Description
What is 2 Layer Aluminum PCB (Double-Sided Alu PCB)
The 2 Layer Aluminum substrate is normally more complicated, and it consists of five structures: Layer, dielectric Layer, Aluminum base Layer, dielectric layer and the circuit layer.
The Aluminum material of the Aluminum base PCB layer has high thermal conductivity and is suitable for aluminum alloy plates with conventional processing methods such as drilling, punching, and copper.
2 Layer Aluminum PCB is called double-sided Aluminum PCB. its substrates can still only have one LED, a single layer trace, double-sided Aluminum substrates can be used for LEDs on both sides, and double-sided Aluminum substrates require two layers of trace, then single-sided Aluminum substrated and double-sided Aluminum substrate processing.
Compared with the single-sided Aluminum PCB, the double-sided Alu board has more stamping process and electroplating processes, but the price is higher. As the 2 Layer Aluminum manufacturing process is more difficult, you need to drill holes twice (as it is not easy to plate copper on the Aluminum base material directly)
2 Layer Aluminum PCB Stack up
2 Layer / Double-Sided Aluminum Base Board PCB Capability:
| Items | Capability |
| Board Classification | Aluminum Base, Copper Base, Ceramics Base, Copper-Clad, Combined Bade Board |
| Material | Domestic Aluminum, Domestic copper,lmported aluminum, lmported copper |
| Surface Treatment | HASL/ENIG/OSP/Silver |
| Layer Count | Single-sided printed board/Double-sided printed board |
| Max.Board Size | 1200mm*480mm |
| Min. Board Size | 5mm*5mm |
| Trace width/Space | 0.1mm/0.1mm |
| Warp and twist | <=0.5%(Thickness:1.6mm,Board Size:300mm*300mm) |
| Board Thickness | 0.5mm-5.0mm |
| Copper Thickness | 35um/70um/105um/140um/175um/210um |
| Min. punching Hole | 1.0mm(Board thickness below1.0mm) |
| Min Hole Diameter | 0.6mm |
| Min. Solder Mask Opening | 0.35mm |
DELIVERY TIME:
| Single Sided aluminum based board | Double-sided aluminum-based board | Single sided copper based board | Double sided copper based board | Ceramic based board | |
| Prototype | 5 Working Days | 14 Working Days | 9 Working Days | 16 Working Days | 8 Working Days |
| Mass Production | 8 Working Days | 17 Working Days | 12 Working Days | 19 Working Days | 11 Working Days |
| MP in repeat order | 7 Working Days | 16 Working Days | 11 Working Days | 18 Working Days | 10 Working Days |
MAJOR SUPPLIER:
| Supplier | Material | Origin |
| Boyu | Aluminum | Huizhou China |
| Mingrong | Aluminum | Shenzhen China |
| Naya Metal | Copper | Dongguan China |
| Shengyi | Copper Clad Laminate | Guangdong China |
| Taiyo | Solder Mask | Japan |
| Guangxin | Solder Mask | Guangzhou China |
PROCESS-FlOW:
