JP2002041124A - Production control system and production control information using system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent any huge loss due to the error of the preparatory plan of a work, and to quickly acquire the latest preparatory plan history data of each process at the time of performing the production control of a semiconductor device. SOLUTION: This system is provided with a portable terminal 12 equipped with an interface system for allowing an operator to inquiry for information and to report the breakdown of any failure on manufacture and with radio function, a radio base station 13, an operator re-dispatch instructing function part 14, a production error preventing function part 15, a result storing and retrieving and displaying function part 16, and a lot progress controlling and displaying function part 17. The production error preventing function part 15 is provided with a function for preliminarily registering information indicating the order of manufacturing processes for each product on a production plan and a necessary plan on product manufacture for each manufacturing process and manufacturing device, a function for storing master information, and a function for comparing and collating information such as the name of a device, the name of a product, and the name of an operator transmitted from each portable terminal with the master data, and for returning the judged result of the validity or invalidity.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a production management system and a production management information utilizing system, and more particularly to a system for managing production by combining a computer system and a wireless collation system, and further utilizing production management information using a wide area network. It relates to a system and is used, for example, for production management, order placement, order receiving, and the like of semiconductor devices.

[0002]

2. Description of the Related Art A conventional production management system employed in the production of semiconductor devices is a worker placement system whose main purpose is to optimize worker placement.

FIG. 6 schematically shows a conventional example of a semiconductor device production management system.

[0006] In FIG. 6, a production management host 51 pre-allocates the quantity and time of products to be produced to a manufacturing apparatus and a worker (operator of the manufacturing apparatus) for each manufacturing process.
Each worker 52 confirms the setup required for each process when starting production, and ends the work from the terminal 53 with a wireless function possessed by the worker relocation instruction function unit 55 via the wireless base station 54 Send only report information.

The worker rearrangement instruction function unit 55 grasps the work progress of each worker based on the work completion report information, and optimizes the worker arrangement (for example, to support a process that is behind schedule). ) Is transmitted to the terminal 53 with a wireless function via the wireless base station 54.

However, in the above-mentioned conventional production management system, since the work is set up by a person, a defect due to a mistake in the setting may be found in the middle of the relevant step or after the next step, resulting in a great loss. there were.

[0007] As for the product manufacturing history (lot trace) such as the setup conditions performed in each process and the contents of defects related to the production results, the information entered by a worker on a sheet which moves the process together with the product, for example, in the morning. Lot trace data input terminal collectively as data and afternoon data
Enter 56.

Therefore, it took a considerable amount of time to obtain the latest setup history data of the jigs, tools, dies, members, etc. concerning the setup conditions performed in each process and the products made by the equipment in each process. Furthermore, failure analysis (e.g., breakdown of yield and failure mode) for each device cannot be performed in a timely manner, and changes in device status cannot be grasped in a timely manner. did.

[0009]

SUMMARY OF THE INVENTION As described above, the conventional semiconductor device production management system has a main purpose of optimizing the arrangement of workers, and causes a great loss due to a mistake in the setup of work performed by humans. And it takes a considerable amount of time to obtain the latest setup history data for each process, failure analysis for each device cannot be performed in a timely manner, and changes in device status cannot be grasped in a timely manner. There is a problem that it takes time to find a point of the device maintenance.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can prevent a great loss due to a mistake in work setup, can quickly obtain the latest setup history data of each process, and have a problem with each device. Analyze in a timely manner,
Changes in equipment status can be grasped in a timely manner, making it possible to find equipment maintenance points in a short period of time, and to optimize the placement of workers taking into account the positions and skills of workers. The purpose is to provide a production management system.

Another object of the present invention is to make it possible to use a real-time product lot progress management system via a wide area network, to correct a production plan of a product orderer according to the progress status of a product lot, The degree of freedom at the ordering source increases, such as the ability to place additional orders,
It is an object of the present invention to provide a production management information utilization system that enables quick response and reduces costs by reducing the number of purchasers or salespeople at the order source.

