Custom fabrication · Prototype to production

Rigid-Flex PCB Manufacturer

LZJPCB manufactures custom rigid-flex printed circuit boards with engineering-led stackup review, controlled rigid-to-flex transitions, documented quality gates and assembly support. Send your Gerber, stackup and bend requirements to receive a build-ready quotation with a fixed scope and lead-time.

  • Since 2006
  • 50+ Engineers
  • Rigid-Flex DFM
  • ±5% Impedance
Supplier qualification

Rigid-Flex PCB Manufacturing Capabilities

Use this capability gate to qualify the manufacturing baseline, then submit the rigid/flex stackup for a construction-specific DFM release.

Qualification itemPublished baselineRigid-flex release control
Layer capability1–40 layers custom PCB; rigid-flex-specific range: 待补充Rigid and flex layer allocation is frozen in the approved stackup.
Trace / space3 / 3 mil safe minimumFlex-zone geometry receives copper balance and bend-axis review.
Mechanical drill0.10 mm minimumVia placement is checked against transition and bend keep-out zones.
Board thickness0.20–17.5 mm PCB range; rigid / flex zone range: 待补充Rigid and flex thicknesses are documented separately before release.
Copper weightUp to 12 oz PCB capability; rigid-flex copper range: 待补充Flex copper weight and grain direction are locked to the bend requirement.
Impedance±5% controlCoupon, stackup and test record follow the quoted impedance requirement.
MaterialsFR-4, High-Tg, Rogers, PTFE and hybrid systems; exact rigid-flex grades: 待补充Polyimide, coverlay, adhesive and stiffener are defined in the build package.
Finish & toleranceRigid-flex finish and tolerance table: 待补充The quotation records the selected finish and project-specific tolerances.
InspectionAOI, X-ray and 100% electrical testTransition, coverlay alignment and interconnect controls are added to the route.
Engineering decisions

Custom Rigid-Flex PCB Design & Construction

Each construction block answers one purchasing question: how the design is released, when a special structure is used, and which data must be fixed before fabrication.

待补充 · 2D DFM VISUAL
01 · Design release

Rigid-Flex PCB Design & DFM

Our role is manufacturing DFM: we convert your released layout into a controlled fabrication build without presenting LZJPCB as a circuit design house.

  • Bend axis, bend direction and flex length checked against the mechanical drawing.
  • Rigid-to-flex transition, copper balancing and trace routing reviewed for stress concentration.
  • Via placement, coverlay openings, stiffeners and component keep-outs checked before quotation release.
  • Stackup, controlled impedance and test requirements returned as one documented manufacturing scope.
Bend areaTransition zoneVia keep-outCoverlay
待补充 · 2D HDI STACKUP
02 · High-density integration

HDI Rigid-Flex PCB

HDI rigid-flex combines dense interconnection in the rigid zones with an integrated flexible interconnect, reducing connector count while protecting the bend area from HDI stress features.

  • Microvia structure and sequential build data are reviewed as part of the HDI stackup.
  • Laser-via locations remain outside defined dynamic bend and transition keep-outs.
  • Pad geometry, via fill, copper balance and registration targets are fixed before production.
  • AOI, X-ray and electrical test records support the released inspection plan.
Microvia reviewSequential buildFine pitchX-ray
Review HDI PCB capability →
03 · Controlled flex zone

Semi Rigid-Flex PCB

A semi rigid-flex construction creates a locally thinned or controlled flexible zone within a rigid-board architecture. It suits static forming and compact installation where a full multilayer rigid-flex build is unnecessary.

  • Use the structure for installation bends and defined static forming—not repeated dynamic motion.
  • Thinned-zone depth, remaining dielectric and copper geometry are stated on the fabrication drawing.
  • The transition radius and routing direction are controlled to prevent a sharp stress edge.
  • Cross-section evidence verifies the released local construction.
Static bendLocal thinningDefined radiusCross-section
待补充 · 2D LAYER CONSTRUCTION
04 · Stackup definition

Rigid-Flex Layer Count & Construction

For 1–12-layer rigid flexible PCB search briefs, the useful answer is a released construction—not a layer-count label. Our engineering gate records the exact rigid layers, flex layers, material thicknesses and transition build.

