Multilayer PCB Manufacturer
LZJPCB provides multilayer PCB fabrication from engineering prototypes to repeat production. Our team supports rigid, HDI, flex, ceramic, metal-core, Rogers, heavy-copper and High-Tg multilayer boards with stack-up review, impedance control, 100% electrical testing and one-to-one engineering support.
- Since 2006
- Up to 40 Layers
- 4 Production Bases
- 100% Electrical Test
Multilayer PCB Manufacturing Capabilities
Use these manufacturing limits to qualify your board before RFQ. The values below come from LZJPCB’s published factory capability data.
Built for dense, high-layer-count boards
Our multilayer PCB manufacturing line covers controlled impedance, blind and buried vias, back drilling, heavy copper, mixed materials and complex layer registration.
| Capability | LZJPCB Range | Manufacturing Use |
|---|---|---|
| Layer count | Up to 40 layers | Prototype, engineering and high-complexity production programs |
| Minimum trace / space | 3 / 3 mil | Dense routing and fine-pitch component breakout |
| Mechanical drill | Down to 0.10 mm | High-density through-hole interconnection |
| Finished board thickness | 0.20–17.50 mm | Thin compact boards through heavy backplanes |
| Copper thickness | Up to 12 oz | Power conversion, high current and thermal spreading |
| Impedance tolerance | ±5% | High-speed digital, telecom and RF signal paths |
| Via structures | Blind, buried, microvia, back drill | HDI routing and high-speed stub reduction |
| Material systems | FR-4, High-Tg, Rogers, PTFE, RCC, metal core, hybrid | Electrical, thermal and reliability matching |
| Surface finishes | HASL, LF HASL, ENIG, Ag, Sn, hard gold, OSP | Solderability, contact wear and storage-life requirements |
| Maximum board size | 650 × 2,000 mm | Large-format control and equipment boards |
Multilayer PCB Types We Manufacture
Select the board structure that matches your routing density, bending, frequency, heat and current requirements.
HDI Multilayer PCB
Any-layer HDI, laser microvias and blind or buried interconnects support fine-pitch BGA escape routing and compact products.
Explore HDI PCBMultilayer Flex PCB
One to eight flexible layers, controlled bend areas and custom stiffeners replace connectors inside moving or space-limited assemblies.
Explore Flex PCBMultilayer Ceramic PCB
Alumina and aluminum nitride structures provide electrical insulation, dimensional stability and thermal transfer for power and RF modules.
Explore Ceramic PCBMultilayer Metal Core PCB
Aluminum- and copper-core constructions move heat away from LEDs, power stages and high-current components while retaining multilayer routing.
Explore Metal Core PCBHigh-Frequency / Rogers Multilayer PCB
Rogers, PTFE and hybrid stack-ups combine controlled impedance with low-loss routing for RF, microwave and high-speed signal paths.
Explore Rogers PCBHeavy Copper Multilayer PCB
Up to 12 oz copper increases current capacity, mechanical strength and heat spreading for industrial power electronics.
Review heavy-copper capabilityHigh-Tg Multilayer PCB
High-Tg FR-4 material systems improve thermal stability for dense assemblies, repeated thermal cycling and higher process temperatures.
Explore FR4 materialsRigid Multilayer PCB
FR-4, mixed-material and heavy-board constructions support control, communication and computing designs from prototype to repeat production.
Explore rigid PCB manufacturingCustom Multilayer PCB Design & Stackup Support
Submit Gerber, ODB++, drill and mechanical data. Our engineering scope covers CAM, DFM, impedance and stack-up preparation for reliable manufacture.
Multilayer PCB Stackup & Layer Planning
We plan signal, power and ground layers around dielectric thickness, copper weight, impedance targets, via structure and total board thickness.
- Symmetrical build and copper balance for lamination stability
- Reference-plane placement for controlled impedance and return paths
- Drill-pair and sequential-lamination planning for HDI structures
Multilayer PCB Material Selection
Material selection connects the operating environment to the laminate system instead of relying on one default FR-4 grade.
- FR-4 and High-Tg for general industrial and dense assemblies
- Rogers and PTFE for RF loss, Dk and Df targets
- Metal-core, ceramic and hybrid systems for heat transfer
Multilayer PCB Design & DFM Guidelines
Every order receives a DFM/CAM review before production release. The review checks the design against the selected manufacturing route.
- Trace/space, annular ring, hole-to-copper and solder-mask clearance
- Via depth, aspect ratio, resin fill, back-drill and microvia feasibility
- Impedance geometry, coupon design, panelization and assembly constraints
Multilayer PCB Applications
Each application below maps the board structure to the manufacturing controls that matter for that project.
Controlled impedance, back drilling, hybrid high-frequency materials and high-layer-count routing for telecom and networking hardware.
Explore telecom PCBHigh-Tg laminates, heavy copper, traceability and repeat-production controls for drives, controllers and automation equipment.
Explore industrial PCBLow-loss RF paths, stable dielectric properties, controlled impedance and compact HDI routing around antenna and positioning circuits.
Explore PCB applicationsMetal-core and heavy-copper structures combine multilayer routing with direct heat spreading for dense LED and power-conversion designs.
