CN103514674A - Smart card reader - Google Patents

Smart card reader Download PDF

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Publication number
CN103514674A
CN103514674A CN201310232890.4A CN201310232890A CN103514674A CN 103514674 A CN103514674 A CN 103514674A CN 201310232890 A CN201310232890 A CN 201310232890A CN 103514674 A CN103514674 A CN 103514674A
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CN
China
Prior art keywords
fpc
intelligent card
card
bottom side
top side
Prior art date
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Granted
Application number
CN201310232890.4A
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Chinese (zh)
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CN103514674B (en
Inventor
A-C·罗莱
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Maxim Integrated Products Inc
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Maxim Integrated Products Inc
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Publication of CN103514674A publication Critical patent/CN103514674A/en
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Publication of CN103514674B publication Critical patent/CN103514674B/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0056—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers housing of the card connector
    • G06K7/0078—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers housing of the card connector reinforced housing for protection against damage, be it due malevolent action, such as drilling and other ways of forced entry, or by accident, such as shock due to dropping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers the connector comprising a circuit for steering the operations of the card connector
    • G06K7/0091—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers the connector comprising a circuit for steering the operations of the card connector the circuit comprising an arrangement for avoiding intrusions and unwanted access to data inside of the connector
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0873—Details of the card reader
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0873—Details of the card reader
    • G07F7/088—Details of the card reader the card reader being part of the point of sale [POS] terminal or electronic cash register [ECR] itself
    • 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
    • H05K1/0275—Security details, e.g. tampering prevention or detection
    • 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
    • H05K1/0277—Bendability or stretchability details
    • H05K1/028—Bending or folding regions of flexible 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09009—Substrate related
    • H05K2201/09063—Holes or slots in insulating substrate not used for electrical connections

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)
  • Cash Registers Or Receiving Machines (AREA)

Abstract

Various embodiments of the present invention generally relate to safe point-of-sale (POS) terminals, and especially relate to systems, devices and methods of using a single flexible printed circuit (FPC) to assembly the smart card reader that provides a card interface solution that is available, highly compatible and integrated for such safe POS terminals. An integrated circuit (IC) of the smart card interface is integrated into a card receiving device that is further assembled on the FPC. A module frame is fixed onto the top side and the bottom side of the FPC, wherein multiple side lugs of the top side and the bottom side surround the sides of the module frame. The top side and the bottom side are further folded like clamshells so as to package the clamp receiving device and are sealed in a manner of surrounding the sides. A card inserted via a card entrance hole at the FPC is processed by the IC of the smart card interface assembled in the card receiving device.

Description

Intelligent card reading
Technical field
The present invention relates generally to safe point of sale (POS) terminal, and relate in particular to system, equipment and the method for using single-piece flexible print wiring (FPC) to assemble intelligent card reading, this intelligent card reading provides ready-made, high compatible and integrated card interface scheme for this safe POS terminal.
Background technology
Financial transaction is carried out by face-to-face cash exchange, auto-teller (ATM) transaction at bank or counter or the Credit Card Payments that studies up device having via individual retailer conventionally.Although transaction has become the most traditional business method face-to-face since many centuries, during decades recently, ATM and credit card reader occur and take advantage as safe point of sale (POS) terminal device.These safe POS terminal devices are typically hardwired to telephone network or the Internet, and can read accounts information, and contact bank/credit card company also completes the credible transaction that relates to approved amount of currency.Now, these safe POS terminals have been widely used in banking industry, retailer and hospitality industry.
Do not consider POS terminal type, client must carry debit card or the credit card that is embedded with magnetic stripe.This magnetic stripe is for storing client's personal account information.When brushing magnetic stripe and magnetic stripe is inserted into the card interface of safe POS terminal, personal account information is extracted and is sent to the remote server that corresponding card issuer has from magnetic stripe.Afterwards, can conclude the business to complete monetary payoff or to transfer accounts according to card holder's request by authorizing secure.
In most of safe POS terminals, card holder's authentication is limited to card holder's personally identifiable information (PIN).For example, at PIN recording device (, keyboard), above with common format, input this PIN, this PIN is transferred to card interface with common format or with encryption format, and for carrying out off-line trading in safe POS terminal.Because card interface comprises, read the necessary fluting of card, so hacker can obtain the convenience of PIN is accessed by attacking card interface, and PIN code can directly be retrieved by hacker by common format.Therefore, the position of card interface in a contradiction: it has increased potential security threat to safe POS terminal, but for card access, physically opening is again essential.
