Metal PCB Board-Aluminum substrate
Metal PCB Board Aluminum Substrate High Density Display Light Board
Aluminum substrate is a metal base copper clad plate with good heat
dissipation function, the general single panel is composed of three
layers of structure, respectively, circuit layer (copper foil),
insulation layer and metal base. For high-end use are also designed
for double panels, the structure of the circuit layer, insulation
layer, aluminum base, insulation layer, circuit layer. Very few
applications are multi-layer boards, which can be made of ordinary
multi-layer boards and insulation layers and aluminum bases.
1, the advantages of aluminum substrate
(1) The heat dissipation is significantly better than the standard
FR-4 structure.
(2) The thermal conductivity of the dielectric used is usually 5 to
10 times that of conventional epoxy glass, and the thickness is
only one-tenth.
(3) The heat transfer index is more efficient than the traditional
rigid PCB.
(4) A lower copper weight can be used than indicated in the IPC
recommended figure.
2, the application field of aluminum substrate
(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 electrical equipment, transmission circuit.
(4) Office automation equipment: motor drives, 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 substrate is widely used, general audio equipment, power
equipment, communication electronic equipment, office automation
equipment, automobiles, computers, power modules have aluminum
substrate existence.
