JP2001126032A - Manufacturing method of ic card and ic card system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly reliable IC card system which can securely and easily identify the defect of an IC card by an IC card server and to provide the manufacturing method of the IC card, which is used in the system. SOLUTION: An IC card system has an IC card manufacture system 1 finishing an IC card 4 from three work processes, an IC card server 2 executing various checks, an IC card terminal 3 inputting information on the used IC card 4 and the IC card having memories A to C and a main memory, which execute writing and reading. The IC card 4 collates a memory storage content at every work process with the content of management information on the IC card manufacture system 1 at the time of manufacture, collates memory storage contents and certifies a password.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an IC card system, and more particularly, to a system including an IC card, an IC card terminal, and an IC card server.

[0002]

2. Description of the Related Art Conventionally, as a compact and slim portable recording medium, a magnetic card having a small storage capacity by a magnetic stripe has been used. The IC card has been used for various purposes instead of the magnetic card by having an intelligent function of performing information processing by mounting an IC chip having a built-in CPU and an IC memory. Since IC cards are used in various commercial transactions, it is required that the identification of defective products is reliable and high in reliability, and several techniques for identifying defective IC cards have been devised.

[0003] JP-A-2-190988 discloses an IC.
It describes a technique for identifying defective cards. FIGS. 10A and 10B show an external view of the IC card described in the official gazette and the contents stored in the ROM in the IC chip. As shown in FIG. 1A, an IC card 81 includes a magnetic stripe portion 82 in which a personal identification number and the like are magnetically stored, and an I-card having a computer function.
It has a C chip 83. The IC chip 83 has an EEPROM in which a control program, handling data, and the like are stored, a CPU that executes the control program, and a contact unit having several external connection terminals. As shown in FIG. 7B, in the EEPROM 84, the unique information 85 at the time of manufacture and the password 86 are stored in the fixed information area, and the transaction information 86 is stored in the variable information area. When the IC card 81 is used, the unique information 85 at the time of manufacture and the personal identification number 86 stored in the fixed information area are referred to, and the IC card server recognizes this information via the IC card terminal. Defective IC cards are identified.

[0004]

According to the technology described in the above publication, a serial number is assigned to each component of an IC card in advance and stored as unique information 85 at the time of manufacture.
This is used to identify defective C cards. But,
In order to complete an IC card, there are a plurality of operation steps such as an IC chip inspection step, a card manufacturing step, and a card issuance step. Therefore, the state of the circuit may change in the current step due to some cause. For example, the information given in the previous process may change in the middle of the process, and the information given may not match the information read, or if a defective card is diverted and the contents of a good card are copied and temporarily copied as a forged card There is a possibility that the IC card can be illegally used, and the reliability of the IC card is not sufficient.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art,
It is an object of the present invention to provide a reliable IC card system which can reliably and easily identify a defective IC card performed by a card server and a method of manufacturing an IC card used in the system.

[0006]

In order to achieve the above object, a method of manufacturing an IC card according to the present invention records management information including ID information on an IC card, and stores the management information recorded on the IC card in advance. A method of manufacturing an IC card used in an IC card system that determines the acceptability of an IC card by comparing the corresponding management information stored in an IC card server with a plurality of work steps until the IC card is completed. Each time a predetermined management information is recorded on an IC card or a component thereof, a non-defective product check is performed in accordance with the predetermined management information recorded in a previous work process for each subsequent work process.

In the method of manufacturing an IC card according to the present invention, a non-defective product is checked for each of a plurality of work steps until the IC card is completed, so that the IC card server can reliably identify a defective product of the IC card. It becomes difficult to use a good card and use it as a forged card.

In the method of manufacturing an IC card according to the present invention, the plurality of working steps may include an IC chip manufacturing IC chip.
The method may also include at least one of a chip manufacturing process, an IC chip inspection process for inspecting an IC chip to be mounted, a card manufacturing process for manufacturing a card, and a card issuing process for issuing a card.

In the method of manufacturing an IC card according to the present invention, it is preferable that the management information includes an availability flag set according to a result of the non-defective item check. In this case, I
The C card server can easily identify defective IC cards.