Although card interface exists as security threat, payment card industry has been set up and has been upgraded payment card information PIN transaction security (PCI-PTS) standard, and it is clearly designed to manage the safety requirements of PIN recording device.PCI-PTS standard intention is strengthened the hardware security of accepting consumer PIN and holding the equipment of PIN key, comprises how PIN recording device is produced, controls, transports, stores and how to use in its whole life cycle.Yet most bank cards are passive cards cheaply, it can not process the PIN of encryption format.Although PCI-PTS standard has proposed to use the scheme of the PIN of encryption format, in order to keep the cost efficiency of bank card, do not expect this standard to be incorporated in each individual bank card.Therefore, in safe POS end side, need safe card interface scheme.
Existing safety card interface scheme relies on one group of PCB or flexible print wiring (FPC) forms local for being contained in the tamper-resistant enclosure of the intelligent card reading of POS terminal.This shell is at least protected the smart card receptacle (that is, connector) that is coupled to receive smart card, and can protect any other integrated circuit being included in intelligent card reading.Tamper-resistant enclosure can be assembled to cover cover 30(Figure 1A of part 60 in intelligent card reading), or be integrated into the pre-assembled subset part (Figure 1B) of smart card receptacle.
Card reader module based on PCB and the card reader module based on FPC all need complicated package program, comprise a plurality of steps and particular order.This restriction significantly damaged they separately with the compatibility of PCI-PTS standard.Therefore, need high compatible and easily scheme assemble safe and intelligent card reader.
Summary of the invention
A plurality of embodiment of the present invention relates generally to safe point of sale (POS) terminal, and relate in particular to system, equipment and the method for using single-piece flexible print wiring (FPC) to assemble intelligent card reading, this intelligent card reading provides ready-made, high compatible and integrated card interface scheme for this safe POS terminal.
A scheme of the present invention is a kind of method of using single-piece FPC assembling integrated intelligent card reader.FPC comprises top side, bottom side, enters hole clipping, a plurality of side lug and the suprabasil clamping receiver of single-piece region, and this substrate integrated a plurality of conductive layers that insulate by polymkeric substance and cohesive material.Intelligent card interface integrated circuit (IC) is assembled near clamping receiver.Framework is fixed on FPCShang top side and bottom side, and a plurality of side lug is around framework.FPC top side is folding to encapsulate described clamping receiver as clam shell with bottom side, and the limit of top side and bottom side is electrically coupled also mechanical seal to form intelligent card reading.In this intelligent card reading, by described, enter the card that hole clipping inserts and processed by the intelligent card interface IC in clamping receiver.
Therefore, the present invention relates to a kind of method based on single-piece flexible print wiring (FPC) assembling integrated intelligent card reader, comprised the following steps:
Manufacture single-piece FPC, described FPC comprises top side, bottom side, enters hole clipping, a plurality of side lug and the suprabasil clamping receiver of single-piece region, and wherein said substrate is further integrated with a plurality of conductive layers;
At least two module frames are attached on FPCShang top side and bottom side;
On described clamping receiver region, assembling is integrated with the clamping receiver of intelligent card interface integrated circuit (IC);
Make described a plurality of side lug around described at least two module frames, described in enter hole clipping aim at described at least two module frames to be preserved for inserting the openings of card; And
As clam shell, folding FPC top side and bottom side, to encapsulate described clamping receiver, make the limit of top side and bottom side sealed to form intelligent card reading, and are entered the card that hole clipping inserts and processed by the intelligent card interface IC in clamping receiver by described.
Advantageously, intelligent card reading meet payment card information Pin transaction security (PCI-PTS) standard and card Master Visa, Continental Europe (EMV) standard the two.
The preferred electric coupling of circuit in top side and bottom side is through at least one limit at sealing top side and place, bottom side.
Use a plurality of conductive layers transmission link further can be integrated in the single-piece substrate of FPC, intelligent card reading is electrically coupled to the primary processor that belongs to payment terminal.
A plurality of conductive layers are preferably by providing the polymkeric substance of mechanically flexible and robustness and cohesive material to insulate to FPC.
