CN203084761U - Micro memory card with antenna - Google Patents

Abstract

The utility model provides a micro memory card with an antenna, which includes a substrate, an input/output interface, at least one antenna, an antenna controller, a memory, a security chip and a control interface. The input/output interface is arranged on the substrate and has a plurality of electrical contacts. The antenna is arranged on the substrate; the antenna controller is arranged on the substrate and electrically connected to the antenna for amplifying and correcting the antenna. The memory is arranged on the substrate and connected to the antenna for storing data transmitted via the antenna. The security chip is arranged on the substrate and connected to the memory through the control interface for encrypting and decrypting data. The control interface is arranged on the substrate and connected to control the memory and the security chip. Through the security chip and the antenna controller, the utility model has the functions of enhancing the intensity of antenna reception and encryption and decryption.

Description

Micro memory card with antenna

technical field

The present invention relates to a storage device with an antenna, and in particular to a memory card with an amplifying antenna and encryption and decryption functions.

Background technique

Since digital cameras, mobile phones, PDAs and other products have become 3C electronic products that everyone carries with them, they have also driven the vigorous development of their peripheral devices. Among them, the technology of the memory card (memory card) that can provide the function of repeated reading and writing is changing with each passing day. The general memory card uses the golden finger area (ie, the exposed wire area) to connect with the electronic device to transfer files. In response to the development of cloud network and Near Field Communication (NFC), memory cards with antennas have been developed. Especially considering the current lifestyle that is highly dependent on smartphones, consumers are increasingly demanding convenience and multi-functions. Using mobile phones for financial transfers or transactions is a mobile payment solution (Mobile Payment) that companies in various countries are eager to promote. ).

Therefore, the memory card with antenna currently on the market is mainly composed of a storage unit, an information processing unit, a transmission unit and an input unit. The input unit is the wired connection interface of the memory card to the external electronic device, thereby inputting the data of the externally connected electronic device into the storage unit; and the transmission unit processes the data input by the external electronic device through the information processing unit, and wirelessly transmits the output To the outside of the memory card to achieve the function of wireless transmission.

There is another memory card in the prior art, which is composed of a memory card casing, a memory card body, a transfer terminal and a miniature radio frequency antenna, so that the functions of storage and radio frequency sensing can be simultaneously achieved.

Although the above two memory cards have the function of wireless transmission at the same time, the transmission unit and the micro-RF antenna are directly welded or encapsulated with epoxy resin on their respective memory cards, which is not only easy to have empty soldering and poor contact of the pins in the process In practice, the performance of the transmission rate and power consumption is not good. Therefore, generally, the memory card with an antenna must be equipped with a signal amplifier for wireless transmission, which increases the cost for the user.

Contents of the invention

The purpose of the utility model is to provide a micro memory card with an antenna, which enhances the receiving strength of the antenna and encrypts and decrypts the data transmitted by the antenna.

Therefore, an embodiment of an aspect of the present utility model provides a micro memory card with an antenna, which includes a substrate, an I/O interface, an antenna, an antenna controller, a memory, a security chip and a control interface . Wherein, the I/O interface is arranged on the substrate, and the I/O interface has a plurality of electrical contacts. The antenna is arranged on the substrate. The antenna controller is arranged on the substrate and is electrically connected to the antenna. The antenna controller is used for amplifying and calibrating the antenna. The memory is arranged on the substrate, and the memory is used to store data, and the memory is connected to the antenna to transmit data. The security chip is arranged on the substrate, and the security chip is connected to the memory through the control interface for encrypting and decrypting data. The control interface is arranged on the substrate, and the control interface is connected with the control memory and the security chip.

The new model uses an antenna controller and a security chip, so that the antenna controller can increase the transmission strength and stability of the antenna, and the data transmitted by the antenna must be encrypted and decrypted by the security chip.

According to an embodiment of the present invention, the substrate includes a circuit area and a finger button area, the circuit area has a first package thickness, and the first package thickness is 0.6 mm to 0.8 mm; the finger button area has a second package thickness , and the second package thickness is 0.9 mm to 1.1 mm; wherein the antenna has a third package thickness, and the third package thickness can be 0.12 mm to 1.092 mm. The thickness of the third package may further be 0.12 mm to 0.66 mm.

