CN217064101U

CN217064101U - Environment-friendly HDI circuit board

Info

Publication number: CN217064101U
Application number: CN202220839364.9U
Authority: CN
Inventors: 赵灿辉; 袁金钟; 张晓亮; 严军
Original assignee: Suichuan Xincheng Ruijia Electronics Co ltd
Current assignee: Suichuan Xincheng Ruijia Electronics Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-26
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to an environment-friendly HDI circuit board, which comprises a circuit board body, wherein a positioning block is arranged below the circuit board body, the positioning block is symmetrically distributed relative to the central line of the circuit board body, a hollowed-out screen plate is fixedly connected between the positioning blocks, a drying cavity is fixedly connected inside the hollowed-out screen plate, a supporting plate is fixedly connected at the top of the positioning block, a supporting plate is fixedly connected at one side of the supporting plate, a threaded hole is arranged inside the supporting plate, the threaded hole is in threaded connection with an adjusting bolt, a pressing plate is fixedly connected at the tail end of the adjusting bolt, a soft rubber pad is fixedly connected at the bottom of the pressing plate, the utility model can control the pressing plate to fixedly press the circuit board body by arranging the adjusting bolt, thereby avoiding the degumming phenomenon of a circuit layer and a base layer inside the circuit board body, when the circuit board body is damaged and needs to be discarded, a worker can directly separate the circuit layer from the base layer, the pollution of the circuit or the electronic element on the circuit layer to the environment is avoided.

Description

Environment-friendly HDI circuit board

Technical Field

The utility model relates to a circuit board specifically is an environment-friendly HDI circuit board, belongs to HDI circuit board technical field.

Background

The HDI printed circuit board is a structural element formed by insulating material and conductor wiring, and when the printed circuit board is manufactured into a final product, an integrated circuit, a transistor, a diode, a passive element such as a resistor, a capacitor, a connector and other various electronic components are mounted on the printed circuit board.

When the existing HDI circuit board is used, various electronic elements need to be inserted on the circuit board, when the circuit board is damaged and needs to be discarded or destroyed, the electronic elements on the circuit board easily pollute the environment, and when the existing circuit board is used, the operating stability of the circuit board is influenced by overhigh temperature or moisture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environment-friendly HDI circuit board just in order to solve above-mentioned problem, fix through setting up the steerable clamp plate of adjusting bolt and compress tightly the circuit board body, avoid the inside circuit layer of circuit board body and basic unit to take place the phenomenon of coming unstuck, when the circuit board body damages and need abandon, the staff can directly break away from circuit layer and basic unit, avoids circuit or electronic component on the circuit layer to cause the pollution to the environment.

The utility model discloses a following technical scheme realizes above-mentioned purpose, an environment-friendly HDI circuit board, including the circuit board body, circuit board body below is equipped with the locating piece, the locating piece distributes for circuit board body central line symmetrical formula, fixedly connected with fretwork otter board between the locating piece, the inside dry chamber of fixedly connected with of fretwork otter board, locating piece top fixedly connected with backup pad, backup pad one side fixedly connected with extension board, the inside threaded hole of seting up of extension board, screw hole threaded connection has adjusting bolt, the terminal fixedly connected with clamp plate of adjusting bolt, the soft rubber pad of clamp plate bottom fixedly connected with.

Preferably, the circuit board body includes the basic unit, basic unit upper surface bonding is connected with the circuit layer, fixed surface is connected with the waterproof layer on the circuit layer, fixed surface is connected with anticorrosive protective layer on the waterproof layer.

Preferably, the lower surface of the base layer is fixedly connected with a flame-retardant layer, the lower surface of the flame-retardant layer is fixedly connected with an insulating layer, and the lower surface of the insulating layer is fixedly connected with a heat dissipation layer.

Preferably, a cavity is formed in the flame retardant layer, and a mixture of antimony trioxide particles, magnesium hydroxide particles and aluminum hydroxide particles is filled in the cavity.

Preferably, the base layer is made of glass fiber, the waterproof layer is made of polyurethane, and the insulating layer is made of polyimide.

Preferably, the circuit layer comprises a metal copper layer, the upper surface of the metal copper layer is fixedly connected with the lower surface of the waterproof layer, the lower surface of the metal copper layer is connected with a conductive adhesive layer in a bonding mode, and the lower surface of the conductive adhesive layer is connected with the upper surface of the base layer in a bonding mode.

