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Aluminum Core PCB for LED application

Aluminum is superior in heat conduction, corrosion resistance, lightweight and cost.

Technical Challenges

MITS protopyping machines can resolve the technical challenge

Extremely accurate cutting depth control is required to correctly mill the copper layer without breaking insulation/adhensive layer.
Our prototyping machines overcome challenges with precisely controlled motor driven Z-axis, highly accurate and ruggedized mechanism, flatness of the work table, and cross angular accuracy of X,Y and Z-axis.
High torque spindle motor to ensure counter routing of Aluminium base. Smooth running of routing is performed by soft control of powerful spindle motor unit.

Recommended model

Example of processing method

Millig Couter Routing
Tool HF Milling Bit Tool Aluminum Bit
Milling Method Incremental Milling Routing Method 3 stage step milling
Spindle Speed 30,000 RPM Spindle Speed 40,000 RPM
Head Travel Speed 6mm/sec
(0.3mm HF Milling Bit)
(0.5mm HF Milling Bit)
Head Travel Speed 2mm/sec
(1.0mm Aluminum Bit)
* Above milling conditions are shown just as a rough standard.

50µm(2mil) line and space, the state of the art!

FP-21T Precision
Stepping method and non-contacting pressure foot lead to the fine processing technology

MITS General Catalog

(PDF file / 1.8MB)

MITS Electronics


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Before Processing
Supplier: REVOX Inc.
Pattern: Aluminum/Single-sided
Surface: White Resist
Size: 22mm x 22mm
Thickness: t=1.0mm
Mounting Holes: ø3.2mm x 2
ø3.4mm x 4

Process from the top to Insulation/Adhesive layer
Copper layer is correctly milled without breaking Insulation/Adhesive layer!
Cut out the outline
Clearly cut out along the outline
Process from the top to copper layer
White resist is clearly rubbed out without breaking the wiring part of the resist!