JP2002026467A - Electronic circuit board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress the flexure of an electronic circuit board low to prevent electronic components flat-mounted on the electronic circuit board from breaking and make the handling of the electronic circuit board convenient. SOLUTION: Reinforcing members 200 are laid on end portions of the upside and the downside of an electronic circuit board 100a and fixed by the adhering or other method to suppress the flexure of the electronic circuit board 100a low.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an electronic circuit board on which electronic components are surface-mounted.

[0002]

2. Description of the Related Art FIG. 12 is a view showing an electronic circuit board according to a conventional technique, and FIG. 12A is a perspective view showing a state in which an electronic component 101a is surface-mounted on an upper surface of an electronic circuit board 100. FIG. 12B is a cross-sectional view showing a case where a large deflection has occurred in the electronic circuit board 100 on which the electronic component 101a is surface-mounted. As shown in FIG.
If the electronic circuit board 100 is significantly bent after the electronic component 101a is surface-mounted, the electronic component 101a may be damaged. Therefore, it was necessary to handle the electronic circuit board 100 carefully.

[0003] Further, as a document showing another conventional technique,
DIA CAP (MDC) chip type of Mitsubishi Materials
There is a catalog of multilayer ceramic capacitor, and on page 11 of this catalog, notes on use and mounting description indicate that the deflection of the mounting substrate causes chip cracking and cracking. In the same column, a diagram in which the end of the electronic circuit board is supported by a board guide at the time of mounting is shown, but this board guide is a member for holding the board used only at the time of mounting, and is used for the electronic circuit board. It is not fixed and is not used to reinforce the board after mounting.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is intended to prevent the bending of an electronic circuit board to prevent the destruction of electronic components, thereby preventing the electronic components from being broken. It is an object of the present invention to improve the reliability of a circuit board and to obtain an electronic circuit board that is easy to handle.

[0005]

An electronic circuit board according to the present invention has a reinforcing member fixed to an electronic circuit board on which electronic components are surface-mounted.

In the electronic circuit board according to the present invention, the reinforcing member is a member having a flat surface extending in one or more directions in the above structure, and the upper surface or the rear surface of the electronic circuit substrate, or both surfaces thereof In this case, the flat part of the reinforcing material is bonded and fixed.

[0007] Further, the electronic circuit board according to the present invention comprises:
In the configuration as described above, the reinforcing material is a member extending in one or more directions provided with a groove corresponding to the thickness of the electronic circuit board, and the end of the electronic circuit board is formed in the groove of the reinforcing material. It was fitted and fixed with adhesive.

Further, in the electronic circuit board according to the present invention, in the above configuration, the reinforcing member is formed of an insulating member.

Further, an electronic circuit board according to the present invention comprises:
In the above configuration, the reinforcing member has a shape surrounding the outer periphery of the electronic circuit board, is formed of a conductive member, and is grounded.

The electronic circuit board according to the present invention may further comprise, in addition to the above-described configuration, a hole penetrating a reinforcing material attached to the upper surface, the rear surface, or both surfaces of the electronic circuit substrate. Then, the reinforcing material is fixed to the electronic circuit board through a mounting member.

Further, the electronic circuit board according to the present invention comprises:
In the above configuration, the reinforcing member is formed of four members extending in one direction provided with a groove corresponding to the thickness of the electronic circuit board, and the electronic circuit board is formed so as to surround four sides of the outer periphery of the electronic circuit board. Are inserted into the grooves of the reinforcing member, and the reinforcing members adjacent to each other at four corners of the electronic circuit board are fixed by screws.

Further, in the electronic circuit board according to the present invention, in the above configuration, the reinforcing member is a conductive member,
The zero potential pattern provided on the electronic circuit board is electrically connected to the reinforcing material.

