PCB Copy Service: From Working Board to Manufacturable Files

What Does “PCB Copy” Actually Mean?

The term PCB copy describes a reverse-engineering service that starts with a physical, working circuit board and ends with a complete package of manufacturing files. Those files typically include Gerber/ODB++ data for fabrication, a bill of materials (BOM) with part numbers and values, a centroid file for pick-and-place assembly, and—when the customer needs it—a recovered schematic.

The goal is simple: give a factory everything it needs to build an electrically identical board, even though no original design data exists. If you have ever wondered about the differences between related terms, our guide on PCB clone vs PCB copy vs reverse engineering breaks down what each label really delivers.

Why Companies Need a PCB Copy Service

Boards go out of production. Suppliers disappear. Factories close. When a product is still generating revenue—or still flying in the sky—losing the ability to manufacture its PCB is a crisis. Here are the most common scenarios that lead companies to request a PCB copy:

• End-of-life components: The original design files reference parts that are no longer available. A copy project identifies every component and finds current equivalents.
• Lost design data: The original engineer left, the server crashed, or the files were never properly archived. A physical sample is the only source of truth. Learn how teams handle this in our article on copying a PCB when no schematic, Gerber, or BOM exists.
• Supply-chain independence: A company depends on a sole-source supplier and wants its own file set as insurance.
• Legacy fleet maintenance: Equipment still in service needs spare boards, but the OEM no longer supports the product.
• Second-source qualification: A manufacturer wants a second factory qualified to build the same board.

The PCB Copy Process: Step by Step

Every project follows a structured workflow. The exact steps vary with board complexity, but the general sequence is consistent. For a deep dive, visit our dedicated page on the PCB copy process from sample intake to verified prototype. Below is the condensed version.

Step 1 — Sample Evaluation

The board arrives at the lab. Engineers inspect it for physical damage, corrosion, missing components, and layer count. They photograph both sides under controlled lighting and measure overall dimensions. At this stage, the team determines whether the board is copyable in its current state. Our page on PCB copy sample requirements explains what makes a board suitable—or not—for copying.

Step 2 — High-Resolution Scanning

Outer layers are scanned at 1200–2400 DPI using a calibrated flatbed or dedicated PCB scanner. The scan captures pad geometry, trace routing, silkscreen markings, and solder-mask openings. For multilayer boards, X-ray imaging or controlled delamination reveals inner-layer copper patterns.

Step 3 — Image-to-CAD Conversion

Bitmap images are vectorized and imported into EDA software—typically Altium Designer, PADS, or a specialized reverse-engineering tool. Engineers manually verify every pad, via, and trace against the scan. Automated tools help, but human review catches the errors that software misses. Our overview of PCB reverse engineering software explains where each tool excels and where it falls short.

Step 4 — Component Identification and BOM Creation

Every component on the board is identified by package, value, and part number. Engineers use markings on the parts, cross-referenced against distributor databases. Decapped or unmarked ICs may require electrical testing. The result is a complete BOM with manufacturer part numbers, acceptable alternates, and notes on any obsolete devices.

Step 5 — Schematic Recovery

Netlist data extracted from the layout is used to reconstruct a hierarchical schematic. This step is not always requested, but it is strongly recommended—it makes future modifications, debugging, and compliance review far easier. The process is detailed in our article on recovering a readable schematic from a finished board.

Step 6 — Design Rule Check and Gerber Output

The completed layout undergoes a full DRC. Clearances, annular rings, drill sizes, and impedance-controlled trace widths are all verified against fabrication capabilities. Once clean, the design is exported as Gerber RS-274X or ODB++ files, drill files, and a centroid/placement file.

Step 7 — Prototype Fabrication and Verification

A small batch of bare boards is fabricated and assembled. The prototype is compared to the original using functional testing, boundary-scan (where applicable), and point-to-point continuity checks. Only after the prototype passes all tests is the file set released to the customer.

What You Receive: The Complete Deliverable Set

A professional PCB copy service delivers more than a Gerber archive. Here is the standard file set:

With these files, any competent PCB manufacturer can produce the board without ever seeing the original sample.

Accuracy: How Close Is the Copy?

Customers rightly worry about fidelity. A good copy matches the original to within ±0.05 mm on pad placement and ±10 % on trace width—tight enough that the electrical behavior is indistinguishable. Verification methods include:

• Overlay comparison: The scanned image of the original is overlaid on the CAD output to detect deviations.
• Netlist comparison: The extracted netlist is compared node-by-node against the physical board using continuity testing.
• Impedance measurement: Controlled-impedance traces on the prototype are measured with a TDR and compared to the original.
• Functional testing: The assembled prototype is powered up and tested under the same conditions as the original.

For a thorough explanation of each verification method, see our page on PCB copy accuracy and how a copied board is verified.

How Much Does a PCB Copy Cost?

Pricing depends on several variables: layer count, board size, component density, whether a schematic is needed, and the condition of the sample. A simple two-layer board with through-hole parts might cost a few hundred dollars. A twelve-layer HDI board with BGA packages and blind vias can run into the thousands.

