JP2012038005A - Semiconductor device, electronic device, quality information providing system, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique for efficiently obtaining quality information of a semiconductor device.SOLUTION: A semiconductor device 10 comprises: an identification information storage part for holding identification information for discriminating the device from other semiconductor devices; a first storage part for storing first information for acquiring quality information from a server 30 which holds the quality information of the semiconductor device; and a communication part for communicating with an electronic device 20 and transmitting information stored in the semiconductor device 10 to the electronic device 20.

Description

  The present invention relates to a semiconductor device, an electronic device, a quality information providing system, and a program.

  As a means for the customer who purchased the semiconductor device to know the quality information of the semiconductor device, (1) contact the manufacturer of the semiconductor device that manages the quality information using means such as telephone and e-mail, and request (2) Asking the semiconductor device manufacturer directly to disclose the desired information, such as sending a report containing the information on paper or electronic media, etc. Is common.

  The quality information includes the product name of the semiconductor device, lot number, equipment model / unit number used, work date / time, worker name, manufacturing conditions, position in wafer, yield, transistor electrical characteristics data, film thickness monitor data, Including defect inspection data.

  Here, Patent Document 1 describes a system for managing quality information relating to a product such as a reticle. In this system, a manufacturing company draws or marks information necessary for accessing a database holding quality information in a partial area of a product such as a reticle. The user who purchased the product reads this information using a microscope or the like, and then executes a predetermined operation to convert this information into an authentication code for logging in to a database holding quality information. Then, by inputting an authentication code on a predetermined Web page, the desired quality information is acquired after logging in to a database holding quality information.

JP 2003-37037 A

  The technique described in Patent Document 1 has the following problems.

  (1) When the predetermined information is drawn or stamped on the product as in the technique described in Patent Document 1, there is a possibility that the information cannot be read due to wear of the part. In addition, when the product is small, the space for drawing such information becomes small, resulting in a limited amount of information that can be drawn, and the fact that the drawn information is small, making identification difficult. Arise. In fact, in the technique described in Patent Document 1, a tool such as a microscope must be used to read information drawn on a product, which is very laborious.

  (2) In the case of the technique described in Patent Document 1, a user who wants to acquire quality information reads predetermined information drawn on a product, performs predetermined conversion processing on the information, and converts the information. It is necessary to perform an operation such as inputting from a predetermined Web page, which is very troublesome.

  Here, in the above description, the problem when the purchaser who purchased the semiconductor device acquires the quality information has been described. However, the manufacturing company that manufactured the semiconductor device has the quality information of the semiconductor device managed by itself. Similar problems may occur when searching for and obtaining desired quality information from the inside.

  According to the present invention, there is provided a semiconductor device for obtaining the quality information from an identification information storage unit that holds identification information for distinguishing from other semiconductor devices, and a server that holds the quality information of the semiconductor device. A semiconductor device is provided that includes a first storage unit that stores first information and a communication unit that communicates with an external device and transmits information stored in the semiconductor device to the external device.

  Further, according to the present invention, the identification information acquisition unit that communicates with the semiconductor device and acquires the identification information from the identification information storage unit, and the communication unit communicates with the semiconductor device and transmits the first information from the first storage unit. A request information requesting access permission to the server including the first information, and a request information requesting access permission to the server including the first information, and the request information An access request unit that receives a reply to the access control device, and when the access request unit receives information indicating permission to access the server, the server accesses the server and acquires the quality information of the semiconductor device. An electronic device is provided that includes an information acquisition unit and an output unit that outputs the quality information acquired by the quality information acquisition unit.

  According to the present invention, when the request information is received from the electronic device, a server that holds quality information of the semiconductor device, and the electronic device, authentication is performed using the first information included in the request information. An access control device that returns information indicating access permission to the server or information indicating access disapproval to the electronic device after performing processing, and controls the electronic device according to the reply content; A quality information providing system is provided.