Further, an electronic circuit board according to the present invention comprises:
In the above configuration, the reinforcing member is a conductive member having a plane extending in one or more directions, a conductive member having a partially formed convex portion, and a hole provided through the electronic circuit board. The projection is fitted to the portion, the flat surface of the reinforcing material and the upper surface of the electronic circuit board are aligned, and the projection protruding to the back side of the electronic circuit board is soldered to the electronic circuit board to form the electronic component. It is to be fixed to a circuit board.

In the electronic circuit board according to the present invention, in the above structure, the reinforcing member is constituted by four members extending in one direction provided with a groove corresponding to the thickness of the electronic circuit board. Are connected in advance so that the respective members are rotatable, and the outer four sides of the electronic circuit board are fitted into the grooves of the reinforcing member composed of four members, respectively, and both ends of the continuous reinforcing member Is fixed to fix the reinforcing material to the electronic circuit board.

Further, the electronic circuit board according to the present invention comprises:
In the configuration as described above, the reinforcing material is a frame-shaped member surrounding the outer periphery of the electronic circuit board, and is disposed on the upper surface and the lower surface of the electronic circuit substrate, respectively, and is disposed on the superposed electronic circuit substrate and the upper surface and the lower surface. The reinforcing member is fixed to the electronic circuit board by an attaching member that sandwiches the frame-shaped member.

In the electronic circuit board according to the present invention, in the above configuration, the reinforcing member is a member extending in one direction provided with a groove corresponding to the thickness of the electronic circuit board. A fitting portion fitted to the fixing protrusion provided on the electronic circuit board, and the fixing protrusion of the electronic circuit board is fitted to the reinforcing material in a state where the end of the electronic circuit board is fitted in the groove of the reinforcing material. By doing so, the reinforcing material is fixed to the electronic circuit board.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 shows an electronic circuit board according to Embodiment 1 of the present invention. FIG. 1A shows an electronic component 101 with an electronic component 101 on the upper surface of an electronic circuit substrate 100a. FIG. 1 is a perspective view showing a case where the device is mounted, and FIG.
(B) is a sectional view showing a sectional structure of an end of the electronic circuit board 100a. Reference numeral 200 denotes the electronic circuit board 100
A reinforcing material is fixed to the end of FIG.

As shown in FIG. 1, the reinforcing member 200 is formed of a member which extends in one direction and has a flat portion for adhering to the surface of the electronic circuit board 100a.
Electronic circuit board 100a
To be sandwiched. As shown in FIG. 1A, a case where the reinforcing material 200 is not used by attaching the reinforcing material 200 to two opposite sides of the four sides forming the end of the electronic circuit board 100a. Compared to the electronic circuit board 1
00a can be suppressed from occurring, and damage to the electronic component 101 to be surface-mounted can be suppressed to a small extent.

The reinforcing member 200 is connected to the electronic circuit board 100.
Regarding the timing of attaching the electronic component 101 to the a, if the reinforcing member 200 is attached before the electronic component 101 is mounted, it is possible to reduce damage depending on the deflection of the electronic circuit board 100a when the electronic component 101 is mounted. Needless to say. Further, even when the reinforcing member 200 is attached to the end of the electronic circuit board 100a after the mounting of the electronic component 101, the subsequent bending of the electronic circuit board 100a can be suppressed to be small. Damage that can be received by the electronic component 101 mounted on the surface can be reduced.

In FIG. 1, the reinforcing member 200 is provided on two opposing sides of the four sides constituting the outer periphery of the electronic circuit board 100a.
Although the case of arranging along the side is illustrated, by arranging the reinforcing material on the other two sides similarly, it is possible to further reduce the deflection of the electronic circuit board 100a. In FIG. 1, the reinforcing member 200 is attached so as to sandwich the end of the electronic circuit board 100a.
A reinforcing material is applied to the center of the electronic circuit board 1a.
Even when a reinforcing material is applied to only the upper surface or the back surface of the electronic circuit board 100a, the deflection of the electronic circuit board 100a can be reduced. In FIG. 1A, the reinforcing member 200 extends in one direction, but it goes without saying that a reinforcing member extending in multiple directions can be used in order to suppress deflection in a plurality of directions.

