Audio balanced amplifier Aluminum mcpcb aplication
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Audio balanced amplifier Aluminum mcpcb aplication
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Audio balanced amplifier Aluminum mcpcb aplication
Multilayer Aluminum PCB /MCPCB
Under the expression of most people, there is only sing-sided Aluminum PCB /MCPCB. In fact, there are multilayer MCPCB. Multilayer IMS PCBs are made from multiple layers of thermally conductive MCPCB dielectric material. In Heros Electronics, we can make single-side and double-side aluminum PCB.
Notes in MCPCB/Aluminum PCB manufacturing process
In the MCPCB / Aluminum PCB manufacturing process, MCPCB manufacturers should pay attention to the artwork fabrication, material selection, image transferring, etching, surface finish and profile, etc.
Characteristics: High heat sinking, electromagnetic shielding, and high mechanical properties, good processing performance.
The use of aluminum circuit board
1. Aluminum PCB Characteristics and ApplicationsComposition of aluminum pcbThe aluminum pcb is a metal based CCL having good heat dissipation function, it iscomposed by a unique three-layer structure, respectively, the circuit layer (copper foil), aninsulating layer and the metal substrate. The aluminum pcb (metal base heat dissipationplate (containing aluminum pcb, copper substrate, iron substrate)) is a low-alloyed Al-Mg-Si-based high plasticity alloy plate, it has a good thermal conductivity, electrical insulationperformance and mechanical processing properties. Compared with conventional FR-4, thealuminium pcb uses the same thickness, the same width, the aluminum plate is capable ofcarrying higher currents, the aluminum plate can withstand up to 4500V voltage, the thermalconductivity is greater than 2.0.Features of aluminum pcb:Using Surface Mount Technology (SMT)Effectively treat thermal diffusion in the circuit designReduce product operating temperature, increase the power density and reliability, and toextend the life of the productReduce product volume, lower hardware and assembly costsReplace the fragile ceramic substrate, to obtain better mechanical durabilityThe custom pcb board materials have incomparable advantages that other materials don’thave. It is applicable for installing SMT process on the surface of power components. Noneed for radiator, greatly reduce the volume, cooling effect is excellent, good insulatingproperties and mechanical properties.Three components of aluminum plateAluminum plate is composed of the circuit layers (copper foil layers), the thermal insulatinglayer and the metal substrate. Circuit layer requires a large current carrying capacity, whichshould use more thick copper foil, the thickness is generally 35m to 280m; thermal insulationlayer is the core technology of the PCB aluminum pcb, usually it is constituted by a specialceramic special polymer, small thermal resistance, excellent viscoelastic properties, and hasthe ability to resist heat aging, able to withstand the mechanical and thermal stresses. Thethermal insulation layer of IMS-H01, IMS-H02 and LED-0601 high-performance PCBaluminum pcb uses such technology, it requires to have very good thermal conductivity andhigh strength electrical insulation properties; metal substrate is the support member ofaluminum pcb, which is required to have high thermal conductivity, generally aluminum, alsocan use copper (copper is able to provide better thermal conductivity), suitable for drilling,punching and cutting, and other conventional machining. Process requirements: gold-plated,HAL, osp antioxidant, Immersion Gold, Lead-free ROHS process, etc.
1.Audio device: input, output amplifier, balanced amplifier, audio amplifier, preamplifier, power amplifier.
2. Power supply equipment: a switching regulator `DC / AC converter` SW regulator like.
3. Communication electronic equipment: high-frequency amplifier `filtering appliances` transmitter circuit.
4.Of office automation equipment: motor drive.
5.Car: electronic regulator, ignition, power controller.
6.Computer: CPU board floppy disk drive, power supply units.
7.Power module: inverter, solid state relays, power rectifier bridges.
8.lamps lighting: With advocated the promotion of energy-saving lamps, colorful LED lights in a variety of energy-saving received by the market, while the aluminum plate used in LED lights also began a large-scale application of the mainstream market aluminum plate Forth Wright aluminum plate.
Usage: Power Admixture IC (HIC).
1. Audio Equipment: Input and output amplifier, balanced amplifier, audio amplifier; Pre-amplifier and Power amplifiers ect;
2. Power Equipment: Switching regulator `DC / AC converter and SW regulator ect;
3. Telecommunications electronic equipment: High-frequency electrical filter, increases device and transmitter circuit;
4. Office automative equipment: Elector motor drive and so on;
5. Cars: Electronic regulator. Electronic Igniter and power controller;
6. The computer: CPU board. Floppy disk drive devices and power installation;
7. Power Modules: Converter and power rectifier bridges.
1. There is side etching of Aluminum core PCB, factory must meet the accuracy of the trace so that need to do some trace compensation when make working Gerber files, but compensation must be confirmed as per the value of side etched with different MCPCB substrate thickness, the artwork is negative.