Preferably, the heat dissipation layer comprises a heat conduction silicone grease layer, the upper surface of the heat conduction silicone grease layer is fixedly connected with the lower surface of the insulating layer, and the lower surface of the heat conduction silicone grease layer is fixedly connected with a graphite carbon heat dissipation sheet layer.

The beneficial effects of the utility model are that:

the utility model discloses a set up the steerable clamp plate of adjusting bolt and fix and compress tightly circuit board body, avoid circuit board body inside circuit layer and basic unit to take place the phenomenon of coming unstuck, when circuit board body damages and need abandon or destroy, the staff can directly break away from circuit layer and basic unit, avoid circuit or electronic component on the circuit layer to cause the pollution to the environment, can absorb near the moisture of circuit board body through setting up dry chamber, avoid the moisture to cause the damage to electronic component on the circuit board body, influence the normal operating of circuit board body, can be with the leading-in graphite carbon heat dissipation lamella of the heat that the circuit board body produced through setting up the heat conduction silicone grease layer, graphite carbon heat dissipation lamella can absorb the heat fast and dispel the heat, it is too big to avoid the heat, influence the normal operating of circuit board body.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the structure of the circuit board body of the present invention.

Fig. 3 is a schematic diagram of the circuit layer structure of the present invention.

Fig. 4 is a schematic view of the structure of the heat dissipation layer of the present invention.

The reference numbers in the figures: 1. a circuit board body; 2. positioning a block; 3. hollowing out the screen plate; 4. a drying chamber; 5. a support plate; 6. adjusting the bolt; 7. pressing a plate; 8. a base layer; 9. a circuit layer; 10. a waterproof layer; 11. an anti-corrosion protective layer; 12. a flame retardant layer; 13. an insulating layer; 14. a heat dissipation layer; 15. a cavity; 16. a metallic copper layer; 17. a conductive adhesive layer; 18. a thermally conductive silicone layer; 19. graphite carbon radiator layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the environment-friendly HDI circuit board comprises a circuit board body 1, wherein positioning blocks 2 are arranged below the circuit board body 1, the positioning blocks 2 are symmetrically distributed relative to the center line of the circuit board body 1, hollow-out screen plates 3 are fixedly connected between the positioning blocks 2, drying cavities 4 are fixedly connected inside the hollow-out screen plates 3, a supporting plate 5 is fixedly connected to the top of each positioning block 2, a supporting plate is fixedly connected to one side of each supporting plate 5, threaded holes are formed in the supporting plate, adjusting bolts 6 are in threaded connection with the threaded holes, a pressing plate 7 is fixedly connected to the tail ends of the adjusting bolts 6, and a soft rubber pad is fixedly connected to the bottom of the pressing plate 7.

Specifically, the circuit board body 1 comprises a base layer 8, wherein a circuit layer 9 is bonded and connected to the upper surface of the base layer 8, a waterproof layer 10 is fixedly connected to the upper surface of the circuit layer 9, an anti-corrosion protective layer 11 is fixedly connected to the upper surface of the waterproof layer 10, a flame-retardant layer 12 is fixedly connected to the lower surface of the base layer 8, an insulating layer 13 is fixedly connected to the lower surface of the flame-retardant layer 12, a heat dissipation layer 14 is fixedly connected to the lower surface of the insulating layer 13, a cavity 15 is formed in the flame-retardant layer 12, a mixture of antimony trioxide particles, magnesium hydroxide particles and aluminum hydroxide particles is filled in the cavity 15, the base layer 8 is made of glass fibers, the waterproof layer 10 is made of polyurethane, the insulating layer 13 is made of polyimide, the circuit layer 9 comprises a metal copper layer 16, and the upper surface of the metal copper layer 16 is fixedly connected to the lower surface of the waterproof layer 10, the lower surface of the metal copper layer 16 is bonded and connected with a conductive adhesive layer 17, the lower surface of the conductive adhesive layer 17 is bonded and connected with the upper surface of the base layer 8, the heat dissipation layer 14 comprises a heat conduction silicone grease layer 18, the upper surface of the heat conduction silicone grease layer 18 is fixedly connected with the lower surface of the insulating layer 13, the lower surface of the heat conduction silicone grease layer 18 is fixedly connected with a graphite carbon heat dissipation sheet layer 19, the circuit board body 1 can be fixedly pressed by the pressing plate 7 which can be controlled by the adjusting bolt 6, the phenomenon that the circuit layer 9 and the base layer 8 inside the circuit board body 1 are degummed is avoided, when the circuit board body 1 is damaged and needs to be discarded or destroyed, a worker can directly separate the circuit layer 9 from the base layer 8, the pollution of circuits or electronic elements on the circuit layer 9 to the environment is avoided, the moisture near the circuit board body 1 can be absorbed by the drying cavity 4, and the damage of the electronic elements on the circuit board body 1 is avoided, influence the normal operating of circuit board body 1, can be with the leading-in graphite carbon radiator fin layer 19 of the heat that circuit board body 1 produced through setting up heat conduction silicone grease layer 18, graphite carbon radiator fin layer 19 can absorb the heat fast and dispel the heat, avoids the heat too big, influences the normal operating of circuit board body 1.