Embodiment 2 In Embodiment 1 described above, an example is shown in which the reinforcing member 200 is a plate-like member extending in one direction. In Embodiment 2, as shown in FIG. An example is shown in which a reinforcing member 200a is a member extending in one direction provided with a groove 1a corresponding to the thickness of the electronic circuit board 100b, and an end of the electronic circuit board 100b is fitted and fixed to the groove 1a of the reinforcing member 200a. . FIG. 2 (a)
2 is a perspective view of an electronic circuit board according to the second embodiment, and FIG. 2B is a cross-sectional view showing a cross-sectional structure of an end of the electronic circuit board.

As shown in FIG. 2, the end of the electronic circuit board 100b is fitted into the groove 1a of the reinforcing member 200a and is reinforced by an adhesive or the like to suppress the deflection of the electronic circuit board 100b. Is also possible. In FIG. 2A, the reinforcing member 20 extends along two opposing sides of the four sides constituting the outer periphery of the electronic circuit board 100b.
Although the case where 0a is adhered is shown, it goes without saying that it is also possible to use a combination of four reinforcing members 200a so as to completely surround the outer periphery. In FIG. 2A, the reinforcing member 200a extends in one direction, but a reinforcing member extending in two directions, which reinforces two adjacent sides constituting the outer periphery of the electronic circuit board 100b, may be used. Needless to say,

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIG. FIG. 3A is a perspective view of an electronic circuit board according to Embodiment 3 of the present invention.
(B) is a sectional view showing a sectional structure of an end portion of the electronic circuit board. In the second embodiment, the material of the reinforcing member 200a is not particularly limited.
Insulating reinforcing material 201 made of an insulating material
The case where the electronic circuit board 100b is reinforced by using the above will be described. The shape of the insulating reinforcing material 201 is the same as that of the reinforcing material 200a of the second embodiment.

As shown in FIG. 3A, the electronic circuit board 1
In the case where the high-voltage wiring 300 is disposed near the electronic circuit board 100b, the insulating reinforcing material 201
By disposing and fixing, it is possible to improve the insulation between the electronic circuit board 100b and the high-voltage wiring 300. FIG. 3 shows a case where an insulating reinforcing material is used in the second embodiment. However, even when an insulating reinforcing material is used in the first embodiment, the electronic circuit board and the high-voltage wiring are not used. Can be improved in insulation.

Embodiment 4 Next, Embodiment 4 of the present invention will be described with reference to FIG. FIG. 4A is a perspective view of an electronic circuit board according to Embodiment 4 of the present invention.
(B) is a sectional view showing a sectional structure of the electronic circuit board.
In FIG. 4, reference numerals 202a and 202b denote conductive reinforcing members made of a conductive substance, extend in one direction, have grooves 1a corresponding to the thickness of the electronic circuit board 100b, and extend along the outer periphery of the electronic circuit board 100b. It is attached in a frame shape by combining four members so as to cover it.

As shown in FIGS. 4 (a) and 4 (b), by grounding the conductive reinforcing members 202a and 202b, it is possible to prevent the electronic circuit board 100b from being charged, and furthermore, to prevent electric noise such as external noise. If there is a negative impact,
The adverse effect can be reduced, and the bending of the electronic circuit board 100b can be prevented as in the first to third embodiments. FIG. 4 shows the case where the conductive reinforcing material is used in the second embodiment. However, the same effect can be obtained when the conductive reinforcing material is used in the first embodiment. It is.

Embodiment 5 Next, Embodiment 5 of the present invention will be described with reference to FIG. FIG. 5A is a perspective view of an electronic circuit board according to the present invention, and FIG. 5B is a cross-sectional view showing a cross-sectional structure of an end of the electronic circuit board. In the above-described first embodiment, an example in which the flat reinforcing material 200 is fixed to the back surface of the upper surface of the end of the electronic circuit board 100c with an adhesive or the like has been described. A description will be given of the case of fixing by.

