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Advantages and disadvantages, USES and differences of aluminum base board and glass fiber board!

Aluminum base board

Aluminum base board  is a kind of metal substrate copper clad plate with good heat dissipation function. Generally, a single panel is composed of three layers, namely, circuit layer, insulation layer and metal base layer.

For high-end use, there are also two layer, the structure of the circuit layer, insulation layer, aluminum base board, insulation layer, circuit layer.Very few applications for multi-layer board, can be made of ordinary multi-layer board and insulation layer, aluminum base.

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Aluminum Base Board

1. Advantages of aluminum baes board

(1) heat dissipation is significantly better than the standard fr-4 structure.

(2) the dielectric used is usually 5 to 10 times the thermal conductivity of conventional epoxy glass and only one tenth of the thickness.

(3) heat transfer index is more efficient than traditional rigid PCB.

(4) copper weight can be lower than that shown in the IPC recommended figure.

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2layer Aluminum Pcb

2, the use of aluminum baes board

(1) audio equipment: input, output amplifier, balance amplifier, audio amplifier, preamplifier, power amplifier, etc.

(2) power supply equipment: switch regulator, DC/AC converter, SW regulator, etc.

(3) communication electronic equipment: high-frequency amplifier, filter, transmitter circuit.

(4) office automation equipment: motor drivers, etc.

(5) automobile: electronic regulator, igniter, power controller, etc.

(6) computer: CPU board, floppy disk drive, power supply device, etc.

(7) power module: converter, solid relay, rectifier bridge, etc.

Aluminum baes board is widely used in general audio equipment, power supply equipment, communication electronic equipment, office automation equipment, automobiles, computers, power modules have the existence of aluminum substrate.

2. Glass fiber board (FR-4)

Fiberglass board nickname: fiberglass insulation board, fiberglass board (fr-4), fiberglass composite board, made of fiberglass materials and high heat resistance composite materials, does not contain harmful to the human body asbestos ingredients.

With higher mechanical properties and dielectric properties, better heat and moisture resistance, good processing.

Used in plastic mold, injection mold, machinery manufacturing, molding machine, drilling machine, injection molding machine, motor, PCB.

Fiberglass board outside cover cloth art, leather, make it beautiful wall, ceiling decoration, the application is very wide.With sound absorption, sound insulation, heat insulation, environmental protection, flame retardant and other characteristics.

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Mutilayer PCB

1. Advantages of fiberglass board

(1) with high mechanical properties and electrical resistance, but also has good heat and moisture resistance, and good processing.Generally used in plastic mold and machinery manufacturing.

(2) injection mold molding usually requires: high temperature material and low temperature mold. Heat insulation must be used under the same condition. Keep the injection mold low temperature without overheating the injection molding machine. This requirement can be met by installing insulation board between injection mould and injection machine. Shorten the production cycle, improve productivity, reduce energy consumption, improve the quality of finished products, continuous production process to ensure the stability of product quality, prevent overheating of the machine, no electrical fault, no oil leakage hydraulic system.

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High-Layer PCB

2, the use of glass fiber board

(1) construction industry: can make cooling tower, building structure, indoor equipment and decoration, glass steel plate, decoration plate, and solar energy utilization device, etc.

(2) chemical industry: it can do corrosion resistant pipeline, corrosion resistant pump and their accessories, but also can do grid, ventilation facilities and waste water and sewage treatment equipment and so on.

(3) automobile and railway transportation industry: it can be used as automobile shell and other parts, as well as the body shell, door, inner plate and instrument screen of large passenger cars; In the highway construction part, there are road signs, isolation pier and highway guardrail and so on.

(4) glass fiber board performance, glass fiber board, generally used for soft package base, and then wrapped with cloth, leather, etc., can be made into beautiful wall and ceiling decoration.

(5) sound absorption, sound insulation, heat insulation, environmental protection, flame retardant and other advantages.Good insulation characteristics, it has been used in the shell of radar, as well as a good anti-corrosion material, has been widely used in the chemical industry. Fiberglass has the advantage of plasticity.

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Double Layer PCB

Three, aluminum base board and glass fiber board three differences

1. Price

Fiberglass board and aluminum substrate in the price of comparison, the price of fiberglass board will be significantly cheaper.

2. Technology

According to different materials and manufacturing techniques, fiberglass panels can be divided into three types: double-sided, perforated and single-sided. Of course, fiberglass board made of different materials will be different in price.

3. Performance

Aluminum base board has a good thermal conductivity, so the heat dissipation performance of aluminum base board is much better than glass fiber board.

 


Post time: Aug-30-2019
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