JPH04139788A - Manufacture of wiring board - Google Patents

Abstract

PURPOSE:To reduce manufacturing cost, by simultaneously forming type number indications in the forming process of a conducting part, simultaneously printing the type number indications in the process of resist printing, and easily confirming whether the indications are correct by visual inspection. CONSTITUTION:At the same time when a conducting part 15 is formed on a wiring board 10 by using conductive material, type number indications 16 are formed at auxiliary board parts 14 on the same surface by using the same material. At the same time when resist 18 is printed on the board 10, type number indications 19 are formed at the auxiliary board parts 14 on the same surface by resist printing. By comparing the indications 16 and 19 formed on the auxiliary board part 14 by visual observation, it can be confirmed that the conducting part 15 and the print 18 are correctly and coincidently formed, so that the comparison using a drawing is unnecessitated. By silk printing, parts indications 21 using characters and symbols are printed and formed at connection positions of electronic parts, and at the same time, type number indications 22 using characters and symbols are formed on the board 10. By comparing the indications 16, 19 and 20 by visual observation, it can be confirmed that the parts indications 22 also are correctly formed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a method of manufacturing a wiring board, such as a circuit board for a discharge lamp lighting circuit for an inverter type ballast, for example.

(Prior art) As shown in FIG. 3, this type of conventional wiring board has three boards 1 arranged in series, and auxiliary board parts 2 are removably mounted on both sides of the arranged wiring boards 1. A reference hole 3 for an automatic electrical component insertion machine and an automatic mounting machine is formed in one of the auxiliary board parts 2, and a punchable auxiliary board part 4 is formed in the part into which the ferrite core is inserted. has been done. Then, a conductive part 5 is formed on the connected substrate 1 by copper foil etching, and after resist printing is performed on the substrate 1, a model number indication 7 is printed along with indications such as the parts indication 6 by silk printing. I try to do that.

(Problems to be Solved by the Invention) In the above conventional method, at the end of the copper foil etching process,
And at the end of resist printing, it is necessary to check whether the copper foil etching and resist printing are correct or not, respectively, by comparing them with drawings or using jigs, which requires a large number of manufacturing steps. There was a problem of high costs.

The present invention has been developed in view of the above-mentioned problems.The model number display is simultaneously formed in the process of forming the conductive part, and the model number display is printed simultaneously in the resist printing process, making it possible to easily check whether the model number is correct or not through visual inspection. , provides a method of manufacturing a wiring board that can reduce the cost of the manufacturing process. .

[Structure of the invention]

(Means for Solving the Problems) In the method for manufacturing a wiring board of the present invention, at the same time a conductive part is formed on a wiring board using a conductive material, a model number is formed on the same surface with the same conductive material on which the conductive part is formed. A display is formed, and a model number display is formed by resist printing on the same surface at the same time as resist printing on the wiring board on which the conductive portion is printed.

(Function) In the method for manufacturing a wiring board of the present invention, at the same time as a conductive part is formed on the wiring board using a conductive material, a type indication is formed on the same surface with the same conductive material as the conductive surface, and At the same time as the resist printing, a model number display is formed on the same side of the wiring board on which the conductive part is printed, and the model number display formed at the same time as the formation of this conductive part and the model number display printed at the same time as the resist printing are distinguished. By comparing them, it can be determined whether the conductive portion and the resist printing match, and the workability of the manufacturing process can be improved.

(Example) The configuration of an embodiment of the present invention will be explained with reference to FIG.

IO is a wiring board such as a circuit board for a discharge lamp lighting circuit for an inverter-type ballast, and three wiring boards 10 are detachably installed in series, and auxiliary board parts 11. +2 are removably connected. Then, a reference hole 13 for an automatic electronic component insertion machine and an automatic mounting machine is formed in one of the auxiliary board parts 11,
Further, each substrate 10 is formed with a punchable auxiliary substrate portion 14 at a portion into which a ferrite core is inserted. Each of the auxiliary board parts 11, 12, and 14 is designed to be removed when components are mounted.

Then, a conductive part 15 is formed on one side of each of the connected boards 10 by copper foil etching, and at the same time as the conductive part 15 is formed, a model number 16 in the form of letters, symbols, etc. is written on the auxiliary board part 14. Formed by foil etching.