  • Rigid and flex layer counts are separated in the stackup instead of reported as one ambiguous total.
  • Bookbinder, air-gap and bonded constructions are identified by the drawing package.
  • Stiffener location, exposed flex length and bend direction are dimensioned.
  • Production starts only from the stackup named in the quotation and order release.
Rigid layersFlex layersAir gapBonded area
05 · Material system

Polyimide & Flexible Circuit Materials

Polyimide forms the flexible dielectric; rolled-annealed or specified copper carries the circuit; coverlay protects flex conductors; adhesive and stiffener selections control bonding and local support.

  • Material manufacturer, dielectric thickness and copper weight are recorded in the approved stackup.
  • Coverlay opening and adhesive flow controls protect pads and flex edges.
  • FR-4 or other qualified rigid material is matched to thermal, electrical and assembly requirements.
  • Material substitutions require a documented approval before production release.
PolyimideCoverlayAdhesiveStiffener
Review Flex PCB materials and options →
06 · Flex-zone parameters

Flex Thickness, Copper Thickness & Via Options

Flex thickness and copper thickness set bend stiffness; via strategy controls interconnect density and reliability. The final combination is stated numerically in the quotation package.

  • Finished flex thickness is measured across the defined flex construction, not inferred from total board thickness.
  • Copper weight, flex layers and grain direction are tied to the bend requirement.
  • Through, blind, buried and microvia options are placed outside the active bend region.
  • Annular ring, capture pad, via fill and electrical test requirements follow the released design.
Flex thicknessCopper weightVia strategyBend keep-out
Application fit

Rigid-Flex PCB Applications

Rigid-flex adds the most value when space, connector reduction, controlled folding or assembly repeatability is a measurable system requirement.

RELIABLEMedical Electronics

Controlled interconnects support compact devices that require traceable materials and documented inspection.

ISO 13485TraceabilityCompact routing
DENSE I/OIndustrial Controls

Rigid-flex can replace cable assemblies between sensors, control boards and interface modules in constrained enclosures.

Connector reductionVibrationService fit
AUTOMOTIVEAutomotive Electronics

Defined bends and controlled transitions support space-constrained modules and sensor assemblies.

IATF 16949Thermal controlTraceability
HIGH SPEEDCommunications Equipment

Integrated flex paths route controlled signals through constrained mechanical assemblies.

ImpedanceHDIStackup control
Risk control

Rigid-Flex PCB Quality Control & Reliability

The inspection route focuses on the failure points unique to rigid-flex: transition integrity, coverlay registration, lamination, via interconnect, bend-zone copper and electrical continuity.

01
Incoming Material Verification

Material identity, thickness and lot records match the released bill of materials.

CONTROLLED
02
Imaging & Coverlay Alignment

AOI and registration checks protect fine conductors, openings and transition geometry.

AOI
03
Lamination & Cross-Section

Construction evidence verifies dielectric, copper, interconnect and rigid-flex transition quality.

VERIFIED
04
Via & Interconnect Inspection

X-ray and section controls examine buried structures, filled vias and plated interconnects.

X-RAY
05
Electrical & Impedance Test

Every board receives electrical testing; specified controlled-impedance builds receive coupon evidence.

100% E-TEST
06
Final Dimensional Release

Rigid outline, flex outline, stiffeners, finish and marking are checked against the approved data.

RELEASED
ISO 9001ISO 14001IATF 16949ISO 13485UL / CULRoHSREACHTraceable records
Review PCB manufacturing controls →
Supplier evidence

Why Choose Us as Your Rigid-Flex PCB Manufacturer

One engineering release links the bend drawing, rigid-to-flex transition and approved stackup to production and final verification.

Rigid-Flex Engineering Release Control

The highest project risk is not a generic layer count. It is whether mechanical bend intent survives the handoff into materials, lamination, transition geometry and inspection. LZJPCB keeps those decisions in one released manufacturing package.

