ATE153804T1 - Verfahren zur herstellung eines flachen, flexiblen antennenkerns für einen chip- transponder, eingebaut in einer karte oder ähnlichem objekt und ein derart hergestellter antennenkern - Google Patents

Verfahren zur herstellung eines flachen, flexiblen antennenkerns für einen chip- transponder, eingebaut in einer karte oder ähnlichem objekt und ein derart hergestellter antennenkern

Info

Publication number
ATE153804T1
ATE153804T1 AT92200331T AT92200331T ATE153804T1 AT E153804 T1 ATE153804 T1 AT E153804T1 AT 92200331 T AT92200331 T AT 92200331T AT 92200331 T AT92200331 T AT 92200331T AT E153804 T1 ATE153804 T1 AT E153804T1
Authority
AT
Austria
Prior art keywords
antenna core
strip
magnetic field
strips
antenna
Prior art date
Application number
AT92200331T
Other languages
English (en)
Inventor
Hont Loek J D
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of ATE153804T1 publication Critical patent/ATE153804T1/de

Links

Classifications

    • 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
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • 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
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • G06K19/07781—Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being fabricated in a winding process
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/095—Magnetic or electrostatic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Soft Magnetic Materials (AREA)
  • Details Of Aerials (AREA)
  • Geophysics And Detection Of Objects (AREA)
AT92200331T 1992-02-05 1992-02-05 Verfahren zur herstellung eines flachen, flexiblen antennenkerns für einen chip- transponder, eingebaut in einer karte oder ähnlichem objekt und ein derart hergestellter antennenkern ATE153804T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92200331A EP0554581B1 (de) 1992-02-05 1992-02-05 Verfahren zur Herstellung eines flachen, flexiblen Antennenkerns für einen Chip-Transponder, eingebaut in einer Karte oder ähnlichem Objekt und ein derart hergestellter Antennenkern

Publications (1)

Publication Number Publication Date
ATE153804T1 true ATE153804T1 (de) 1997-06-15

Family

ID=8210408

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92200331T ATE153804T1 (de) 1992-02-05 1992-02-05 Verfahren zur herstellung eines flachen, flexiblen antennenkerns für einen chip- transponder, eingebaut in einer karte oder ähnlichem objekt und ein derart hergestellter antennenkern

Country Status (5)

Country Link
US (2) US5408243A (de)
EP (1) EP0554581B1 (de)
JP (1) JP3662943B2 (de)
AT (1) ATE153804T1 (de)
DE (1) DE69220029T2 (de)

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Also Published As

Publication number Publication date
EP0554581B1 (de) 1997-05-28
EP0554581A1 (de) 1993-08-11
US5625366A (en) 1997-04-29
US5408243A (en) 1995-04-18
DE69220029T2 (de) 1997-09-18
JPH0659046A (ja) 1994-03-04
JP3662943B2 (ja) 2005-06-22
DE69220029D1 (de) 1997-07-03

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