electronic component are registered with solder on counterpart contact areas of the contact member; and fusing the solder to effect a soldered connection between each lead and the counterpart contact area.
- the present invention provides an intermediate product for the manufacture of RFID tags, each RFID tag including an electronic component electrically- connected to an antenna stamped from a thin strip of electrically conductive metal, the intermediate product comprising: a thin strip of conductive metal of indeterminate longitudinal length; a series of contact members spaced longitudinally along the strip, the contact members being carried by the strip for movement with the strip into and out of a manufacturing station upon movement of the strip in a longitudinal direction, each contact member including an overall contact area and contact elements having corresponding contact areas; and a compliant coupling arrangement coupling each contact member with the strip for enabling compliant movement of a contact member relative to the strip for enabling alignment of the contact member and an electrical component in a predetermined relative position at the manufacturing station.
- the present invention includes an intermediate product for the manufacture of RFID tags, each RFID tag including an electronic component electrically- connected to an antenna stamped from a thin strip of electrically conductive metal, the intermediate product comprising: a substrate of indeterminate longitudinal length; a series of antennas stamped from a thin strip of electrically conductive metal and placed longitudinally along the substrate, the antennas being spaced longitudinally from one another along a longitudinal direction; each antenna including contact elements; and an electronic component connected to each antenna, each electronic component having leads registered with and soldered to corresponding contact elements of a corresponding antenna.
- FIG. 1 is a diagrammatic illustration, with several magnified insets, of a sequential line demonstrating an embodiment of the present invention
- FIG. 2 is an enlarged portion of FIG. 1;
- FIG. 2A is a further enlarged portion of FIG. 2, taken at arrow 2A of FIG. 2 ;
- FIG. 2B is an enlarged cross-sectional view, taken along line 2B-2B of FIG. 2;
- FIG. 3 is another enlarged portion of FIG. 1;
- FIG. 3A is a further enlarged portion of FIG. 3, taken at arrow 3A of FIG. 3;
- FIG. 3B is an enlarged cross-sectional view, taken along line 3B-3B of FIG. 3;
- FIG. 3C is an enlarged bottom plan view of an electronic component illustrated in connection with the present invention.
- FIG. 4 is still another enlarged portion of FIG. 1;
- FIG. 4A is a further enlarged portion of FIG. 4, taken at arrow 4A of FIG. 4;
- FIG. 4B is an enlarged cross-sectional view, taken along line 4B-4B of FIG. 4.
- an aluminum strip 10 is supplied from a supply reel 12 and advanced along a longitudinal direction to a first press 14 where portions of the strip 10 are punched from the strip 10, as represented by shaded areas 20 and 22, to establish a series of contact members 24 integrated with and carried by the remainder of the strip 10, spaced longitudinally from one another along the strip 10, each contact member 24 remaining coupled with the strip 10 by a compliant coupling arrangement shown in the form of undulant arms 25 connecting each contact member 24 with the strip 10.
- Locators in the form of pilot holes 26 are placed at the opposite ends of a slot 28 which separates each contact member 24 into two contact elements 29 such that the overall area of each contact member 24 is divided into two separate contact areas 30.
- each contact member 24 is provided with an essentially rectangular configuration and slot 28 extends along a diagonal of the rectangular area, oblique to the longitudinal spacing of the contact members 24 along strip 10, for reasons to be set forth hereinafter.
- portions of the strip 10 at the contact areas 30 are deformed, as by lancing, to provide four containing shoulders 32 in each contact member 24 and are further deformed to provide a contact dimple 34 in each separate contact area 30, all as seen better in FIGS. 2 through 2B.
- the aluminum strip 10 carries solder, shown in the form of a copper clad silver solder inlay 36, which is integrated with and extends longitudinally along the strip 10, and the contact members 24 are placed along the strip 10 such that the contact areas 30 are juxtaposed with the solder provided by solder inlay 36.
- the strip 10 then is cleaned at station 37 and advanced' to a second press 38 located at another manufacturing station, in the form of transfer station 39, wherein, as best seen in FIGS. 3 through 3C, an electronic component, illustrated as a chip 40 having leads 41, is juxtaposed with and placed on each contact member 24, located accurately upon the contact member 24, with the leads 41 of the chip 40 registered with corresponding contact dimples 34 of the contact areas 30, and registered with the solder provided at the contact areas 30.
- Chip 40 is illustrated in the form of a conventional RFID IC chip having a generally rectangular plan configuration with leads 41 located essentially along a diagonal of the rectangular configuration, diagonally opposite one another, as seen FIG. 3C.
- the chips 40 are brought sequentially into juxtaposition with the strip 10 by a transfer tape 42 which is advanced along a path of travel transverse to the path of travel of the strip 10 and into the transfer station 39 in synchronism with the advancement of strip 10.
- the path of travel of the transfer tape 42 is essentially normal to the path of travel of the strip 10. Accordingly, upon juxtaposition of a chip 40 with a contact member 24, at the transfer station 39, the diagonally opposite location of leads 41 places each lead 41 well within the triangular configuration of a corresponding contact area 30 for assuring an effective soldered connection, as described below.
- Transfer tape 42 includes locators in the form of pilot holes 44 which are to be aligned with pilot holes 26 within a corresponding contact member 24 so that chip- locating pilots 46 extended through registered pilot holes 44 and 26 accurately locate a chip 40 relative to contact areas 30 of a corresponding contact member 24 at the transfer station 39.