Preferably, the single-piece substrate of FPC is integrated uses at least one deck in a plurality of conductive layers and the anti-tamper grid network that forms, and this security grid computing network is electrically coupled to integrated circuit and attempts with tamper detection.
Described at least two module frames can be integrated into a structure with clamping receiver, and are assembled on single-piece FPC in a step.
A scheme of the present invention is a kind of intelligent card reading based on single-piece FPC.Intelligent card reading comprises intelligent card interface IC, clamping receiver and FPC.Intelligent card interface IC reads the smart card in credit/debit card.The clamping receiver that is coupled to intelligent card interface IC provides mechanical robustness to described intelligent card interface IC.FPC based on single-piece substrate is around at least one module frame to form the intelligent card reading of clam shell shape, and described intelligent card reading has encapsulated clamping receiver and reserved and entered hole clipping to allow the intelligent card interface IC in credit/debit card access card receptacle.
Safe transmission cable/link can be formed on the bases of FPC, intelligent card reading is coupled to other parts in safe POS terminal.
Advantageously, FPC further comprises:
Enter hole clipping, it is for inserting the opening of card in single-piece substrate;
By described, enter top side and the bottom side that hole clipping separates, each in top side and bottom side supported by least one module frame;
From top side and bottom side extended clamping receiver region, described clamping receiver is assembled in further on the folding clamping receiver region in top side and bottom side; And
A plurality of side lugs, it is arranged on the limit of single-piece substrate, and described a plurality of side lugs are around at least one module frame, and in top side with bottom side is folded fully seals described intelligent card reading when encapsulating described clamping receiver.
Described intelligent card reading can meet payment card information PIN transaction security (PCI-PTS) standard and card Master Visa, Continental Europe (EMV) standards of both.
Transmission link is preferably integrated in single-piece substrate, and extends into intelligent card reading is electrically coupled to the primary processor that belongs to payment terminal.
The single-piece substrate of FPC may further include by a plurality of conductive layers of polymkeric substance and cohesive material insulation.
The single-piece substrate of FPC is preferably integrated uses at least one deck in a plurality of conductive layers and the anti-tamper grid network that forms, and this security grid computing network is electrically coupled to intelligent card interface IC and attempts with tamper detection.
Described at least one module frame can be integrated into a structure with clamping receiver, and is assembled on single-piece FPC in a step.
A scheme of the present invention is for assembling the single-piece FPC of intelligent card reading.FPC further includes hole clipping, top side, bottom side, clamping receiver region and a plurality of side lug.Enter hole clipping and be in single-piece substrate for inserting the opening of card, and top side and bottom side enter hole clipping and separated by described, each in top side and bottom side supported by least one module frame.Extend from top side and bottom side in clamping receiver region, and described clamping receiver is assembled on described clamping receiver region.A plurality of side lugs are arranged on the limit of single-piece substrate, and seal around at least one module frame, make top side and bottom side folded when encapsulating described clamping receiver described in intelligent card reading sealed.By described, enter hole clipping and insert card with the intelligent card interface IC in access card receptacle.
At this, summarize part and special characteristic of the present invention and advantage have been carried out to main description; Yet, consider accompanying drawing of the present invention, instructions and claims, can herein, present supplementary features, advantage and embodiment or it will be apparent to those skilled in the art that.Therefore, it should be understood that scope of the present invention will not be subject to summarize at this restriction of disclosed specific embodiment in part.
Accompanying drawing explanation
To describe embodiments of the invention, illustrate in the accompanying drawings example of the present invention.These accompanying drawings are intended that illustrative, rather than restrictive.Although mainly described the present invention in the context of these embodiment, should be understood that, be not intended to limit the scope of the present invention to these specific embodiment.
Figure 1A and Figure 1B illustrate two existing tamper-resistant enclosure schemes for the intelligent card reading in safe POS terminal.
Fig. 2 illustrate according to the present invention in the block diagram of safe POS terminal of a plurality of embodiment.
Fig. 3 illustrates according to the block diagram of the intelligent card reading based on single-piece FPC structure of a plurality of embodiment of the present invention.
Fig. 4 A illustrates according to the exemplary stretch-out view of the single-piece FPC before card reader assembling process of a plurality of embodiment of the present invention.
Fig. 4 B illustrates according to the example cross section of the single-piece FPC of a plurality of embodiment of the present invention.