Use the estimator below to get a ballpark figure based on your board’s characteristics:

For a detailed breakdown of the six factors that move your quote, read our dedicated article on PCB copy cost.

Multilayer and Complex Boards

Single- and double-sided boards are straightforward to copy. The real engineering challenge begins at four layers and escalates with every additional pair. Inner layers cannot be scanned without delaminating the board—a destructive process that requires a second sample or careful planning. Blind and buried vias, sequential lamination, and impedance-controlled differential pairs all add complexity.

Our guide on multilayer PCB copy explains how layer count changes the method, the price, and the risk profile of a project.

HDI and Microvia Boards

High-density interconnect boards use laser-drilled microvias, stacked or staggered, with line/space geometries below 75 µm. Copying these boards requires specialized X-ray equipment and careful stackup reconstruction. The margin for error is smaller, and prototype verification is more rigorous.

Flex and Rigid-Flex

Flexible circuits add material characterization to the task list. The polyimide substrate, adhesive layers, and stiffener locations all need to be documented. Bend-radius constraints must be captured in the fabrication notes, not just the copper geometry.

Can a Damaged Board Be Copied?

Yes—within limits. Burnt traces can often be reconstructed from context: the pads they connected to are still visible, and the netlist logic fills in the gap. Corroded copper is harder but usually recoverable if the damage is localized. A board that has been snapped in half is a different story; if critical routing is destroyed on every layer, recovery may be partial at best.

We have a dedicated page on copying a burnt, corroded, or physically damaged board that explains what is still recoverable and what is not.

PCB Copy vs. Redesign: Which Do You Need?

A PCB copy produces an exact replica. A redesign takes the same circuit and re-implements it—perhaps on a smaller board, with newer components, or to meet updated regulatory requirements. The two services start the same way (reverse engineering the original), but they diverge at the layout stage.

If you are unsure which path fits your project, our comparison of PCB copy vs PCB redesign will help you decide.

Legal Considerations

PCB copy is legal when you own the board, hold the IP rights, or have authorization from the rights holder. It is illegal when it infringes on patents, copyrights, or trade secrets. Reputable service providers ask about ownership before accepting a project and will decline jobs that present clear IP risks.

Common legitimate scenarios include copying your own legacy product, duplicating a board you designed but lost the files for, and reverse-engineering for interoperability or repair. Our article on whether PCB copy is legal covers ownership, patents, and the jobs responsible labs turn down.

Real-World Case Studies

Theory is useful, but real projects show what the process looks like under pressure. Here are a few examples from our lab:

• Aviation autopilot board: A legacy autopilot module for a regional aircraft needed spare boards. The OEM had been acquired twice, and no files survived. We recovered the full file set from a single working sample. Read the aviation autopilot case study.
• ATM main control board: A bank operating hundreds of ATMs needed a clone of the main control board after the manufacturer discontinued it. The project included BGA reballing verification and extended-temperature testing. Read the ATM board clone case study.
• High-frequency power supply: A six-layer power supply board with custom magnetics was copied and the transformer specifications were reconstructed from impedance measurements. Read the power supply board case study.

Checklist: Preparing Your Board for a Copy Project

Before you ship your sample, run through this checklist to speed up the process and avoid surprises:

1. Confirm ownership or authorization. Have documentation ready if the board belongs to a third party.
2. Count your samples. One board is the minimum. Two are ideal—one for non-destructive scanning, one for delamination if inner layers need to be exposed.
3. Note the board’s condition. Photograph any damage, missing parts, or modifications (bodge wires, cut traces).
4. List your deliverables. Do you need just Gerber + BOM, or a full schematic as well?
5. Specify your target EDA format. Altium, KiCad, PADS, OrCAD—let the lab know so files are delivered in a format you can open.
6. Define your timeline. Rush projects are possible but cost more. Standard turnaround is 5–15 business days depending on complexity.
7. Identify any known obsolete parts. If you already know certain components are discontinued, share that information upfront so the BOM team can start sourcing alternates immediately.

Frequently Asked Questions

How many samples do I need to send?

One working sample is the minimum. For multilayer boards (four layers or more), a second sample is strongly recommended because inner-layer extraction is destructive.

Can you copy a board if some components are missing?

Usually yes. Empty pads, silkscreen markings, and circuit context help identify missing parts. The more components that remain, the faster and more accurate the identification.

How long does a typical PCB copy project take?

A simple two-layer board can be completed in 3–5 business days. A complex multilayer board with schematic recovery may take 2–3 weeks. Factors that affect timeline are discussed in detail on our page about PCB copy turnaround time.

Will the copied board work with my existing enclosure and connectors?

Yes. A faithful PCB copy preserves the board outline, mounting-hole locations, and connector positions exactly. The copied board is a drop-in replacement.

What file formats do you deliver?

Standard deliverables include Gerber RS-274X, Excellon drill files, BOM in Excel/CSV, and centroid files. Native EDA project files (Altium, KiCad, etc.) are available on request.

Getting Started

If you have a board that needs to be copied, the fastest path forward is to send us photographs of both sides along with a brief description of what you need. We will evaluate the board, estimate the timeline and cost, and let you know exactly what deliverables you can expect. Contact our engineering team to start the conversation.

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