[0012]

SUMMARY OF THE INVENTION A production management system according to the present invention is provided for a plurality of operators who operate and manage a manufacturing apparatus to carry and operate the respective apparatuses. A portable terminal with a wireless function that has a reading function and an input / output screen, has an interface system that enables the worker to inquire of information and report a breakdown of a manufacturing defect, and that can transmit and receive data by a wireless signal; A wireless base station capable of transmitting and receiving data to and from each of the mobile terminals, and capable of transmitting and receiving data to and from the wireless base station, and performing the work based on a planned production number and a production actual number report. Has a function of automatically performing a planning process for relocating a worker to each manufacturing process of a production line and instructing the worker via the wireless base station. Data can be transmitted and received between the contractor relocation instruction function unit and the radio base station, information indicating the order of the manufacturing process for each product in the production plan, and A master information registration function for pre-registering necessary setups, a master information storage function for storing master information, and the master information registration for information on a device name, a product name, and a worker name transmitted from each portable terminal. It is possible to send and receive data between the radio base station and a production error prevention function unit having a master information collating function for comparing and collating with master data registered in the function to determine correctness, and returning a determination result. A result data storage function for storing, as product manufacturing history information, the contents of defects relating to setup conditions and production results performed in each of the manufacturing processes, and searching and displaying the stored information And actual storage and retrieval display function unit having a capacity of actual data retrieval and display functions, it is capable of transferring data between said radio base station, the progress data storage function of storing progress data of product lots, and,
A lot progress management display function unit having a progress status display function capable of displaying the stored information.

A production management information utilization system according to the present invention is provided at each production management site and connected to a LAN line, and manages the progress of a currently produced product lot, and a connection to the LAN line. And an integrated production management web server connected to the LAN line and capable of transmitting and receiving information via the Internet.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

<One Embodiment of Production Management System> FIG.
1 shows a semiconductor device production management system as one embodiment of the production management system of the present invention.

This production management system has, as a basic configuration, (1) an operator (operator) 10 who operates and controls a manufacturing apparatus (mounting apparatus, bonding apparatus, molding apparatus, etc.) 11 in a semiconductor device production line. A plurality of mobile terminals 12 with a wireless function that are prepared to operate and can transmit and receive data by wireless signals,
(2) a radio base station 13 capable of transmitting and receiving data to and from each mobile terminal 12; and (3) a worker relocation instruction function unit 14 capable of transmitting and receiving data to and from the radio base station 13. . Further, it has (4) a production error prevention function unit 15, (5) a result storage search display function unit 16, and (6) a lot progress management display function unit 17.

In the present embodiment, a wireless barcode reader (hereinafter referred to as SS wireless BCR) 12 of a spread spectrum (SS) type is used as each of the portable terminals 12. The SS type mobile terminal 12 includes an information reading function for reading information (barcode or digitized information) attached to a manufacturing apparatus, a jig or a tool storage area, and an input / output screen. Input and output of various information by the operator (for example, input of inquiries such as setup confirmation, input of breakdown report of manufacturing defects, input of non-usable report of jigs and tools, input of experimental data, instruction of work arrangement, alarm Interface system that can communicate information, etc.).

The SS type mobile terminal 12 has the feature that high-speed communication is possible and there is little radio interference, so that the mobile terminal 12 has multiple functions (a large amount of data to be handled).
Suitable for. In addition, the barcode reader is generally easy to use, allows accurate input, and can reduce cost.

The worker relocation instruction function unit 14 has a basic function of relocating the worker 10 to each manufacturing process of a production line based on a report of a planned production number and a production actual number report. It has a function of automatically performing a planning process and transmitting instruction information to the worker 10 to the mobile terminal 12 via the wireless base station 13.

Further, the worker relocation instruction function unit 14
Jigs and dies required for each manufacturing process and manufacturing equipment,
Unusable information for at least one of the member and manufacturing apparatus condition information is transmitted from the worker 10 to the wireless base station 13
In this case, the corresponding item of the registration data of the master information registration function of the production error prevention function unit 15 is invalidated, and if necessary, the operator 10
Has a function of instructing optimization (rearrangement) of the arrangement.