As shown in the sectional view of FIG. 5B, a through hole 2a penetrating through the reinforcing member 200b and the electronic circuit board 100c.
The reinforcing member 200b and the electronic circuit board 100c are fixed by passing one end of the mounting member 400 through the through hole 2a and crushing the tip. Thus, the reinforcing material 2
00b is attached to the electronic circuit board 10 by the attaching member 400.
By fixing to 0c, the bending of the electronic circuit board 100c can be suppressed as in the first embodiment, and the time required for bonding and fixing can be reduced. Also,
In FIG. 5, the reinforcing member 200b is fixed so as to sandwich the end of the electronic circuit board 100c. However, the reinforcing member is applied to the center of the electronic circuit board 100c, or only the upper surface or the back surface of the electronic circuit substrate 100c is reinforced. Even when the material is fixed, the deflection of the electronic circuit board 100c can be reduced.

Embodiment 6 Next, Embodiment 6 of the present invention will be described with reference to FIG. FIG. 6A is a perspective view of an electronic circuit board according to the present invention, and FIG. 6B is a view showing a connection state at an outer peripheral corner of a reinforcing member surrounding the outer periphery of the electronic circuit board. Reinforcing member 2 in Embodiment 6
Reference numeral 03a denotes a member which is disposed at an end of the outer periphery of the electronic circuit board 100b in the long side direction and has a groove 1a for fitting the end of the electronic circuit board 100b, and another reinforcing member 203b at a corner of the board. A through hole 3a through which a screw is inserted is formed at the end for connection.

The reinforcing member 203b is provided on the electronic circuit board 10
0b is disposed at the end in the short side direction of the outer periphery and has no groove for fitting the end of the electronic circuit board 100b,
A threaded portion 3b is formed at a position following the through hole 3a. In the fourth embodiment, an example is shown in which the reinforcing members 202a and 202b are bonded and fixed to the electronic circuit board 100b using an adhesive or the like. However, as shown in FIG. A similar effect can be obtained by fixing the two reinforcing members 203a and 203b that are in contact at the corners of the substrate 100b with screws.

Embodiment 7 Next, Embodiment 7 of the present invention will be described with reference to FIG. In FIG.
Reference numeral 04 denotes a conductive reinforcing material made of a conductive material having a groove 1a corresponding to the thickness of the electronic circuit board 100d, and reference numeral 600 denotes a zero potential pattern formed on the upper surface of the electronic circuit board 100d. The potential pattern 600 is in a state of being electrically connected to the conductive reinforcing member 204 by a wire. Zero potential pattern 600 and conductive reinforcing material 2
By electrically connecting 04 through a wire or the like, fluctuations in the 0 potential of the power supply can be suppressed, and noise countermeasures can be strengthened. The electronic circuit board 100
It goes without saying that the deflection of d can be suppressed small.

Embodiment 8 Next, Embodiment 8 of the present invention will be described with reference to FIG. FIG. 8A is a perspective view of an electronic circuit board according to the present invention, and FIG. 8B is a cross-sectional view showing a connection state between the electronic circuit board and a reinforcing member. The conductive reinforcing member 205 is a plate-shaped member extending in one direction, is provided with a plurality of protrusions 4a, and has a hole that fits into the protrusions 4a on the electronic circuit board 100e. With the protrusion 4a fitted into the hole, the protrusion 4a is soldered to the electronic circuit board 100e from the back side with the solder 4b, so that the conductive reinforcing material 205 and the electronic circuit board 1 are soldered.
00e. Thus, the conductive reinforcing material 2
Even if the electronic circuit board 05 is fixed to the electronic circuit board 100e by soldering, the bending of the electronic circuit board 100e can be reduced. Although the reinforcing member 205 is fixed to the end of the electronic circuit board 100e in FIG. 8, even when the reinforcing member is attached to the center of the electronic circuit board 100e, the electronic circuit board 1
00e can be reduced.