  According to the present invention, there is provided a program for acquiring the quality information from a server holding quality information of the semiconductor device, wherein the first acquisition acquires the identification information and the first information from the semiconductor device. And request information requesting permission to access the server including the first information is transmitted to an access control device that controls access to the server, and a reply to the request information is received from the access control device. An access requesting step, a quality information obtaining step of accessing the server and obtaining the quality information of the semiconductor device upon receiving information indicating access permission to the server in the access requesting step, and the quality information obtaining A first output step for outputting the quality information acquired in the step; Program for causing is provided.

  According to the present invention, a user who desires acquisition of quality information of the semiconductor device of the present invention is placed in a state in which the semiconductor device can communicate with the electronic device of the present invention as an operation for realizing the acquisition of quality information. It is only necessary to do (such as placing it at a predetermined position), and other troublesome operations such as reading identification information stamped on a semiconductor device or converting identification information read using a predetermined device into other information Do not need to perform a cumbersome operation such as input to a computer. According to the present invention, a very user-friendly system can be realized.

  According to the present invention, it is possible to efficiently obtain quality information of a semiconductor device.

It is a figure which shows an example of a structure of the quality information provision system of this embodiment. It is an example of the functional block diagram of the semiconductor device of this embodiment. It is an example of the functional block diagram of the electronic device of this embodiment. It is an example of the functional block diagram of the electronic device of this embodiment. It is an example of the functional block diagram of the access control apparatus of this embodiment. It is a sequence diagram which shows an example of the flow of a process of the quality information provision system of this embodiment. It is a sequence diagram which shows an example of the flow of a process of the quality information provision system of this embodiment. It is a sequence diagram which shows an example of the flow of a process of the quality information provision system of this embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  In addition, each part which comprises the semiconductor device of this embodiment, an electronic device, a server, an access control part, and a decoding information holding | maintenance part is CPU of a arbitrary computer, memory, the program loaded into memory (from the stage which ships an apparatus beforehand) In addition to programs stored in memory, it also includes programs downloaded from storage media such as CDs and servers on the Internet, etc.), storage units such as hard disks that store the programs, and network connection interfaces. It is realized by any combination of software and software. It will be understood by those skilled in the art that there are various modifications to the implementation method and equipment.

  Also, the functional block diagram used in the description of the present embodiment shows functional unit blocks, not hardware unit configurations. In these drawings, the semiconductor device and the electronic device of the present embodiment are described as being realized by a single device, but the realization means is not limited to this. That is, it may be a physically separated configuration or a logically separated configuration.

  First, an outline of the quality information providing system of this embodiment will be described with reference to FIG.

  As shown in FIG. 1, a semiconductor device manufacturer (hereinafter sometimes simply referred to as “manufacturer”) manages a server 30 and an access control device 40. Note that the manufacturer may further manage the decryption information holding device 50.

  A semiconductor device purchaser who purchases a semiconductor device 10 manufactured by a manufacturing company (hereinafter may be simply referred to as a “purchaser”) manages the purchased semiconductor device 10 and electronic device 20.

  The server 30 stores quality information of the semiconductor device 10 manufactured by the manufacturing company. Quality information includes the product name, lot number, equipment model / unit number, work date, worker name, manufacturing conditions, position in wafer, yield, transistor electrical characteristics data, film thickness monitor data, and defect inspection. Any one or more of the data may be included. The quality information may further include other information. Such a server 30 is connected to a network (eg, Internet, LAN, etc .: the same applies hereinafter).

  The access control device 40 controls access to the server 30.

  The semiconductor device 10 stores identification information for distinguishing from other semiconductor devices 10 and first information for obtaining quality information from the server 30. The semiconductor device 10 is configured to be able to communicate with the electronic device 20. Note that the first information may be stored in the semiconductor device 10 in an encrypted state.

  The electronic device 20 communicates with the semiconductor device 10 and acquires identification information and first information stored in the semiconductor device 10. The electronic device 20 communicates with the access control device 40 via the network, and receives access permission to the server 30 from the access control device 40 using the first information acquired from the semiconductor device 10. Note that identification information may be used in the process for obtaining access permission. Then, after receiving access permission from the access control device 40, the electronic device 20 accesses the server 30, acquires desired quality information, and then outputs the acquired quality information using an output device such as a display.

