TWI439189B - Printed circuit board module and method for manufacturing same - Google Patents

Description

Circuit board module and manufacturing method thereof

The present invention relates to the field of circuit board technologies, and in particular, to a circuit board module and a manufacturing method thereof.

Printed circuit boards have been widely used due to their high assembly density. 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.

Due to the small thickness of the flexible circuit board and the flexibility, it is widely used in electronic equipment. As the functionality of electronic devices continues to increase, the number of boards installed in electronic settings is also increasing. When a plurality of flexible circuit boards need to be mounted in an electronic device, usually the flexible circuit boards need to remain bent. In this way, it is necessary to bend the board after the board is finished. However, the bent circuit board itself does not maintain its bending angle very well, and when it is mounted on an electronic device, it needs to be bent again. For the assembly of an electronic device, if multiple flexible circuit boards need to be installed, it is necessary to repeatedly perform bending operations, which seriously affects the assembly efficiency of the electronic device.

In view of the above, it is necessary to provide a circuit board module capable of improving the efficiency of assembling a flexible circuit board in an electronic device and a method of fabricating the same.

Hereinafter, a circuit module and a method of fabricating the same will be described by way of embodiments.

A circuit board module includes a plurality of flexible circuit boards, a plurality of fixed boards connected in series, a plurality of fixing members, and a connector. At least a portion of the plurality of flexible circuit boards need to be bent to a predetermined angle. Each of the fixing members comprises two fixing pieces which are parallel to each other and spaced apart from each other and a connecting piece which is vertically connected between the two fixing pieces, the two fixing pieces are L-shaped, two fixing pieces and connecting pieces Forming an L-shaped receiving space, wherein a bending angle of each of the receiving spaces corresponds to an angle at which a flexible circuit board needs to be bent, and the receiving space is configured to receive a side of a joint of two fixing plates adjacent to each other So that the angle formed between the two fixing plates that are engaged with the two fixing members is the same as the bending angle of the receiving space, and the plurality of flexible circuit boards are correspondingly mounted on the two corresponding to the bending angle thereof. Fixed boards. The connector is connected to two flexible circuit boards that need to be connected.

A method for manufacturing a circuit board module, comprising the steps of: providing a plurality of fixed boards connected in sequence; mounting a plurality of flexible circuit boards on the plurality of fixed boards, and installing between two adjacent flexible circuit boards a connector; and a fixing member comprising two fixing pieces which are parallel to each other and spaced apart from each other and a connecting piece vertically connected between the two fixing pieces, the two fixing pieces are L-shaped, two The fixing piece and the connecting piece form an L-shaped receiving space, and the bending angle of one of the receiving spaces corresponds to an angle at which a flexible circuit board needs to be bent, and the side of the joint of the two fixing plates adjacent to each other is accommodated The accommodating space is such that an angle formed between the two fixing plates that are engaged with the two fixing members is the same as a bending angle of the accommodating space, so that the two adjacent fixing plates are formed. The angle between the angle and the flexible circuit board attached to the two fixing plates needs to be equal.

Compared with the prior art, the circuit board module provided by the technical solution includes a plurality of flexible circuit boards mounted on the fixing frame, and the plurality of flexible circuit boards have been bent at a predetermined angle. When a plurality of flexible circuit boards are mounted on an electronic device, the circuit board modules can be directly mounted in the electronic device, so that it is possible to avoid bending each of the flexible circuit boards when installing each flexible circuit board, and The ability to maintain the bent flexible circuit board in a folded shape can improve the efficiency of mounting the flexible circuit board to the electronic device and improve the quality of the flexible circuit board mounted on the electronic device. The manufacturing method of the circuit board module provided by the technical solution can conveniently assemble the flexible circuit board that needs to be installed in the same electronic device.

The circuit board module provided by the technical solution and the manufacturing method thereof are further described below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1 to FIG. 3 , the circuit board module 100 provided by the embodiment of the present invention includes a mounting bracket 110 , a plurality of flexible circuit boards, and a connector 130 .

The holder 110 is used to carry and fix a plurality of flexible circuit boards. In this embodiment, the fixing frame 110 includes a first fixing plate 111, a second fixing plate 112, a third fixing plate 113, a first fixing member 114 and a second fixing member 115.

The first fixing plate 111, the second fixing plate 112, and the third fixing plate 113 are sequentially connected. In this embodiment, the first fixing plate 111, the second fixing plate 112, and the third fixing plate 113 are all rectangular plates, so that the first fixing plate 111, the second fixing plate 112, and the third fixing plate 113 can be conveniently arranged. In the present embodiment, the area where the first fixing plate 111 and the second fixing plate 112 are connected and the area where the second fixing plate 112 and the third fixing plate 113 are connected are each formed with a stamp hole 116. The stamp hole 116 is a plurality of mutually spaced holes disposed along the intersection of two adjacent fixed plates. The two adjacent fixing plates are at an angle corresponding to the angle at which the flexible circuit board mounted on the two adjacent fixing plates needs to be bent.

The first fixing member 114 is for fixing the first fixing plate 111 and the second fixing plate 112 such that the first fixing plate 111 and the second fixing plate 112 form a predetermined angle therebetween. The first fixing member 114 includes a first fixing piece 1141 , a second fixing piece 1142 , and a first connecting piece 1143 . The first fixing piece 1141 and the second fixing piece 1142 are both substantially "L"-shaped, and the first fixing piece 1141 and the second fixing piece 1142 have the same bending angle and are parallel to each other and spaced apart from each other. The first connecting piece 1143 is disposed along the extending direction of the first fixing piece 1141 and the second fixing piece 1142, and is perpendicularly connected to the same side of the first fixing piece 1141 and the second fixing piece 1142, and the first fixing piece 1141 and the second piece. The fixing piece 1142 and the first connecting piece 1143 enclose an "L" type first receiving space 1144. In this embodiment, the bending angles of the first fixing piece 1141 and the second fixing piece 1142 are both 90 degrees, so that the bending angle of the first receiving space 1144 is also 90 degrees. Preferably, the bending portions of the first fixing piece 1141 and the second fixing piece 1142 are smoothly connected, so that the bent portion of the first receiving space 1144 is also formed into a smooth structure to prevent the flexible circuit board mounted thereon. Create a dead fold. The side edges of the first fixing plate 111 and the second fixing plate 112 are respectively received in the first receiving space 1144, so that the stamp holes 116 between the first fixing plate 111 and the second fixing plate 112 are folded to form about 90. The angle between the plurality of stamp holes 116 is perpendicular to the first connecting piece 1143. In order to stabilize the angle formed between the first fixing plate 111 and the second fixing plate 112, at the intersection of the first fixing plate 111 and the second fixing plate 112 and the one side opposite to the first fixing member 114, another one is disposed. A first fixing member 114.

The second fixing member 115 is disposed at the intersection of the second fixing plate 112 and the third fixing plate 113 for fixing the second fixing plate 112 and the third fixing plate 113 at a predetermined angle. In this embodiment, the second fixing member 115 includes third and fourth fixing pieces which are parallel to each other and spaced apart from each other, and a second connecting piece that vertically connects the third fixing piece and the fourth fixing piece. The bending angles of the third fixing piece and the fourth fixing piece are the same and both are 60 degrees, so that the bending angle of the second receiving space surrounded by the third fixing piece, the fourth fixing piece and the second connecting piece is also substantially 60 degrees. The side of one side of the second fixing plate 112 and the third fixing plate 113 is received in the second receiving space, so as to be formed between the fixed second fixing plate 112 and the third fixing plate 113. The angle is 60 degrees.

It can be understood that the bending angle of the receiving space formed in each fixing member can be designed to other angles according to actual needs, such as 30 degrees, 45 degrees or any other angle at which the circuit board needs to be bent. The plurality of flexible circuit boards are mounted on the first fixing plate 111, the second fixing plate 112 or the third fixing plate 113 according to the angle at which each flexible circuit board needs to be bent and the position to be mounted. In this embodiment, the first flexible circuit board 121, the second flexible circuit board 122, and the third flexible circuit board 123 are attached to the fixing frame 110. The first flexible circuit board 121 is mounted on the first fixing board 111 and the second fixing board 112. When the first flexible circuit board 121 is bent at an angle of 90 degrees, the first flexible circuit board 121 can be mounted on the first flexible circuit board 121. The first fixing plate 111 is attached to the second fixing plate 112 such that the first flexible circuit board 121 is bent at 90 degrees. One of the second flexible circuit boards 122 is partially attached to the second fixing plate 112, and the other portion is attached to the third fixing plate 113, so that the bending angle of the second flexible circuit board 122 is 60 degrees. The first flexible circuit board 121 and the second flexible circuit board 122 are attached to one side of the second fixing board 112. The third flexible circuit board 123 is mounted on the other side of the second fixing plate 112.

It can be understood that more flexible circuit boards can be mounted on the fixing frame 110, and the plurality of flexible circuit boards can be mounted on the opposite surfaces of the fixing board according to the required connection position and relationship, and according to the installed electronic equipment. Need to set the position of each flexible circuit board.

The connector 130 is connected between the flexible circuit boards 120 adjacent to each other and requiring mutual signal connection or electrical connection to realize mutual signal connection or electrical connection between the plurality of flexible circuit boards. In this embodiment, the connector 130 can be a Zero Insertion Force Connector. Each connector 130 connects the edge connector of the adjacent first flexible circuit board 121 and the edge connector of the second flexible circuit board 122 such that the first flexible circuit board 121 and the second flexible circuit board 122 communicate with each other.

It can be understood that the number of the fixing plates included in the fixing frame 110 is not limited to the number provided in the embodiment. For a plurality of circuit boards that need to be mounted on different electronic devices, a fixed number of fixing plates 110 of fixed plates can be used. The angle formed between the fixing plates also needs to be set by the actually installed electronic device, so that the flexible circuit board mounted in the fixing frame 110 is bent at a required bending angle. In addition, in order to facilitate the mounting of the flexible circuit board, markings may be provided in the area where each of the fixing plates 110 needs to be mounted with a flexible circuit board.

The technical solution also provides the manufacturing method of the circuit board module 100. The manufacturing method of the circuit board module 100 includes the following steps:

In the first step, a plurality of fixed plates are provided.

Referring to FIG. 1, in this embodiment, the angle formed between the plurality of fixing plates of the fixing frame 110 is not fixed before the flexible circuit board is mounted. That is, in the embodiment, the first fixing plate 111, the second fixing plate 112 and the third fixing plate 113 are located in the same plane, and the stamp holes 116 are disposed between the adjacent two fixing plates.

In the second step, please refer to FIG. 4, a plurality of flexible circuit boards are mounted on a plurality of positioning boards according to the position of each flexible circuit board, and a plurality of flexible circuit boards to be connected are connected by a connector 130. .

A plurality of flexible circuit boards are mounted in the mounting frame 110 according to the bending angle of the different flexible circuit boards and the connection relationship between the different flexible circuit boards. In this embodiment, a portion of the first flexible circuit board 121 is attached to the first fixing plate 111, and other portions are attached to the second fixing plate 112. The second flexible circuit board 122 is partially attached to the second fixing plate 112, and the other portion is attached to the third fixing plate 113. Also, a portion of the first flexible circuit board 121 and the second flexible circuit board 122 located on the second fixed board 112 is adjacent. The third flexible circuit board 123 is mounted on the surface of the second fixing plate 112 opposite to the surface on which the first flexible circuit board 121 and the second flexible circuit board 122 are mounted. In this embodiment, the adhesive having the release film may be first mounted on each flexible circuit board to be mounted. When the mounting is performed, the release film is removed, and the flexible circuit board can be attached to the fixing plate of the holder 110.

After the flexible circuit board is mounted, the connector 130 is connected between adjacent flexible circuit boards that need to be connected to each other, thereby allowing the plurality of flexible circuit boards to communicate with each other. In this embodiment, the connector 130 is connected between the first flexible circuit board 121 and the second flexible circuit board 122.

In the third step, the plurality of fixing plates are fixed by using a plurality of fixing members, so that the plurality of fixing plates are formed at an angle corresponding to the corresponding fixing members, so that the flexible circuit board attached to the fixing plate is bent. A corresponding angle is obtained to obtain the circuit board module 100.

In this embodiment, the first fixing member 114 is fitted to the joint between the first fixing plate 111 and the second fixing plate 112 such that the angle between the first fixing plate 111 and the second fixing plate 112 is 90 degrees, thereby sticking The first flexible circuit board 121 mounted on the first fixing plate 111 and the second fixing plate 112 is bent at 90 degrees. The second fixing member 115 is fitted to the joint between the second fixing plate 112 and the third fixing plate 113 such that the angle between the second fixing plate 112 and the third fixing plate 113 is 60 degrees, so as to be attached to the second fixing. The board 112 is bent at a 60 degree angle with the second flexible circuit board 122 on the third fixing board 113.

The circuit board module 100 provided by the technical solution includes a plurality of flexible circuit boards mounted on the fixing frame 110, and the plurality of flexible circuit boards have been bent at a predetermined angle. When the plurality of flexible circuit boards are mounted on the electronic device, the circuit board module 100 can be directly installed in the electronic device, so that it is possible to avoid bending each of the flexible circuit boards when installing each flexible circuit board. Moreover, it is possible to maintain the shape of the bent flexible circuit board in a bent shape, thereby improving the efficiency of mounting the flexible circuit board on the electronic device and improving the quality of the flexible circuit board mounted on the electronic device. The manufacturing method of the circuit board module provided by the technical solution can conveniently assemble the flexible circuit board that needs to be installed in the same electronic device.

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.

100. . . Circuit board module

110. . . Fixing frame

111. . . First fixing plate

112. . . Second fixing plate

113. . . Third fixing plate

114. . . First fixture

1141. . . First fixed piece

1142. . . Second fixed piece

1143. . . First connecting piece

1144. . . First containment space

115. . . Second fixture

116. . . Stamp hole

121. . . First flexible circuit board

122. . . Second flexible circuit board

123. . . Third flexible circuit board

130. . . Connector

FIG. 1 is a schematic diagram of a circuit board module provided by an embodiment of the present technical solution.

FIG. 2 is a schematic plan view of a plurality of fixing plates provided by embodiments of the present technical solution.

FIG. 3 is a schematic perspective view of a fixing member provided by an embodiment of the present technical solution.

FIG. 4 is a schematic plan view showing the flexible circuit board attached to the fixing frame provided by the embodiment of the present technical solution.

100. . . Circuit board module

110. . . Fixing frame

111. . . First fixing plate

112. . . Second fixing plate

113. . . Third fixing plate

114. . . First fixture

115. . . Second fixture

121. . . First flexible circuit board

122. . . Second flexible circuit board

123. . . Third flexible circuit board

130. . . Connector

Claims (7)

A circuit board module, the circuit board module comprising:
a plurality of flexible circuit boards, at least a portion of the plurality of flexible circuit boards need to be bent to a predetermined angle;
a plurality of fixing plates connected to each other in turn;
a plurality of fixing members, each of the fixing members comprising two fixing pieces arranged parallel to each other and spaced apart from each other and a connecting piece vertically connected between the two fixing pieces, the two fixing pieces are L-shaped and two The fixing piece and the connecting piece form an L-shaped receiving space, and the bending angle of each of the receiving spaces corresponds to an angle at which a flexible circuit board needs to be bent, and the receiving space is for receiving two fixing plates adjacent to each other. a side of the connecting portion, such that an angle formed between the two fixing plates that are engaged with the two fixing members is the same as a bending angle of the receiving space, and the plurality of flexible circuit boards are correspondingly mounted and bent The angle corresponds to the two fixed plates; and the connector is connected to the two flexible circuit boards that need to be connected. The circuit board module of claim 1, wherein a plurality of non-connecting holes disposed along the intersection of the two fixed plates are disposed between the adjacent two fixed plates for making The adjacent fixing plates are bent along a plurality of non-connecting holes provided along the intersection line. The circuit board module of claim 1, wherein the opposite sides of the connection between the two adjacent fixed plates are respectively provided with a fixing member. A method for manufacturing a circuit board module, comprising the steps of:
Providing a plurality of fixing plates connected in sequence;
Mounting a plurality of flexible circuit boards to the plurality of fixed boards, and mounting a connector between the adjacent two flexible circuit boards; and providing a fixing member including two parallel and spaced apart from each other a fixing piece and a connecting piece vertically connected between the two fixing pieces, the two fixing pieces are L-shaped, the two fixing pieces and the connecting piece form an L-shaped receiving space, and one of the receiving spaces is bent The angle corresponds to an angle at which a flexible circuit board needs to be bent, and the side of the joint of the two fixing plates adjacent to each other is received in the receiving space, so that the two fixing plates are matched with the two fixing members. The angle formed is the same as the bending angle of the receiving space, so that the angle formed between the two adjacent fixing plates is equal to the angle at which the flexible circuit board attached to the two fixing plates needs to be bent. . The method for manufacturing a circuit board module according to the fourth aspect of the invention, wherein the plurality of the flexible circuit boards are mounted on the plurality of fixed boards by the following method:
Forming a backing with a release film on the flexible circuit board;
The release film is removed, and the flexible circuit board is attached to the fixing plate. The method of fabricating a circuit board module according to claim 4, wherein the connector is connected to an edge connector of two adjacent flexible circuit boards. The method for manufacturing a circuit board module according to claim 4, wherein a plurality of mutually spaced holes extending along the fixed plate are formed between two adjacent fixed plates, and two adjacent fixed plates are formed. Bending along the plurality of mutually spaced holes.