JPS5832484A - Composite printed board - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a printed circuit board, and more particularly to a composite printed circuit board in which a plurality of printed circuit boards for each function used in electronic equipment are integrated via an auxiliary board.

Conventionally, electronic devices consisting of multiple printed circuit boards have been manufactured by preparing printed circuit boards dedicated to each function, inserting components into these independently divided circuit boards, applying an auto cutter, and then soldering. After soldering the circuit board and the pattern of the printed circuit board, mechanical and electrical inspection and adjustment were performed for each printed circuit board for each function. After installing these printed circuit boards into the equipment housing and wiring between the printed circuit boards, the equipment was again subjected to comprehensive mechanical and electrical inspection and adjustment.

However, with this conventional method, since electronic devices are made up of multiple types of printed circuit boards, it is difficult to insert parts or use an auto cutter due to the differences in the shape and number of parts of the printed circuit boards for each function. There is a drawback that there is a difference in assembly man-hours when hanging or dipping, and the processing capacity cannot be balanced. In addition, if each printed circuit board is mechanically and electrically inspected and adjusted individually, and then assembled and wired into the equipment case, the correlation between each printed circuit board may not be established, resulting in mechanical defects or electrical failures. There is a risk that a malfunction may occur, and another inconvenience arises in that adjustment is required, resulting in an increase in unnecessary repair and adjustment man-hours. Furthermore, since each printed circuit board is individually inspected and adjusted for each function, many inspection measuring instruments and adjustment jigs are required.
Another drawback was that it was difficult to manufacture jigs and the like.

The present invention was proposed to eliminate the drawbacks of conventional printed circuit boards as described above, and its purpose is to:
An object of the present invention is to provide a composite printed circuit board that reduces redundant inspection and redundant adjustment work by integrating a plurality of printed circuit boards for each function used in one device via an auxiliary board.

Hereinafter, the present invention will be explained in detail with reference to embodiments shown in FIGS. 1 to 4.

On the pattern surface of the composite printed circuit board 1 in electronic equipment, there are circuits for each function - differentiated block boards 2.3.4
．． 5.6.7 are arranged, and each block board 2
．． 3.4.5, 6.7 An auxiliary substrate 8 is formed between each other. Then, this auxiliary board 8 and each block board 2
．． 3. On the boundary line between 4.5° and 6.7°, perforation-like small holes 9 are continuously provided, and each block board 2. ,3.4,
5°6.7 is cut along this small hole 9. The auxiliary board 8 also includes each block board 2.3.
4.5.6.7 mutual input signals, output signals, power supply,
A pattern 10 is provided to connect each line such as ground. The auxiliary substrate 8 has a width sufficient for the pattern 10 to pass through.

Next, a method of using the composite printed circuit board of the present invention having the above-described configuration will be explained.

First, after inserting a predetermined component into a predetermined position on the component surface of each block board 2.3, 4.5.6.7 arranged on the composite printed circuit board 1, the lead of the component is cut by an automatic cutter. The excess wire is cut off, and the solder ml is then tapped to solder the parts and the pattern. Next, the composite printed circuit board 1 is checked and adjusted for quality in the same manner as the product using an electrical inspection jig and measuring equipment.

After the quality check and adjustment are completed, the composite printed circuit board 1 is transferred to each block board 2 according to its function.
5, 6.7, it is separated from the auxiliary substrate 8 along the perforated small holes 9. At this time, each block board 2.3, 4.5.6
．． The pattern 10 connecting 7 will also be separated. Each separated block substrate 2, 3.4.5.
6.7 into the device housing, wire to connect each block board, and finally simple overall operation 11
The product is completed by performing m.

As described above, according to the composite printed circuit board of the present invention;
Because multiple printed circuit boards incorporated into electronic equipment are comprehensively connected on one composite printed circuit board,
Operations such as parts insertion, auto cutter and depping can be performed efficiently. That is, since there is no difference in the number of steps required to assemble each board, the processing capacity can be balanced. In addition, the performance of inspection and adjustment obtained in the state of composite printed circuit boards is guaranteed even when each block board is assembled into equipment and wired, so the inspection and adjustment that was conventionally performed for each block board is no longer necessary. Therefore, there is an effect that the number of man-hours for inspection and adjustment is reduced. Accordingly, the number of measuring instruments used for inspection and adjustment can be reduced, and the adjustment jig can also be manufactured easily.

Next, a second embodiment of the present invention will be described.

In the present invention, the perforation-like small holes for separation are not limited to the periphery of the block board, but are also provided on the composite printed board as shown in the second embodiment of FIG. Perforation-like small holes 12 for cutting may be provided at necessary locations to efficiently separate the block substrate without damaging it during the step of dividing the block substrate.

That is, when removing the block board according to FIG.
After separating A-darkness, separate B-8-, and then c-c
After cutting off the board 2 and 2 and then cutting off the board DD, two block boards 2 and 3 can be removed from the left half. Thereafter, the block substrate 4 can be removed by separating the E-E-. And F−F=
After separating the gap and G-G-dark, 70 pieces of substrate 6 can be obtained by separating the gap between H-H. Next, the block board 5 is removed by separating between I-1'' and J-J-, and finally between C'
The block substrate 7 can be removed by separating it between - and -.

If the cutting operation is performed according to the above-described setup, each block substrate can be separated smoothly since there is no need to stop the cut midway or make a curved cut during cutting.

Incidentally, the perforated small holes provided at the boundary between the block board and the auxiliary board are small holes 9 and long holes 11, as shown in FIG.
It may also be a combination of

[Brief explanation of the drawing]

FIG. 1 is a plan view of the composite printed circuit board of the present invention as seen from the pattern surface, FIG. 2 is a perspective view showing the composite printed circuit board of the present invention in a separated state, and FIG. 3 is a perspective view similarly showing the wiring state. FIG. 4 is a plan view showing a second embodiment of the present invention. 1... Composite printed circuit board, 2.3.4, 5.6°7.
...Block board, 8...Auxiliary board, 9...Small hole,
10... Pattern, 11... Long hole, 12... Small hole.

Claims (3)

[Claims] (1) In electronic equipment composed of multiple printed circuit boards, block boards for each function are divided on the board,
An auxiliary board is provided between each block board, and a conductor is provided on this auxiliary board to electrically connect each block board, and a boundary between each block board and the auxiliary board is provided. A composite printed circuit board characterized in that small holes are arranged in a row to assist in separating each block board. (2) The composite printed circuit board according to claim 1, wherein small holes for assisting separation are also provided in the auxiliary board. (3) The composite printed circuit board according to claim 1 or 2, wherein long holes are arranged alternately with small holes for assisting separation.