TWI447596B - Loss calculation system and method - Google Patents

Description

Loss calculation system and loss calculation method

The invention relates to loss metering, in particular to a loss calculation system and a loss calculation method which can conveniently obtain loss information.

With the advancement of science and technology, printed circuit boards have been widely used in electronic products. For application of the circuit board, please refer to the literature Takahashi, A. Ooki, N. Nagai, A. Akahoshi, H. Mukoh, A. Wajima, M. Res. Lab, High density multilayer printed circuit board for HITAC M-880, IEEE Trans On Components, Packaging, and Manufacturing Technology, 1992, 15(4): 418-425.

Circuit boards are typically fabricated from copper-clad substrates, copper foil, film, and other materials through a variety of processes, each of which is typically lost in each process. For example, a copper clad substrate needs to be cut into a plurality of circuit board units, and corner scraps are generated during the cutting process, which is the amount of loss. When calculating the manufacturing cost of the board, it is necessary to calculate the amount of loss of each material in the board in each process. Moreover, when the production circuit board needs to be exported, it is also necessary to declare the amount of loss. However, when the actual amount of loss is calculated, since each material needs to go through a complex process, the calculation method of the loss amount of each process is different. Therefore, the calculation of the amount of loss on the board is very cumbersome and error-prone.

In view of this, it is necessary to provide a loss calculation system and a loss calculation method that can obtain loss information faster and more accurately.

A circuit board and a method of fabricating the same will be described below by way of embodiments.

A loss calculation system includes a storage module, an information acquisition module, a lookup module, a decision module, a calculation module, and an output module. The storage module is configured to store a production parameter list and a material table of the plurality of item numbers, and the production parameter list of each item number includes production parameters of the plurality of materials, and the material table of each item number includes the process of the plurality of materials. News. The information acquisition module is configured to obtain a material number input from the input device and a production parameter related to the material number. The search module is configured to search the storage module for a production parameter list and a material list related to the item number obtained by the information acquisition module. The determining module is configured to determine whether the production parameters in the production parameter list obtained by the search module and the production parameters acquired by the information acquisition module from the input device meet the requirements of the calculation module. The calculation module is configured to calculate, according to the obtained material table and the obtained production parameters related to the item number, the loss information of each material in each process according to the obtained material list. . The output module is configured to output loss information calculated by the calculation module.

A loss calculation method includes the steps of: obtaining a material number input from an input device and a production parameter related to the material number; searching a storage module for a production parameter list and a material table related to the obtained material number, each material number The production parameter list includes production parameters of the plurality of materials, and the material table of each material number includes process information of the plurality of materials; determining the production parameters and the information acquisition module from the input device in the production parameter list found by the storage module Obtaining the production parameters satisfying the calculation requirement; when the determination is yes, calculating the loss information of each material of the material number in each process according to the obtained material table and the obtained production parameters related to the material number, And outputting the calculated loss information; and when the determination is no, outputting display information having a meaning that cannot be calculated.

The loss calculation system and the loss calculation method of the technical solution have the following advantages: the storage module, the search module, the determination module and the calculation module can automatically obtain the loss information related to the input item number, thus avoiding artificial The complex calculation and the interference of human factors can not only obtain the calculation results more quickly, but also make the calculation results more accurate.

The circuit board provided by the technical solution and the manufacturing method thereof will be further described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1 , the loss calculation system 10 provided by the embodiment of the present technical solution may be constructed in one or a plurality of computers 100. The one or more computers 100 are connected to an input device 102 through a data line, and an output device 104. Connected. The input device 102 can be a keyboard, a mouse, a touch screen, etc., for the user to input information and commands into the computer 100. The output device 104 can be a display screen for displaying output information of the computer 100.

The loss calculation system 10 is used to calculate the losses that the workpiece requires in each step of the production process. The workpiece can be a circuit board or other component. The loss calculation system 10 includes a storage module 11, an information acquisition module 12, a search module 13, a determination module 14, a calculation module 15, and an output module 16.

The storage module 11 is configured to store a production parameter list of the plurality of item numbers and a material table of the plurality of item numbers. The production parameter list of each item number includes the production parameters of the plurality of materials related to the item number, and the material list of each item number includes the plurality of materials related to the item number and the process information of the plurality of materials. The storage module 11 includes a first storage sub-module 111 and a second storage sub-module 112. The first storage sub-module 111 stores a production parameter list of a plurality of item numbers. The second storage sub-module 112 stores a material table of a plurality of item numbers. The plural number refers to the part number of the workpiece with multiple different process requirements. For example, the circuit board is used as a workpiece. The first storage sub-module 111 can store a manufacturing parameter list of a circuit board with multiple item numbers, and the second storage sub-module 112 can store a circuit board with multiple material numbers. Material list. The manufacturing parameters in the manufacturing parameter list of the circuit board include the size of the copper-clad substrate, the number of cut pieces of the copper-clad substrate, the area of the etched copper surface, and the like. The material list of the circuit board includes copper-clad substrate, copper foil, glue layer, solder-proof ink and other materials and the production process of each material. For example, the fabrication process of a copper-clad substrate generally includes steps such as panel cutting, image transfer, etching, drilling, and molding. The manufacturing process of the solder resist ink generally includes steps of development, molding, and the like.