The production error prevention function unit 15 (a) preliminarily registers the order of the manufacturing process for each product in the production plan and the master information indicating the necessary setup for product manufacturing for each manufacturing process and each manufacturing apparatus. A master information registration function, (b) a master information storage function for storing the master information, and (c) master information registered in the master information registration function and the worker 10.
And a master information collation function for comparing and collating the information of the manufacturing apparatus name, the product name, and the worker name transmitted from the mobile terminal 12 with the master terminal. Further, (d) it is desirable to have a function of permitting and determining the expiration date of at least one of the jigs, dies, and members required for each manufacturing process.

The result storage / search / display function unit 16 includes (a)
It has a performance data storage function for storing the setup conditions performed in each manufacturing process and the contents of defects related to the production performance as product manufacturing history information, and (b) a performance data search and display function capable of searching and displaying the stored information.

The lot progress management display function unit 17
(A) a progress data storage function for storing the progress data of the product lot; and (b) a progress status display function for displaying the stored information.

Further, in consideration of the scalability of the production management system of the present embodiment, the worker rearrangement function unit 14, the production error prevention function unit 15, the result storage search display function unit 16, and the lot progress management display function unit 17 Are collectively referred to as master check, lot trace, and worker relocation function unit 20)
Is a LAN (Local Area Network) line
It is desirable to exchange data with 18. Correspondingly, a LAN directly connected wireless base station is used as the wireless base station 13.

A production management host (computer) 21 is connected to the LAN line 18. This production management host 21 uses a multi-tasking, multi-user operating system, UNIX (developed by AT & T Bell Laboratories in the United States, currently an improved version), and has a server function.

The worker relocation function unit 14, the master information registration function and the master information storage function of the production error prevention function unit 15, the result data storage function and the lot progress management display function of the result storage search and display function unit 16 The progress data storage function of the unit 17 uses a personal computer (PC) server, and the basic software (Operati
ng System; OS) uses Windows NT (Microsoft, USA) or Linux (one of UNIX compatible OSs and is distributed as freeware).
It is created in a language (developed by AT & T Bell Laboratories in the United States), and the database (Data Base; DB) is realized using Oracle (a general term for relational database software and database server sold by Oracle Japan).

The master information search function of the production error prevention function section 15, the result data search and display function of the result storage search and display function section 16, and the progress status display function of the lot progress management display function section 17 use a personal computer. Windows as OS
Using 95/98 (Microsoft US), applications are VB (Visual Basic, Microsoft's development language), VBA (Visual Basic for Applications Editio)
n, using a programming language such as Microsoft's common macro language between applications and JAVA (developed by Sun Microsystems).

The application of the SS radio BCR 12 is written in C language.

FIG. 2 is a flowchart showing a semiconductor assembling process in the case where, for example, a bonding apparatus is used as the production apparatus 11 as an operation example of the production management system of FIG.

The operator first performs a lot setting operation as a stage before starting the actual bonding operation. Specifically, Key No, which is bar-coded product identification information,
Bar-coded device identification information (manufacturer name, model name,
The device ID (identification), which is the unit name, and the worker ID, which is the bar-coded worker identification information, are transmitted to the SS wireless BCR.
12 from the PC server via the wireless base station 13 (master check, lot trace, worker allocation system 2
Send to 0).

In the master check / lot trace / worker placement system 20 receiving the above information, the production error prevention function unit 15 determines whether the process to be executed, the material to be used,
It is checked whether the mold, jig, manufacturing conditions (recipe number), etc. can be set with the current setting of the bonding apparatus.

At this time, the process is identified by the device ID, the product is identified by the Key No, and the operator name is identified by the operator ID. In addition, as a condition for determination, the master information registration function of the production error prevention function unit 15, for example, product: TC929
The registration of the bonding wire: FA25002, the bonding jig: BGJ00A, and the manufacturing conditions: 9246L1, and the correspondence between the worker name and the worker ID are registered in advance.

If the result of the comparison is good (OK), OK information is returned to the SS radio BCR 12 via the radio base station 13,
Further, the conditions and the like are displayed on the screen of the SS wireless BCR 12 for confirmation.

