DE19625466C1 - Chip card with visible contact areas of different colour from usual silver or gold - Google Patents
Chip card with visible contact areas of different colour from usual silver or goldInfo
- Publication number
- DE19625466C1 DE19625466C1 DE1996125466 DE19625466A DE19625466C1 DE 19625466 C1 DE19625466 C1 DE 19625466C1 DE 1996125466 DE1996125466 DE 1996125466 DE 19625466 A DE19625466 A DE 19625466A DE 19625466 C1 DE19625466 C1 DE 19625466C1
- Authority
- DE
- Germany
- Prior art keywords
- chip card
- card according
- coloring particles
- contact chip
- dispersion layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
- G06K19/07743—External electrical contacts
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0269—Marks, test patterns or identification means for visual or optical inspection
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
- H05K1/095—Dispersed materials, e.g. conductive pastes or inks for polymer thick films, i.e. having a permanent organic polymeric binder
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
-
- 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
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/161—Using chemical substances, e.g. colored or fluorescent, for facilitating optical or visual inspection
-
- 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
- H05K3/244—Finish plating of conductors, especially of copper conductors, e.g. for pads or lands
Abstract
Description
Die Erfindung bezieht sich auf eine kontaktbehaftete Chipkarte. Derartige Chipkarten enthalten ein Chipmodul, d. h. ein Trägerelement für den Chip/IC-Baustein, mit elektrisch leitfähigen Kontakten. Diese Kontakte sind mit entsprechenden Anschlußpunkten des Chips leitend verbunden, so daß hierüber die Kommunikation der Chipkarte mit entsprechenden Geräten (Chipkartenterminals) ermöglicht wird. Das Chipmodul wird in einer zur Kartenvorderseite hin offenen Aussparung des Kartenkörpers fixiert. Die Kontakte liegen in der Ebene der Kartenvorderseite oder minimal (ca. ± 0,1 mm) gegenüber dieser versetzt.The invention relates to a contact-type chip card. Such smart cards contain a chip module, i. H. a carrier element for the chip / IC module, with electrical conductive contacts. These contacts are with corresponding connection points of the Chips conductively connected, so that the communication of the chip card with corresponding devices (chip card terminals) is enabled. The chip module is in fixed a recess of the card body open to the front of the card. The contacts lie in the plane of the front of the card or minimally (approx. ± 0.1 mm) opposite it transferred.
Derartige Chipkarten haben bereits eine große Verbreitung gefunden in Form von Telefonkarten, Krankenversichertenkarten, GSM-Karten, Bank- und Kreditkarten etc.Such chip cards have already found widespread use in the form of Phonecards, health insurance cards, GSM cards, bank and credit cards etc.
Das Layout dieser Karten (Kartenvorderseite und Rückseite) ist in aufwendiger Weise, meistens mehrfarbig gestaltet; wohingegen momentan nur Chipmodule mit einer gold- oder silberfarbenen Oberfläche der Kontakte verfügbar sind. Dabei sind diese Kontakte meisten so aufgebaut, daß auf eine Kupferschicht eine Metallisierung aus Gold, Silber oder Palladium aufgebracht wird, wobei auch die Palladium-Metallisierung silberfarben erscheint.The layout of these cards (front and back of the card) is complex, mostly multicolored; whereas currently only chip modules with a gold or silver-colored surface of the contacts are available. These are contacts Mostly constructed in such a way that a copper, metal, gold or silver coating Palladium is applied, the palladium metallization also being silver-colored appears.
Derartige Karten sind in der Offenlegungsschrift DE 44 41 052 beschrieben.Such cards are described in the published patent application DE 44 41 052.
Aufgabe der Erfindung ist es, eine kontaktbehaftete Chipkarte zu schaffen, deren Kontaktflächen-Farbe sich von den bisher bekannten silber- oder goldfarbenen Kontaktflächen unterscheidet.The object of the invention is to provide a contact-type chip card, the Contact surface color differs from the previously known silver or gold colored Differentiates contact surfaces.
Diese Aufgabe wird dadurch gelöst, daß die sichtbare Schicht der Kontakte zumindest in einem Teilflächenbereich von einer Metall-Dispersionsschicht mit darin dispergierten, farbgebenden Partikeln gebildet ist.This object is achieved in that the visible layer of the contacts at least in a partial surface area of a metal dispersion layer with dispersed therein coloring particles is formed.
Für ein Verfahren zur Herstellung von Chipmodulen für die erfindungsgemäßen Chipkarten wird in Patentanspruch 17 Schutz beansprucht. For a method for producing chip modules for the chip cards according to the invention protection is claimed in claim 17.