- the compliant coupling arrangement provided by undulant arms 25 enables movement of the contact member 24, in longitudinal and lateral directions relative to the strip 10, in response to the insertion of pilots 46, as may be required to place the contact member 24 and the chip 40 in appropriate alignment at a predetermined relative position wherein the leads 41 of the chip 40 are registered with the corresponding contact dimples 34 and the solder provided at the contact dimples 34.
- Strip 10 then is advanced to a third press 60 wherein, as best seen in FIGS. 4 through 4B, antennas 62 are stamped sequentially from the strip 10, with each antenna 62 being formed unitary with a contact member 24 such that each antenna 62 carries a chip 40 having leads 41 soldered to the antenna 62 at contact dimples 34 of corresponding contact areas 30 of the contact elements 29, which contact elements 29 now serve as antenna contacts.
- the contact areas 30 are separated by a gap 63 established by slot 28, the ears 31 having been severed from the contact member 24 during stamping of each antenna 62, so that the contact elements 29, and the contact areas 30 thereof, no longer are connected electrically through the ears 31.
- the antennas 62 now separated from the remainder of strip 10, can be transferred to a substrate 64 and carried for further assembly to complete the manufacture of RFID tags, in which case the substrate 64, with the antennas 62, is transferred to a take-up reel 70 for further processing.
- the connections between the leads 41 of chip 40 and corresponding contact areas 30 are soldered well prior to placing completed antennas 62 on substrate 64, thereby avoiding any degradation of the substrate which otherwise could result from the heat of the soldering operation.
- strip 10 may be directed to a take-up reel 72, as illustrated in FIG. 1, for transfer to a remote press (not shown) to complete the antennas 62 and the further manufacture of complete RFID tags.
- the present invention attains all of the objects and advantages summarized above, namely: Facilitates the manufacture of RFID tags having antennas stamped from thin metal sheets and connected to electronic components with soldered connections; enables the placement and assembly of electronic components with antennas to be accomplished quickly and with precision for more economical and higher speed production of RFID tags; allows greater flexibility in the selection and use of facilities at manufacturing sites enabling a wider variety of choices of manufacturing sites; avoids the use of relatively expensive materials, techniques, equipment and facilities associated with current manufacturing procedures which require chemical etching; gains the advantages of soldered connections and the concomitant mechanical and electrical integrity provided by soldered connections; eliminates the requirement for complex and costly facilities and procedures in the production of RFID tags, allowing greater flexibility and higher efficiency in the arrangement and citing of production lines for maximum economy in the distribution and use of RFID tags; enables high-speed, automated production of RFID tags having stamped antennas with soldered connections; provides RFID tags of higher quality at lower cost, for promoting widespread use of RFID tags with increased reliability and greater economy.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59826804P | 2004-08-03 | 2004-08-03 | |
US60/598,268 | 2004-08-03 |
Publications (2)
Publication Number | Publication Date |
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WO2006017401A2 true WO2006017401A2 (en) | 2006-02-16 |
WO2006017401A3 WO2006017401A3 (en) | 2006-05-04 |
Family
ID=35839824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/027075 WO2006017401A2 (en) | 2004-08-03 | 2005-07-29 | Manufacture of rfid tags and intermediate products theerefor |
Country Status (2)
Country | Link |
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US (1) | US7229018B2 (en) |
WO (1) | WO2006017401A2 (en) |
Cited By (4)
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WO2007143527A2 (en) * | 2006-06-01 | 2007-12-13 | S.D. Warren Company | Rfid tags and antennas and methods of their manufacture |
WO2009069053A1 (en) * | 2007-11-26 | 2009-06-04 | Nxp B.V. | Methods of manufacturing an antenna or a strap for accommodating an integrated circuit, an antenna on a substrate, a strap for an integrated circuit and a transponder |
WO2010066366A1 (en) * | 2008-12-13 | 2010-06-17 | Muehlbauer Ag | Method and apparatus for manufacturing an electronic assembly, electronic assembly manufactured with the method or in the apparatus |
CN114302574A (en) * | 2021-12-27 | 2022-04-08 | 杭州中芯微电子有限公司 | Based on RFID coupling capacitance element welding erection equipment |
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US7712674B1 (en) * | 2005-02-22 | 2010-05-11 | Eigent Technologies Llc | RFID devices for verification of correctness, reliability, functionality and security |
ES2386614T3 (en) * | 2010-02-06 | 2012-08-23 | Textilma Ag | Mounting device for applying an RFID chip module on a substrate, especially a label |
CN102576940B (en) * | 2010-03-12 | 2016-05-04 | 株式会社村田制作所 | Wireless communication devices and metal article processed |
CN102427158A (en) * | 2011-08-11 | 2012-04-25 | 瑞声声学科技(深圳)有限公司 | Method for making radio frequency identification antenna |
US9252478B2 (en) * | 2013-03-15 | 2016-02-02 | A.K. Stamping Company, Inc. | Method of manufacturing stamped antenna |
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Also Published As
Publication number | Publication date |
---|---|
US20060026819A1 (en) | 2006-02-09 |
US7229018B2 (en) | 2007-06-12 |
WO2006017401A3 (en) | 2006-05-04 |
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