WO2007071830A9 - Procede d’accord de transpondeur et transpondeur - Google Patents

Procede d’accord de transpondeur et transpondeur

Info

Publication number
WO2007071830A9
WO2007071830A9 PCT/FI2006/050579 FI2006050579W WO2007071830A9 WO 2007071830 A9 WO2007071830 A9 WO 2007071830A9 FI 2006050579 W FI2006050579 W FI 2006050579W WO 2007071830 A9 WO2007071830 A9 WO 2007071830A9
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
transponder
circuit
circuit board
component
Prior art date
Application number
PCT/FI2006/050579
Other languages
English (en)
Other versions
WO2007071830A1 (fr
Inventor
Petteri Stroemberg
Original Assignee
Upm Raflatac Oy
Petteri Stroemberg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Upm Raflatac Oy, Petteri Stroemberg filed Critical Upm Raflatac Oy
Publication of WO2007071830A1 publication Critical patent/WO2007071830A1/fr
Publication of WO2007071830A9 publication Critical patent/WO2007071830A9/fr

Links

Classifications

    • 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
    • H01Q1/2225—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 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0724—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being a circuit for communicating at a plurality of frequencies, e.g. for managing time multiplexed communication over at least two antennas of different types
    • 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0726—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
    • 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
    • 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
    • G06K19/07766—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 comprising at least a second communication arrangement in addition to a first non-contact communication arrangement
    • G06K19/07767—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 comprising at least a second communication arrangement in addition to a first non-contact communication arrangement the first and second communication means being two different antennas types, e.g. dipole and coil type, or two antennas of the same kind but operating at different frequencies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