Anhand der beigefügten Zeichnungen soll die Erfindung nachfolgend näher erläutert werden.The invention will be explained in more detail below with the aid of the accompanying drawings will.
In Fig. 1 ist eine Draufsicht auf eine kontaktbehaftete Chipkarte (1) gezeigt. In dem Kartenkörper (10) ist das Chipmodul (2) mit den metallischen Kontaktflächen (20) eingebettet. Dabei ist es in einer ersten Ausgestaltung der Erfindung vorgesehen, daß die sichtbare, d. h. die oberste Schicht aller Kontaktflächen (20) von einer Metall- Dispersionsschicht (20B) mit darin dispergierten, farbgebenden Partikeln (20B*) gebildet ist.In Fig. 1 a plan view is shown on a contact-type smart card (1). The chip module ( 2 ) with the metallic contact surfaces ( 20 ) is embedded in the card body ( 10 ). It is provided in a first embodiment of the invention that the visible, ie the uppermost layer of all contact surfaces ( 20 ) is formed by a metal dispersion layer ( 20 B) with coloring particles ( 20 B *) dispersed therein.
In einer zweiten Ausgestaltung der Erfindung ist es vorgesehen, daß die sichtbare Schicht der Kontakte (20) nur in Teilflächenbereichen von einer Metall-Dispersionsschicht (20B) mit darin dispergierten, farbgebenden Partikeln (20B*) gebildet ist - vgl. Fig. 2. Dort ist nur auf bestimmte Kontaktflächen (schraffiert dargestellt) eine Metall-Dispersionsschicht (20B) mit darin dispergierten, farbgebenden Partikeln (20B*) aufgebracht. Dies kann durch galvanische Abscheidung mit Hilfe selektiver Abdeckung (Passivierung) gemacht werden.A second embodiment of the invention provides that the visible layer of the contacts ( 20 ) is formed only in partial surface areas by a metal dispersion layer ( 20 B) with coloring particles ( 20 B *) dispersed therein - cf. Fig. 2. A metal dispersion layer ( 20 B) with color-imparting particles ( 20 B *) dispersed therein is only applied to certain contact areas (hatched). This can be done by galvanic deposition with the help of selective covering (passivation).
Als farbgebende Partikel (20B*) eignen sich beispielsweise Alizarin-Aluminium-Komplexe, die eine Blaufärbung der Metall-Dispersionsschicht (20B) ermöglichen. Alizarin-Aluminium- Komplexe erhält man durch Umsetzung von α-Hydroxyantrachinon/Alizarin mit Aluminiumsalzen. Alizarin-Aluminium-Komplexe sind in pulverisierter Form verfügbar und können dem galvanischen Bad (4), welches die metallische Komponente (z. B. Gold) enthält, in dieser Form beigemengt werden. Die Strukturformeln von α-Hydroxyantrachinon/Alizarin und des Alizarin-Aluminium-Komplexes sind wie folgt:As a coloring particle (20 B *) for example, are suitable alizarin-aluminum complexes which allow a blue coloration of the metal dispersion layer (20 B). Alizarin-aluminum complexes are obtained by reacting α-hydroxyanotrachinone / alizarin with aluminum salts. Alizarin-aluminum complexes are available in powdered form and can be added to the galvanic bath ( 4 ), which contains the metallic component (e.g. gold), in this form. The structural formulas of α-hydroxytrachinone / alizarin and the alizarin-aluminum complex are as follows:
In Fig. 3 ist ein Schnitt durch eine erfindungsgemäß aufgebaute Chipkarte (1) gezeigt. Das Chipmodul (2) ist über eine Klebeschicht (12) in einer Aussparung (11) des Kartenkörpers (10) fixiert. Das Chipmodul (2) besteht aus den metallischen Kontaktflächen (20), die mit den Anschlußpunkten des IC-Bausteins (22) über Bonddrähte (23) elektrisch leitend verbunden sind. Der IC-Baustein (22) und die Bonddrähte (23) sowie die Anschlußstellen der Bonddrähte (23) am IC-Baustein (22) und an den Kontaktflächen (20) sind zum Schutz vor mechanischen Belastungen, Oxidation und Feuchtigkeit mit einer Vergußmasse (24) umgeben. Der IC-Baustein ist in einer zentralen Aussparung des Kunststoff-Substrats (21) eingesetzt und mit einem Kleber auf einer massebezogenen Kontaktfläche fixiert. Zur Durchführung der Bonddrähte (23) zu den Kontaktflächen (20) weist das Kunststoff-Substrat (21) Kontaktzugangsöffnungen auf. Die metallischen Kontakte/Kontaktflächen (20), welche auf dem Kunststoff-Substrat (21) angeordnet sind, bestehen in dem hier gezeigten Beispiel aus einer zweischichtigen Basismetallisierung (20A) und der darauf galvanisch abgeschiedenen Metall- Dispersionsschicht (20B) mit darin dispergierten, farbgebenden Partikeln (20B*), welche symbolisch als Punkte angedeutet sind. Die Basismetallisierung (20A) besteht aus einer auf dem Kunststoff-Substrat (21) aufkaschierten oder geklebten Kupferfolie (20A1) und einer darauf galvanisch abgeschiedenen Nickelschicht (20A2).In Fig. 3 a section through an inventive structured chip card (1). The chip module ( 2 ) is fixed in a recess ( 11 ) in the card body ( 10 ) via an adhesive layer ( 12 ). The chip module ( 2 ) consists of the metallic contact surfaces ( 20 ) which are electrically conductively connected to the connection points of the IC component ( 22 ) via bond wires ( 23 ). The IC module ( 22 ) and the bonding wires ( 23 ) and the connection points of the bonding wires ( 23 ) on the IC module ( 22 ) and on the contact surfaces ( 20 ) are protected with a sealing compound ( 24. ) Against mechanical loads, oxidation and moisture ) surround. The IC module is inserted in a central recess in the plastic substrate ( 21 ) and fixed on an earth-related contact surface with an adhesive. The plastic substrate ( 21 ) has contact access openings for the passage of the bonding wires ( 23 ) to the contact surfaces ( 20 ). In the example shown here, the metallic contacts / contact surfaces ( 20 ), which are arranged on the plastic substrate ( 21 ), consist of a two-layer base metallization ( 20 A) and the metal dispersion layer ( 20 B) electroplated thereon with dispersed therein , coloring particles ( 20 B *), which are symbolically indicated as dots. The base metallization ( 20 A) consists of a copper foil ( 20 A1) laminated or glued on the plastic substrate ( 21 ) and an electrodeposited nickel layer ( 20 A2).
In einer nicht dargestellten Variante ist es vorgesehen, daß die Basismetallisierung dreischichtig aufgebaut ist, wobei auf der Nickelschicht noch eine weitere Schicht, vorzugsweise eine Edelmetallschicht aufgebracht ist.In a variant, not shown, it is provided that the base metallization is constructed in three layers, with another layer on the nickel layer, preferably a noble metal layer is applied.
Als farbgebende Partikel (20B*) können neben dem oben erwähnten Alizarin-Aluminium-
Komplex selbstverständlich je nach gewünschter Farbgebung auch andere Metall-
Komplexe verwendet werden. Darüber hinaus ist die Verwendung der folgenden
farbgebenden Partikel vorgesehen:
Metalloxide, wie Aluminiumoxid, Metallnitride, wie Titannitrid und Metallcarbide, wie
Titancarbid.In addition to the alizarin-aluminum complex mentioned above, other metal complexes can of course also be used as coloring particles ( 20 B *), depending on the desired coloring. In addition, the following coloring particles are intended to be used:
Metal oxides such as aluminum oxide, metal nitrides such as titanium nitride and metal carbides such as titanium carbide.
Die metallische Komponente der Dispersionsschicht (20B), in der die farbgebenden Partikel
(20B*) eingelagert ist, kann von verschiedenen Metallen oder Metallegierungen gebildet
sein:
z. B. Gold, Silber, Palladium, Rhodium oder Ruthenium.
The metallic component of the dispersion layer ( 20 B), in which the coloring particles ( 20 B *) are embedded, can be formed from different metals or metal alloys:
e.g. B. gold, silver, palladium, rhodium or ruthenium.
Die Leitfähigkeit der Metall-Dispersionsschicht (20B) ist vergleichbar mit der einer reinen Metallschicht, so daß bei der Kontaktierung der Karte mit externen Geräten keine Probleme auftreten.The conductivity of the metal dispersion layer ( 20 B) is comparable to that of a pure metal layer, so that no problems occur when contacting the card with external devices.
In Fig. 4 ist schematisch gezeigt, wie ein Kunststoff-Substratband (3), auf dem für eine Vielzahl von Chipmodulen (2) eine Basismetallisierung (20A) aufgebracht ist, ein galvanisches Bad (4), welches die metallische Komponente und die farbgebenden Partikel (20B*) für die Dispersionsschicht enthält, zur Aufbringung der Metall-Dispersionsschicht (20B) durchläuft.In Fig. 4 it is shown schematically how a plastic substrate tape ( 3 ), on which a base metallization ( 20 A) is applied for a large number of chip modules ( 2 ), a galvanic bath ( 4 ), which contains the metallic component and the coloring Contains particles ( 20 B *) for the dispersion layer, passes through to apply the metal dispersion layer ( 20 B).