Ninth Embodiment Next, a ninth embodiment of the present invention will be described with reference to FIG. FIG. 9A is a perspective view of an electronic circuit board according to the present invention, and FIG. 9B is a configuration diagram at a stage before the reinforcing member 206 surrounding the outer periphery of the electronic circuit board is attached to the electronic circuit board 100b. In addition, the reinforcing member 206 made of four members for surrounding the four sides of the outer periphery of the electronic circuit board 100b is connected in advance in a rotatable manner so as to be continuous.

In order to connect the reinforcing members 206 to each other, a through hole is formed in the overlapping reinforcing members 206, and the two are rotatably fixed using the mounting member 400 described in the fifth embodiment. . A groove corresponding to the thickness of the electronic circuit board 100b is cut in the reinforcing member 206, and the end of the electronic circuit board 100b is fitted into the groove. The continuous four reinforcing members 206 are attached so as to be sequentially wound around the outer periphery of the electronic circuit board 100 b, and finally, the ends of the unfixed reinforcing members 206 are overlapped and fixed by the mounting member 400. Even with such a configuration, the deflection of the electronic circuit board 100b can be suppressed to be small.

Embodiment 10 Next, Embodiment 10 of the present invention will be described with reference to FIG. FIG.
9A, a frame-shaped reinforcing member 207 is arranged on the upper and lower surfaces of the electronic circuit board 100a, and the electronic circuit board 100a and the two reinforcing members 207 located on the upper and lower surfaces of the electronic circuit board 100a are sandwiched between mounting members 400a from the outer periphery. FIG. 10 (b) is a perspective view of the case where the electronic circuit board 100a and the reinforcing member 207 are fixed by the mounting member 400a. .

The attachment member 400a can be stably fixed by attaching it to the center of four sides of the reinforcing member 207, which is a frame-shaped member. The mounting member 40
The material 0a is preferably made of a material having a spring property such as a metal. In this case, the shape is formed in advance, and the reinforcing material 207 is disposed on the upper surface and the back surface of the electronic circuit board 100a. 207 can be attached so as to fit. Thus, the reinforcing member 207 is attached to the electronic circuit board 100 by the attachment member 400a.
a, the bending of the electronic circuit board 100a can be suppressed to a small value.

Embodiment 11 Next, Embodiment 11 of the present invention will be described with reference to FIG. FIG.
(A) is a front end for fixing a reinforcing member 208 extending in one direction provided with a groove 1a corresponding to the thickness of the electronic circuit board 100f to a reinforcing member 208 provided at an end of the electronic circuit board 100f. Is a perspective view of an electronic circuit board 100f fitted and fixed to the projection 5a bent in a key shape,
FIG. 10B is a partial top view of a protrusion 5a formed so as to protrude from an end of the electronic circuit board 100f, a fitting portion 5b of the reinforcing member 208 to which the protrusion 5a is fitted, and FIG. FIG.

The electronic circuit board 100 thus configured
The projection 5a at the end of the f is fitted into the groove 1a of the reinforcing member 208 to be fitted into the fitting portion 5b of the reinforcing member 208.
Is slid along the outer periphery of the electronic circuit board 100f and fitted therein, so that the electronic circuit board 100f and the reinforcing member 208
Can be fixed, and the bending of the electronic circuit board 100f can be suppressed to be small as in the other embodiments.

[0039]

According to the present invention, since the electronic circuit board is provided with the reinforcing material, it is possible to suppress the deflection to a small extent and to prevent the electronic components mounted on the surface from being broken. Therefore, the reliability of the electronic circuit board can be improved, and an electronic circuit board that is easy to handle can be obtained.

Further, the electronic circuit board according to the present invention comprises:
Since a groove corresponding to the thickness of the electronic circuit board for mounting the substrate is formed in the reinforcing member, the electronic circuit board can be stably fixed by fitting the electronic circuit board into the groove and bonding. Furthermore, since the only components required for attachment are the reinforcing members, the number of components can be reduced.