Definitions

  • the present invention relates to a method for manufacturing a circuit board for a transponder comprising forming an inductance of an antenna circuit.
  • the invention further relates to a circuit board for a transponder which comprises an antenna circuit and an inductance.
  • the invention further relates to a transponder comprising a circuit board, an inductance, and a component.
  • Antenna circuits are implemented, for example, in transponders for different applications.
  • a transponder is usually a small-sized equipment which comprises an antenna circuit.
  • the antenna circuit usually comprises a resonance circuit and an antenna, or e.g. the coil of the resonance circuit operates as an antenna.
  • the transponder may further comprise a chip to/from which information can be wireiessly stored/read. The information is stored into a memory of the chip or generated e.g. by a logical circuit of the chip upon request.
  • the operation energy for the transponder is usually externally provided to the transponder by the reader when information is to be stored into or read from the chip.
  • the energy is supplied to the transponder as a radio frequency (RF) energy.
  • the antenna of the transponder receives the energy.
  • the antenna is part of the resonance circuit wherein the radiated energy should oscillate within a certain frequency range
  • the received energy is usually stored to an energy storage such as a capacitor.
  • the stored energy suffices for the information storage/reading operation when the resonance circuit and the transmission frequency of the reader are near each other /,e. the resonance circuit is tuned to the transmission frequency of the reader.
  • transponders There are different systems in which transponders are utilized. However, the transmission frequencies are not the same in every system. Therefore, different resonance frequencies are needed in transponders of different systems. This problem can be solved by providing different transponders for different systems. Therefore, two different circuit boards having different resonance have to be manufactured. This increases the manufacturing costs.
  • One prior art solution utilizes a broad bandwidth in the antenna circuits thus allowing the energy and information transmission between the transponder and readers for different systems. However, the broad bandwidth antenna circuit is always a compromise and the efficiency of the energy transmission is lower when compared to the transponders which are designed to operate only in one system and on one frequency,
  • the present invention provides an improved method for manufacturing the antenna circuit for a transponder, a circuit board for a transponder, and a transponder.
  • the invention is based on the idea that at least two antenna circuits are provided with the circuit board for the transponder.
  • the antenna circuits have different resonance frequencies to allow multi-frequency operation.
  • the manufacturing method according to the present invention is primarily characterised in that the method comprises forming at least a first antenna circuit and a second antenna circuit to the circuit board, the first antenna circuit having a different resonance frequency than the second antenna circuit
  • the circuit board for a transponder according to the present invention is primarily characterised in that the antenna circuitry of the circuit board comprises at least a first antenna circuit and a second antenna circuit, the first antenna circuit having a different resonance frequency than the second antenna circuit.
  • the transponder according to the present invention is primarily characterised in that the transponder comprises at least a first antenna circuit and a second antenna circuit, the first antenna circuit having a different resonance frequency than the second antenna circuit.
  • the invention provides advantages compared to prior art methods, circuit boards and transponders.
  • the transponders according to the present invention it is not necessary to produce different transponders and different circuit boards for each system but the same transponder can be used. Therefore, manufacturing costs can be reduced.
  • the manufacturer of products which will be included with a transponder according to the present invention not know exactly the system which will read from/write to the ionders of the products. This is especially useful when the products will livered to two or more product resellers having different systems for ig from/writing to the transponders.
  • the mass production of the ionders is more efficient and prices of the transponders can also be ed.
  • the price of the transponder is very critical in some implementation
  • circuit board 1 for a Donder 2 comprising at least a substrate 1.1 and two antenna ts 3, 4.
  • the circuit board 1 is preferably a flexible circuit board, called as an inlay, wherein the substrate 1.1 is made of flexible IaI.
  • the invention is not limited to flexible circuit boards can also be applied with rigid circuit boards. There are many n alternatives for manufacturing flexible circuit boards, for pie using plastic as the substrate 1.1.
  • the substrate 1.1 is covered by a metallization
  • the metallization layer 1.2 can be made by e.g. evaporating electricity conducting material on the substrate 1.1 , for example nium or copper.
  • the metallization layer 1.2 can also be made by adhering a metal film on the substrate 1.1.
  • the metaflization layer 1 ,1 is then partly etched so that the wirings of the circuit for the transponder remain.
  • the etching process needs an addition of an etching mask (not shown) on the metallization layer 1.2 before the circuit board 1 can be inserted into an etching path.
  • There are atso other methods for the removal of unnecessary parts of the metallization layer as is well known by an expert in the field.
  • the wirings are formed by using an additive process.
  • the substrate 1.1 is not totally covered by the metallization layer 1.2 but only on those parts in which the electrical conductivity is needed.
  • This process also needs a mask but on those parts of the surface of the substrate 1.1 onto which metallization is not needed.
  • Fig, 1 depicts an example pattern of the electrical wirings comprising two antenna circuits formed to the circuit board 1.
  • the antenna circuits 3, 4 comprise two antenna elements 3.1 , 4.1 , which in this embodiment are dipole antenna elements having different length.
  • the lengths of the dipole elements 3,2, 4.2 » operating as radiators, determine the best operating frequency of the antenna in question.
  • the length can be reduced by connecting a reactance 3.2. 4.2 e.g. a coil in series with the dipole element.
  • connection elements such as leads, connection pads, etc for connecting the component 5 to the other electronic circuitry.
  • connection elements such as leads, connection pads, etc.
  • the component 5 may e.g. be a chip for a so called RFlD transponder or another semiconductor chip.
  • the component 5 comprises converter circuit 5.1 for transforming high-frequency electrical energy into DC energy for the operation of the internal circuitry of the component 5.
  • the wirings comprise a first antenna element 3.1 which forms the first antenna circuit 3, and a second antenna element 4.1 which forms the second antenna circuit 4,
  • a first end of the first antenna element 3.1 is coupled Io a first connection area 6 for the component 5, and a second end of the first antenna element 3.1 is coupled to a second connection area 7 for the component 5,
  • a first end of the second antenna element 4,1 is coupled to a first connection area 8 for the component 5, and a second end of the second antenna element 4.1 is coupled to a second connection area 7 for the component 5.
  • the antenna elements 3.1, 4.1 are connected in parallel but it is also possible to connect them in series.
  • the component 5 has different connectors for the antenna elements 3.1, 4.1 in which case at least one end of the first antenna element 3.1 and the second antenna element 4.1 are connected to different connectors of the chip 5.
  • the antenna circuits 3, 4 may further comprise one or more capacitors or other elements which, in connection with the antenna element 3.1 , 4.1, determine the resonance frequency and the band width of the respective antenna circuit 3, 4.
  • the semiconductor chip 5 is included with one or more capacitors to be part of the antenna circuit. In the latter case external capacitors may not be needed.
  • the antenna circuits 3, 4 may also comprise tuning elements 8 for fine tuning the resonance frequency and/or the band width of the antenna circuits 3, 4.
  • the transponder 2 is attached with a product 9, a package 10 for the product 9 or to another appropriate place. Some information related to the product 9 can be written to the transponder 2, for example to the memory 5.2 of the component 5, This can be done by a reader/writer device 11 as is illustrated in fig. 3.
  • the reader/writer device 11 generates a signal having a frequency which lies at or near the resonance frequency of either the first antenna circuit 3 or the second antenna circuit 4.
  • the high-frequency signal is converted by the converter 5,1 into a dc voltage of appropriate level and stored into an energy storage unit 5.4 for the operation of the internal circuitry 5.3 of the component 4,
  • the internal circuitry 5.3 comprises at least the memory 5,2 and a controlling element 5.3 for controlling the operation of the component 5.
  • the signal transmitted by the reader/writer device 11 is modulated with data to transmit information from the reader/writer 11 to the component 5.
  • the data modem 5,4 of the component 5 demodulates the data when necessary and writes the data to the memory 5.2.
  • the data may also comprise control information wherein the controlling element 5.3 interprets the control information and performs respective operations.
  • the control information may include an indication that data is to be written to the memory 5.2 of the component, or read from the memory 5,2 of the component
  • the reader/writer device 11 generates a high-frequency signal on the frequency band of either the first 3 or the second antenna circuit 4.
  • the signal is received by the corresponding antenna circuit 3, 4 of the transponder and the converter 5.1 converts the signal into a dc voltage which is stored into the energy storage unit 5.4.
  • the high-frequency signal may be modulated with data indicating to the transponder 2 that a read operation is to be performed.
  • the controlling element 5.3 reads the data from the memory 5.1 and sends a response to the reader/writer device 11 e.g. by forming a high-frequency signal modulated with the data in the data modem 5.4.
  • transponder 2 comprising at least two antenna circuits having different resonance frequencies enable the usage of the same transponder 2 in different systems, Thus, the product 9 or the package 10 need not be provided with different kind of transponders for different systems.
  • the invention also makes it possible that data can be written to the transponder 2 by a reader/writer device 1 1 of a first system and read by a reader/writer device of another system.
  • the transponder 2 may also be one-directional allowing only the read operation. In that case data is stored into e.g. a read-onfy memory during the manufacturing process of the transponder. The data can still be read from the transponder 2 as was illustrated above.
  • the component 5 can also be joined to the antenna circuits 3, 4 by using soldering, adhesive or any suitable method known as such.
  • the component 5 can also be formed as a module which Is then attached to the transponder 2.
  • a module comprises, for example, a substrate in a strap form in which the necessary etectricaf connections are arranged for electrically connecting the chip of the module to the transponder.
  • This kind of module containing the chip can also be called as a strap or a strap module, for example.
  • the transponder can be made for so called RFID applications (Radio Frequency Identification).

