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Double-interface smart card

A dual-interface smart card and dual-interface technology, applied in the information field, can solve the problems of low cost, high scrap rate, low stability and reliability, and achieve the effects of low cost, high reliability and yield

Inactive Publication Date: 2013-05-08
黄艳 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The purpose of the embodiments of the present invention is to provide a dual-interface smart card to solve the problems of low degree of automation and high scrap rate caused by the structure and material of the current dual-interface smart card, but low stability and reliability. A new dual-interface smart card, which can ensure high reliability and yield in the case of fully automated and mass production, and does not require expensive ultrasonic winding equipment, so this dual-interface Lower cost of interface smart cards

Method used

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] Such as Figures 2 to 4 As shown, Embodiment 1 of the present invention provides a dual-interface smart card, and the dual-interface smart card includes:

[0033] An antenna layer 301 with a metal antenna, said antenna layer 301 having two antenna pads 302;

[0034] The antenna produced by etching, electroplating and printing processes realizes that the outer ring antenna (on the front of the antenna base material) does not need to directly cross the inner ring through the bridge 304 formed on the back of the antenna base material to form two suitable Position the pads, such as figure 1 shown. Therefore, the surface of this antenna does not need to be coated with insulating paint, which is very suitable for soldering.

[0035] A dual-interface smart card base, the dual-interface smart card base is formed by laminating the antenna layer 301, the sur...

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Abstract

The invention discloses a double-interface smart card, which solves the problems of low stability and higher rejection rate of the conventional double-interface smart card. A metal thin antenna is formed by etching copper, etching aluminum and electroplating copper or conductive silver paste; by a soldering method, a metal antenna layer and a copper welding disk of a double-interface module are connected with each other, so the welding reliability and the product yield of the double-interface smart card can be improved greatly on the premise of full-automatic batch production; furthermore, the double-interface smart card does not need expensive ultrasonic coiling equipment, so the cost is lower.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a dual-interface smart card. Background technique [0002] At present, dual-interface smart cards generally include the following: [0003] Antenna layer, generally use ultrasonic waves to embed copper enameled wire on the antenna base material to form an antenna layer. There are also a small number of manufacturers that glue the enameled wire coil wound by the machine to the antenna base material by bonding to form an antenna layer. See figure 1 . [0004] Because the two ends of the antenna must have a suitable relative position to accommodate the two pads of the dual interface module, so one end of the antenna will cross the inner ring from the outer ring to a suitable position 303 from the other end of the antenna, and this structure is easy to cause Short circuit, therefore, the wound antenna must use enameled wire to avoid short circuit of the antenna circuit, such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K19/077
Inventor 黄艳姚馨
Owner 黄艳
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