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Dual-interface SD card

A dual-interface smart card, dual-interface technology, which is applied to record carriers used in machines, antenna supports/installation devices, instruments, etc., can solve the problems of bulky antennas, difficult installation and debugging, and achieve a mature application environment, easy to promote, The effect of enhancing the service life

Inactive Publication Date: 2010-10-06
BEIJING HUADA ZHIBAO ELECTRONICS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0012] In order to solve the existing non-contact smart card antenna bulky, difficult installation and debugging problems, the present invention provides a dual-interface SD card, through LTCC (Low Temperature Co-fired Ceramic, low temperature co-fired ceramics), lamination, film and coating, etc. The technology integrates the radio frequency antenna and encapsulates it in the existing SD card, realizing the embedding and miniaturization of the antenna

Method used

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Embodiment Construction

[0030] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] The embodiment of the present invention provides a dual-interface SD card solution. By adopting the latest micro-antenna technology - LTCC technology, the micro-antenna is integrated into the SD card, without modifying the existing non-contact smart card read / write equipment and In the case of a mobile phone, the non-contact short-range radio frequency communication of the mobile phone is realized. The technical solution of the present invention will be described below by taking the Micro SD card suitable for mobile phones as an example.

[0032] see figure 1 , the present embodiment provides a dual-interface Micro SD card, including a card substrate 100, a controller 101, a dual-interface smart card chip (Smart Card) 102, a FLASH memory 103 and a micro-antenna 104. The controller 101, the dual-interface smart card ch...

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Abstract

The invention discloses a dual-interface SD card and belongs to the technical fields of mobile communication equipment and mobile payment. The dual-interface SD card comprises a card substrate, a controller, an intelligent card chip, a storage, and a micro antenna, wherein the intelligent card chip and the storage are connected with the controller respectively; the intelligent card chip is connected with the micro antenna through a corresponding antenna pin; and the controller, the intelligent card chip, the storage, and the micro antenna are embedded in the card substrate. By integrating a radio frequency antenna through low temperature co-fired ceramic, lamination, thin film and film coating, and other technology, and by embedding the antenna into the conventional SD card, the embedding and miniaturization of the antenna are realized.

Description

technical field [0001] The invention relates to the technical field of mobile communication equipment and mobile payment, in particular to a dual-interface SD card. Background technique [0002] Up to now, my country has more than 700 million mobile phone users. At the same time, the mobile phone is no longer just a simple communication tool, it is increasingly becoming a multifunctional product that integrates many functions such as streaming media player, digital video camera, and electronic wallet. Among them, the mobile payment function, which is closely related to mobile phone users, is receiving more and more attention, and is considered to have a broad development space in the future. [0003] At present, my country's mobile payment is still in its infancy. The payment based on mobile phone wireless short-distance communication mainly includes several solutions such as NFC (Near Field Communication, short-distance wireless communication), RF-SIM and dual-interface SI...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/077H01Q1/22
Inventor 夏皓如广忠海华燕翔程晋格李德亮李良冯海川刘海剑
Owner BEIJING HUADA ZHIBAO ELECTRONICS SYST
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