Fig. 5 A-5D illustrates according to the exemplary group process of assembling of the intelligent card reading based on single-piece FPC of a plurality of embodiment of the present invention.
Fig. 6 illustrates according to the exemplary process diagram of the assembling process of a plurality of embodiment of the present invention.
Embodiment
In the following description, for illustrative purposes, for being provided, the understanding of the present invention listed concrete details.Yet, it is evident that to those skilled in the art do not have these details also can put into practice the present invention.Those skilled in the art will recognize that, below described embodiments of the invention can be in many ways with use various structures to carry out.Those of skill in the art also will recognize, modification in addition, application and embodiment all within the scope of it, as are both the other field that the present invention can provide practicality.Therefore the embodiment, the following describes is to the explaination of the specific embodiment of the invention and is intended to avoid fuzzy the present invention.
To the meaning of quoting of " embodiment " or " embodiment ", be that special characteristic, structure, characteristic or the function of describing of being combined with this embodiment comprises at least one embodiment of the present invention in this manual.The phrase " in one embodiment " occurring in instructions many places, " in one embodiment " etc. must all not refer to same embodiment.
And, the connection that the connection in accompanying drawing between parts or between method step is not limited to directly be affected.But the connection between the parts that illustrate in accompanying drawing or between method step can be modified or change by it being increased to intermediate member or method step, but and without departing the teaching of the invention.
A plurality of embodiment of the present invention provides the scheme for the smart card reader interface of safe point of sale (POS) terminal, and relates in particular to system, equipment and the method for assembling intelligent card reading with single-piece FPC.Integrated anti-tamper net in the substrate that FPC is made by polymkeric substance and cohesive material at it.Safe and intelligent card interface IC, clamping receiver, module frame and electric connector by electricity and be mechanically assembled in substrate.Then FPC is folded to form intelligent card reading as clam shell.Assembling process is effectively and is easy to realize on cost.Once this intelligent card reading based on single-piece FPC is by standardization, it can be ready-made product, and this provides highly compatible and integrated card interface scheme for the safe POS terminal of using in financial transaction.
Fig. 2 illustrate according to the present invention in the block diagram 200 of safe POS terminal of a plurality of embodiment.This safe POS terminal 200 can be bank have for receiving the ATM of the financial transaction request relevant with bank account, or can be by retailer, used credit card or bank account are made to the intelligent card reading of the request of payment.Safe POS terminal 200 comprises primary processor 202 and the safety intelligent card reader module 204 that uses 206 couplings of safe transmission link.Primary processor 202 is coupled to receive the user's input from keyboard 208, and user's input comprises the amount of currency relating in the credible transaction of PIN, selection and transaction.
Safety intelligent card reader module 204 further comprises the intelligent card interface IC212 that implements offline user mandate.Once credit or debit card 214 is inserted to reader module 204 via entering hole clipping, intelligent card interface IC212 contacts with smart card 216 formation that are embedded in card 214.Primary processor 202 sends to intelligent card reading module 204 by the order of encryption format, and intelligent card reading module 204 was decrypted it before order is sent to smart card 214.The smart card being returned by smart card 214 was replied before it turns back to primary processor 202 and is encrypted by intelligent card reading 204.In a plurality of embodiment of the present invention, the communication between intelligent card reading module 204 and primary processor 202 can be by all or part of encryption, but those orders that comprise PIN code are preferably transmitted with encryption format.After this, primary processor 202 is communicated by letter with the distance host 218 of card issuer according to the accounts information extracting from smart card 214, and manages to implement Secure Transaction according to card holder's request.
This intelligent card reading module 204 based on PIN meets various safety and card management agreement, comprises PCI-PTS standard and card Master Visa, Continental Europe (EMV) standard.According to these agreements, intelligent card reading module 204 is authenticated to avoid to be replaced by another undelegated reader by primary processor 202, and allows account and Transaction Information to carry out secure communication.These reader features are only used as the POS terminal 200 of the main frame of intelligent card reading module 204 and learn and control.
Safety standard is associated with various cryptographic algorithm, such as data encryption standards (DES), triple des, Advanced Encryption Standard (AES) with require the secure hash algorithm (sha) of PIN input.These safety standards allow to carry out reliable authentication by 218 pairs of cards 214 of remote host system of POS terminal 200 and card issuer.Therefore, the intelligent card reading module 204 based on PIN is for deception with the unrivaled security that attempt provides the conventional authorization method based on card holder signature not provide is provided.