On the other hand, as a result of the collation, a bad (N
G) In the case, for example, when it is necessary to exchange the bonding wire: FA25002 set in the current device, the product name (for example, FA25001) to be exchanged for the SS wireless BCR 12 via the wireless base station 13 is required. Returns information, SS Radio BCR 12
Display on the screen.

After exchanging the material according to the above-mentioned product name, the operator re-enters the verification content of the NG portion, completes the lot setting, and starts the bonding operation.

When the above lot set is completed,
Registration is made in the progress data storage function of the lot progress management display function unit 17. In this case, a time record (time stamp) is included in the lot trace data. This makes it possible to check the in-process status of the lot,
It can be implemented with 17 progress status display functions.

After the completion of the bonding operation, a worker performs a lot end operation. In this lot end work, information on Key No., device ID No., and worker ID No. is read from the SS radio BCR 12 and transmitted to the PC server, similarly to the lot setting work.

As for reading of the information of the worker ID No., if it is assumed that each worker has the wireless BCR 12, by registering the worker once after turning on the power of the SS wireless BCR 12, You do not need to read it after each operation.

Further, on the screen of the SS radio BCR 12, information on the number of non-defective products (for example, 1000 pieces) of a process (for example, a mounting process) immediately before the bonding process related to the lot end operation is returned (displayed) as the total number G. Then, the total number G and the number N of non-defective products can be input. At this time, if the number N of non-defective products in the bonding process is not the same as the total number G, the worker 10 inputs S (number of defects) in addition to G and N on the defect breakdown screen of the SS radio BCR 12. Send to the PC server.

Further, as described above, immediately after the end of the work, the worker reports the number of production, the number of defects, and the breakdown of the production by the portable terminal 12 as well as sends alarm information and lot restriction information on production. can do.

Such a report from the worker is stored as lot trace information in the performance data storage function of the performance storage search and display function unit 16, and the lot end is completed in the progress data storage function of the lot progress management display function unit 17. Information is registered. Such an operation is repeated for the master data for each process. The lot payout status can be confirmed by the progress status display function of the lot progress management display function unit 17.

The work rearrangement instruction function unit 14 can send and receive alarm information (for example, abnormalities of a mold and a jig and a tool) related to production and lot restriction information. For example, the location and work status of each worker can be detected from the input of the lot end, so that the worker having the best work skill for the event that occurred can be selected and the rearrangement can be instructed so as to respond to the event as quickly as possible. Maintenance of tools and the like can be performed in the shortest time.

Further, the result data search and display function unit 16
As shown in the graphs in FIGS. 3 (a) and 3 (b),
By specifying a product and a period, the number of lots can be displayed on the vertical axis and the yield can be displayed on the horizontal axis, or by specifying the device number, the yield can be displayed on the vertical axis and the date can be displayed on the horizontal axis.

That is, in the above production management system,
The worker 10 reports the number of productions, the number of defects, and the breakdown of the defects by the mobile terminal 12 immediately after the end of the work as production results,
Alarm information on production and lot restriction information can be transmitted.

The production error prevention function unit 15 enables an operator to confirm a setup mistake on the spot at the start of production in each process, thereby preventing the production of defective products.

The work rearrangement instructing function unit 14 registers, as master information, the working distance of each worker 10 and the distance between the installation places and places of the jigs and tools, dies, members, etc. necessary for the devices and products in advance. It is possible to detect the current location and work status from the work report of each worker 10. In this way, the work skills of each worker 15 are added to the event that has occurred, the worker who can respond appropriately and quickly is extracted, instructions for relocation are issued, and maintenance of equipment and jigs is performed in a timely manner. Can be implemented.

It should be noted that the above-described production management system is not completely unmanned, but has a worker with a certain level of working skills.
Is a system that requires a report by the mobile terminal 12 with a wireless function, but has a relatively high degree of freedom and can be realized at a relatively low price.

<One Embodiment of Production Management Information Utilization System> Next, production management information in which a real-time lot progress management system such as the above-described production management system can be used via a wide area network (for example, the Internet). The use system will be described.