The information acquisition module 12 is connected to the input device 102 for acquiring the item number input from the input device 102 and the production parameters. The information acquisition module 12 includes a first acquisition sub-module 121 and a second acquisition sub-module 122. The first obtaining sub-module 121 is configured to obtain an input item number, and the second obtaining sub-module 122 is configured to obtain an input manufacturing parameter, such as thickness information of a certain material related to the item number.

The search module 13 can access the storage module 11 and obtain the production parameters related to the item number obtained by the information acquisition module 12 by comparing the item number obtained by the information acquisition module 12 with the storage data in the storage module 11. List and material list. Specifically, the search module 13 includes a first search sub-module 131 and a second search sub-module 132. The first search sub-module 131 is used to access the first storage sub-module 111 and is in the first storage. The sub-module 111 searches for a list of production parameters of the plurality of materials related to the item number obtained by the information acquisition module 12. The second search sub-module 132 is configured to access the second storage sub-module 112 to find a material table related to the item number obtained by the information acquisition module 12 in the second storage sub-module 112, thereby obtaining information and information. Obtain the plurality of materials related to the item number obtained by the module 12 and the production process of each material.

The determining module 14 is connected to the computing module 15 for determining whether the obtained information, that is, the input information obtained by the information acquiring module 12 and the information found by the searching module 13 meet the requirements of the computing module 15 and When the determination is YES, the calculation module 15 is triggered, and when the determination is negative, the output module 16 is triggered. The calculation module 15 is configured to calculate, according to the obtained material table and the obtained production parameters related to the item number, the calculation module 15 to calculate each of the item numbers acquired by the information acquisition module 12 Material loss information in each process. The obtained production parameters related to the item number include the production parameters in the production parameter list obtained by the search module 13 and the production parameters acquired by the information acquisition module 12 from the input device 102. The calculation module 15 can calculate loss information according to an accurate calculation formula, and can also calculate loss information according to an empirical formula. The loss calculation formula for calculating loss information generally includes a plurality of empirical formulas. The loss calculation formula may be stored in the calculation module 15 or may be stored in the storage module 11, for example, in a material list. The storage location of the loss calculation formula is not limited, and only when the calculation module 15 is running, these loss calculation formulas can be accessed and associated. For example, the calculation formula of the loss amount of copper foil in the molding process is: loss amount = residual copper area of the corner material × (layer copper foil thickness - copper reduction thickness (mil) / 1000) × (use multiple) × (0.145992 ÷ Each piece contains the number of circuit board units). In the formula, the value of the residual copper area, the thickness of the copper reduction, the multiple of use, and the number of circuit board units per piece can be found by the search module 13 from the storage module 11, and the thickness of the layer copper foil is determined. The value can be input by the user from the input device 102 and obtained by the second acquisition sub-module 122.

The calculation module 15 performs the calculation step according to the item number and the production parameter obtained by the information acquisition module 12 and the production parameter list and the material table found by the search module 13 and associates the loss calculation formula related to the item number, thereby performing the calculation step and calculating The loss information of each material in the item number in each process is obtained. Of course, before the calculation module 15 performs the calculation, the determination module 14 determines whether each of the production parameter values in the loss calculation formula used for calculating the loss is complete, and triggers the calculation module 15 to perform calculation when it is ready. After the calculation module 15 calculates the loss information of the item number, the calculation module 15 triggers the output module 16. The output module 16 is configured to output information to the output device 104. When triggered by the determination module 14, that is, when the production parameter values in the loss calculation formula are not complete, the output module 16 outputs a text box or display window having "unable to calculate", "fault" or the like to the output device 104. . When triggered by the computing module 15, the calculation result of the calculation module 15 is obtained and the calculation result is output to the output device 104. The calculation result, that is, the loss information of the item number can be displayed in the form of a text box or a list.

Referring to FIG. 2, the technical solution further provides a method for calculating loss by using the loss calculation system 10, including the steps:

S1. The information acquisition module 12 acquires the item number and the production parameter input from the input device 102. The information acquisition module 12 acquires the input information together with the second acquisition sub-module 122 through the first acquisition sub-module 121.

S2, the search module 13 searches the storage module 11 for the production parameter list and the material list related to the item number obtained by the information acquisition module 12.

Certainly, those skilled in the art can understand that before the step S2, the loss calculation method further includes the steps of: constructing one of the storage modules 11; and storing a list of production parameters of the plurality of item numbers in the storage module 11 and The material list, the production parameter list of each item number includes the production parameters of the plurality of materials, and the material table of each item number includes the process information of the plurality of materials, as described above.