01
Freeze the mechanical and stackup inputs

Engineering aligns the bend direction, radius, flex length, transition, coverlay, stiffener and rigid/flex layer allocation before release.

02
Carry the same release into production

The approved package controls material identity, imaging, lamination, drilling and transition-zone keep-outs instead of relying on shop-floor interpretation.

03
Verify the released risk points

AOI, X-ray or microsection where specified, dimensional checks and 100% electrical test confirm the interconnect and transition requirements before shipment.

Evidence format

Rigid-Flex PCB Case Studies

A credible case study must expose the construction, design risk, production control and verified result. These proof blocks are prepared for customer-approved project evidence.

Case record 01 Compact Electronics Integration

Use this record for a customer-approved design that replaces board-to-board cables inside a constrained enclosure.

ConstructionRigid + flex layer record
Critical riskTransition and bend zone
ProofDFM + test record

Publish only after the customer authorizes the project data.

Case record 02 HDI Rigid-Flex Integration

Use this record for a released HDI build that combines fine-pitch rigid zones with a defined flexible interconnect.

ConstructionMicrovia stack record
Critical riskVia and flex keep-out
ProofX-ray + section record

Publish only after the customer authorizes the project data.

Case record 03 Fabrication + Assembly Handoff

Use this record for a project that moves from rigid-flex fabrication through component placement and functional test.

ConstructionReleased production stackup
Critical riskFlex handling in assembly
ProofAOI + functional test

Publish only after the customer authorizes the project data.

Evidence rule: no invented customer name, result, yield, lead-time or performance number is published. Add a case only when the construction and outcome are supported by an approved project record.
Commercial clarity

Rigid-Flex PCB Cost

Your rigid-flex PCB price is calculated from the released construction and order quantity. The quotation names every included cost driver instead of hiding them behind a generic board price.

STRUCTURERigid / Flex Layer Count

More flex layers, complex transitions and sequential builds increase material and process steps.

MATERIALPolyimide & Coverlay

Specified dielectric, copper, adhesive, stiffener and controlled material brands define the material set.

DENSITYVia & HDI Strategy

Microvia cycles, via fill, blind/buried structures and registration targets add process control.

UTILIZATIONOutline & Panel Yield

Irregular flex tails, routing gaps and panel layout determine how much material each finished unit consumes.

RELIABILITYBend Requirement

Dynamic or tight-radius requirements drive copper selection, thickness, construction and validation.

FINISHSurface Finish

Finish type, selective finish, edge contacts and thickness requirements are priced from the drawing.

TESTInspection & Testing

Impedance coupons, cross-sections, X-ray, fixtures and product test are listed in the quality plan.

VOLUMEQuantity & Release Plan

Prototype quantity, production panelization and scheduled releases determine tooling and unit economics.

Rigid-Flex PCB Cost Comparison

Compare construction complexity first. Two boards with the same outline and layer count do not carry the same cost when the flex layers, via structure and bend requirement differ.

Standard static-bend build

Defined flex layer, conventional through vias and a simple transition create the shortest process route.

HDI / dynamic-bend build

Sequential microvias, fine geometry or repeated-flex requirements create the highest engineering and control load.

Rigid-Flex vs Flex vs Rigid PCB Cost

Rigid-flex has a higher bare-board cost than a rigid PCB or flex PCB alone, while removing connectors, cables, assembly steps and enclosure space. Compare system cost—not only PCB unit price.

Rigid PCB

Best for flat, mechanically supported electronics. Board complexity is lowest, while external cables or connectors handle separation.

Flex PCB

Best for lightweight routing, folding and cable replacement without integrated rigid component zones.

Send the released data pack and annual quantity. Your quotation returns the exact construction, tooling, test scope, unit price and fixed production lead-time.

Request Costed Build
Engineering validation

Rigid-Flex PCB Prototype & Quick Turn

A quick-turn rigid-flex prototype is fast because the input and release gates are explicit. The quotation fixes the approved build, quantity and lead-time before production begins.

Four-gate prototype route

Each gate creates a concrete output your engineering and purchasing teams can approve.