Fig. 3 illustrates according to the block diagram 300 of the intelligent card reading module 204 based on single-piece FPC structure of a plurality of embodiment of the present invention.Intelligent card reading module 204 picture clam shells, leave into hole clipping 302 with receiving card in one side.Module 204 comprises that top side and ，Zhe both sides, bottom side are made by the single-piece FPC around module frame 304.By module frame 304, provide physical strength.In module 204 inside, intelligent card interface IC212 and other circuit chip are arranged in clamping receiver 306, and clamping receiver 306 is assembled into again module 204 bottom side.When overturn towards bottom side in DangFPC top side, intelligent card reading module 204 can closed and sealing, thereby except via entering hole clipping 302, circuit chip is all not obtainable with any open contact.
Clamping receiver 306 not only provides the hard spot of installing for circuit chip, and by machinery be electrically coupled to single-piece FPC.In certain embodiments, clamping receiver 306 may further include hard PCB and makes intelligent card interface IC mounted thereto.This PCB based on hard substrate is the signal integrity for keeping in inside strengthening also.
In a plurality of embodiment of the present invention, the intelligent card reading module 204 based on this single-piece FPC has formed integrated card interface scheme.This single-piece FPC not only provides around ornamental the sealing with safety net of module 204 and has avoided distorting attempt with protection module 204, and integrated expediently transmission link 206 is to be coupled to primary processor 202 by intelligent card interface IC212.Module 204 is easy to assembling, economical on cost, highly reliable and compatible with above-mentioned safety and card administrative standard.And due to except being entering hole clipping 302 of inserting that card retains, the periphery of module 204 is all sealed, so resulting module has compact shape factor and can distort and maintain high-caliber security for physics.
Fig. 4 A illustrates according to the exemplary stretch-out view 400 of the single-piece FPC before card reader assembling process of a plurality of embodiment of the present invention, and Fig. 4 B illustrates the example cross section 450 according to the single-piece FPC of a plurality of embodiment of the present invention.Single-piece FPC400 is integrated 308, bottom side, top side 310, clamping receiver region 402, safe transmission link 206, suprabasil module side lug 404A-404D and a 406A-406E.It is evident that, when assembling, module side lug 404A-404D forms a part for the sidewall of card reader module 204, and module side lug 406A-406E is for fully sealing sidewall.Enter and between 308He bottom side, hole clipping 402 top side 310, cut and aim at corresponding side lug 406C and 406D.
Single-piece FPC400 is the conventional PCB of flexographic plate normally, and it comprises opening 454, aperture (via), reinforcement, pin and connector on flexible substrates 460, conductive layer, through hole, its end face or bottom surface.The flexible substrates 460 of FPC400 is made by multiple layer polymer and cohesive material substantially, and an exemplary polymkeric substance is polyimide.In substrate 460, be embedded with at least one conductive layer.If relate to more than one conductive layer, every alternating floor insulate by polymkeric substance and cohesive material.On conductive layer, limit circuit.Top and bottom conductive layer can be capped, or have the pad 454 of exposure, can add soldered ball 456 so that the lead in assembling process shifts (lead transfer) at pad 454 places.Through hole can be defined in substrate, and can be plated to provide the connection between conductive layer.Reinforcement can be for providing the mechanical hardness of regional area.Pin and connector can be assembled into FPC400, so that the compatibility interface to other circuit in primary processor 202, intelligent card interface IC212 or intelligent card reading module 204 to be provided.
In certain embodiments, the conductive layer in single-piece FPC400 forms based on utilizing the technology of electrically conductive ink P.e.c. on insulating material.This technology is paper printing and allows to obtain P.e.c. cheaply, and compares and can form low budget program with the FPC manufacture in Fig. 4 B.
Conductive layer, for defining the safety net that must cover the basal region exposing, comprises some in 308, bottom side, top side 310, side lug 404A-404D and 406A-406E.Safety net is electrically coupled to the intelligent card interface IC212 in intelligent card reading module 204.When hacker's attempt is attacked module 204 by safety net, card interface IC212 detects this attempt.After this, can send security command to send alerting signal, to wipe key and sensitive data, triggering interruption or reset primary processor 202, to protect POS terminal 200 for distorting attempt.