In a preferred embodiment of the present invention, if any one of the work processes sets the usability flag to be defective, the subsequent work process is omitted. In this case, the processing for the IC card identified as a defective product is reduced, and the processing for a good IC card can be concentrated.

An IC card system according to the present invention is an IC card system using an IC card manufactured by the above-described method for manufacturing an IC card according to the present invention, wherein management information recorded on the IC card for each of the work steps is provided. Is compared with the corresponding management information stored in the IC card server to determine the acceptability of the IC card.

According to the IC card system of the present invention, the reliability of the whole system is improved by using the IC card manufactured by the IC card manufacturing method of the present invention.

Further, in the IC card system according to the present invention, it is preferable that at least one of the management information is recorded in a ROM. In this case, since the contents cannot be rewritten for an unauthorized purpose after the IC chip is manufactured, the reliability of the entire system is further improved.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An IC card system using an IC card 4 according to a first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a system for manufacturing the IC card 4 according to the first embodiment of the present invention. The system for manufacturing an IC card has an IC card manufacturing system 1 for manufacturing an IC card 4 from three operation processes of an IC chip inspection process, a card manufacturing process, and a card issuing process.

The IC card manufacturing system 1 includes an IC inspection device 11 for inspecting an IC chip mounted on the IC card 4,
An IC card manufacturing apparatus 12 for manufacturing an IC card 4 from an inspected IC chip and other components, an IC card issuing apparatus 13 for writing information necessary for actual use to the manufactured IC card 4 and issuing an IC card , IC inspection equipment 11
A writing information generating device 14 for transmitting a management number including ID information to the IC card manufacturing device 12, a manufacturing information management system 15 for managing card manufacturing information, and an issuance information management system 16 for managing card issuing information. Is done. The IC card 4 has writable and readable memories A to C and a main memory.
The inspection number, the card manufacturing number in the memory B, the card issue number in the memory C, and business information in the main memory are stored.

FIG. 2 is a block diagram of a system in which the IC card 4 according to the first embodiment of the present invention is used. IC
The system in which the card 4 is used is an IC card server 2 that performs an authentication check to determine whether a password is correct, a non-defective check as to whether the password can be used, and an inquiry check in response to an inquiry from a user or the like. I
I to enter the management number and password from C card 4
It has a C card terminal 3. Next, an IC card defective item identification process performed by the IC card system will be described with reference to a flowchart.

FIG. 3 is a flowchart showing a process 1 performed by the IC inspection apparatus 11 in the IC chip inspection process. IC
The inspection device 11 inspects the operation of the IC and the write and read operations of the memories A to C and the main memory with respect to the IC chip mounted on the IC card 4 (step S1).
1), the inspection results are comprehensively determined (step S1)
2). If it is "PASS", the management number is received from the write information generator 14 (step S18), and this is written into the memory A as an IC inspection number for identifying an IC chip (step S19). Next, a PASS flag indicating an IC inspection result and an IC inspection number are set to set the IC
Inspection information is created (Step S20). Since the write information generating device 14 transmits a serial number managed for each work process as a management number, the same management number is not reassigned.

The test result of step S12 is "FAIL"
If it is, it is determined whether the memory A is writable (step S13). If "Yes", the process proceeds to step S18. If "No", it is determined whether the memory A is readable (step S14). . If “No”, a fixed number of all zeros is assigned as the IC inspection number (step S16), the process proceeds to step S17, and “Y”
If "es", the chip serial number of the memory A, which has been written in advance when the IC chip is manufactured, is assigned as the read IC inspection number, and the read data is transmitted to the write information generating device 14 so as not to be used as the management number (step S15). Next, in step S17, a FAIL flag is set in the IC inspection information, the process proceeds to step S20 (step S17), and it is determined whether or not the inspection has been completed for all the IC chips in the lot (step S21).
If “No”, the process returns to step S11, and “Ye
s ", the IC inspection information is transferred to the manufacturing information management system 15
(Step S22), and the process 1 ends.