Explore power PCBMultilayer PCB Prototyping & Production
One engineering record carries your approved materials, stack-up, drill plan and inspection requirements from the first board into repeat orders.
Multilayer PCB Prototyping
Prototype builds validate the layer structure, impedance, via reliability, dimensions and assembly fit before the production data is locked.
Multilayer PCB Production
Production uses the approved material, stack-up, CAM data, test method and inspection plan to control lot-to-lot consistency and repeat orders.
The production clock starts after the EQ, stack-up and manufacturing data are approved. Every accepted order receives a fixed shipment date before release.
Multilayer PCB Quality Control & Reliability
Layer registration, lamination, plated holes and internal interconnects are verified through defined controls instead of relying only on final visual inspection.
IQC verifies laminate, copper foil and material records. Engineering checks Gerber, stack-up, drill and controlled-impedance requirements.
AOI checks inner-layer opens, shorts and feature integrity before lamination. Alignment controls protect annular rings and layer-to-layer registration.
Press-cycle controls, X-Ray, microsection and plated-hole checks verify layer alignment, dielectric bonding and interconnect quality.
Flying-probe or fixture testing verifies continuity and isolation. Final AOI, dimensional inspection and impedance-coupon results close the lot.
Why Choose Us as Your Multilayer PCB Manufacturer
Multilayer programs need capacity that preserves the approved stack-up, material route and inspection plan from the first qualified build through repeat production.
Repeatable Multilayer Production Built Around the Approved Stackup
Engineering release, material planning, lamination records and final inspection stay tied to the same part-number revision as volume increases.
The stack-up, laminate code, copper, drill pairs, impedance geometry and inspection scope are fixed before the first lot.
The production network reserves the approved material route and schedules repeat lots against the same controlled construction.
Traveler records, inner-layer AOI, lamination checks, electrical testing and specified reports verify each shipment.
Multilayer PCB Case Studies & Examples
These projects show how stack-up, back drilling, copper distribution and signal-integrity work translate into manufacturable boards.
34-Layer Phytium 5000C Server Motherboard
The design required PCIe 5.0 and DIMM signal routing across a high-layer-count board with low-voltage, high-current power delivery.
Manufacturing solution: optimized stack-up, controlled-impedance coupon design, back-drill depth control and pre-production signal-integrity simulation.
34-Layer Broadcom Platform with Xilinx Zynq
Dense BGA routing and crosstalk control had to coexist with 2 oz power layers inside a 3.0 mm finished board.
Manufacturing solution: crosstalk simulation, 10-degree routing strategy, high-speed via optimization and controlled layer registration.
Multilayer PCB Manufacturing Process
Each process step protects the internal layers, plated interconnects and electrical performance that cannot be corrected after final lamination.
Gerber, drill, stack-up, material, impedance and special-process requirements are checked and released.
Photoresist imaging, developing and etching form the copper pattern on each inner layer.
AOI detects opens, shorts, nicks and unwanted copper before the layers are permanently bonded.
Inner layers are treated, aligned with prepreg and core, and prepared for the controlled press cycle.
Multilayer PCB Lamination
Heat and pressure cure the prepreg and bond copper-clad cores into one structure. The press recipe controls resin flow, dielectric thickness, layer registration, void prevention and final board thickness. Sequential lamination is used for HDI structures with multiple blind-via levels.
Mechanical or laser drilling forms through holes, blind vias and microvias. Back drilling removes high-speed via stubs.
Desmear, electroless copper and electroplating connect the layers before outer-layer imaging and etching.
Solder mask, legend, surface finish, routing, 100% electrical test and final inspection complete the board.
Multilayer PCB Assembly
Continue from the approved multilayer bare board into component sourcing, SMT, through-hole assembly and product-level testing through one manufacturing partner.
Fine-Pitch Assembly after the Approved Multilayer Build
Keep the bare-board revision, BOM, placement data, stencil, solder profile, inspection and functional-test plan under one controlled package.
Get a Multilayer PCB Quote
Upload Gerber files and project requirements. The quote will use your actual layer count, board size, material, stack-up, via structure, copper weight, surface finish, quantity and delivery target.
What Sets Your Multilayer PCB Price
Use one complete build package so every supplier quotation describes the same construction and evidence scope.
DFM, stack-up, impedance and special processes are checked.
Pricing is tied to the approved specification and quantity.
The quotation states the production schedule before order release.
Gerber, ODB++, drill, stack-up, drawing, BOM or specification
Frequently Asked Questions About Multilayer PCB
Short answers to the definition, advantages and selection questions buyers ask before requesting a multilayer board.
- Higher routing density in a smaller board area.
- Dedicated ground and power planes for cleaner return paths and power distribution.
- Controlled-impedance structures for high-speed and RF signals.
- Fewer external interconnects than several separate boards.
- A scalable structure for HDI, back drilling, heavy copper and mixed materials.
| Decision | Single-Layer PCB | Multilayer PCB |
|---|---|---|
| Conductive layers | One | Three or more |
| Routing density | Low | Medium to very high |
| Signal / power planes | Not available internally | Dedicated internal planes |
| Manufacturing complexity | Low | Requires alignment, lamination and interconnect control |
| Best fit | Simple, low-density circuits | Compact, high-speed, power and complex electronic systems |