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Aluminum PCB

In recent years, LED industry has been rapidly developed, but the problem of heat dissipation has been puzzling the application and development of LED, especially high-power LED in the field of lighting. The application of metal substrate provides a new way to solve the heat dissipation of LED effectively.

Metal core pcb is abbreviated as MCPCB, it is made of thermal insulating layer, metal plate and metal copper foil, which has special magnetic conductivity, excellent heat dissipation, high mechanical strength and good processing performance. For metal core base material, there is aluminum and copper base materials. Aluminum substrate is a kind of metal-based copper clad plate with good heat transferring and dissipation function. Copper substrate has better performance than aluminum, but its price is relatively more expensive than aluminum.

Clients order aluminum pcbs more often, because the price of aluminum pcb is much more economic, they are used for LED lighting, audio frequency apparatus and communication electronic equipment.

Mcpcb Stackup

A simple layer single sided MCPCB consists of a metal base (usually aluminum, or copper alloy), Dielectric (non-conducting) Layer, Copper foil, IC components and solder mask.

Single Layer MCPCB Structure

1-21040G33KCN.jpg

COB MCPCB, known as "Chip-On-Board" Metal Core PCB, is a type of MCPCB used in thermoelectric separation application. 

Structure of COB MCPCB

1-21040G33Qc37.jpg

Two (Double) layers MCPCB is consisting of two layers of copper trace, put them on same side of metal core (usually aluminum, copper or iron alloy).

Structure of 2L MCPCB

1-21040G33S21E.jpg

It also has another “two layer” of copper trace like Double layers MCPCB, but the metal core is in the middle of two copper foil, 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.

Structure of Double Sided MCPCB

Multi Layers More Core PCB, you need to consult the salesperson first if APOLLOPCB can be manufactured, The structure is similar with FR4 Multi Layers, but it much more complex to make.

Structure of Multi Layers MCPCB

As our production capacity will always be upgraded and improved, in order to ensure the latest information Capability of MCPCB you can check with our agent or checking below table for your reference.

 

Check APOLLOPCB Aluminum core PCB manufacturing capabilities in the following table:

 No.

  Item

  Process Capability Parameter

1

  Base Material

  Aluminum and Copper

2

  Number of Layers

  1 Layer, 2 Layers, 4 Layers

3

  PCB Size

  1 Layer:1500*300mm Multi-layers: 600*500mm

4

  Quality Grade

  Standard IPC 2

5

  Thermal Conductivity (ω/m-k)

  2W, 3W, 8W, 12W...298W

6

  Board Thickness

  0.8-3.2mm

7

  Min Tracing/Spacing

  4mil / 4mil

8

  Plated Through-hole size

  ≥0.2mm

9

  Non-Plated Through-hole size

  ≥0.8mm

10

  Copper Thickness

  1oz, 2oz, 3oz, 4oz, 5oz...12oz

11

  Solder Mask

  Green, Red, Yellow, White, Black, Blue, Purple, Matte Green, Matte Black, None

12

  Surface Finish

  Immersion Gold, OSP, Hard Gold, ENEPIG, Immersion Silver, None

13

  Other Options

  Countersinks, Castellated Holes, Custom Stackup and so on.

14

  Certification

  ISO9001, UL CANADA and UL USA, RoHS, REACH

 


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