FIG. 7 shows data indicating management information handled in each work process for completing an IC card. FIG. 2A shows the storage contents of the IC inspection information handled by the IC inspection apparatus 11 and is expressed in a CSV format so that it can be easily made into a database in lot units. In the illustrated IC inspection information, the first line is a data line indicating a lot number, and the second and subsequent lines are IC lines for each IC in the lot.
It is a data line of inspection information. In the data line, a flag indicating whether or not the current work process is non-defective is set as a first parameter, and a control number for each work process is set after the second parameter. In the determination flag of the first parameter, “P” indicating that the determination result is “PASS” is initially set, and if “FAIL” is determined in each operation process until the IC card is completed, FAI of “F”
The L flag is set, and subsequent work steps are omitted.

The stored contents of the IC inspection information are as follows. Two rows of data lines indicate non-defective products with IC inspection number K000001, and three rows of data lines indicate memory A with IC inspection number K000002.
Indicates a defective product in which data can be written, four rows of data lines indicate a defective product in which the memory A of the chip serial number F-J3875 cannot be written and can be read, and five rows of data lines indicate that the memory A in which the fixed number is 000000 is written and read. Unacceptable defective products are shown, and the 6 data lines are IC inspection number K000
003 indicates a non-defective product, 7 lines of data lines indicate non-defective products of IC inspection number K000004, and 8 lines of data lines indicate IC
Inspection number K000005 shows a non-defective product, and data line 9
The row indicates a non-defective product having the IC inspection number K000006.

FIG. 4 is a flowchart showing a process 2 performed by the IC card manufacturing apparatus 12 in the card manufacturing process. I
The C card manufacturing device 12 receives the IC inspection information from the manufacturing information management system 15 (step S31), and performs the operation of the card manufacturing process for the data lines 2, 6, 7, 8, and 9 rows of IC chips. Do. The management number is received from the write information generating device 14 (step S32), and the management number is written in the memory B as a card serial number for identifying the manufactured card (step S33), and the card serial number is added to the IC inspection information. Then, card manufacturing information is created (step S34). An IC card is manufactured by combining the IC chip determined to be non-defective and other components (step S35), and the contents stored in the memories A and B of the manufactured IC card 4 are read out and stored in the manufacturing information management system 15. The card manufacturing information is compared with the contents stored in the memory (step S36). The comparison result is (step S37)
If "FAIL", a FAIL flag is set in the card manufacturing information (step S38). If "PASS", it is determined whether or not manufacturing for all IC cards has been completed (step S39). The process returns to S32, and if "Yes", the card manufacturing information is transmitted to the manufacturing information management system 15 (step S40), and the process 2 ends. Upon completion of the card manufacturing process, the manufacturing information management system 15 transmits card manufacturing information to the issuance information management system 16.

FIG. 5 is a flowchart showing a process 3 performed by the IC card issuing device 13 in the card issuing process. I
The C card issuing device 13 receives the card manufacturing information from the issuance information management system 16 (step S51), and
The operation of the card issuance process is performed on the manufactured IC cards of data lines 2, 6, 8, and 9 shown in (b). I
The contents stored in the memories A and B of the C card 4 are read out (step S52), and the card manufacturing information received from the issuance information management system 16 is compared with the contents stored in the memory (step S53). The comparison result is (step S54)
If “FAIL”, the process proceeds to step S61,
If it is “PASS”, the serial number managed by the IC card issuing device 13 is written as a card issue number in the memory C (step S55), and the card issue number is added to the card manufacturing information to issue the card shown in FIG. Information is created (step S56). The contents stored in the memories A to C of the IC card 4 are read, and the card issuance information is compared with the contents stored in the memory (step S57). If the comparison result is "FAIL" (step S58), a FAIL flag is set in the card issuing information (step S60), and "P
If "ASS", the task information is written to the main memory (step S59).

When the IC card is used as a cash card, the business information is information such as an available amount at the time of issuance, and when the IC card is used as a patient card, it is information such as a chart number and a medical examination. . Thereafter, it is determined whether or not the issuance of all IC cards has been completed (step S6).
1) If “No”, the process returns to step S52,
If "Yes", the card issuance information is transmitted to the issuance information management system 16 (step S62), and the process 3 ends. When the card issuance process is completed, the issuance information management system 16 transmits the card issuance information to the IC card server 2.