Conductive layer is also for defining the safe interface of the card interface IC212 in coupling primary processor 202 and card reader module 204.Card interface IC212 is included in the clamping receiver in the clamping receiver region 402 being electrically coupled on single-piece FPC400.Conductive layer below clamping receiver region 402 becomes a part for safe interface, collects from the signal of card interface IC212 and via safe transmission link 206, described signal is transferred to primary processor 202.Similarly, the signal from primary processor 202 (particularly PIN and key) is sent to the card interface IC212 being positioned on clamping receiver region 402 via transmission link 206.In one embodiment, connector is attached to another free end of safe transmission link 206, and another connector in this connector and primary processor side matches.In another embodiment, transmission link 206 is reinforced by lug at free end, and the connector that this lug can be inserted on main processor board is local.
Highly reliable FPC commercially can obtain to meet the various designing requirements in a plurality of application.The flexibility of PCB especially requires to be the application of three-dimensional configuration, thereby FPC has been widely used in medical science transplanting, defence, space flight and many other application.In the application of its intelligent card reading module 204, the FPC applying in single-piece allows the assembled configuration of self-closing and has been incorporated to safety net, and this is special expectation for high security purpose.And due to its practicality, single FPC400 becomes the ready-made scheme easily that can meet for the high safety requirements of safety intelligent card reader module 204.
By the coded communication via transmission link 206, it is the virtual protection that intelligent card reading module 204 has further been guaranteed sensitive data.Data communicate between safe and intelligent card interface IC204 and primary processor with encryption format, thereby during offline authentication, any PIN being received from keyboard 208 by primary processor 202 is transferred to card interface IC204 safely.Therefore, this intelligent card reading module 204 expediently with safety and card administrative standard (as PCI-PTS and EMV) compatibility, and the safe POS terminal based on card reader module 204 has automatically been inherited this of various safety standards has been observed.
Fig. 5 A-Fig. 5 D illustrates according to the exemplary group process of assembling of the intelligent card reading module based on single-piece FPC of a plurality of embodiment of the present invention.In Fig. 5 A, module frame 304 and clamping receiver 306 are assembled on single-piece FPC400.Intelligent card interface IC212 and other IC are installed in clamping receiver 306, and clamping receiver 306 provides I/O (I/O) interface with access intelligent card interface IC212.When clamping receiver 306 is assembled on clamping receiver region 402, the I/O interface coupling on clamping receiver 306 is to exposure pad 404, soldered ball 406, connecting pin or connector on receptacle region 402.As a result, intelligent card interface IC212 can further be coupled to primary processor 202 via the safe transmission link 206 of single-piece FPC400.
In this exemplary embodiment, module frame 304 comprises a plurality of separation members, comprises hole parts 502 and at least two structural members 504 and 506.In a plurality of embodiment of the present invention, frame unit is made by duroplasts or metal (as stainless steel and aluminium).Hole parts 502 are incorporated into hole clipping, and Dang Ci hole parts 502 are placed in Shi，Ci hole between 308He bottom side, top side 310 and must aim at and enter hole clipping 402 on FPC400.At least two structural members 504 and 506 are for 308He bottom side, support card module 204 top side 310 respectively, and the intelligent card reading module 204 limit that defined, these two structural member 504He506 limits.In one embodiment, said structure part 504 and 506 can c-shaped shape, and but it covers 310San Ge limit, 308He bottom side, top side does not comprise the solid surface that supports them.
In Fig. 5 B, side lug 404A-404D and 406A-406E are folded up with around module frame 304 limit.Side lug in frame installation in Fig. 5 A and Fig. 5 B is integrated around all concentrating on machinery, thereby this can be by obtaining with glue or mechanical clamp.In Fig. 5 C, the top side 308 of single-piece FPC400 is 310 folding towards bottom side, and before closed module, by the upset of clamping receiver between 308He bottom side, top side 310 and fold in module 204.Safe transmission link 206 is arranged to the outside of the card module 204 of having stayed as afterbody.
In 308He bottom side, Fig. 5 D Zhong，Dang top side, 310 when closed, uses three sidewalls of glue or mechanical clamp sealingly secure card module 204.In a preferred embodiment, use super glue to seal securely these sidewalls, make any hacker all can not open card module 204 with the safety net that is integrated in its substrate in the situation that do not damage single-piece FPC400.Enter hole clipping 402 and be positioned at the 4th sidewall to receive credit or debit card.