Abstract

L’invention concerne un procédé de fabrication d’une carte imprimée (1) pour un transpondeur (5). Le procédé comprend l’étape consistant à former une inductance (3.1, 4.1) comportant au moins des premier et deuxième circuits d’antenne (3, 4), la fréquence de résonance du premier circuit d’antenne (3) étant différente de celle du deuxième circuit d’antenne (4). L’invention concerne également une carte imprimée (1) pour un transpondeur (5) ainsi que ce transpondeur (5).
PCT/FI2006/050579 2005-12-22 2006-12-22 Procede d’accord de transpondeur et transpondeur WO2007071830A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20055696 2005-12-22
FI20055696A FI20055696A (fi) 2005-12-22 2005-12-22 Transponderin viritysmenetelmä ja transponderi

Publications (2)

Publication Number Publication Date
WO2007071830A1 WO2007071830A1 (fr) 2007-06-28
WO2007071830A9 true WO2007071830A9 (fr) 2007-09-07

Family

ID=35510774

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2006/050579 WO2007071830A1 (fr) 2005-12-22 2006-12-22 Procede d’accord de transpondeur et transpondeur

Country Status (2)

Country Link
FI (1) FI20055696A (fr)
WO (1) WO2007071830A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704928A3 (fr) * 1994-09-30 1998-08-05 HID Corporation Système transpondeur radiofréquence avec interrogation à résonance parallèle et réponse à résonance en série
DE19628802A1 (de) * 1996-07-17 1998-01-22 Telesensomatic Gmbh Transponder
SE511501C2 (sv) * 1997-07-09 1999-10-11 Allgon Ab Kompakt antennanordning
SE513055C2 (sv) * 1998-04-24 2000-06-26 Intenna Technology Ab Flerbandsantennanordning
US6842158B2 (en) * 2001-12-27 2005-01-11 Skycross, Inc. Wideband low profile spiral-shaped transmission line antenna
JP2005045339A (ja) * 2003-07-23 2005-02-17 Minowa Koa Inc 非接触型識別データキャリアおよび非接触型識別データキャリアの設計方法
JP2005064865A (ja) * 2003-08-12 2005-03-10 Amplet:Kk 三周波対応ｒｆｉｄ用アンテナ
JP2005151257A (ja) * 2003-11-17 2005-06-09 Pegasus Net Kk Ｒｆｉｄ通信における２周波通信方式

Also Published As

Publication number Publication date
WO2007071830A1 (fr) 2007-06-28
FI20055696A0 (fi) 2005-12-22
FI20055696A (fi) 2007-06-23

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