Aluminum PCB

Quick Details
Place of Origin: Guangdong, China
Base Material: Alu
Copper Thickness: 1/2oz
Board Thickness: 1mm
Min. Hole Size: 0.25mm
Min. Line Width: 3mil
Min. Line Spacing: 0.003″
Surface Finishing: HASL
Silkscreen: White
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Metal core or IMS (Insulated Metallic Substrate) circuit boards are an excellent alternative to standard circuit boards, if the circuit boards are exposed to large mechanical loads, or a high level of dimensional stability is required, or high temperatures must be conducted away from power components or LEDs. Benefit from our many years of experience with Insulated Metal Substrate (IMS) PCBs.

The thermal conductivity assisted by the aluminium core in the circuit boards enables higher packing densitymore stable operating parametershigher operational safety and a reduced failure rate. Ideal e.g. for laser diodes!

The integration of the cooling unit in the printed circuit board also results in space savings.

Additional application areas for this technology include: high current application, power LED’s, SMD and power circuit boards. The high thermal conductivity and small insulation thickness (standard: 100µm) permits a quick and effective transfer of the heat produced.

In addition, BETON PCB is also at your side for further aspects of thermal management:

  • Design / construction of the heat-critical circuit board
  • Thermal via array
  • Thick-Copper PCBs

BETON Aluminum PCB & Metal Core included :

  • Alu core 1.5mm 1.6mm, 2.0mm thickness, 35µm Cu, 70um Cu thickness
  • 1.0W/mK, 2.0 W/mK Thermal conductivity
  • 100µm Insulation thickness
  • Surface HAL lead-free
  • 1x solder-stop white
  • Milling inner / outer
  • V-Scoring (clean & simple)
  • E-Test, Design Rule Check

Available types

1 or multi-layers Alu PCB or Metal core PCB

You can order single sideddouble sided and double sided pth aluminium core circuit boards from BETON PCBs Factory (see: layer buildup). Depending on the design, the thermal conductivity ranges from 1.0 to 7.0 W/mK (the value for FR4 is approx. 0.3 W/mK).

The option Z-axis milling of the insulation also allows a direct connection of the components to the aluminum core by means of thermal paste (or similar). Bendable metal core printed circuit boards with ceramic-based insulation can also be produced.

Technical options for Metal core circuit boards

Options   Notes
Material Aluminium core or Copper core Data sheets
Max. size 420mm x 570mm
Aluminium thickness 0.5mm, 0.8mm, 1.0mm, 1.5mm, 2.0mm Standard: 1.5mm
Copper 35µm, 70µm, 105µm only2.0mm) Standard: 35µm
Insulation thickness 75µm, 100µm, 125µm, 150µm Standard: 100µm
Thermal conductivity 1.0W/mK – 7.0W/mK Standard: 2.0W/mK
Surface HAL lead-free, chemical gold Surfaces
Solder-stop white, black, green, red, blue Standard: white
Legend print black, white
Milling yes
V-Scoring yes clean & simple
Z-Axis milling yes
RoHS compliant yes
UL-certified yes

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