The number of the above-mentioned antennas can be two, one of which can adopt two-dimensional printed circuit layout (PCB Layout), the length of the antenna package can be 10mm to 11mm, and the width can be 3mm to 10mm, and the other antenna can adopt three-dimensional Chip on Board (COB), the package size of the antenna can be 11mm in length and 5mm in width. The two antennas can be located in the finger button area or the circuit area at the same time, or one of the antennas is located in the circuit area and the other antenna is located in the finger button area, or the two antennas are located in the circuit area and the finger button area at the same time. Among them, these two antennas can choose to work at 13.56MHz or 2.4GHz. And the two antennas can be selected as active array or passive array near field wireless communication (NFC) structure, and can also choose to use active array or passive array radio frequency identification (RFID), thus both It has the function of receiving and sending data wirelessly.

The micro memory card with antenna can be connected to an external electronic device through the input/output interface, and the external electronic device has a preset software for controlling the switch of the two antennas, and the external electronic device is a mobile phone.

Therefore, the utility model utilizes a control interface as the control terminal of the external electronic device, the memory and the security chip, and the utility model can have multiple antennas for selecting the applied frequency band, and the antenna controller can be used to increase the range of the antenna for transmitting and receiving. Strength and stability of sending and receiving data, combined with a security chip with encryption and decryption functions, makes data transmission more stable, fast and more secure.

Description of drawings

In order to make the above-mentioned and other purposes, features, advantages and embodiments of the present invention more obvious and understandable, the accompanying drawings are described as follows:

FIG. 1 is a diagram illustrating the internal structure of a micro memory card with an antenna according to an embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating a micro memory card with an antenna according to an embodiment of the present invention.

FIG. 3 is a schematic diagram illustrating a first antenna of a micro memory card with an antenna according to an embodiment of the present invention.

4 is a schematic diagram illustrating a second antenna of a micro memory card with an antenna according to an embodiment of the present invention.

FIG. 5 is a schematic side view of a micro memory card with an antenna according to an embodiment of the present invention.

FIG. 6 is a schematic diagram illustrating the use of a micro memory card with an antenna according to an embodiment of the present invention.

[Description of main component symbols]

100: substrate 110: circuit area

120: finger button area

200: I/O interface 210: Electrical contact

300: first antenna

400: second antenna

500: Antenna Controller

600: memory

700: security chip

800: control interface

900: External readout electronics D2: Second package thickness

D1: first package thickness

D3: The third package thickness

Detailed ways

Please refer to FIG. 1 and FIG. 2 , which illustrate the internal structure diagram and schematic diagram of a micro memory card with antenna according to an embodiment of the present invention. The micro memory card with antenna includes a substrate 100 , an I/O interface 200 , a first antenna 300 , a second antenna 400 , an antenna controller 500 , a memory 600 , a security chip 700 and a control interface 800 .

The substrate 100 is provided with an input/output interface 200 and electrically supports the second antenna 400 , the antenna controller 500 , the memory 600 , the security chip 700 and the control interface 800 .

The I/O interface 200 has a plurality of electrical contacts 210. The I/O interface 200 is the bare wire area of the memory card, which is used to electrically connect to an external reading electronic device.

Please refer to FIG. 3 and FIG. 4 at the same time, which are schematic diagrams of the above-mentioned first antenna and second antenna. The first antenna 300 is formed on the substrate 100 through the steps of exposure, development, etching, drilling, and electroplating by using printed circuit board wiring at the beginning of manufacturing the substrate 100, so as to reduce the occupied space inside the memory card. space, to achieve the purpose of miniaturizing the memory card.

The second antenna 400 adopts a chip-on-board packaging method, and is directly packaged on the substrate 100 through antenna adhesion, wire connection and glue sealing technology.

Moreover, both the above-mentioned first antenna 300 and the second antenna 400 are active array structures. Among them, the first antenna 300 and the second antenna 400 can choose to work at 13.56MHz or 2.4GHz, and the range of the used frequency band is determined according to the needs of users, thereby obtaining more applications in communication. However, this embodiment is not limited to the structure in which the first antenna 300 and the second antenna 400 are both active array structures. Both the first antenna 300 and the second antenna 400 can be selected as active array or passive array near-field wireless devices. Communication structure, and can also choose to adopt active array type or passive array type radio frequency identification, so as to have the functions of wirelessly receiving data and sending data.