Only electric coupling or any one place's electric coupling in other three sidepiece 512-514 by entering the sidepiece 510 at hole clipping 302 places in a plurality of embodiment Zhong， top sides and bottom side.Electrical interconnection by sidepiece 510 can be integrated in the substrate of single-piece FPC automatically.Yet, by crossing wafer that the interconnection of sidepiece 512-516 relates to two independent FPC regions to wafer packaging, and structure 454 and 456 must be merged so that these interconnection.Once apply glue, those interconnection are just sealed to stop to distort attempt securely.
In another high integrated embodiment Zhong， hole parts 502 and structural member 504 and 506 are integrated into clamping receiver 306 as single parts.This clamping receiver 306 has not only been incorporated to intelligent card interface IC212 to read smart card 216, and directly seals oneself and form safe intelligent card reading module 204 with permission single-piece FPC as healthy and strong physical construction.No matter its requirements at the higher level in the design phase, thisly highly integratedly reduced the number of components relating in assembling, and greatly improved the cost efficiency in manufacture and assembling process.
Fig. 6 has summarized according to the exemplary process diagram 600 of the assembling process for the intelligent card reading module 204 based on single-piece FPC400 of a plurality of embodiment of the present invention.In step 602, manufacture single-piece FPC, and in its substrate integrated anti-tamper safety net.This single-piece FPC can compatibility interface (that is, exposing pad, connector and pin) be incorporated into the external host processor and the inner intelligent card interface IC that in the card reader module completing, comprise.In step 604, first intelligent card interface IC is assembled into clamping receiver, and clamping receiver is further installed to the suprabasil clamping receiver region of single-piece FPC.In step 606, module frame is attached on single-piece FPC.Can seal around the limit of module frame the side lug of FPC.In some highly integrated embodiment, module frame and clamping receiver be integrated turns to a structure.In step 608, clamping receiver is folded between single-piece FPC top side and bottom side, and top side and bottom side be reversed to form closed intelligent card reading module, only reserve into hole clipping for inserting card.In certain embodiments, before using glue or mechanical clamp sealing strip, the limit by intelligent card reading module forms electric coupling.In step 610, on the payment terminal plate that card reader module integration is positioned to primary processor.
Although the present invention is subject to the impact of a plurality of improvement and alternative form, its specific embodiment has been illustrated in the accompanying drawings and here have been described in detail.Yet, it should be understood that and the invention is not restricted to disclosed concrete form, but contrary, the present invention covers all improvement in the scope that drops on the claims of enclosing, is equal to and substitutes.

Claims (20)

1. based on single-piece flexible print wiring (FPC), assemble a method for integrated intelligent card reader, comprise the following steps:
Manufacture single-piece flexible print wiring, described single-piece flexible print wiring comprises top side, bottom side, enters hole clipping, a plurality of side lug and the suprabasil clamping receiver of single-piece region, and wherein said substrate is further integrated with a plurality of conductive layers;
At least two module frames are attached on described FPCShang top side and bottom side;
On described clamping receiver region, assembling is integrated with the clamping receiver of intelligent card interface integrated circuit (IC);
Make described a plurality of side lug around described at least two module frames, described in enter hole clipping aim at described at least two module frames to be preserved for inserting the openings of card; And
As clam shell, folding described FPC top side and bottom side, to encapsulate described clamping receiver, make the limit of top side and bottom side sealed to form intelligent card reading, and are entered the card that hole clipping inserts and processed by the intelligent card interface IC in clamping receiver by described.
2. method according to claim 1, wherein said intelligent card reading meet payment card information Pin transaction security (PCI-PTS) standard and card Master Visa, Continental Europe (EMV) standard the two.
3. method according to claim 1, is wherein electrically coupled in the circuit process described top side of sealing of top side and bottom side and at least one limit at place, bottom side.
4. method according to claim 1, is wherein used a plurality of conductive layers transmission link to be further integrated in the single-piece substrate of described FPC, intelligent card reading is electrically coupled to the primary processor that belongs to payment terminal.
5. method according to claim 1, wherein said a plurality of conductive layers are by providing the polymkeric substance of mechanically flexible and robustness and cohesive material to insulate to FPC.