The IC card server 2 determines from the stored contents of the received card issuance information that the data numbers 1, 4,
And, the data of 7 is selected so as to be easily processed, and a password and other information are added to the IC shown in FIG.
Create card information. The two data lines of the stored contents of the IC card information are stolen or lost by the user,
This shows a case where there is an inquiry check to prevent unauthorized use, and a non-defective IC card is disabled.

When the IC card 4 is inserted, the IC card terminal 3 reads out the memory storage contents read from the IC inspection number of the memory A, the card serial number of the memory B, and the card issue number of the memory C, and Is transmitted to the IC card server 2.

FIG. 6 is a flowchart showing a process 4 performed by the IC card server 2 when the IC card 4 is used. The IC card server 2 receives the contents stored in the memory and the password from the IC card terminal 3 (step S7).
1) Compare the received contents with the contents of the IC card information to perform a non-defective check on the contents stored in the memory and an authentication check on the password (step S7).
2). If the comparison result is "FAIL" (step S73), the determination flag in the IC card information is referred to (step S76). If "F", it is determined that the IC card 4 is a counterfeit card (step S78), and if "P", it is determined that the IC card 4 cannot be used (step S78). Is treated as a defective card (step S79). If the comparison result in step S73 is "PASS", an access permission command for the main memory is transmitted to the IC card terminal 3 (step S7).
4). When the IC card terminal 3 receives the access permission command, the IC card terminal 3 reads the business information in the main memory, and the actual service of the IC card is started. The IC card server 2 treats the IC card 4 as a normal card (step S75), and the process 4 ends.

According to the above-described embodiment, a non-defective item is checked for each of a plurality of work steps until the IC card is completed, so that the IC card server can reliably and easily identify a defective IC card, thereby improving reliability. And a method for manufacturing an IC card used in the system.

FIGS. 8 and 9 are flowcharts showing the IC card defective item identification processing of the second embodiment performed by the IC card system. The defect identification processing of the IC card of the present embodiment is different from the first embodiment in that the memory A for writing the chip serial number for identifying the IC chip is replaced with a read-only memory instead of a readable and writable memory. And different. FIG. 8 is a flowchart illustrating a process 5 performed by the IC chip manufacturing apparatus in the IC chip manufacturing process.
In the IC chip manufacturing process, an IC chip manufacturing apparatus (not shown) includes an IC having memories A to C and a main memory.
This is a step of manufacturing a chip. IC chip manufacturing equipment
When the IC chip is manufactured, the management number is received from the write information generating device 14, and is set as the chip manufacturing number for identifying the IC chip (step S91), and the chip manufacturing number is set by cutting the circuit of the memory A using the laser device. Writing is performed by hardware (step S92). IC manufacturing information is created based on the chip serial number (step S93), and it is determined whether or not the manufacturing for all the IC chips in the lot has been completed (step S94).
1 and if "Yes", IC manufacturing information is transmitted to the manufacturing information management system 15 (step S9).
5), Process 5 ends.

FIG. 9 is a flowchart showing a process 6 performed by the IC inspection apparatus 11 in the IC chip inspection process. IC
The inspection apparatus 11 receives the IC manufacturing information from the manufacturing information management system 15 (step S101), reads out the chip manufacturing number from the memory A of the IC chip, and compares the stored contents of the IC manufacturing information with the chip manufacturing number ( Step S
102). If the comparison result (step S103) is “FAI
If "L", the FAIL flag is written into the memory B (step S106), and the process proceeds to step S107.If the comparison result is "PASS", the IC chip is inspected (step S104), and the inspection result is "FAIL" If so, the process proceeds to step S106, and the inspection result is “PA”.
SS ", the inspection result is added to the IC manufacturing information to create IC inspection information (step S107). It is determined whether or not the inspection has been completed for all the IC chips in the lot (step S108). ", The process returns to step S102, and if" Yes, "IC inspection information is transmitted to the manufacturing information management system 15 (step S102).
109), and end the process 6.