  If the first information is encrypted, the electronic device 20 decrypts the first information, and then uses the decrypted first information to access the server from the access control device 40 as described above. Get access to 30. For example, the electronic device 20 communicates with the decryption information holding device 50 via a network, and uses the identification information acquired from the semiconductor device 10 to obtain the decryption information for decrypting the first information from the decryption information holding device 50. get. Then, the first information is decoded using the acquired decoding information.

  Here, although not shown in FIG. 1, the manufacturing company may further manage the electronic device 20. In such a case, the electronic device 20 may communicate with the server 30, the access control device 40, and the decryption information holding device 50 via the network and execute the above-described processing.

  Hereinafter, each component will be described in detail.

<Semiconductor device 10>
First, the configuration of the semiconductor device 10 of this embodiment will be described. FIG. 2 is a functional block diagram showing an example of the configuration of the semiconductor device 10 of the present embodiment. As illustrated in FIG. 2, the semiconductor device 10 according to the present embodiment includes an identification information storage unit 11, a first storage unit 12, and a communication unit 13. Furthermore, you may have the 2nd memory | storage part 14. FIG.

  The identification information storage unit 11 holds identification information for identifying other semiconductor devices. The configuration of the identification information is not particularly limited, and may be a combination of letters, numbers, symbols, and the like. Note that the identification information here may be information given to each semiconductor device 10 separately, or may be information given to each predetermined group. For example, it may be information given for each lot or information given for each wafer.

  The first storage unit 12 stores first information for acquiring quality information from the server 30 that holds the quality information of the semiconductor device 10. The quality information is information related to the semiconductor device 10 and corresponds to any information that can be acquired by the manufacturing company that manufactured the semiconductor device 10. For example, the quality information includes the product name and lot number of the semiconductor device 10, the equipment model / number used for manufacturing the semiconductor device 10, the work date and time of each process for manufacturing and inspecting the semiconductor device 10, and the worker Any one or more of a name, manufacturing conditions, information for identifying the wafer, position in the wafer, information on yield, transistor electrical characteristic data, film thickness monitor data, and defect inspection data may be included. The quality information may further include other information.

  The first information is information for receiving an authentication process by the access control device 40. This authentication process is an essential process for accessing the server 30. The first information may include, for example, information (such as an IP address) for identifying the access control device 40 existing on the network. Further, the first information may include information used for authentication processing by the access control device 40, for example, identification information and a password of the semiconductor device 10. The identification information here may be information given to each semiconductor device 10 separately, or may be information given to each predetermined group. For example, it may be information given for each lot or information given for each wafer. Note that the identification information stored in the identification information storage unit 11 can be used as the identification information of the semiconductor device 10 used for receiving the authentication process by the access control device 40. In such a case, the identification information of the semiconductor device 10 may not be included in the first information.

  The first information as described above may be stored in the first storage unit 12 in an encrypted state. The encryption means is not particularly limited, and any conventional technique can be used. Each of the first information held in each of the plurality of semiconductor devices 10 may be encrypted using the same key, or may be encrypted using different keys.

  The second storage unit 14 stores second information that is part of quality information in the quality information held by the server 30. That is, for example, the quality information includes the product name and lot number of the semiconductor device 10, the equipment model / number used to manufacture the semiconductor device 10, the work date and time of each process for manufacturing and inspecting the semiconductor device 10, and the worker In the case of including a name, manufacturing conditions, information for identifying a cut wafer, position in the wafer, information on yield, transistor electrical characteristic data, film thickness monitor data, and defect inspection data, the second information is, for example, a semiconductor The product 10 may include a product name, a lot number, and a used equipment model / number used to manufacture the semiconductor device 10. What quality information is the second information is a design matter. Also, how much quality information is used as the second information is also a design matter.

  The second information as described above may be stored in the second storage unit 14 in an encrypted state. The encryption means is not particularly limited, and any conventional technique can be used. Each of the second information held in each of the plurality of semiconductor devices 10 may be encrypted using the same key, or may be encrypted using different keys.

