Master Pattern Designing System and Method for the Same

专利摘要:
The present invention relates to a design system and a method of designing a master pattern used in the design of a shadow mask, comprising a client server system implemented on the Internet to share the cases stored by the designer of the shadow mask and the master pattern on the server In addition, the master pattern is automatically designed to reduce the time required for drawing review, the accuracy of the drawing review can be reduced, the cost of failure can be reduced, and the quick drawing review can be performed. Through smooth communication between master pattern designers, it is expected to secure reliability and increase trust with customers.
公开号:KR20030052443A
申请号:KR1020010082405
申请日:2001-12-21
公开日:2003-06-27
发明作者:김완종；김민성；정사범
申请人:엘지전자 주식회사；
IPC主号:

专利说明:

Master Pattern Designing System and Method for the Same
[11] The present invention relates to a master pattern design system and a method thereof, and more particularly, to a master pattern design system and method for enabling a simple and efficient design of a master pattern used in designing a shadow mask.
[12] So far, SM designers and SMs of color display tubes (hereinafter referred to as CDT) manufacturers are required to design master patterns (hereinafter referred to as MP) for manufacturing shadow masks (hereinafter referred to as SM). MP designers and sales representatives of the manufacturing companies have been conducting drawing review tasks to determine the modification and direction of SM design drawings by discussing technical issues and mass production that may occur during SM manufacturing. Very common SM models are available via phone, fax and e-mail.
[13] However, it is a very general model that the MP designer accurately reviews many checks on the SM design drawing, and therefore, there is a problem that the CDT manufacturer or the SM manufacturer loses a lot because the drawing review is incorrect.
[14] In addition, the drawing review operation through the above method causes a time loss even when the CDT manufacturer is located in Korea, and there is a problem that a quick action is not taken when an error is found after the review. In addition, when the CDT manufacturer is located in a foreign country, there is a problem in that work loss caused by time and space problems is very large in addition to drawing review work and further review and consultation for error correction.
[15] In addition, when reviewing drawings through direct meetings or using communication methods such as telephone, fax, and e-mail, similar errors are repeatedly generated because the materials or know-how of SM designers or MP designers are difficult to share. can do.
[16] In order to solve such problems, conventionally, a thorough review is conducted through a direct meeting, but due to the characteristics of the SM design focusing on the quality improvement of the CDT and the MP design focusing on the manufacturing limits of the SM, The vulnerability exists due to limitations or limitations.
[17] The present invention has been made to solve the above problems of the prior art, the purpose of which is to extract the MP designer's knowledge and use it in new design, and to solve the problem of MP design based on the past design cases To solve the problem is to provide an MP design system and method that can automatically perform MP design.
[1] 1 is a schematic diagram showing the configuration of a master pattern design system according to the present invention,
[2] 2 is a flow chart showing the flow of the master pattern design method according to the present invention,
[3] 3 is a graph showing an example of selecting a case in the master pattern design method according to the present invention,
[4] 4 is a block diagram showing a data structure of a case database of a master pattern design system according to the present invention;
[5] 5 is a block diagram showing a data structure of a rule database of the master pattern design system according to the present invention;
[6] 6 is a flowchart illustrating a flow of a method of sharing information in a master pattern design system according to the present invention.
[7] <Explanation of symbols on main parts of the drawings>
[8] 10: client 20: server
[9] 21: Case Database 22: Rule Database
[10] 23: web server 24: file database
[18] According to a feature of the MP design system according to the present invention for solving the above problems, the master pattern of the master pattern used in the design of the shadow mask inputs information about the specification of the shadow mask and is automatically designed according to the specification It consists of a client that can review the data, and a server that analyzes the specifications entered by the designer according to the stored master pattern cases and the rules of the master pattern and automatically designs the master pattern according to the analysis results. do.
[19] In addition, according to an aspect of the MP design method according to the present invention, the first step of changing the specification of the shadow mask to be designed to the pore information for each shadow mask coordinates, and when the shadow mask is designed according to the pore information changed in the first step And a second step of designing a master pattern to be used, and the designer of designing the master pattern is made by repeating the first and second steps until the required master pattern is designed.