In the subsequent card manufacturing process, a process for the IC card manufacturing apparatus 12 to determine whether or not the content stored in the memory B has a FAIL flag is added. The IC card system at the time of manufacturing and during use is added. The operation is the same as in the first embodiment.

According to the above-described embodiment, by writing the chip serial number in a hardware manner in the IC chip manufacturing process, it is not possible to rewrite the IC chip for the purpose of fraud after manufacturing, so that the IC chip manufacturing and the card manufacturing are not performed. Even when the operations are performed in different factories, the security of the highly reliable IC card system is maintained.

Although the present invention has been described based on the preferred embodiment, the IC card system of the present invention is not limited to the configuration of the above-described embodiment, but rather the configuration of the above-described embodiment. IC with various modifications and changes
Card systems are also within the scope of the present invention.

[0033]

As described above, in the IC card system of the present invention, it is possible to reliably and easily identify a defective IC card performed by the IC card server, and it is difficult to divert the defective card and use it as a forged card. In addition, the present invention can provide a highly reliable IC card system and a method for manufacturing an IC card used in the system.
The range of use of C cards is further expanded.

[Brief description of the drawings]

FIG. 1 is a block diagram of a system for manufacturing an IC card 4 according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a system that uses the IC card 4 according to the first embodiment of the present invention.

FIG. 3 is a process 1 performed by the IC inspection apparatus 11 in the IC inspection process.
It is a flowchart which shows.

FIG. 4 is a flowchart illustrating a process 2 performed by the IC card manufacturing apparatus 12 in the card manufacturing process.

FIG. 5 is a flowchart showing a process 3 performed by the IC card issuing device 13 in a card issuing step.

FIG. 6 shows an IC card server 2 when the IC card 4 is used.
9 is a flowchart showing a process 4 performed by the user.

FIG. 7 shows data indicating management information handled in each operation process for completing an IC card.

FIG. 8 is a flowchart illustrating a process 5 performed by the IC chip manufacturing apparatus in the IC chip manufacturing process.

FIG. 9 is a flowchart showing a process 6 performed by the IC inspection apparatus 11 in an IC chip manufacturing process.

FIG. 10 is an IC disclosed in Japanese Patent Application Laid-Open No. 2-190988.
FIG. 2 is an external view of a card and contents stored in a ROM in an IC chip.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 IC card manufacturing system 2 IC card server 3 IC card terminal 4, 81 IC card 11 IC inspection device 12 IC card manufacturing device 13 IC card issuing device 14 Write information generating device 15 Manufacturing information management system 16 Issue information management system 82 Magnetic stripe Part 83 IC chip 84 EEPROM 85 Unique information at the time of manufacture 86 PIN 87 Transaction information

Claims (6)

[Claims] 1. Management information including ID information is recorded on an IC card, and the management information recorded on the IC card is stored in an IC card in advance.
A method of manufacturing an IC card used in an IC card system for determining the quality of an IC card by collating with corresponding management information stored in a card server, the method comprising the steps of: To IC
The method according to claim 1, wherein predetermined management information is recorded on the card or its parts, and a non-defective item check is performed in accordance with the predetermined management information recorded in the previous operation step for each subsequent operation step.
Manufacturing method of C card. 2. The plurality of operation steps include an IC chip manufacturing step of manufacturing an IC chip, an IC chip inspection step of inspecting an IC chip to be mounted, a card manufacturing step of manufacturing a card, and a card issuing step of issuing a card. The method for manufacturing an IC card according to claim 1, comprising at least one of the steps. 3. The management information includes a usability flag set according to a result of the non-defective product check.
Or the method for manufacturing an IC card according to 2. 4. The IC card manufacturing method according to claim 3, wherein in any of the operation steps, when the use flag is set to be defective, the subsequent operation steps are omitted. 5. An IC card system using an IC card manufactured by the manufacturing method according to claim 1, wherein: management information recorded on the IC card for each of the work steps; An IC card system that determines the acceptability of an IC card by comparing the corresponding management information stored in an IC card server. 6. At least one of the management information is a ROM
6. The IC according to claim 5, wherein the IC is recorded in
Card system.