When the utility model is used, the adjusting bolt 6 can control the pressing plate 7 to fix and compress the circuit board body 1, thereby avoiding the degumming phenomenon of the circuit layer 9 and the base layer 8 in the circuit board body 1, when the circuit board body 1 is damaged and needs to be discarded or destroyed, the staff can directly separate the circuit layer 9 from the base layer 8, thereby avoiding the pollution of the circuit or the electronic element on the circuit layer 9 to the environment, the drying cavity 4 can absorb moisture near the circuit board body 1, thereby avoiding the moisture from damaging electronic components on the circuit board body 1 and influencing the normal operation of the circuit board body 1, can be with the leading-in graphite carbon radiator laminated 19 of the heat that circuit board body 1 produced through setting up heat conduction silicone grease layer 18, graphite carbon radiator laminated 19 can absorb the heat fast and dispel the heat, avoids the heat too big, influences circuit board body 1's normal operating.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present invention be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein without any reference thereto.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an environment-friendly HDI circuit board, includes circuit board body (1), its characterized in that: the circuit board comprises a circuit board body (1), wherein a positioning block (2) is arranged below the circuit board body (1), the positioning block (2) is symmetrically distributed relative to the central line of the circuit board body (1), a hollowed-out screen plate (3) is fixedly connected between the positioning block (2), a drying cavity (4) is fixedly connected inside the hollowed-out screen plate (3), a supporting plate (5) is fixedly connected to the top of the positioning block (2), a supporting plate (5) is fixedly connected to one side of the supporting plate, a threaded hole is formed in the supporting plate, an adjusting bolt (6) is connected to the threaded hole in a threaded manner, a pressing plate (7) is fixedly connected to the tail end of the adjusting bolt (6), and a soft rubber pad is fixedly connected to the bottom of the pressing plate (7).

2. The environment-friendly HDI circuit board of claim 1, wherein: the circuit board body (1) comprises a base layer (8), wherein the upper surface of the base layer (8) is bonded with a circuit layer (9), the upper surface of the circuit layer (9) is fixedly connected with a waterproof layer (10), and the upper surface of the waterproof layer (10) is fixedly connected with an anti-corrosion protective layer (11).

3. The environment-friendly HDI circuit board of claim 2, characterized in that: the flame-retardant heat-dissipating structure is characterized in that a flame-retardant layer (12) is fixedly connected to the lower surface of the base layer (8), an insulating layer (13) is fixedly connected to the lower surface of the flame-retardant layer (12), and a heat-dissipating layer (14) is fixedly connected to the lower surface of the insulating layer (13).

4. The environment-friendly HDI circuit board of claim 3, wherein: a cavity (15) is formed in the flame-retardant layer (12), and a mixture of antimony trioxide particles, magnesium hydroxide particles and aluminum hydroxide particles is filled in the cavity (15).

5. The environment-friendly HDI circuit board of claim 3, wherein: the base layer (8) is made of glass fiber, the waterproof layer (10) is made of polyurethane, and the insulating layer (13) is made of polyimide.

6. The environment-friendly HDI circuit board of claim 2, wherein: the circuit layer (9) comprises a metal copper layer (16), the upper surface of the metal copper layer (16) is fixedly connected with the lower surface of the waterproof layer (10), the lower surface of the metal copper layer (16) is connected with a conductive adhesive layer (17) in an adhesive mode, and the lower surface of the conductive adhesive layer (17) is connected with the upper surface of the base layer (8) in an adhesive mode.

7. The environment-friendly HDI circuit board of claim 3, wherein: the heat dissipation layer (14) comprises a heat conduction silicone grease layer (18), the upper surface of the heat conduction silicone grease layer (18) is fixedly connected with the lower surface of the insulating layer (13), and the lower surface of the heat conduction silicone grease layer (18) is fixedly connected with a graphite carbon heat dissipation sheet layer (19).