The antenna controller 500 is disposed on the substrate 100 and electrically connected to the first antenna 300 and the second antenna 400 for controlling the first antenna 300 and the second antenna 400 . The antenna controller 500 has three functions. First, it can enhance the receiving strength of the first antenna 300 and the second antenna 400, thereby stabilizing data transmission; and correct the first antenna 300 and the second antenna 400, and automatically adjust the signal frequency to ensure output The frequency is not distorted; in addition, it has the function of anti-interference, so that the memory card can still work normally in the environment of interference.

The memory 600 is disposed on the substrate 100, and the memory 600 is used for storing data, and the data can be read and written repeatedly. The memory 600 is connected to the I/O interface 200, the first antenna 300 and the second antenna 400, and the data in the memory 600 and the data of an external connection device are interactively transmitted through the control interface, thereby achieving the functions of data storage and wireless transmission.

The security chip 700 is set on the substrate 100, and the security chip 700 encrypts and decrypts the data in the memory 600 and the data transmitted through the first antenna 300 and the second antenna 400, so that the memory card can not only store data, but also support mobile payment and personal identity The function of verification is to cooperate with the first antenna 300 and the second antenna 400 to carry out near-field wireless transmission with other electronic devices, so that the utility model can simultaneously achieve the functions of EasyCard, electronic wallet and chip credit card when applied to mobile phones.

The control interface 800 is disposed on the substrate 100, and the control interface 800 is connected to the control memory 600 and the security chip 700, and is mainly used as a communication interface between a device for reading a memory card (such as a mobile phone or a card reader), the memory 600, and the security chip 700.

Please refer to FIG. 5 , which is a schematic side view of a micro memory card with an antenna according to an embodiment of the present invention. The above substrate 100 includes a circuit area 110 and a finger button area 120, the circuit area 110 has a first package thickness D1, and the first package thickness D1 can be 0.6 mm to 0.8 mm; the finger button area 120 has a second package thickness D2, and the thickness of the second package D2 can be 0.9mm to 1.1mm; The package thickness D3, the third package thickness D3 can be 0.12mm to 1.092mm, the third package thickness D3 can further be 0.12mm to 0.66mm, where the length of the package size of the first antenna 300 in this embodiment is shown in FIG. 5 as 11mm and 10mm in width, however, the package size of the first antenna 300 can be 10mm to 11mm in length and 3mm to 10mm in width, and the package size of the second antenna 400 can be 11mm in length and 5mm in width.

Please refer to FIG. 6 , which is a schematic diagram illustrating the use of a micro memory card with an antenna according to an embodiment of the present invention. The utility model connects an external reading electronic device 900 through the input/output interface 200, and the external reading electronic device 900 has a preset software (not shown) to control the switch of the antenna, and the first antenna 300 is determined by the hardware Or the second antenna 400, after turning on the first antenna 300 or the second antenna 400, it can interact with other electronic devices for data transmission, and the transmitted data is verified and encrypted by the security chip 700, so it is not easy to keep confidential information Leaked.

As can be seen from the above-mentioned embodiments of the utility model, the application of the utility model has the following advantages:

1. The utility model adds a first antenna with a three-dimensional structure and a second antenna with a two-dimensional structure, so that the memory card has a multi-band wireless transmission function, which can be applied to more different wireless communication frequency bands, and overcomes the existing The packaging technology bottleneck achieves the goal of miniaturized memory cards. And the utility model has the effect of enhancing the sending and receiving signal compared with the micro memory card simply having a two-dimensional antenna or a three-dimensional antenna.

2. The antenna controller has multiple functions of calibration, amplification and anti-jamming, so that the new model can transmit data wirelessly in the disturbed environment, unlike the memory card structure of the existing technology, it also needs to be equipped with a signal amplifier to amplify the signal strength.

3. The security chip encrypts and decrypts the data transmitted through the first antenna and the second antenna, and completes the security verification of the transmitted data. With the above-mentioned first antenna and second antenna, antenna controller and security chip, the new model can complete high-safety and high-reliability financial transactions such as consumption, transfer and stored value through the Internet or NFC.

Although the utility model has been disclosed as above in the implementation manner, it is not intended to limit the utility model. Any person skilled in the art should be able to make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, this utility model The scope of protection of the utility model should be defined by the appended claims.