[20] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[21] As shown in FIG. 1, the MP design system according to the present invention is configured as a PC of an MP designer or a PC of an SM designer, and inputs information about a specification of an SM to use an MP designed by the MP designer. At the same time, the client 10 capable of reviewing the MP generated according to the input specification and the specification inputted to the client 10 are automatically generated according to a plurality of stored MP cases and MP rules and upon request of the MP designer. It is composed of a server 20 for predicting the expected yield of the designed MP.
[22] Here, the MP designer may review the MP designed automatically by the server 20 through the display unit 11 of the client 10 and also view information about the MP stored in the server 20. .
[23] The server 20 has a case database 21 in which a plurality of MP cases applicable to the MP design are stored, and the MP is automatically designed when there is no case applicable to the MP design through the case database 21. And a rule database 22 for storing rule data according to MP designer know-how. In addition, the server 20 may further include a web server 23 as necessary to be interoperable with the client 10 on the web, and store general files necessary for driving the web server 23. It further includes a file database 24. Here, the web server 23 is composed of an Active Server Page (ASP), an ASP component, and Structured Query Language (SQL) processing in charge of request / reply between the server and clients on the web.
[24] In addition, the MP design system according to the present invention is a production information database (31) storing the information on the produced MP so that the MP designer can predict the production yield of the MP to be produced through the server, and the quality of the MP The quality information database 32 in which the information is stored may be further included.
[25] That is, when the MP designer requests the production yield and production yield of the designed MP, the server 20 exchanges data with the production information database 31 and the quality information database 32 and the exchanged data. Based on the calculation, the MP designer predicts a production yield to be grasped and transmits information about the predicted production yield to the client 10.
[26] Figure 2 shows the flow of MP design process and review process according to the present invention.
[27] First, in the first step, the MP designer receives a drawing of the SM to be designed through the SM designer. Here, the drawing is usually obtained in the form of a document, but also in the form of a file. In the present invention, it is preferable that the drawing be received by e-mail so that the drawing can be obtained in the form of a file. In addition, in the first step, the MP designer negotiates with the sales representative as necessary, and if it is necessary to modify the design details of the SM designer in consideration of technical problems, mass production problems, yield, and quality in SM manufacturing, After the agreement and readjustment of the SM design, the drawings are finally obtained.
[28] In the second step, the MP designer inputs data or equations on the design drawing indicating the SM to be designed, that is, the specification of the SM through the client (S2). Here, the SM specification input through the client means SM diameter information, such as a model name, SM pore size, pore pitch, size, and the like, required for drawing review. The design drawings of the SM are different from those expressed by CDT manufacturers, and are generally divided into cases where the pore size is expressed on the X and Y coordinates of the SM and the case where the pore is expressed by the X and Y relations.
[29] In a third step, the server changes the specification input through the client to a format defined for the MP design from the perspective of the MP designer. (S3) The information changed according to the format defined here is to change the input specification into information on the pore size for each coordinate value. Accordingly, the MP designer can see what size and shape the pore size in the SM is according to the X and Y coordinates. It becomes possible. Here, the pore size in the SM is in the form of a circle in the case of the CDT SM, but the center point is a circle, and as the X and Y coordinates change, the shape changes to an ellipse.
[30] In the fourth step, the MP designer refers to the past model information that is similar to the specification of the MP to be designed, which line is appropriate to be put in the production process, what kind of raw materials, that is, the iron plate to be used, Decide how many SMs you want to include in your MP. In particular, the determination is based on data stored in the case database, and determines model information to be applied to the MP to be currently designed based on the most similar case.