6. method according to claim 5, the single-piece substrate of wherein said FPC is integrated uses at least one deck in a plurality of conductive layers and the anti-tamper grid network that forms, and this security grid computing network is electrically coupled to integrated circuit and attempts with tamper detection.
7. method according to claim 1, wherein said at least two module frames and clamping receiver are integrated into a structure, and are assembled into single-piece FPC in a step.
8. a safe and intelligent card reader, comprising:
Intelligent card interface integrated circuit (IC), it reads the smart card in credit/debit card;
Clamping receiver, it is coupled to intelligent card interface IC, and described clamping receiver provides mechanical robustness to described intelligent card interface IC;
Flexible print wiring based on single-piece substrate (FPC), described FPC is around at least one module frame to form the intelligent card reading of clam shell shape, and described intelligent card reading has encapsulated clamping receiver and reserved and entered hole clipping to allow the intelligent card interface IC in credit/debit card access card receptacle.
9. safe and intelligent card reader according to claim 8, wherein said FPC further comprises:
Enter hole clipping, it is for inserting the opening of card in single-piece substrate;
By described, enter top side and the bottom side that hole clipping separates, each in described top side and bottom side supported by described at least one module frame;
From described top side and bottom side extended clamping receiver region, clamping receiver is assembled in further on the folding clamping receiver region in described top side and bottom side; And
A plurality of side lugs, it is arranged on the limit of described single-piece substrate, and described a plurality of side lugs are around described at least one module frame, and in described top side with bottom side is folded fully seals described intelligent card reading when encapsulating described clamping receiver.
10. safe and intelligent card reader according to claim 8, wherein said intelligent card reading meets payment card information Pin transaction security (PCI-PTS) standard and card Master Visa, Continental Europe (EMV) standards of both.
11. safe and intelligent card readers according to claim 8, wherein transmission link is integrated in described single-piece substrate, and extends described intelligent card reading is electrically coupled to the primary processor that belongs to payment terminal.
12. safe and intelligent card readers according to claim 8, the single-piece substrate of wherein said FPC further comprises by a plurality of conductive layers of polymkeric substance and cohesive material insulation.
13. safe and intelligent card readers according to claim 12, the single-piece substrate of wherein said FPC is integrated uses at least one deck in described a plurality of conductive layer and the anti-tamper grid network that forms, and this security grid computing network is electrically coupled to intelligent card interface IC and attempts with tamper detection.
14. safe and intelligent card readers according to claim 8, wherein said at least one module frame and clamping receiver are integrated into a structure, and are assembled into single-piece FPC in a step.
15. 1 kinds comprise for assembling the flexible print wiring (FPC) of a single-piece substrate of intelligent card reading, comprising:
Enter hole clipping, it is for inserting the opening of card in described single-piece substrate;
By described, enter top side and the bottom side that hole clipping separates, each in described top side and bottom side supported by least one module frame;
From described top side and bottom side extended clamping receiver region, the clamping receiver of integrated smart card interface integrated circuit (IC) is assembled in further on the folding clamping receiver region in described top side and bottom side; And
A plurality of side lugs, it is arranged on the limit of described single-piece substrate, and described a plurality of side lugs are around described at least one module frame, and in described top side with bottom side is folded fully seals described intelligent card reading when encapsulating described clamping receiver; And
Wherein card enters hole clipping to access the intelligent card interface IC in described clamping receiver described in being inserted through.
16. FPC according to claim 15, wherein said intelligent card reading meets payment card information Pin transaction security (PCI-PTS) standard and card Master Visa, Continental Europe (EMV) standards of both.
17. FPC according to claim 15, the single-piece substrate of wherein said FPC further comprises by a plurality of conductive layers of polymkeric substance and cohesive material insulation.
18. FPC according to claim 17, the single-piece substrate of wherein said FPC is integrated uses at least one deck in described a plurality of conductive layer and the anti-tamper grid network that forms, and this security grid computing network is electrically coupled to intelligent card interface IC and attempts with tamper detection.
19. FPC according to claim 15, further comprise transmission link, and it extends intelligent card reading is electrically coupled to the primary processor that belongs to payment terminal.
20. FPC according to claim 15, wherein said at least one module frame and described clamping receiver are integrated into a structure, and are assembled into described single-piece FPC in a step.
CN201310232890.4A 2012-06-14 2013-06-13 Intelligent card reading Active CN103514674B (en)

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