Single Layer Metal Core PCB
A simple layer single sided MCPCB consists of a metal base (usually aluminum, or copper alloy), Dielectric (non-conducting) Layer, Copper Circuit Layer, IC components and solder mask.
The prepreg dielectric provides excellent heat transfer from the foil and components to the base plate, while maintaining excellent electrical isolation. The base aluminum/copper plate gives the single-sided substrate mechanical integrity, and distributes and transfers the heat to a heat sink, mounting surface or directly to the ambient air.
The Single-Layer MCPCB can be used with surface mount and chip & wire components, and provides much lower thermal resistance than FR4 PWB. The metal core provides lower cost than ceramic substrates, and allows much larger areas than ceramic substrates.
Double Layers Metal Core PCB
Double layers MCPCB is consisting of two layers of copper conductor, put them on same side of metal core (usually aluminum, copper or iron alloy). The metal base is on the bottom of whole MCPCB, which is different from double sided MCPCB(the two copper layers were put on the each side of metal core respectively), and you can only populate SMD on top side.
Different with Single layer MCPCB, 2 layers MCPCB requires an additional pressing step to laminate the imaged thermal conductive laminate and metal core (also known as metal base) together.
Compared with normal FR4, this sturcture need more technology and experience on laminating of two layers together with metal core.
The processing steps of the MCPCB with the metal base embedded in the PCB are comparatively complex as hole plugging is required after primary drilling on the metal base in order to isolate it from the circuitry.
Double Sided Metal Core PCB
It also has same two layers of copper conductor like Double layers MCPCB, but the metal core is in the middle of two conductor, so there're conductors (trace) on both sides of metal core, and were connected to each other by Vias. So we named it "Double sided MCPCB", and you can populated SMD on both top and bottom.
Different with Single layer MCPCB, double sided MCPCB also requires an additional pressing step to laminate the imaged thermal conductive laminate and metal core (also known as metal base) together. But sometimes, some raw Metal Clad material vendor will supply board material which already laminated.
Compared with normal FR4, this sturcture need more technology and experience on laminating of two layers together with metal core.
Multi Layers Metal Core PCB
Just like FR4 PCB, we can also make boards with more than 2 layers of traces and we named it "Multi Layers MCPCB". The structure is similar with FR4 Multi Layers, but it much more complex to make.
You can populated more components on the boards, put signal and ground layer into seperated layers, to achieve better performance in electrical performance.
Compared with normal FR4, this sturcture need more technology and experience on laminating of more than two layers together with metal core and the cost is much higher than 2 layers MCPCBor double sided MCPCB.
Application of MCPCB
It also has same two layers of copper conductor like Double layers MCPCB, but the metal core is in the middle of two conductor, so there're conductors (trace) on both sides of metal core, and were connected to each other by Vias. So we named it "Double sided MCPCB", and you can populated SMD on both top and bottom.
Different with Single layer MCPCB, double sided MCPCB also requires an additional pressing step to laminate the imaged thermal conductive laminate and metal core (also known as metal base) together. But sometimes, some raw Metal Clad material vendor will supply board material which already laminated.
Compared with normal FR4, this sturcture need more technology and experience on laminating of two layers together with metal core.
Multi Layers Metal Core PCB
Just like FR4 PCB, we can also make boards with more than 2 layers of traces and we named it "Multi Layers MCPCB". The structure is similar with FR4 Multi Layers, but it much more complex to make.
You can populated more components on the boards, put signal and ground layer into seperated layers, to achieve better performance in electrical performance.
Compared with normal FR4, this sturcture need more technology and experience on laminating of more than two layers together with metal core and the cost is much higher than 2 layers MCPCBor double sided MCPCB.
Application of MCPCB
LED lights:High-current LED, Spotlight, high-current PCB
Industrial power equipment:High-power transistors, transistor arrays, push-pull or totem pole output circuit (to tem pole), solid-state relay, pulse motor driver, the engine Computing amplifiers (Operational amplifier for serro-motor), pole-changing device (Inverter)
Cars:firing implement, power regulator, exchange converters, power controllers, variable optical system
Power:voltage regulator series, switching regulator, DC-DC converters
OA:Printer driver, large electronic display substrate, thermal print head
Audio:input - output amplifier, balanced amplifier, pre-shield amplifier, audio amplifier, power amplifier
Others:Semiconductor thermal insulation board, IC arrays, resistor arrays, Ics carrier chip, heat sink, solar cell substrates, semiconductor refrigeration device
Advantage:
1.Aluminium PCB & LED PCB factory directly
2. Aluminium PCB & LED PCB Have the comprehensive quality control system
3. Aluminium PCB & LED PCB good price
4. Aluminium PCB & LED PCB quick turn Delivery time from 48hours.
5. Aluminium PCB& LED PCBcertification(ISO/UL E354810/RoHS).
6.8 years experience in exporting service
7.Aluminium PCB& LED PCB is no MOQ.