  Here, the memory constituting the identification information storage unit 11, the first storage unit 12, and the second storage unit 14 is not particularly limited, but may be a mask ROM (Read Only Memory) that cannot be rewritten, or Further, a rewritable EEPROM (Electrically Erasable Programmable Read Only Memory) or FRAM (Ferroelectric Random Access Memory) may be used. For example, the identification information storage unit 11, the first storage unit 12, and the second storage unit 14 may be configured by a nonvolatile memory of a flash microcomputer, and the above-described information may be written by an LSI tester. The identification information storage unit 11, the first storage unit 12, and the second storage unit 14 need not be provided so that the communication unit 13 described below can identify each of them. That is, information held by the identification information storage unit 11, the first storage unit 12, and the second storage unit 14 may be stored in one storage unit that can be identified by the communication unit 13.

  The communication unit 13 communicates with an external device (for example, electronic device 20: see FIG. 1), and stores information (identification information, first information, and second information) stored in the semiconductor device 10 as an external device (for example, an electronic device). 20: See FIG. 1). The communication means by the communication unit 13 is not particularly limited, but is preferably short-range wireless communication using radio waves or light.

  The semiconductor device according to the present embodiment includes a circuit that realizes a desired process and a circuit that realizes the configurations of the identification information storage unit 11, the first storage unit 12, the communication unit 13, and the second storage unit 14 as described above. And comprising. These two circuits may be formed on the same chip or may be formed on separate chips. If these two circuits are formed on separate chips, these two circuits may be packaged when packaging the chip.

<Electronic device 20>
Next, the configuration of the electronic device 20 of the present embodiment will be described.

  First, a configuration example of the electronic device 20 when the first information (and the second information) stored in the semiconductor device 10 is not encrypted will be described. FIG. 3 is a functional block diagram illustrating an example of the configuration of the electronic device 20 according to the present embodiment. As shown in FIG. 3, the electronic device 20 of the present embodiment includes an identification information acquisition unit 21, a first information acquisition unit 22, an access request unit 23, a quality information acquisition unit 24, and an output unit 25. Have. Furthermore, you may have the 2nd information acquisition part 26. FIG.

  The electronic device 20 includes a so-called “reader” for realizing short-distance wireless communication using radio waves or light. The reader included in the electronic device 20 can communicate with the communication unit 13 of the semiconductor device 10. Such a reader configuration can be realized using conventional techniques.

  The identification information acquisition unit 21 communicates with the semiconductor device 10 and acquires identification information from the identification information storage unit 11 of the semiconductor device 10. Communication with the semiconductor device 10 is realized by a reader.

  The first information acquisition unit 22 communicates with the semiconductor device 10 and acquires first information from the first storage unit 12 of the semiconductor device 10. Communication with the semiconductor device 10 is realized by a reader.

  The second information acquisition unit 26 communicates with the semiconductor device 10 having the second storage unit 14 and acquires the second information from the second storage unit 14. Communication with the semiconductor device 10 is realized by a reader.

  In addition, as a specific example in which the identification information acquisition unit 21, the first information acquisition unit 22, and the second information acquisition unit 26 acquire each information, the following can be considered. For example, the electronic device 20 communicates with the communication unit 13 of the semiconductor device 10 via a reader, and the information held by the identification information storage unit 11, the first storage unit 12, and the second storage unit 14 of the semiconductor device 10. get. Thereafter, the identification information acquisition unit 21, the first information acquisition unit 22, and the second information acquisition unit 26 acquire predetermined information from the information acquired via the reader.

  The access request unit 23 transmits request information requesting permission for access to the server 30 to the access control device 40 that controls access to the server 30 via the network. Then, the access request unit 23 receives a reply to the request information from the access control device 40.

  The request information includes information indicating that access permission is requested and first information. The first information included in the request information includes, for example, identification information of the semiconductor device 10 and a password. When the identification information of the semiconductor device 10 is not included in the first information, the identification information acquired by the identification information acquisition unit 21 may be included in the request information. For example, the access request unit 23 implements communication with the access control device 40 by using “information for identifying the access control device 40 existing on the network (IP address, etc.)” included in the first information. To do. When the first information does not include “information for identifying the access control device 40 existing on the network (IP address or the like)”, the first information may be acquired by receiving the input of the information from the user. Good.