FIG. 4 shows an embodiment of the production management information utilizing system of the present invention.

This production management information utilization system is arranged at each of a plurality of production management sites and uses the same LAN line 41.
A lot progress management system 42, which is commonly connected to the
A production management host computer 43 connected to the line 41,
Internet connected to the LAN line 41
Integrated production management web (world wide web; WWW) server (computer) that can send and receive information via 44
45. As the lot progress management system 42, for example, a production management system configured as described in the first embodiment is used.

Further, a member management system 46 which is arranged at each production management site and manages the stock quantity of materials necessary for manufacturing each product, a product stock management system 47 which manages the product stock quantity, It has a shipping management system 48 for managing the shipping status and a production instruction issuing system 49.

That is, in FIG. 4, 42A is A of a certain company.
A installed in a factory (for example, a semiconductor device A production factory)
A factory progress management system, 42B, is a factory B progress management system installed in another B factory (for example, a semiconductor device B production factory) of the company, and has a production management host computer 43 and an integrated production management web via a LAN line 41, respectively.
Connected to server 45.

The production management host computer 43 centrally performs large-scale calculation processing, management and control processing of the entire network, and the like. That is, the LAN line 41
For example, for each of the factories A and B, for example, a member management system
Material inventory required for each product manufacturing by 46, product inventory by product inventory management system 47, product shipping status by shipping management system 48, lot progress management system 42
A function to collect the progress of each product lot currently being produced, a function to issue a production instruction to the production instruction issuing system 49, a shipment prediction response function, and a development number or an order number assigned to each customer order. It has a function of searching for information of each system.

The integrated production management web server 45 is connected to the Internet 44, and the HTML (hypertext markup language) stored in the storage device in response to a request from a web browser (browser) via the Internet 44.
age) It has functions such as sending files (Web server software), and is configured to be able to send and receive information via the Internet 44.

The integrated production management web server 45
May control and transfer data to and from clients using multiple communication protocols as needed.
The processing may be distributed by installing a plurality of computers.

According to the production management information utilization system having the above-mentioned configuration, for example, a certain set maker can grasp in real time the progress of a product lot at an ordering destination of a part (for example, a semiconductor device) to be used in the set. It is. As a result, it is possible to modify the production plan of the set maker and to order additional parts according to the progress of the product lot at the supplier, and the ordering party (set maker) has more flexibility and quick response. It is possible to reduce costs by reducing labor of the purchaser of the ordering party or the sales representative of the supplier, and it is possible to promote the production of various kinds of small quantities and the promotion of mini-factories. .

FIG. 5 is a flowchart for explaining an operation example of the production management information utilizing system of FIG.

When a customer (ordering party) of a certain manufacturing company operates a personal computer to access the integrated production management web server 45 of the manufacturing company via a web browser via the Internet 44 and inputs a designated password, the customer On the display device of the personal computer, items of the product lot progress status and the ordering procedure are displayed as a dedicated screen. Here, when a product lot progress status item is selected and input, an item for inputting a development number or an order number assigned to each customer order is displayed.

Next, when the customer inputs the information he wants to know (for example, if he wants to know the progress of the product lot associated with the development number assigned to each customer order), the integrated production management web server 45 is entered. This causes an inquiry to the production management host computer 44. Then, the production management host computer 44 checks which process is currently in progress of the product lot status related to the inquired development number, and stores the information in the integrated production management web.
Return to server 45 and inform customer.

With such a function, the customer can know the necessary information at any time so as to obtain the progress status of the product lot related to his / her own development number, and can follow the process delay if necessary. Further, it is possible to more accurately predict the shipping time of the product according to the development number, and to immediately review a production plan or the like in accordance with the shipping time. In this way, the customer can obtain information that leads to an improvement in the throughput of the final assembled product, for example, and can contribute to an improvement in customer satisfaction (CS).