01
Data intake

Gerber, drill, stackup, mechanical drawing, bend data, quantity and acceptance criteria received.

02
Rigid-flex DFM

Transition, bend zone, materials, coverlay, stiffeners, vias and impedance reviewed.

03
Commercial release

Quotation names the construction, test plan, prototype quantity and fixed lead-time.

04
Build and evidence

Fabrication, inspection, 100% electrical test and shipment records follow the released order.

InputComplete build data
OutputReleased stackup
CommitmentFixed quoted lead-time
One project handoff

Rigid-Flex PCB Assembly

Move from rigid-flex bare board to assembled product through one controlled data handoff, including flex handling, component placement, connector installation and testing.

SMT Placement

Fine-pitch devices, passive components and rigid-zone placement follow the released centroid and assembly drawing.

THT & Connectors

Through-hole parts, board connectors and mechanical hardware are installed with defined support for flex areas.

BGA Inspection

X-ray verifies hidden joints and supports the inspection route for dense rigid-zone packages.

Programming & Test

Customer-supplied firmware and test procedures become controlled work instructions for the order.

Flex-Safe Fixtures

Handling and support protect bend zones, exposed flex tails and rigid-to-flex transitions during assembly.

Traceable Handoff

Bare-board lot, component lot and inspection records remain linked through final shipment.

For an assembly quote, add BOM, centroid, assembly drawing, approved alternates, firmware and test requirements to the rigid-flex fabrication package.
Review PCB assembly services →
Build-ready RFQ

Get a Rigid-Flex PCB Quote

Send one complete data package. We will quote the exact construction, quantity, inspection scope and lead-time stated in the returned offer.

Include these eight inputs

A complete RFQ removes the qualification loop and gives engineering enough data to release a costed build.

  • Gerber / ODB++ and NC drill files
  • Rigid-flex stackup with rigid and flex layer count
  • Mechanical outline and rigid-to-flex transition drawing
  • Bend direction, bend radius and dynamic/static requirement
  • Material, finished thickness and copper requirements
  • Controlled impedance and acceptance criteria
  • Prototype quantity and annual production quantity
  • BOM, centroid and test data for assembly projects
What comes back

Manufacturing scope, released construction, tooling, testing, quantity price breaks and fixed quoted lead-time.

Design files are used for quotation and engineering review. NDA support is available before file review.

Buyer questions

Frequently Asked Questions About Rigid-Flex PCB

Short answers for product selection, supplier qualification and system-cost decisions.

What Is a Rigid-Flex PCB?

A rigid-flex PCB integrates rigid component-support areas and flexible circuit areas into one laminated printed circuit structure. The flex zones fold or route between rigid sections, eliminating separate cables and board-to-board connectors. Its fabrication data must define the rigid stack, flex stack, transition zones, bend requirement, coverlay and stiffeners.

Rigid-Flex PCB vs Rigid PCB vs Flex PCB

A rigid PCB supports components on a flat board. A flex PCB provides a bendable interconnect. Rigid-flex integrates both functions into one laminated structure.

Rigid PCB

Rigid component support for flat, non-flexing assemblies. Cables or connectors bridge separated boards.

Flex PCB

Thin flexible interconnect for folding, routing and cable replacement without rigid mounting zones.

Rigid-Flex PCB

Rigid mounting zones and integrated flex interconnects in one construction for controlled 3D packaging.

Choose rigid-flex when component support and controlled folding must coexist without separate connectors.

When Should You Use Rigid-Flex PCB Instead of Separate Rigid and Flex Boards?

Use rigid-flex when connector reduction, enclosure space, lower assembly count, controlled folding or interconnect repeatability has measurable system value. Keep separate rigid and flex boards when modular replacement, independent sourcing or a simple low-volume cable interface is the stronger requirement. The final selection should compare complete assembly cost, mechanical risk and service strategy—not bare-board price alone.

Ready for a buildable rigid-flex quotation?

Send the stackup, bend drawing, Gerber data, quantity and acceptance criteria. Receive one documented manufacturing scope with a fixed quoted lead-time.

Start Your RFQ