[31] For reference, Figure 3 shows a case of searching for similar cases in accordance with the present invention. Among the several cases shown in the graph, the case with the closest distance is selected and the model information of the selected case is applied. That is, for example, in the past, the case is designed based on various conditions, but for the sake of understanding, if the case is stored based on the inch and thickness at which the void is formed, the X axis of the graph shown in FIG. , Y-axis represents inches. In addition, the black circle represents the case stored in the case database, and the hatched circle represents the inch and thickness of the MP to be created. Therefore, the black circle closest to the MP to be generated is applied to the design of the MP to be generated. In particular, the distance between the MP and the case to be generated is calculated according to the Euclidean distance calculation formula, which is as follows.
[32]
[33] Here, {D} _ {n, j} represents the distance between the MP to be created, that is, the new case {x} _ {n} and the i th case {x} _ {i} of the stored cases.
[34] In the fifth step, the portion where the pore size of the SM is formed is designed for the effective surface. That is, the size of the pore formed in the two MPs (one side and two side) is designed according to the cases and rules stored in the case database and the rule database. This is called MP design and the same as performing the actual design, but the MP designer has the advantage of checking the problem in advance by changing the specification input in the second step. The MP design is basically carried out by the rules stored in the rules database, and other designs are optionally used in the case. In addition, the MP designed at this stage is stored in the case database as a new case.
[35] For reference, FIGS. 4 and 5 show data structures of a case database and a rule database according to the present invention. As necessary, items of data stored in the data structure can be increased or decreased.
[36] In the sixth and seventh steps of FIG. 2, when the design is automatically completed in the second to fifth steps, the drawing is reviewed and judged as to how the result is appropriately matched to the customer's request as the actual design is performed. (S6, S7)
[37] If there is no abnormality in the designed MP when judged in the seventh step, the process proceeds to the eighth step, and in the eighth step, it is determined whether the result has exceeded a manufacturing limit or there is a problem in securing quality and yield. (S8)
[38] If it is determined that there is a problem in the seventh and eighth steps, the process returns to the second step and the MP is designed again according to the present invention.
[39] On the other hand, if it is determined that there is no problem in the eighth step, the design drawing of the MP is determined in the ninth step. (S9)
[40] 6 shows a flowchart in which the MP designer and the SP designer share information in the MP design system according to the present invention. Particularly, in the MP design system according to the present invention, the accessor accessing the server is classified according to the class so that the documents that are directly related to the MP design can be viewed so that all the materials related to the design can be stored in the design document library. When registering data in the general library, classify the data to be viewed by accessor level.
[41] First, in step 11, the client accesses the server. (S11)
[42] In a twelfth step, the server compares the ID or IP address of the accessor with the registered ID or IP address. Here, the server has a user information database for storing information graded for each user who uses the server, and determines whether the accessor is an MP designer according to the information stored in the user information database.
[43] In step 13, if the logged-in ID or IP address is the same as the ID or IP address stored in the user information database, the server knows that the accessor is the MP designer, and accordingly, all the data stored in the library is sent to the MP designer. Open. (S13)
[44] On the other hand, in step 14, if the logged-in ID or IP address is not the same as the ID or IP address stored in the user information database, the server knows that the accessor is a general user, only the information that can be shared to all the general user Open to. In particular, if the general user is a user of the CDT manufacturer, the information on the SM and MP manufactured for each CDT is stored so that the user of the CDT manufacturer can access the corresponding SM and MP. do.
[45] The master pattern design system and its design method used in the design of the shadow mask of the present invention configured as described above are composed of a client server system implemented on the Internet so that the designers of the shadow mask and the master pattern share cases stored in the server. In addition, the master pattern can be automatically designed, and the drawing review time can be shortened, the drawing review accuracy can be reduced, the cost of failure can be reduced, and the drawing review can be made quickly, so that the utilization of personnel is maximized and the shadow mask designer Communication between the master and the master pattern designer can be expected to secure reliability and increase trust with customers.