When a customer places an order for a general-purpose product, the customer inputs the order number as information that the customer wants to know, and the process according to the above-described process allows the progress status of the lot related to the product related to the order number to be checked. It becomes possible to know.
Furthermore, when a customer places an order for general-purpose products, enter the product model number and quantity using a web browser in the same manner as described above, and the expected shipping date and price will be posted on the screen. It is also possible to input an order on the screen of. Customers also see this web browser,
After confirming the progress of the products of the factories A and B, the most suitable factories (meaning the delivery date of the products desired by the customer) can be selected. The shipment date is calculated based on the information collected by the production management host computer 44 from the lot progress management systems 42 of the factories A and B.

[0062]

As described above, according to the production management system of the present invention, it is possible to prevent enormous loss due to mistakes in work setup, to quickly obtain the latest setup history data of each process, and to analyze the failure of each device. Can be carried out in a timely manner, the state of change in the state of the apparatus can be grasped in a timely manner, and points for apparatus maintenance can be found in a short time. In addition, it is possible to optimize the arrangement of the workers in consideration of the positions and skills of the workers.

Further, according to the production management information utilizing system of the present invention, the real-time product lot progress management system can be used via the wide area network. It is possible to modify production plans, order additional products, etc.
The degree of freedom at the ordering source is increased, quick response is possible, and the cost can be reduced by labor saving of the purchaser at the ordering source or the sales representative at the ordering source.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a production management system of the present invention.

FIG. 2 is a flowchart showing a semiconductor assembling process using a bonding apparatus as an operation example of the production management system of FIG. 1;

FIG. 3 is a diagram showing a display example of a performance data search and display function unit in FIG. 1;

FIG. 4 is a block diagram showing one embodiment of a production management information utilization system of the present invention.

FIG. 5 is a flowchart showing an operation example of the production management information utilization system of FIG. 4;

FIG. 6 is a block diagram schematically showing a conventional example of a semiconductor device production management system.

[Explanation of symbols]

10 ... workers 11 ... manufacturing equipment 12 ... terminal with wireless function (SS wireless BCR) 12 ... LAN direct-connection wireless base station 14 ... worker relocation instruction function unit 15 ... production mistake prevention function unit (master information registration function, master Information storage function, master information collation function) 16… Result storage search / display function section (Result data storage function, Result data search / display function) 17… Lot progress management display function section (Progress data storage function,
Progress display function) 18 LAN line 20 Master check / lot trace / worker relocation function unit 21 Production management host 41 LAN line 42 Lot progress management system (production management system) 43 Production management host Computer, 44… Internet, 45… Integrated production management web server,

Continued on the front page F term (reference) 5B049 AA06 BB07 CC05 CC21 CC22 CC24 CC32 DD02 EE01 FF03 FF04 GG03 GG04 GG06 GG07 5H215 AA07 BB09 BB16 BB18 CC09 CX04 CX08 GG03 GG05 GG20 KK04

Claims (13)