  When the access request unit 23 transmits the request information to the access control device 40, the access control device 40 performs a predetermined authentication process using the request information, and then transmits the result of the authentication process to the electronic device 20. Then, the access request unit 23 receives this result as a reply to the request information. The reply to the request information includes information indicating that access is permitted or information indicating that access is not permitted. When information indicating that access is permitted is included, information (such as an IP address) for identifying the server 30 existing on the network may be further included. Since the configuration of the access control device 40 will be described below, description thereof is omitted here.

  When the access request unit 23 receives information indicating permission to access the server 30, the quality information acquisition unit 24 accesses the server 30 via the network and acquires the desired quality information of the semiconductor device 10. For example, the quality information acquisition unit 24 uses the identification information acquired by the identification information acquisition unit 21 to acquire the quality information held in the server 30 in association with the identification information.

  The output unit 25 outputs the quality information acquired by the quality information acquisition unit 24. The output unit 25 outputs the second information acquired by the second information acquisition unit 26. The output means is not particularly limited, and can be realized using any output device such as a display, a printing device, and a speaker.

  Next, a configuration example of the electronic device 20 in the case where the first information (and second information) stored in the semiconductor device 10 is encrypted will be described. FIG. 4 is a functional block diagram illustrating an example of the configuration of the electronic device 20 according to the present embodiment. As shown in FIG. 3, the electronic device 20 of the present embodiment includes an identification information acquisition unit 21, a first information acquisition unit 22, an access request unit 23, a quality information acquisition unit 24, an output unit 25, 1 decoding unit 27. Furthermore, you may have the 2nd information acquisition part 26 and the 2nd decoding part 28. FIG. Moreover, it may have the decoding information acquisition part 29 instead of or in addition to the second information acquisition part 26 and the second decoding part 28. Hereinafter, the configuration of the first decoding unit 27, the second decoding unit 28, and the decoded information acquisition unit 29 will be described.

  The decryption information acquisition unit 29 communicates with an external device (for example, the decryption information holding device 50: see FIG. 1) via a network, and is encrypted using the identification information acquired by the identification information acquisition unit 21. The decoding information for decoding 1 information and / or 2nd information is acquired. The decryption information corresponds to a so-called “key” for decrypting the encrypted information. In order to realize communication via a network with a predetermined external device (for example, the decryption information holding device 50: see FIG. 1) by the decryption information acquisition unit 29, the electronic device 20 is shipped in advance. Therefore, information (IP address or the like) for identifying a predetermined external device (for example, decryption information holding device 50: see FIG. 1) existing on the network may be held. Alternatively, the semiconductor device 10 stores information (such as an IP address) for identifying a predetermined external device (for example, the decryption information holding device 50: see FIG. 1) existing on the network. You may comprise so that information may be acquired. As described above, the decryption information acquisition unit 29 transmits information requesting to transmit decryption information to a predetermined external device (for example, the decryption information holding device 50: see FIG. 1). It should be noted that the identification information acquired by the identification information acquisition unit 21 may be included in the information requesting transmission of the decryption information.

  When the first information is encrypted and stored in the first storage unit 12 of the semiconductor device 10, that is, the first information acquisition unit 22 acquires the encrypted first information. When it does, the 1st information which the 1st information acquisition part 22 acquired is decoded. For example, the first decoding unit 27 realizes decoding of the first information using the decoding information acquired by the decoding information acquisition unit 29.

  The second decryption unit 28 acquires the second information encrypted when the second information is encrypted and stored in the second storage unit 14 of the semiconductor device 10, that is, the second information acquisition unit 26 encrypts the second information. In such a case, the second information acquired by the second information acquisition unit 26 is decoded. For example, the second decoding unit 28 realizes decoding of the second information using the decoding information acquired by the decoding information acquisition unit 29.

  Such a configuration of the electronic device 20 can be realized by the following program.