Claims (22)

1. the microstorage card of a tool antenna comprises:

One substrate;

One output/input interface is located on this substrate, and this output/input interface has a plurality of electric contacts;

One antenna, it is located on this substrate;

One antenna controller, it is located on this substrate and is electrically connected this antenna, and this antenna controller is in order to amplification and proofread and correct this antenna;

One storer, it is located on this substrate, and this storer is in order to storage data, and this storer connects this antenna to transmit this data;

One safety chip, it is located on this substrate, and this safety chip connects this storer in order to these data of encryption and decryption; And

One control interface, it is located on this substrate, and this control interface connects this storer of control and this safety chip.

2. the microstorage card of tool antenna as claimed in claim 1, wherein this substrate also comprises:

One circuit region, it has one first package thickness, and this first package thickness is 0.6mm to 0.8mm; And

One refers to the button district, and it has one second package thickness, and this second package thickness is 0.9mm to 1.1mm.

3. the microstorage card of tool antenna as claimed in claim 2, wherein this antenna has one the 3rd package thickness, and the 3rd package thickness is 0.12mm to 1.092mm.

4. the microstorage card of tool antenna as claimed in claim 3, wherein this antenna has a package dimension, and the length of this package dimension is 11mm, the wide 5mm of being.

5. the microstorage card of tool antenna as claimed in claim 3, wherein the 3rd package thickness of this antenna is 0.12 to 0.66mm.

6. the microstorage card of tool antenna as claimed in claim 2, wherein this antenna amount is two.

7. the microstorage card of tool antenna as claimed in claim 6, wherein one of this antenna has one first package dimension, the length of this first package dimension is 11mm, the wide 5mm of being, another this antenna has one second package dimension, and the length of this second package dimension is 10mm to 11mm, the wide 3mm to 10mm of being.

8. the microstorage card of tool antenna as claimed in claim 6, wherein one of this antenna adopts the printed circuit board wiring of two dimension, and another this antenna then adopts three-dimensional chip on board encapsulation.

9. the microstorage card of tool antenna as claimed in claim 6, wherein this two antenna is positioned at this circuit region.

10. the microstorage card of tool antenna as claimed in claim 6, wherein this two antenna is positioned at this and refers to button district.

11. the microstorage card of tool antenna as claimed in claim 6, wherein this two antenna is positioned at this circuit region and this simultaneously and refers to the button district, and perhaps one of this antenna is positioned at this circuit region and another this antenna is positioned at this and refers to the button district.

12. the microstorage card of tool antenna as claimed in claim 6, wherein this two antenna is the active array formula.

13. the microstorage card of tool antenna as claimed in claim 6, wherein one of this antenna works in 13.56MHz, and another this antenna works in 2.4GHz.

14. the microstorage card of tool antenna as claimed in claim 1, wherein this antenna works in 13.56MHz or 2.4GHz.

15. the microstorage card of tool antenna as claimed in claim 1, wherein this output/input interface connects an external electronic, and this external electronic has a default software to control this antenna.

16. as the microstorage card of the tool antenna of claim 15, wherein this external electronic is a mobile phone.

17. the microstorage card of tool antenna as claimed in claim 1, wherein this antenna adopts the near field communication of passive type.

18. the microstorage card of a tool antenna comprises:

One substrate;

One output/input interface is located on this substrate, and this output/input interface has a plurality of electric contacts;

Two antennas, it is located on this substrate;

One antenna controller, it is located on this substrate and electrically connects these antenna, and this antenna controller is in order to amplification and proofread and correct these antenna;

One storer, it is located on this substrate, and this storer is in order to storage data, and this storer system connects those antennas to transmit this data;

One safety chip, it is located on this substrate, and this safety chip connects this storer in order to these data of encryption and decryption; And

One control interface, it is located on this substrate, and this control interface connects this storer of control and this safety chip.

19. as the microstorage card of the tool antenna of claim 18, wherein these antenna works in 13.56MHz or 2.4GHz.

20. as the microstorage card of the tool antenna of claim 18, wherein this output/input interface connects an external electronic, this external electronic has a default software to control this antenna.

21. as the microstorage card of the tool antenna of claim 20, wherein this external electronic is a mobile phone.

22. as the microstorage card of the tool antenna of claim 18, wherein one of these antenna adopts the near field communication of passive type, another adopts the radio frequency identification of passive type.

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