Furthermore, resist printing 18 is performed on the same side of each substrate 10 on which the conductive portion 15 is formed. Simultaneously with this resist printing 18, a model number display 19 using letters and symbols is formed by resist printing.

Next, a component display 21 is printed and formed at the connection position of the electrical component using characters, symbols, etc. by silk printing, and at the same time as this silk printing, a model number display 22 using characters, symbols, etc. is also formed on the wiring board 10 by silk printing. .

Next, the operation of this embodiment will be explained.

At the same time as the conductive portion 15 is formed on the wiring board 10 using a conductive material, a model number indication 16 is formed using the same conductive material on the auxiliary substrate portion 14 on the same surface as the surface on which the conductive portion 15 is formed.

Simultaneously with resist printing 18 on the wiring board 10 on which the conductive portion 15 is printed, a model number indication I9 is formed by resist printing on the auxiliary substrate portion 14 on the same side. In this state,
By visually comparing the copper foil etched model number 16 formed on the auxiliary board part 14 and the silk-printed model number 19, it was confirmed that the conductive part 15 and the resist print 18 were formed in correct alignment. This eliminates the need for cross-checking with drawings, etc.

Furthermore, a component display 21 is printed and formed at the connection position of the electrical component using characters, symbols, etc. by silk printing, and at the same time, a model number display 22 using characters, symbols, etc. is formed on the wiring board lO by silk printing. Ru. Therefore, by visually comparing the copper foil etched model number 16 with the silk-printed model number 19 and the silk-printed model number 22, it was confirmed that the part number 22 was also formed correctly by silk-printing. can.

Then, after punching out the auxiliary board part 14 of the part of each interconnected wiring board 10 into which the ferrite core is inserted, the reference hole of the auxiliary board part 11 is inserted into the reference hole of the automatic electronic component insertion machine or the automatic mounting machine. Attach it to the pins and mount the electronic components. Then, by separating each wiring board and removing the auxiliary board parts II and 12, the wiring board is completed!
A mounting circuit is formed on 0.

Furthermore, in the above embodiment, a method was described in which a model number display 16 using letters, symbols, etc., was formed by copper foil etching on each of the auxiliary board portions I4, and a model number display I9 using characters, symbols, etc., was formed by resist printing. However,
Upper and lower auxiliary substrates 11. It is also possible to form a model number display by copper foil etching, a model number display by resist printing, and a model number display by silk printing on either or both of 12.

Furthermore, as shown in FIG. 2, in addition to the model number display 16 formed by copper foil etching and the model number display 19 formed by resist printing, a model number display 23 formed by copper foil etching on the auxiliary board portion 11;
The model number display 24 by resist printing and the model number display 25 by silkscreen printing 25 can also be formed using a bar code.

And model number display 16. By forming the model number 23.24.25 in addition to I7.19.20 as a barcode, this circuit board 10 can be automatically etched with a conductive part 15 by copper foil etching and resist printing 1 by a barcode reader.
It can be determined whether or not 8 has been formed correctly, and furthermore, if an automatic insertion machine or an automatic mounting machine equipped with a barcode reader is used, the process work becomes easier.

〔Effect of the invention〕

According to the present invention, at the same time as a conductive part is formed on a wiring board using a conductive material, a model number indication is formed on the same surface using the same conductive material as the conductive surface, and the wiring board on which this conductive part is printed is formed. At the same time as the resist printing, a model number display is formed on the opposite side by resist printing, and if you compare the model number display formed at the same time as the formation of this conductive part with the model number display printed at the same time as the resist printing, the conductive It is possible to determine whether or not the conductive part and the resist printing match, and whether the conductive part and the resist printing are correct can be easily confirmed by visual inspection, and the cost of the manufacturing process can be reduced.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the wiring board manufacturing method of the present invention, FIG. 2 is a front view showing another embodiment of the wiring board manufacturing method of the invention, and FIG. 3 is a front view showing an embodiment of the wiring board manufacturing method of the invention. FIG. 3 is a front view of the wiring board. 10. Wiring board, 15. Conductive part, 16°19° model number display, 18. Resist printing.

Claims (1)

[Claims] (1) At the same time as a conductive part is formed on the wiring board using a conductive material, a model number is formed on the same surface with the same conductive material on which the conductive part is formed, and resist printing is performed on the wiring board on which the conductive part is printed. A method of manufacturing a wiring board, characterized by simultaneously forming a model number display on the same surface by resist printing.