| Parameter | Value | Parameter | Value |
|---|---|---|---|
| PCB Type | Aluminum PCB | Quantity | 5 pcs |
| Layers | 1 Layers | Board Type | Panel PCB |
| Dimensions | 225.2 x 225.2 mm | Copper Weight | 1oz |
| Thickness | 1.6 mm | Min Track / Spacing | 10/10mil |
| Surface Finish | OSP | Min Hole Size | 1.5mm↑ |
| Solder Mask | White | Silkscreen | Black |
| Thermal Conductivity | 1.0W | Voltage Withstand | AC2500V |
This order comprised five single-layer aluminum PCBs produced in panel format, each measuring 225.2 × 225.2 mm with 1.6 mm thickness, 1 oz copper, and 1.0 W/mK thermal conductivity. The specification called for 10/10 mil trace and spacing, minimum 1.5 mm hole size, white solder mask, black silkscreen, and OSP surface finish to support AC 2500 V withstand voltage. These parameters required careful substrate selection and surface preparation to maintain consistent thermal transfer while preserving dielectric integrity across the large panel area.
We performed metal base preparation and circuit imaging followed by etching on the aluminum core, then applied thermal insulation lamination to bond the dielectric layer uniformly. Solder mask application, organic coating for the OSP finish, and anti-oxidation treatment were sequenced to protect the 1 oz copper features. Heat dissipation control steps during lamination and curing ensured the 1.0 W/mK performance was preserved without introducing stress or delamination risks.
Electrical testing at the end of the 4.1-day production cycle verified all five panels met both electrical and thermal requirements. The executed process delivered stable aluminum PCBs with reliable heat management characteristics for the intended application.
Aluminum core boards finished with OSP deliver cost-effective thermal performance and flat coplanarity for high-power SMT assembly.
Discover real factory insights on common engineering queries for HASL Aluminum PCB and OSP Aluminum PCB. As a senior PCB manufacturing engineer, I explain material-specific DFM challenges, surface finish conflicts with aluminum substrates, thermal management issues, and practical solutions to reduce EQs and improve production yield
| Order ID | PCB Type | Layers | Dimensions | Solder Mask | Surface Finish | Quantity | Action |
|---|---|---|---|---|---|---|---|
| ALU-20260715-003 | Aluminum PCB | 1 | 482 x 44 | Black | HASL Lead Free | 5 | View detail |
| ALU-20260531-057 | Aluminum PCB | 1 | 378.5 x 220.5 | Black | HASL Lead Free | 125 | View detail |
| ALU-20260524-021 | Aluminum PCB | 1 | 130 x 240 | Warm White | HASL Lead Free | 20 | View detail |