权利要求:
Claims (14)
[1" claim-type="Currently amended] A client that allows a designer of a master pattern used when designing a shadow mask to input information about a specification of the shadow mask and review a master pattern automatically designed according to the specification;
Master pattern design system comprising a server for analyzing the specifications input by the designer according to the stored master pattern and the rules of the master pattern and automatically designing the master pattern according to the analysis result .
[2" claim-type="Currently amended] The method of claim 1,
The server may be configured to determine whether the accessor is the designer of the master pattern through a login ID or an IP address of the accessor accessing the server, and the non-designer accessor may access only information related to the accessor. Master pattern design system characterized by.
[3" claim-type="Currently amended] The method of claim 1,
The master pattern design system includes a production information database in which information about a master pattern produced is stored so that the designer can predict a production yield of a master pattern to be mass-produced through the server; It further comprises a quality information database that stores information about the quality of the master pattern,
If the designer wants to predict the production yield, the server exchanges data with the production information database and the quality information database and performs calculation based on the exchanged data to predict the production yield and to predict the production yield. Master pattern design system, characterized in that for transmitting information about the client.
[4" claim-type="Currently amended] The method of claim 1,
The server may include a case database in which data regarding cases of a plurality of master patterns is stored; The master pattern design system, characterized in that it comprises a rule database that stores data about the specification of the master pattern.
[5" claim-type="Currently amended] The method of claim 4, wherein
And the server is configured to design a master pattern by applying the specifications input by the designer to the design rule of the master pattern stored in the rule database.
The master pattern design system, characterized in that configured to design a mask pattern based on the case having the most similar specifications compared to the cases stored in the case database.
[6" claim-type="Currently amended] The method of claim 4, wherein
And the server is configured to design a master pattern based on a case having the most similar specifications by comparing the specifications input by the designer with the cases stored in the case database.
[7" claim-type="Currently amended] The method according to claim 5 or 6,
The server is a master pattern design system, characterized in that configured to store information about the newly designed master pattern in the case database according to the specifications input by the designer.
[8" claim-type="Currently amended] A first step of changing a specification of a shadow mask to be designed into pore information for each shadow mask coordinate;
And a second step of designing a master pattern used when designing a shadow mask according to the changed pore information in the first step.
The master pattern design method of the master pattern design method characterized in that for repeating the first and second steps until the required master pattern is designed.
[9" claim-type="Currently amended] The method of claim 8,
In the first step, if the specification of the shadow mask is given by a mathematical formula, the master pattern design method, characterized in that for converting the mathematical formula to the diameter information consisting of the diameter size of the coordinates.
[10" claim-type="Currently amended] The method of claim 9,
The mask pattern design method, characterized in that the equation is given by the X, Y relationship so that the diameter of the pore formed in the shadow mask in the first step is expressed according to the X, Y coordinates in which the pore is formed.
[11" claim-type="Currently amended] The method of claim 8,
The second step may include comparing the pore information converted in the first step with a plurality of stored shadow mask pore information.
The master pattern design method, characterized in that the model information of the shadow mask having the most similar pore information of the transformed pore information of the plurality of shadow mask model information is applied to the design of the master pattern.
[12" claim-type="Currently amended] The method of claim 11,
In the second step, the model information includes information on a line and a material used in the manufacture of a shadow mask, and information on how many sheets the shadow mask is made of.
[13" claim-type="Currently amended] The method of claim 11,
The second step includes the step of determining the size of the pore formed in the master pattern according to the model information of the shadow mask having the most similar pore information and the converted pore information,
Master pattern design method characterized in that the design of the master pattern is completed as the pore size is determined.
[14" claim-type="Currently amended] The method of claim 11,
The master pattern design method includes a database of the pore size and model information of the master pattern designed in the second step,
The master pattern design method characterized in that the information of the database master pattern can be applied to the design of the later master pattern.

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同族专利:

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引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2001-12-21|Application filed by 엘지전자 주식회사

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2001-12-21|Priority to KR1020010082405A

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2003-06-27|Publication of KR20030052443A

优先权:

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申请号 | 申请日 | 专利标题

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KR1020010082405A|KR20030052443A|2001-12-21|2001-12-21|Master Pattern Designing System and Method for the Same|