  That is, a program for acquiring quality information from a server holding quality information of a semiconductor device, the first acquisition step of acquiring identification information and first information from the semiconductor device, and the first information including the first information An access request step for transmitting request information for requesting access permission to the server to an access control device for controlling access to the server, and receiving a reply to the request information from the access control device, and the access request step When receiving information indicating permission to access the server, the quality information acquisition step of accessing the server and acquiring the quality information of the semiconductor device using the identification information, and the quality information acquisition step A first output step of outputting the acquired quality information; Program for.

  Alternatively, in the above-described program, the computer may further execute a second acquisition step of acquiring second information from the semiconductor device and a second output step of outputting the second information acquired in the second acquisition step. Program for.

  For example, the electronic device 20 can be realized by installing such a program in a PC (Personal Computer) including a desired device (communication device, output device, etc.).

<Server 30>
Next, the configuration of the server 30 of this embodiment will be described.

  The server 30 holds the identification information of the semiconductor device 10 and the quality information of the semiconductor device 10 in association with each other. The identification information of the semiconductor device 10 may be identification information held in the identification information storage unit 11 of the semiconductor device 10 or may be identification information included in the first information. Such a server 30 is placed on the network. Access to the server 30 is controlled by an access control device 40 described below. Since the configuration of the server 30 can be realized in accordance with the prior art, a description thereof is omitted here.

<Access control device 40>
Next, the configuration of the access control device 40 of this embodiment will be described.

  FIG. 5 is a functional block diagram showing an example of the configuration of the access control device 40 of the present embodiment. As shown in FIG. 5, the access control device 40 of this embodiment includes an authentication information holding unit 41, a request information receiving unit 42, an authentication processing unit 43, an authentication result transmitting unit 44, and a server access control unit 45. Have.

  The authentication information holding unit 41 holds the identification information of the semiconductor device 10 in association with the password included in the first information. Here, the identification information of the semiconductor device 10 may be identification information held by the identification information storage unit 11 of the semiconductor device 10 or may be identification information included in the first information. Good.

  The request information receiving unit 42 receives request information transmitted from the access request unit 23 of the electronic device 20 via the network.

  When the request information receiving unit 42 receives the request information, the authentication processing unit 43 acquires the identification information and password of the semiconductor device 10 included in the request information. Then, authentication processing is performed using the acquired identification information and password and information held by the authentication information holding unit 41. Specifically, it is determined whether or not the acquired combination of identification information and password is held in the authentication information holding unit 41. If it is held, it is determined that the access request is from an authorized person, and the electronic device 20 that has transmitted the request information is allowed to access the server 30. On the other hand, if it is not held, it is determined that the access request is from an unauthorized person, and it is determined not to permit access to the server 30 from the electronic device 20 that has transmitted the request information. .

  Upon obtaining the result of the authentication processing by the authentication processing unit 43, the authentication result transmitting unit 44 transmits information indicating the result (access permission or disapproval) to the electronic device 20 that has transmitted the request information via the network. To do.

  When the server access control unit 45 acquires the result of the authentication processing by the authentication processing unit 43, the server access control unit 45 releases or maintains the access restriction to the server 30 from the electronic device 20 that has transmitted the request information based on the result.

  Such an access control device 40 may be, for example, a device that controls access to the LAN in which the server 30 is placed. Alternatively, the access control device 40 may be a device that is configured integrally with the server 30 and that controls access to the server 30 placed on the network. Note that these implementation examples are merely examples, and any configuration that can control access to the server 30 can be selected.

  Any of the above-described processing of the access control device 40 can be realized according to the prior art, and a detailed description thereof will be omitted here.

<Decryption information holding device 50>
Next, the configuration of the decryption information holding device 50 of this embodiment will be described.

  The decryption information holding device 50 holds information (key) for decrypting the encrypted first information (and second information). When each of the first information (and each of the second information) held in each of the plurality of semiconductor devices 10 is encrypted using the same key, the decryption information holding device 50 stores the information to be decrypted. Hold one. On the other hand, when each of the first information (and each of the second information) held in each of the plurality of semiconductor devices 10 is encrypted using a different key, the decryption information holding device 50 stores the information to be decrypted. A plurality of pieces of information to be held and decoded are associated with identification information held by the identification information storage unit 11 of the semiconductor device 10.

  Such a decryption information holding device 50 is placed on a network. When a request for transmitting information to be decoded is received from the electronic device 20, predetermined information to be decoded is extracted and transmitted to the electronic device 20.

  Note that the configuration of the decryption information holding device 50 can be realized in accordance with the prior art, so the description thereof is omitted here.

  Next, an example of the processing flow of the quality information providing system of this embodiment will be described.

  First, an example of the flow of processing in which the electronic device 20 acquires quality information from the server 30 and outputs it will be described using the sequence diagram of FIG.

  First, the semiconductor device 10 and the electronic device 20 arranged at a predetermined position start communication (S10). Then, the electronic device 20 receives the identification information and the first information from the semiconductor device 10 (S20). Next, the electronic device 20 transmits request information for requesting access to the server 30 including the first information to the access control device 40 (S30).

  The access control device 40 that has received the request information executes a predetermined authentication process using the identification information and the password included in the request information (S40). If it is determined that the access request is from an authorized person as a result of the authentication process, access restriction to the server 30 from the electronic device 20 is released (S50), and the authentication result is transmitted to the electronic device 20. (S60).

  The electronic device 20 that has received the information indicating the access permission as the authentication result transmits information requesting the quality information together with the identification information to the server 30 (S70).

  Upon receiving the request for quality information, the server 30 searches the database using the received identification information as a key, retrieves predetermined quality information (S80), and transmits the retrieved quality information to the electronic device 20 (S90).

  The electronic device 20 that has received the quality information outputs the received quality information via an output device such as a display or a printing device (S100).

  Next, another example of the flow of processing in which the electronic device 20 acquires quality information from the server 30 and outputs it will be described using the sequence diagram of FIG. This example is an example of the flow of processing when the encrypted first information is stored in the semiconductor device 10.

  First, the semiconductor device 10 and the electronic device 20 arranged at a predetermined position start communication (S10). Then, the electronic device 20 receives the identification information and the encrypted first information from the semiconductor device 10 (S20). Next, the electronic device 20 transmits information requesting information for decoding the first information (hereinafter referred to as “decoded information”) (which may include the identification information acquired in S20) to the decoded information holding device 50 ( S21).

  Upon receiving the information requesting the decryption information, the decryption information holding device 50 extracts the predetermined decryption information and transmits it to the electronic device 20 (S22).

  The electronic device 20 that has received the decryption information decrypts the first information acquired in S20 using the received decryption information (S23).

  The following processing of S30 to S100 is the same as that described above with reference to FIG. 6, and thus description thereof is omitted here.

  Note that the description given with reference to FIGS. 6 and 7 is a case where it is determined that the access request is from an authorized person as a result of the authentication process (S40) by the access control device 40. If the access control device 40 determines that the access request is from an unauthorized user, the access control device 40 does not release the access restriction in S50 and transmits information indicating that access to the server 30 is not permitted. (S60). And the process of a quality information provision system is complete | finished.

  Next, an example of a processing flow in which the electronic device 20 acquires and outputs the second information from the semiconductor device 10 will be described with reference to the sequence diagram of FIG.

  First, the semiconductor device 10 and the electronic device 20 arranged at a predetermined position start communication (S10). Then, the electronic device 20 receives the second information from the semiconductor device 10 (S11). Thereafter, the electronic device 20 outputs the received second information via an output device such as a display or a printing device (S12).

  Note that the processing flow when the encrypted second information is stored in the semiconductor device 10 can be realized in accordance with the processing flow described with reference to FIG.

  According to the semiconductor device, the electronic device, the quality information providing system, and the program according to the present embodiment described above, a user who desires to acquire the quality information of the semiconductor device according to the present embodiment realizes the acquisition of the quality information. In this operation, it is only necessary to make the semiconductor device communicable with the electronic apparatus of the present embodiment (arrangement at a predetermined position, etc.), and other troublesome operations, for example, identification that is stamped on the semiconductor device There is no need to perform troublesome operations such as reading information, converting identification information read using a predetermined device into other information, or inputting the information into a computer. According to this embodiment, a very user-friendly system can be realized.