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996125466 DE19625466C1 (en) | 1996-06-26 | 1996-06-26 | Chip card with visible contact areas of different colour from usual silver or gold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996125466 DE19625466C1 (en) | 1996-06-26 | 1996-06-26 | Chip card with visible contact areas of different colour from usual silver or gold |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19625466C1 true DE19625466C1 (en) | 1997-11-13 |
Family
ID=7798001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1996125466 Expired - Lifetime DE19625466C1 (en) | 1996-06-26 | 1996-06-26 | Chip card with visible contact areas of different colour from usual silver or gold |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19625466C1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004109591A1 (en) * | 2003-06-05 | 2004-12-16 | Infineon Technologies Ag | Chip card module |
US7219985B2 (en) | 1998-05-18 | 2007-05-22 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
WO2014064278A1 (en) * | 2012-10-26 | 2014-05-01 | Linxens Holding | Electric circuit, electronic module for a chip card formed on the electric circuit, and method for the production of such an electric circuit |
WO2014102461A1 (en) | 2012-12-31 | 2014-07-03 | Smart Packaging Solutions | Smart card with a security element divided between card body and module |
US11047060B2 (en) | 2017-11-28 | 2021-06-29 | Linxens Holding | Electric circuit, electronic module for a chip card formed on the electric circuit, and method for the production of such an electric circuit |
WO2021234229A1 (en) | 2020-05-20 | 2021-11-25 | Smart Packaging Solutions | Method for producing an electronic module for a smart card with security patterns |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4441052A1 (en) * | 1994-11-18 | 1996-05-23 | Orga Kartensysteme Gmbh | Carrier element for electronic module for insertion into e.g. smart card |
-
1996
- 1996-06-26 DE DE1996125466 patent/DE19625466C1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4441052A1 (en) * | 1994-11-18 | 1996-05-23 | Orga Kartensysteme Gmbh | Carrier element for electronic module for insertion into e.g. smart card |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7669969B2 (en) | 1998-05-18 | 2010-03-02 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7954934B2 (en) | 1998-05-18 | 2011-06-07 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7219985B2 (en) | 1998-05-18 | 2007-05-22 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7246882B2 (en) | 1998-05-18 | 2007-07-24 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7252375B2 (en) | 1998-05-18 | 2007-08-07 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7264334B2 (en) | 1998-05-18 | 2007-09-04 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7275810B2 (en) | 1998-05-18 | 2007-10-02 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7278708B2 (en) | 1998-05-18 | 2007-10-09 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7284847B2 (en) | 1998-05-18 | 2007-10-23 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7284850B2 (en) | 1998-05-18 | 2007-10-23 | Seiko Epson Corporation | Ink-jet printing apparatus and ink cartridge therefor |
US7337967B2 (en) | 2003-06-05 | 2008-03-04 | Infineon Technologies Ag | Chip card module |
DE10325564B4 (en) * | 2003-06-05 | 2008-12-18 | Infineon Technologies Ag | Smart card module |
WO2004109591A1 (en) * | 2003-06-05 | 2004-12-16 | Infineon Technologies Ag | Chip card module |
DE10325564A1 (en) * | 2003-06-05 | 2004-12-30 | Infineon Technologies Ag | Smart card module |
WO2014064278A1 (en) * | 2012-10-26 | 2014-05-01 | Linxens Holding | Electric circuit, electronic module for a chip card formed on the electric circuit, and method for the production of such an electric circuit |
FR2997550A1 (en) * | 2012-10-26 | 2014-05-02 | Linxens Holding | ELECTRIC CIRCUIT, ELECTRONIC MODULE FOR A CHIP CARD COMPRISING ON THIS ELECTRIC CIRCUIT, AND METHOD FOR PRODUCING SUCH ELECTRIC CIRCUIT. |
WO2014102461A1 (en) | 2012-12-31 | 2014-07-03 | Smart Packaging Solutions | Smart card with a security element divided between card body and module |
US9514403B2 (en) | 2012-12-31 | 2016-12-06 | Smart Packaging Solutions | Smart card with a security element divided between card body and module |
US11047060B2 (en) | 2017-11-28 | 2021-06-29 | Linxens Holding | Electric circuit, electronic module for a chip card formed on the electric circuit, and method for the production of such an electric circuit |
WO2021234229A1 (en) | 2020-05-20 | 2021-11-25 | Smart Packaging Solutions | Method for producing an electronic module for a smart card with security patterns |
FR3110734A1 (en) | 2020-05-20 | 2021-11-26 | Smart Packaging Solutions | Electronic module for smart card with security patterns |
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8327 | Change in the person/name/address of the patent owner |
Owner name: SAGEM ORGA GMBH, 33104 PADERBORN, DE |
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