[Claims] An information reading function and an input / output screen are provided for a plurality of operators who operate and manage a manufacturing apparatus to carry and operate the manufacturing apparatus, respectively. A plurality of mobile terminals with a wireless function capable of transmitting and receiving data by wireless signals, and an interface system capable of inquiring information and reporting the breakdown of manufacturing defects, and data between the mobile terminals. The base station is capable of transmitting and receiving data between the radio base station and the radio base station, and the worker is returned to each manufacturing process of the production line based on a report of a planned production number and a production actual number. An operator relocation instruction function unit having a function of automatically performing a planning process for arrangement and instructing the worker via the radio base station; Data can be exchanged with the local office,
(A) a master information registration function for registering, in advance, a manufacturing process sequence for each product in a production plan, and master information indicating necessary setup for product manufacturing for each of the manufacturing processes and the manufacturing apparatus;
(B) a master information storage function for storing master information;
(C) The master information registered in the master information registration function is compared with the information of the device name, product name, and worker name transmitted from the worker by the portable terminal, and the correctness is determined, and the determination result is determined. A production error prevention function unit having a master information collation function for returning, and data can be transmitted and received between the wireless base station,
(A) a performance data storage function for storing, as product manufacturing history information, the contents of defects relating to setup conditions and production performance performed in each of the manufacturing processes; and (b) a performance data search and display function for searching and displaying the stored information. A data storage search and display function unit provided, and data can be exchanged between the radio base station,
(A) a progress data storage function for storing the progress data of the product lot; and (b) a lot progress management display function unit having a progress status display function capable of displaying the stored information. production management system. 2. The portable terminal according to claim 2, wherein the worker rearrangement instructing function unit transmits, from the portable terminal, information that is unusable for at least one of jigs, dies, members, and manufacturing apparatus condition information required for each of the manufacturing processes and apparatuses. By being transmitted through the wireless base station, the corresponding item of the registration data of the master information registration function of the production error prevention function unit is invalidated, and the arrangement of the worker is performed according to the invalidation content as necessary. 2. The production management system according to claim 1, wherein an instruction of optimization (rearrangement) is issued. 3. The master information collating function of the production error preventing function unit extracts a process name based on a device name transmitted from the mobile terminal via the wireless base station, and extracts the process name from the mobile terminal. Based on the product name transmitted via the base station, the manufacturing process sequence, jigs, dies, members, and manufacturing device condition information necessary for each process and product are extracted, and the extracted information is stored in the master information. Collating with master data registered in a function, returning a collation result to the mobile terminal, the mobile terminal has a function of displaying a collation result returned from the production error prevention function unit via the wireless base station. The production management system according to claim 1, further comprising: 4. The master information collating function of the production error preventing function unit registers a worker name corresponding to a worker identification number transmitted from the portable terminal via the wireless base station in the master information storing function. Searching from the obtained master data, returning a search result to the mobile terminal, the mobile terminal displaying and storing a corresponding worker name returned from the production error prevention function unit via the wireless base station. The production management system according to any one of claims 1 to 3, further comprising: 5. The production error prevention function unit has a function of permitting and determining at least one expiration date of at least one of jigs, dies, and members required for each of the manufacturing processes. 5. The production management system according to any one of claims 4 to 4. 6. The master information storage function section registers, as master information, the mutual distances between the installation places and places of jigs, tools, dies, members and the like necessary for the apparatus and the product and the work skills of each worker in advance. By doing so, the work placement instruction function unit detects the current location and work status of each worker from the work report by the mobile terminal with a wireless function of each worker, taking into account the work skills of each worker, The production management system according to any one of claims 1 to 5, wherein a worker who can respond to the event that occurred first is extracted. 7. The result storing and searching function unit can set a database having a relational data table configuration and AND and OR conditions of items in the database, and has a search function based on the setting conditions and a graph display function. The production management system according to any one of claims 1 to 6, wherein: 8. The production according to claim 1, wherein each of the portable terminals has a function of reading bar-coded or numerically converted information as the information reading function. Management system. 9. The operator rearrangement instruction function unit, production error prevention function unit, result storage search display function unit, and lot progress management display function unit are connected to the wireless base station via a LAN line. The production management system according to any one of claims 1 to 8, wherein: 10. A lot progress management system arranged at each production management site and connected to a LAN line to manage the progress of a currently produced product lot, and a production management host computer connected to the LAN line Integrated production management that is connected to the LAN line and is capable of transmitting and receiving information via the Internet.
b. A production management information utilization system comprising a server. 11. A member management system arranged at each production management site and connected to the LAN line to manage the stock quantity of materials necessary for each product manufacturing, and a product stock management to manage the product stock quantity A production management host computer, wherein the production management host computer includes a member management system for each production management site via the LAN line, and a product inventory management. A function of accessing a system, a lot progress management system, a shipping management system, a production instruction issuing system, and collecting necessary information from the component management system, a product inventory management system, a shipping management system, and a lot progress management system; A function to issue production instructions to the production instruction issuing system, a shipment forecast response function, and customer orders Production management information utilizing system of claim 10, wherein the more developed numbers or order numbers allocated a function to search for information of each system. 12. The production management site includes a plurality of sites, the LAN line is commonly used, and the lot progress management system, the member management system,
12. The production management information utilizing system according to claim 11, wherein said product inventory management system, said shipping management system and said production instruction issuing system are arranged. 13. The lot progress management system,
13. The production management information utilization system according to claim 10, wherein the production management system is the production management system according to claim 9.