DESCRIPTION OF SYMBOLS 10 Semiconductor device 11 Identification information memory | storage part 12 1st memory | storage part 13 Communication part 14 2nd memory | storage part 20 Electronic device 21 Identification information acquisition part 22 1st information acquisition part 23 Access request part 24 Quality information acquisition part 25 Output part 26 2nd Information acquisition unit 27 First decoding unit 28 Second decoding unit 29 Decoded information acquisition unit 30 Server 40 Access control device 41 Authentication information holding unit 42 Request information receiving unit 43 Authentication processing unit 44 Authentication result transmission unit 45 Server access control unit 50 Decoding Information holding device

Claims (11)

A semiconductor device,
An identification information storage unit that holds identification information for identification with other semiconductor devices;
A first storage unit that stores first information for obtaining the quality information from a server that holds the quality information of the semiconductor device;
A communication unit that communicates with an external device and transmits information stored in the semiconductor device to the external device;
A semiconductor device. The semiconductor device according to claim 1,
The said memory | storage part is a semiconductor device holding the authentication information for accessing the said server as said 1st information. The semiconductor device according to claim 1 or 2,
The semiconductor device which further has the 2nd memory | storage part which memorize | stores the 2nd information which is a part of said quality information in the quality information which the said server hold | maintains. An identification information acquisition unit that communicates with the semiconductor device according to claim 1 to acquire the identification information from the identification information storage unit;
A first information acquisition unit that communicates with the semiconductor device according to claim 1 and acquires the first information from the first storage unit;
An access request for transmitting request information requesting permission to access the server including the first information to an access control device that controls access to the server and receiving a reply to the request information from the access control device And
When the access request unit receives information indicating permission to access the server, the quality information acquisition unit that accesses the server and acquires the quality information of the semiconductor device;
An output unit for outputting the quality information acquired by the quality information acquisition unit;
Electronic equipment having The electronic device according to claim 4,
The first information stored in the first storage unit is encrypted,
A first decoding unit for decoding the first information;
The access request unit is an electronic device that transmits the decrypted first information to the access control apparatus. The electronic device according to claim 4 or 5,
A second information acquisition unit that communicates with the semiconductor device according to claim 3 and acquires the second information from the second storage unit,
The output unit is an electronic device that also outputs the second information. The electronic device according to claim 6,
The second information stored in the second storage unit is encrypted,
A second decoding unit for decoding the second information;
The output unit is an electronic device that outputs the second information after decoding. The electronic device according to claim 5 or 7,
Decryption information that communicates with an external device and obtains decryption information for decrypting the encrypted first information and / or second information using the identification information acquired by the identification information acquisition unit An acquisition unit,
The first decoding unit and / or the second decoding unit is an electronic device that performs the decoding using the decoding information. The electronic device according to any one of claims 4 to 8,
A server that holds quality information of the semiconductor device;
Upon receiving the request information from the electronic device, after performing an authentication process using the first information included in the request information, information indicating access permission to the server or information indicating access disapproval An access control device that replies to the electronic device and performs control on the electronic device according to the reply content;
A quality information providing system. A program for obtaining the quality information from a server that holds the quality information of the semiconductor device according to any one of claims 1 to 3,
A first acquisition step of acquiring the identification information and the first information from the semiconductor device;
An access request for transmitting request information requesting permission to access the server including the first information to an access control device that controls access to the server and receiving a reply to the request information from the access control device Steps,
When receiving information indicating access permission to the server in the access requesting step, the server accesses the server and acquires the quality information of the semiconductor device; and
A first output step for outputting the quality information acquired in the quality information acquisition step;
A program that causes a computer to execute. The program according to claim 10, further comprising:
A second acquisition step of acquiring the second information from the semiconductor device according to claim 3;
A second output step of outputting the second information acquired in the second acquisition step;
A program that causes a computer to execute.

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