8.PCB is high quality.Strict through theAOI(Automated Optical Inspection),QA/QC,fly porbe ,Etesting
LED lights:High-current LED, Spotlight, high-current PCB
Industrial power equipment:High-power transistors, transistor arrays, push-pull or totem pole output circuit (to tem pole), solid-state relay, pulse motor driver, the engine Computing amplifiers (Operational amplifier for serro-motor), pole-changing device (Inverter)
Cars:firing implement, power regulator, exchange converters, power controllers, variable optical system
Power:voltage regulator series, switching regulator, DC-DC converters
OA:Printer driver, large electronic display substrate, thermal print head
Capability
layers:1-4layers Base material: Aluminum/Copper/Iron Alloy Thermal Conductivity (dielectrial layer): 0.8, 1.5, 2.0, 3.0 W/m.K. Withstand voltage:2000-8000V Board Thickness: 0.5mm~3.0mm(0.02\"~0.12\") Copper thickness: 0.5 OZ, 1.0 OZ, 2.0 OZ, 3.0 OZ, up to 6 OZ Outline: Routing, punching, V-Cut Soldermask: White/Black/Blue/Green/Red ,Taiyo PSR4000 white Legend/Silkscreen Color: Black/White Surface finishing: Immersion Gold, HASL, OSP Max Panel size: 600*1200mm(23.62\"*47.24\") Packing: Vacuum/Plastic bag Samples L/T: 4~6 Days
Detailed Product Description
Single Layer Metal Core PCB
A simple layer single sided MCPCB consists of a metal base (usually aluminum, or copper alloy), Dielectric (non-conducting) Layer, Copper Circuit Layer, IC components and solder mask.
The prepreg dielectric provides excellent heat transfer from the foil and components to the base plate, while maintaining excellent electrical isolation. The base aluminum/copper plate gives the single-sided substrate mechanical integrity, and distributes and transfers the heat to a heat sink, mounting surface or directly to the ambient air.
The Single-Layer MCPCB can be used with surface mount and chip & wire components, and provides much lower thermal resistance than FR4 PWB. The metal core provides lower cost than ceramic substrates, and allows much larger areas than ceramic substrates.
Double Layers Metal Core PCB
Double layers MCPCB is consisting of two layers of copper conductor, put them on same side of metal core (usually aluminum, copper or iron alloy). The metal base is on the bottom of whole MCPCB, which is different from double sided MCPCB(the two copper layers were put on the each side of metal core respectively), and you can only populate SMD on top side.
Different with Single layer MCPCB, 2 layers MCPCB requires an additional pressing step to laminate the imaged thermal conductive laminate and metal core (also known as metal base) together.
Compared with normal FR4, this sturcture need more technology and experience on laminating of two layers together with metal core.
The processing steps of the MCPCB with the metal base embedded in the PCB are comparatively complex as hole plugging is required after primary drilling on the metal base in order to isolate it from the circuitry.
Double Sided Metal Core PCB
It also has same two layers of copper conductor like Double layers MCPCB, but the metal core is in the middle of two conductor, so there\'re conductors (trace) on both sides of metal core, and were connected to each other by Vias. So we named it \"Double sided MCPCB\", and you can populated SMD on both top and bottom.
Different with Single layer MCPCB, double sided MCPCB also requires an additional pressing step to laminate the imaged thermal conductive laminate and metal core (also known as metal base) together. But sometimes, some raw Metal Clad material vendor will supply board material which already laminated.
Audio:input - output amplifier, balanced amplifier, pre-shield amplifier, audio amplifier, power amplifier
Others:Semiconductor thermal insulation board, IC arrays, resistor arrays, Ics carrier chip, heat sink, solar cell substrates, semiconductor refrigeration device
2. During the flow process of Aluminium PCB layer image, it usually use 0.3mm epoxy board, which the size is the same as the aluminium PCB board, and use the tape to blockade and compaction to avoid solution infiltration. After the finish on copper surface, the best way is to use the chemical micro etching, and then after board baking it should deal with wet film to prevent oxidation.
3. In the flow process of etching Aluminum PCB Board, need to use test boards to adjust the solution to ensure the best etching results. After etching on Aluminum based PCB, the way is to use SN solution to do strip immediately. In the process of etching in Aluminium PCB, need to use test boards to adjust the solution to ensure the best etching results.
4. Most of Aluminum PCB Manufacturers make the hole with diameter less than 6.0mm with NC drilling, but have to make the holes more than 6.0mm with routing, which can not ensure the hole size 100% round. If there is strict requirement of round holes, they will ask make a punching mould to make them more than 6.0mm.
5. Not like around 2008, nowadays more and more LED light designer and manufacturer has a demand of big Aluminum MCPCB or FR4, like 1200mm or even to 1600mm. For such long Aluminum PCB, most Aluminum PCB suppliers can’t provide since they haven’t big enough equipment, like electroplate copper line, exposure machine, routing machine, related surface treatment line and routing machine. As a professional PCB manufacturer, we can do it perfectly.
For furhter information, please feel free to contact us, www.pcbsino.com