S3. The determining module 14 determines whether the obtained production parameter related to the item number acquired by the information acquiring module 12 satisfies the calculation requirement. The obtained production parameters include the production parameters acquired by the second acquisition sub-module 122 of the information acquisition module 12 from the input device 102 and the production parameters found by the first search sub-module 131 of the search module 13 in the storage module 11. Production parameters in the list. When the determination module 14 determines that the determination is YES, the calculation module 15 is triggered, and when the determination is negative, the output module 16 is triggered.

S4, when the determination is YES, the calculation module 15 accesses the calculation formula and associates the calculation formula to calculate loss information according to the obtained material table and the obtained production parameters related to the item number, that is, the item number Each material involved is depleted in each process. The output module 16 outputs these calculation results to the output device 104, that is, outputs the loss information.

S5. When the determination is no, the output module 16 outputs display information having an uncalculated meaning to the output device 104. For example, a text box or display window that displays "cannot be calculated", "fault", or the like is displayed.

The loss calculation system and the loss calculation method of the technical solution have the following advantages: the storage module, the search module, the determination module and the calculation module can automatically obtain the loss information related to the input item number, thus avoiding artificial The complex calculation and the interference of human factors can not only obtain the calculation results more quickly, but also make the calculation results more accurate.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10. . . Loss calculation system

100. . . computer

102. . . Input device

104. . . Output device

11. . . Storage module

12. . . Information acquisition module

13. . . Search module

14. . . Decision module

15. . . Computing module

16. . . Output module

111. . . First storage submodule

112. . . Second storage submodule

121. . . First acquisition submodule

122. . . Second acquisition submodule

131. . . First lookup submodule

132. . . Second lookup submodule

FIG. 1 is a schematic diagram of a module of a loss calculation system provided by an embodiment of the present technical solution.

FIG. 2 is a schematic flow chart of a loss calculation method provided by an embodiment of the present technical solution.

Claims (10)

A loss calculation system includes a storage module, an information acquisition module, a search module, a determination module, a calculation module, and an output module, wherein the storage module is configured to store a production parameter list and a material list of the plurality of item numbers. The production parameter list of each item number includes production parameters of the plurality of materials, and the material table of each item number includes process information of the plurality of materials, and the information acquisition module is configured to obtain the item number input from the input device and And the production parameter related to the item number, wherein the searching module is configured to search, in the storage module, a production parameter list and a material list related to the item number obtained by the information acquisition module, and the determination module is used to determine the search mode. The production parameters in the production parameter list obtained by the group and the production parameters obtained by the information acquisition module from the input device satisfy the requirements of the calculation module, and the calculation module is used to determine the material according to the obtained material when the determination module determines that it is YES. The table and the obtained production parameters related to the item number calculate loss information of each material of the item number in each process, and the output module is used for outputting a calculation mode. To calculate the loss of information. The loss calculation system of claim 1, wherein the determination module triggers the calculation module when the determination is yes, and triggers the output module when the determination is no, the output module is further used for When triggered by the decision module, the output has information that cannot be calculated. The loss calculation system of claim 1, wherein the calculation module calculates the loss information of each material of the item number in each process according to the calculation formula. The loss calculation system of claim 3, wherein the calculation formula is stored in a material list. The loss calculation system of claim 1, wherein the storage module comprises a first storage sub-module and a second storage sub-module, and the first storage sub-module stores the plurality of item numbers. The second storage sub-module stores the material list of the plurality of item numbers, the search module includes a first search sub-module and a second search sub-module, and the first search sub-module And accessing the first storage sub-module, and searching, in the first storage sub-module, a production parameter list related to the item number obtained by the information acquisition module, where the second search sub-module is used to access the second storage sub-module Grouping, and searching for a material table related to the item number obtained by the information acquisition module in the second storage sub-module. A loss calculation method, including the steps:
Obtaining a material number input from the input device and a production parameter related to the material number;
In the storage module, the production parameter list and the material list related to the obtained material number are searched, and the production parameter list of each material number includes the production parameters of the plurality of materials, and the material table of each material number includes the process information of the plurality of materials. ;
Determining whether the production parameters in the production parameter list found by the storage module and the production parameters acquired by the information acquisition module from the input device meet the calculation requirements;
When the determination is yes, calculating the loss information of each material of the item number in each process according to the obtained material table and the obtained production parameter related to the item number, and outputting the calculated loss information; When the determination is no, the display information having a meaning that cannot be calculated is output. The loss calculation method according to claim 6, wherein the loss calculation method further comprises the following steps: before the storage module searches for the production parameter list and the material table related to the obtained material number:
Constructing a storage module; and storing a production parameter list and a material list of the plurality of item numbers in the storage module. The loss calculation method according to claim 6, wherein the calculation formula is associated with a calculation module, and the item number is calculated according to the obtained material table and the obtained production parameters related to the item number. Loss of information for each material in each process. The loss calculation method according to claim 8, wherein the calculation formula is stored in a material table, and the calculation module accesses the material table to associate the calculation formula. The loss calculation method of claim 8, wherein the calculation formula is stored in a storage module, and the calculation module accesses the storage module to associate a calculation formula.