ORINEWPCB · MATERIALS, COMPONENTS & TURNKEY ASSEMBLY
Metal Core PCB Manufacturing & Assembly
Choose a metal-based PCB construction around your electrical, thermal and mechanical requirements. OrinewPCB reviews the board, component BOM and assembly scope together for high-mix, small-to-medium production programs.
Metal core PCB and metal-backed PCB are broad terms used for constructions that include a metal base or core. Aluminum and copper are common choices. Define the layer drawing, insulation and mounting arrangement because the label alone does not establish thermal performance or fabrication requirements.
Compare complete constructions before choosing the metal
Start with the intended heat path, required routing and electrical isolation. Then compare materials and build structures against the application. A metal base helps move heat only when the rest of the thermal path is designed appropriately. It does not replace product-level thermal validation.
| Review item | What to provide | Why it matters |
|---|---|---|
| Aluminum-based construction | Base thickness, dielectric, copper, mounting and required isolation. | Often considered for lighting and power layouts; confirm the full construction. |
| Copper-based construction | Metal grade, thickness, thermal interface, weight and mechanical constraints. | Review the complete design and quotation rather than assuming the metal alone resolves thermal limits. |
| Routing and interconnects | Layer drawing, plated/non-plated holes, vias, edge clearances and metal isolation. | Metal-based holes and interconnects need a clearly defined manufacturing approach. |
| Thermal interface | Flatness, mounting pressure or fastening requirements and interface material. | Poor contact elsewhere in the assembly can dominate the cooling path. |
| Verification | Bare-board electrical tests plus any required isolation, thermal or functional acceptance. | State the method and limits; these checks establish different aspects of the product. |
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Use a construction review to resolve the difficult interfaces
Send the sectional drawing and mounting drawing with the circuit files. Identify any live conductors near the metal base, holes or edges, and state the required insulation criteria. If the design uses a specialized thermal path, describe it explicitly for feasibility review. Do not rely on a marketing term to communicate an unusual stack-up.
- Describe the application, thermal sources and intended cooling path.
- Supply the full layer drawing, metal/base thickness and dielectric specification.
- Mark mounting holes, insulated clearances and critical mechanical dimensions.
- Align component mounting and soldering requirements with the construction.
- Agree electrical, thermal, isolation and functional acceptance scope as applicable.
Aluminum PCB or another metal-based structure?
The aluminum PCB page focuses on the common aluminum-backed construction and its mounting details. This page covers the broader decision: the metal, layer arrangement, interconnect approach and interface to the product. If you are still comparing options, send the design priorities and identify which requirements are mandatory. We can review manufacturability and quotation assumptions before you release an order.
Aluminum-backed construction details · Compare ceramic substrate needs
Quality from the bare PCB to the finished assembly
Every bare PCB we manufacture receives flying-probe electrical testing, not just a sample. Include the netlist where available and identify the required electrical-test records in your RFQ. Bare-board electrical testing checks manufactured networks; it is distinct from assembly inspection and finished-circuit functional validation.
OrinewPCB supplies and uses 100% brand-new, original, genuine electronic components in customer turnkey assemblies. Our manufacturer and distributor cooperation helps us seek competitive BOM prices and practical delivery options. Confirm full MPNs, source restrictions, documentation and current availability for your project. Proposed alternatives require your approval.
Nine PCBA quality stages
Our assembly quality workflow covers nine stages, with the applicable inspection scope agreed for the build:
- IQC: incoming material checks.
- SPI: solder paste inspection.
- Online AOI: in-line optical inspection.
- SMI: first-article inspection.
- IPQC: in-process quality checks.
- Offline AOI: post-solder optical inspection.
- X-ray: hidden-joint inspection to the agreed scope.
- Manual QC: workmanship review.
- Pre-shipment QA: identification, quantity and packaging checks.
These are nine quality stages, not nine functional tests on every assembly. Programming, ICT, functional testing and application-specific validation need agreed procedures, access or fixtures and pass/fail criteria. See our factory and quality workflow.
One review for your board, BOM and assembly release
Small-to-medium batches and high-mix turnkey PCB assembly are core OrinewPCB strengths. Ask us to review PCB fabrication, component purchasing and assembly against the same design revision. If you only need bare PCBs or specific components, identify that scope in your request.
PCB manufacturing
Approved materials and construction, with every manufactured bare board flying-probe electrically tested.
Genuine BOM sourcing
100% brand-new original genuine components, with exact MPNs and customer-approved alternatives.
Turnkey PCBA
Coordinate the board, sourcing, assembly and agreed inspection, programming or functional-test requirements.
Our cooperation with manufacturers and distributors helps us seek competitive BOM prices and practical availability. Compare complete-build quotations using the same material, BOM, quantities, documentation and test scope. Prices and delivery are confirmed for the actual release; no component substitution is assumed.
Explore one-stop PCB assembly, electronic component sourcing and the OrinewPCB brand website.
Protect the target date with a complete release
We prioritize quality and the earliest practical delivery for the agreed build. Provide quantities by model, required delivery date and any critical component restrictions. Distinguish dispatch from arrival, and identify whether a smaller first batch or staged delivery is useful. Material availability, engineering approvals, component sourcing and test readiness affect the confirmed schedule.
For an urgent project, include the non-negotiable requirements and first-build priorities. See our quick-turn planning guidance and request a schedule review with your files.
Request a Metal Core PCB & turnkey PCBA review
Tell us whether you need bare PCBs, BOM sourcing or complete turnkey assembly. For an initial discussion, describe the application; files can follow once the scope is clear.
- Released PCB files and fabrication drawing
- BOM with full MPNs, placement data and assembly drawing
- Quantity for each model/variant and target delivery date
- Sectional drawing with metal, dielectric, circuitry and hole construction
- Required electrical isolation, thermal interface and acceptance limits
View Turnkey PCBA Quote Requirements
Email: [email protected]
An inquiry does not authorize purchasing, material changes or production.
Send your project requirements
Email is required. Include your material and whether you need “bare PCB,” “BOM sourcing” or “full turnkey PCBA.”
Metal Core PCB & Assembly FAQ
Are metal core and aluminum PCB exactly the same?
Aluminum is one common metal-base choice, but metal-based PCB terminology covers more than one material and construction. Use the approved sectional drawing to remove ambiguity.
Does higher metal conductivity guarantee a cooler component?
No. The component package, dielectric, interfaces, heat sink and ambient conditions also affect temperature. Evaluate the complete thermal path under the intended operating conditions.
Can I request complete metal core PCB assembly?
Yes. Provide the construction, board files, BOM, placement data, quantity and inspection/test requirements. Specialized processes or interfaces are reviewed before the scope is confirmed.
Which checks are included for a metal-based design?
Every bare PCB we manufacture receives flying-probe electrical testing. Additional isolation, thermal or assembly functional tests require an agreed method, setup and pass/fail criteria.