In the electronic circuit board according to the present invention, since the reinforcing member is formed of an insulating member, the withstand voltage between the electronic circuit board and the outer edge of the reinforcing member increases, and a high voltage near the reinforcing member increases. Even if the wiring is arranged, there is no problem, and the components inside the device incorporating the electronic circuit board can be arranged more densely.

Further, the electronic circuit board according to the present invention comprises:
A reinforcing member made of a conductive member is provided so as to surround the outer periphery of the electronic circuit board, and since the reinforcing member is grounded, the potential around the electronic circuit board can be set to the same potential as the ground,
Thus, the influence of electromagnetic noise from outside the electronic circuit board on the board can be reduced.

Further, the electronic circuit board according to the present invention has a hole for inserting a mounting member in the electronic circuit board and the reinforcing member so that the electronic circuit board and the reinforcing member can be fixed by the mounting member inserted into the hole. Therefore, the electronic circuit board and the reinforcing material can be fixed more quickly than in the case of only bonding.

Further, the electronic circuit board according to the present invention comprises:
After attaching the reinforcing material with the groove for mounting the electronic circuit board to the electronic circuit board, it is fixed with screws, so the bonding work is not required, making the work easier and shortening the work time. It is possible.

In the electronic circuit board according to the present invention, after the conductive reinforcing material is fixed to the electronic circuit board, the conductive reinforcing material is connected to the zero potential pattern of the electronic circuit board.
Fluctuations in the 0 potential of the power supply are suppressed, and noise countermeasures can be strengthened.

Further, the electronic circuit board according to the present invention comprises:
The protrusions of the reinforcing material made of conductive material are passed through the holes provided in the electronic circuit board, and the protrusions and the electronic circuit board can be fixed by soldering, so screws and adhesives are unnecessary. Thus, the fixing operation can be simplified.

Further, the electronic circuit board according to the present invention is prepared by connecting a series of four reinforcing members each having a groove for mounting the electronic circuit board in advance and winding them around the outer periphery of the electronic circuit board. After that, since both ends of the reinforcing member are fixed, the fixing operation becomes easy.

Further, the electronic circuit board according to the present invention comprises:
Since the frame-shaped reinforcing member is arranged on the back surface of the upper surface of the electronic circuit board, and the electronic circuit substrate is sandwiched between the reinforcing members, the reinforcing member is sandwiched and fixed by the mounting member. Can be fixed so as to cover, and the bonding work is not required, and the work becomes easy.

In the electronic circuit board according to the present invention, a projection is formed at an end of the electronic circuit board, a fitting is formed on the reinforcing material side to fit the projection, and the projection is fitted to the fitting portion. In addition, the reinforcing member is slid along the outer periphery of the electronic circuit board to be fitted and fixed, so that the bonding work is not required and the work becomes easy.

[Brief description of the drawings]

FIG. 1 is a diagram showing an electronic circuit board according to Embodiment 1 of the present invention.

FIG. 2 is a view showing an electronic circuit board according to Embodiment 2 of the present invention.

FIG. 3 is a view showing an electronic circuit board according to Embodiment 3 of the present invention.

FIG. 4 is a diagram showing an electronic circuit board according to Embodiment 4 of the present invention.

FIG. 5 is a view showing an electronic circuit board according to Embodiment 5 of the present invention.

FIG. 6 is a view showing an electronic circuit board according to Embodiment 6 of the present invention.

FIG. 7 is a view showing an electronic circuit board according to Embodiment 7 of the present invention.

FIG. 8 is a view showing an electronic circuit board according to Embodiment 8 of the present invention.

FIG. 9 is a view showing an electronic circuit board according to Embodiment 9 of the present invention.

FIG. 10 is a diagram showing an electronic circuit board according to Embodiment 10 of the present invention.

FIG. 11 is a view showing an electronic circuit board according to Embodiment 11 of the present invention.

FIG. 12 is a view showing an electronic circuit board according to a conventional technique.

[Explanation of symbols]

1a. Grooves 2a, 3a. Through holes 3b. Threaded parts
4a. Convex part 4b. Solder 5a. Projection 5b. Fitting part 100a, 100b, 100c, 100d, 100e,
100f. Electronic circuit board 101. Electronic component 200, 200a, 200b, 203a, 203b, 2
06, 207, 208. Reinforcing material 202a, 202b, 204, 205. Conductive reinforcing material 300. High voltage wiring 400, 400a. Mounting member 500. Screw 60.0. 0 potential pattern.

Claims (12)

[Claims] 1. An electronic circuit board, wherein a reinforcing material is fixed to an electronic circuit board on which electronic components are surface-mounted. 2. The reinforcing member is a member having a plane extending in one or more directions, and the flat part of the reinforcing member is bonded and fixed to the upper surface, the back surface, or both surfaces of the electronic circuit board. The electronic circuit board according to claim 1, wherein 3. The reinforcing member is a member that extends in one or more directions provided with a groove corresponding to the thickness of the electronic circuit board, and fits an end of the electronic circuit board into the groove of the reinforcing member. 2. The method according to claim 1, wherein the adhesive is fixed.
An electronic circuit board as described in claim 1. 4. The electronic circuit board according to claim 1, wherein the reinforcing member is formed of an insulating member. 5. The electronic circuit board according to claim 1, wherein the reinforcing member has a shape surrounding the outer periphery of the electronic circuit board, is formed of a conductive member, and is grounded. 6. An electronic circuit board having a hole penetrating a reinforcing material attached to the upper surface, the rear surface, or both surfaces thereof, and fixing the reinforcing material to the electronic circuit substrate through a mounting member in the hole. 3. The electronic circuit board according to claim 2, wherein: 7. The reinforcing member is composed of four members extending in one direction provided with a groove corresponding to the thickness of the electronic circuit board, and is provided at an end of the electronic circuit board so as to surround four sides of the outer periphery of the electronic circuit board. 2. The electronic circuit board according to claim 1, wherein a portion is fitted into a groove of the reinforcing material, and the reinforcing materials adjacent to each other at four corners of the electronic circuit board are fixed by screws. 8. The electronic circuit board according to claim 1, wherein the reinforcing material is a conductive member, and the zero potential pattern provided on the electronic circuit board is electrically connected to the reinforcing material. 9. The reinforcing member is a conductive member having a flat surface extending in one or more directions and having a convex portion formed partially, and is provided in a hole provided through the electronic circuit board. The convex portion is fitted, the plane of the reinforcing member and the upper surface of the electronic circuit board are aligned, and the convex portion protruding to the back surface side of the electronic circuit board is soldered to the electronic circuit board to form the electronic circuit board. The electronic circuit board according to claim 1, wherein the electronic circuit board is fixed to the electronic circuit board. 10. The reinforcing member is constituted by four members extending in one direction provided with a groove corresponding to the thickness of the electronic circuit board, and the reinforcing member is stretched in advance so that each member can be rotated in advance. The four sides of the outer periphery of the electronic circuit board are fitted into the grooves of the reinforcing member made of four members, and the reinforcing member is fixed to the electronic circuit board by fixing both ends of the continuous reinforcing member. The electronic circuit board according to claim 1, wherein: 11. The reinforcing member is a frame-like member surrounding the outer periphery of the electronic circuit board. The reinforcing member is disposed on the upper and lower surfaces of the electronic circuit substrate, respectively. 2. The electronic circuit board according to claim 1, wherein the reinforcing member is fixed to the electronic circuit board by a mounting member that sandwiches a frame-shaped member. 12. The reinforcing member is a member extending in one direction provided with a groove corresponding to the thickness of the electronic circuit board, and has a fitting portion fitted to a fixing projection provided at an end of the electronic circuit board. Then, the reinforcing member is fixed to the electronic circuit board by fitting the fixing protrusion of the electronic circuit board to the reinforcing member while the end of the electronic circuit board is fitted in the groove of the reinforcing member. The electronic circuit board according to claim 1, wherein: