CN216437554U

CN216437554U - Novel flexible circuit board

Info

Publication number: CN216437554U
Application number: CN202122586424.9U
Authority: CN
Inventors: 李东东; 柯可木; 高水平; 高宝平
Original assignee: Jiangsu Xinmeidi Electronic Co ltd
Current assignee: Jiangsu Xinmeidi Electronic Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-03
Anticipated expiration: 2031-10-27

Abstract

The utility model provides a novel flexible line way board, include: the circuit board body, the one end of circuit board body is equipped with first adapter, be equipped with first golden finger on the first adapter, this novel flexible line way board's upper and lower surface all is equipped with the radiating groove, the radiating groove can effectively increase the area of flexible line way board's upper and lower surface, the radiating rate of flexible line way board has been improved, the overheated influence of flexible line way board is used, this novel flexible line way board's upper and lower surface all is equipped with the louvre, wherein the louvre extends to on insulating layer and the lower insulating layer, can be better with the inside heat dissipation of flexible line way board, more effectual dispels the heat, avoid the overheated damage that causes of flexible line way board, and influence life. This novel flexible line way board is inside to be equipped with prevents the static coating, prevents the production that the static coating can effectual reduction static, effectively avoids causing the damage because static to the flexible line way board.

Description

Novel flexible circuit board

Technical Field

The utility model relates to a flexible line way board technical field, in particular to novel flexible line way board.

Background

A Flexible Printed Circuit (FPC), also called a flexible circuit board or a flexible circuit board, is favored for its excellent characteristics of light weight, thin thickness, free bending and folding, but the quality inspection of the FPC in China mainly depends on manual visual inspection, and is high in cost and low in efficiency. With the rapid development of the electronic industry, the design of circuit boards tends to be higher and higher in precision and density, the traditional manual detection method cannot meet the production requirements, the automatic detection of FPC defects becomes a necessary trend of industrial development, a flexible circuit (FPC) is a technology developed in the United states in the last 70 th century for developing the technology of space rockets, and a printed circuit with high reliability and excellent flexibility is manufactured by taking a polyester film or polyimide as a base material. The circuit can be bent at will, is folded, has light weight, small volume, good heat dissipation and convenient installation, and breaks through the traditional interconnection technology. In the structure of the flexible circuit, the materials of the flexible circuit are an insulating film, a conductor and an adhesive;

the flexible circuit board in the prior art is mainly applied to the connection parts of electronic products, such as a flat cable of a mobile phone, a liquid crystal module and the like. Most flexible circuit boards have poor heat dissipation effects and certain static electricity, which damages the flexible circuit boards and influences the service life of the flexible circuit boards.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough among the prior art, the utility model provides a novel flexible line way board.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel flexible wiring board comprising: a circuit board body, wherein one end of the circuit board body is provided with a first adapter, the first adapter is provided with a first golden finger, a second adapter is arranged at one end of the circuit board body far away from the first adapter, a second golden finger is arranged on the second adapter, the surface of the circuit board body is provided with heat dissipation grooves, two sides of the surface of the circuit board body are symmetrically provided with heat dissipation holes, a substrate layer is arranged inside the circuit board body, a first circuit layer is arranged above the substrate layer, an upper insulating layer is arranged above the first circuit layer, an upper anti-static coating is arranged above the upper insulating layer, the upper anti-static coating is provided with an upper protective film, a second circuit layer is arranged below the base material layer, the lower insulating layer is arranged below the second circuit layer, the lower anti-static coating is arranged below the lower insulating layer, and the lower protective film is arranged below the lower anti-static coating.

As an improvement, the upper surface and the lower surface of the circuit board body are symmetrically provided with the heat dissipation grooves and the heat dissipation holes.

As an improvement, the heat dissipation groove is rectangular, and the heat dissipation holes are circular.

As an improvement, the upper insulating layer and the lower insulating layer are both made of polyimide materials.

As an improvement, the depth of the heat dissipation hole extends to the bottom of the upper and lower antistatic coatings and does not reach the inside of the upper and lower insulating layers.

As a modification, the depth of the heat dissipation groove extends to the bottom of the upper and lower protective films and does not reach the inside of the upper and lower antistatic coatings.

The utility model has the advantages that:

this novel flexible line way board's upper and lower surface all is equipped with the radiating groove, the radiating groove can effectively increase the area of flexible line way board's upper and lower surface, the radiating rate of flexible line way board has been improved, the overheated influence of flexible line way board is used, this novel flexible line way board's upper and lower surface all is equipped with the louvre, wherein the louvre extends to the upper insulation layer and down on the insulation layer, can be better with the inside heat of flexible line way board dispel away, more effectual dispels the heat, avoid the overheated damage that causes of flexible line way board, and influence life.

This novel flexible line way board is inside to be equipped with prevents the static coating, prevents the production that the static coating can effectual reduction static, effectively avoids causing the damage because static to the flexible line way board.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

Reference symbol comparison table:

1. a circuit board body; 2. a first adapter; 3. a first golden finger; 4. a second adapter; 5. a second golden finger; 6. heat dissipation holes; 7. a substrate layer; 8. a first circuit layer; 9. an upper insulating layer; 10. coating an antistatic coating; 11. coating a protective film; 12. a second circuit layer; 13. a lower insulating layer; 14. a lower antistatic coating; 15. a lower protective film; 16. a heat dissipation groove.

Detailed Description

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and 2, a novel flexible circuit board includes: a circuit board body 1.

One end of the circuit board body 1 is provided with a first adapter 2, the first adapter 2 is provided with a first golden finger 3, one end of the circuit board body 1 far away from the first adapter 2 is provided with a second adapter 4, the second adapter 4 is provided with a second golden finger 5, the surface of the circuit board body 1 is provided with a heat dissipation groove 16, two sides of the surface of the circuit board body 1 are symmetrically provided with heat dissipation holes 6, the inside of the circuit board body 1 is provided with a substrate layer 7, a first circuit layer 8 is arranged above the substrate layer 7, an upper insulating layer 9 is arranged above the first circuit layer 8, an upper anti-static coating 10 is arranged above the upper insulating layer 9, an upper protective film 11 is arranged on the upper anti-static coating 10, a second circuit layer 12 is arranged below the substrate layer 7, a lower insulating layer 13 is arranged below the second circuit layer 12, a lower anti-static coating 14 is arranged below the lower insulating layer 13, a lower protective film 15 is arranged below the lower anti-static coating 14.

The upper surface and the lower surface of the circuit board body 1 are symmetrically provided with the heat dissipation grooves 16 and the heat dissipation holes 6, the heat dissipation grooves 16 are rectangular, and the heat dissipation holes 6 are circular.

The upper insulating layer 9 and the lower insulating layer 13 are both made of polyimide materials.

The depth of the heat dissipation hole 6 extends to the bottom of the upper anti-static coating 10 and the lower anti-static coating 14, and does not reach the inside of the upper insulating layer 9 and the lower insulating layer 13, and the depth of the heat dissipation groove 16 extends to the bottom of the upper protective film 11 and the lower protective film 15, and does not reach the inside of the upper anti-static coating 10 and the lower anti-static coating 14.

The utility model discloses at its during operation, connect the flexible line way board and only need be connected to the signal line that needs respectively with first adapter 2 and second adapter 4 on. The radiating groove 16 can effectively increase the area of the upper surface and the lower surface of the flexible circuit board, the radiating area is increased, the radiating speed of the flexible circuit board is improved, the flexible circuit board is prevented from being overheated to affect use, the radiating hole 6 extends to the upper insulating layer and the lower insulating layer, the heat inside the flexible circuit board can be better radiated, the flexible circuit board is more effectively radiated, the flexible circuit board is prevented from being overheated to cause damage, the service life is prolonged, the upper anti-static coating 10 and the lower anti-static coating 14 can better reduce static electricity, and damage to the flexible circuit board caused by static electricity is avoided.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel flexible circuit board, its characterized in that includes: the circuit board comprises a circuit board body (1), wherein one end of the circuit board body (1) is provided with a first adapter (2), a first golden finger (3) is arranged on the first adapter (2), one end, far away from the first adapter (2), of the circuit board body (1) is provided with a second adapter (4), a second golden finger (5) is arranged on the second adapter (4), the surface of the circuit board body (1) is provided with a heat dissipation groove (16), two sides of the surface of the circuit board body (1) are symmetrically provided with heat dissipation holes (6), a base material layer (7) is arranged inside the circuit board body (1), a first circuit layer (8) is arranged above the base material layer (7), an upper insulating layer (9) is arranged above the first circuit layer (8), an upper anti-static coating (10) is arranged above the upper insulating layer (9), and an upper protective film (11) is arranged on the upper anti-static coating (10), the anti-static electricity-proof circuit is characterized in that a second circuit layer (12) is arranged below the base material layer (7), a lower insulating layer (13) is arranged below the second circuit layer (12), a lower anti-static coating (14) is arranged below the lower insulating layer (13), and a lower protective film (15) is arranged below the lower anti-static coating (14).

2. The novel flexible circuit board according to claim 1, wherein the heat dissipation grooves (16) and the heat dissipation holes (6) are symmetrically formed on both the upper and lower surfaces of the circuit board body (1).

3. The novel flexible circuit board according to claim 2, wherein the heat dissipation groove (16) is rectangular, and the heat dissipation hole (6) is circular.

4. The novel flexible circuit board according to claim 1, wherein the upper insulating layer (9) and the lower insulating layer (13) are made of polyimide materials.

5. The novel flexible circuit board of claim 1, wherein the depth of the heat dissipation hole (6) extends to the bottom of the upper antistatic coating (10) and the lower antistatic coating (14) and does not reach the inside of the upper insulating layer (9) and the lower insulating layer (13).

6. The novel flexible wiring board according to claim 1, wherein the depth of the heat dissipation groove (16) extends to the bottom of the upper protective film (11) and the lower protective film (15) and does not reach the inside of the upper antistatic coating (10) and the lower antistatic coating (14).