Ceramic Substrates · Prototype to Production

Ceramic PCB Manufacturer

LZJPCB manufactures ceramic circuit boards on Alumina and Aluminum Nitride substrate routes for heat-spreading, electrical insulation and compact power electronics. Send the material, metallization, dimensions, tolerance, quantity and assembly requirement for one build-ready RFQ.

  • Since 2006
  • 50+ Engineers
  • Ceramic DFM
  • 100% E-Test
Qualification data

Ceramic PCB Manufacturing Capabilities

Ceramic PCB limits change with the selected substrate and metallization route. LZJPCB therefore releases one construction table on the quotation instead of applying FR4 design limits to a ceramic build.

ParameterRFQ inputQuoted output
Ceramic substrateAlumina or Aluminum Nitride; grade when mandatedAccepted material family, code and supplier route
Substrate thicknessFinished thickness and permitted tolerance待补充:qualified Alumina and AlN thickness ranges and tolerances
Copper / metallizationMaterial, finished thickness and bonding route待补充:route-specific conductor material and thickness ranges
Trace / spaceMinimum geometry and critical current path待补充:DFM-qualified geometry for each ceramic technology route
Holes and viasFinished diameter, plating and interconnect layers待补充:route-specific minimum hole/via size and tolerance
Dimensions / profileOutline, slots, flatness and critical datum scheme待补充:profile, flatness and dimensional tolerances
Surface finishPad, wire, soldering and contact requirementFinish named for the approved assembly route
Thermal requirementHeat source, interface, temperature and verification methodMaterial and evidence plan tied to the build
PrototypePrototype quantity plus annual production volumeTooling, quantity price breaks and fixed ship date
InspectionElectrical, dimensional, adhesion, thermal or added reportsOrder-specific control plan and acceptance records
Substrate chemistry

Ceramic PCB Materials

Material choice starts with heat flow, electrical isolation, mechanical load, package interface and cost. Alumina and Aluminum Nitride are treated as distinct substrate systems with their own metallization and inspection route.

Balanced ceramic substrate

Alumina (Al2O3) PCB

Alumina PCB combines electrical insulation, mechanical stability and practical thermal transfer for power, industrial and LED assemblies. It is the primary cost-controlled ceramic choice when the heat-flux target does not require the higher thermal performance of AlN.

Best fitInsulated power and thermal-spreading circuits
RFQ dataPurity or material code, thickness and flatness
ConductorCopper or metallization stack released by drawing
InspectionDimensions, conductor, insulation and electrical test
Alumina PCBAl2O3 PCBAlumina substrate PCB
Higher thermal performance

Aluminum Nitride (AlN) PCB

Aluminum Nitride PCB moves heat through an electrically insulating ceramic more effectively than Alumina. It fits concentrated heat sources and compact power modules where the material cost is justified by a lower thermal resistance path.

Best fitHigh heat-flux power and optoelectronic modules
RFQ dataAlN grade, thickness and thermal target
InterfaceConductor and attachment stack must be compatible
InspectionMaterial identity, dimensions and specified thermal record
Aluminum Nitride PCBAlN substrateThermal management
Structure and conductor route

Ceramic PCB Types & Manufacturing Technologies

Material answers what the substrate is. Technology answers how conductors, vias and ceramic layers are formed and joined. The quotation names one route and its exact layer, metallization and inspection plan.

2D ANIMATION
Layered interconnect

Multilayer Ceramic PCB

A multilayer ceramic PCB routes conductors and vertical interconnects through stacked ceramic layers. Registration, via fill, firing or bonding sequence, shrinkage control and final flatness are locked before tooling.

Define firstLayer count, via map, cavities and conductor system.
Release evidenceCross-section, dimensional and electrical requirements.

The project quotation states the accepted layer structure; no generic multilayer limit is implied.

Co-fired ceramic systems

HTCC & LTCC Ceramic PCB

HTCC uses a high-temperature ceramic firing system with compatible refractory conductors. LTCC uses a lower-temperature glass-ceramic system with its own conductor set and supports integrated multilayer features. They are separate material-process systems, not interchangeable labels.

HTCC decisionHigh-temperature material and conductor compatibility.
LTCC decisionGlass-ceramic tape, conductor system and embedded geometry.

Availability is released only when the quotation names the ceramic tape, conductor system and manufacturing route.

Printed and fired conductor

Thick Film Ceramic PCB

Thick-film ceramic circuits use patterned functional pastes that are printed and fired on the ceramic substrate. Paste identity, fired conductor geometry, adhesion, resistor data when present and solderability are controlled by the released process.

RFQ inputConductor, resistor or dielectric functions and fired geometry.
Quality gatePattern, fired thickness, adhesion and electrical result.

Thin-film is not presented as a separate product type on this page.

2D ANIMATION
Direct plated copper route

DPC Ceramic PCB

DPC forms a controlled copper circuit on ceramic through an adhesion or seed layer followed by plated copper buildup and patterning. The quote fixes copper thickness, trace geometry, via requirement, finish and inspection.

Quick-turn inputComplete Gerber, drawing, material and copper requirement.
Schedule outputAccepted DPC construction and one fixed calendar ship date.

Quick-turn applies only to the exact DPC build accepted on the quotation.

Power-module copper bond

AMB Ceramic PCB

AMB bonds copper to ceramic with an active-metal brazing system for high-current and thermal-cycling power assemblies. Automotive use requires the ceramic, copper, braze, profile, flatness and reliability evidence to be stated in the approved build.

Application inputCurrent, heat flow, operating temperature and cycling profile.
Release gateAccepted material stack, bond route and test plan.

AMB is quoted only when the manufacturing and reliability route is explicitly accepted.

Use-condition fit

Ceramic PCB Applications

Ceramic substrates are selected when the circuit must move heat, maintain electrical isolation or hold geometry under a compact power assembly. Each use case below starts with measurable thermal, electrical and mechanical inputs.

Power Electronics

Converters, inverters and switching modules use ceramic substrates to combine electrical isolation with a short heat path.

Current and voltageJunction-to-interface heat pathPower-cycle evidence
Automotive Electronics

Traction, charging and control assemblies need traceable materials, stable interfaces and an order-defined reliability plan.

Operating temperatureThermal cyclingMaterial traceability
Industrial Power & Control

Motor drives, power supplies and industrial controls use ceramic circuits around concentrated heat and high isolation requirements.

Isolation requirementMechanical mountingFunctional test
LED & Optoelectronics

High-output emitters use ceramic substrates to remove localized heat while preserving pad geometry and electrical insulation.

Heat-flux mapPad and finishAssembly profile
Ceramic-specific controls

Ceramic PCB Quality Control & Reliability

The control plan verifies the substrate, conductor bond, profile, insulation and electrical result. Thermal or cycling evidence is added with the test method, sample plan and acceptance limit written on the order.

01
Substrate identity & incoming condition

Material family, grade, thickness, surface and lot match the released traveler.

IQC
02
Metallization / copper inspection

Conductor geometry, finished thickness and visible defects follow the process route.

AOI
03
Bond and adhesion evidence

The accepted method checks conductor-to-ceramic attachment against the order limit.

CONTROLLED
04
Dimensions, profile & flatness

Critical datums, holes, outline and mounted interface are measured.

MEASURED
05
Hidden-feature verification

Specified vias, bonds or assembly joints use X-ray or section evidence named on the route.

X-RAY
06
Electrical & final release

Every finished board receives electrical test and final visual inspection.

100% E-TEST
ISO 9001ISO 14001IATF 16949ISO 13485UL / CULRoHSREACHLot traceability
Supplier qualification

Why Choose Us for Ceramic Build Evidence Continuity

The differentiator is one traceable chain linking the ceramic substrate, conductor or metallization route and thermal-cycle release evidence for the same approved build.

Control the Ceramic–Conductor Interface from Material Lock to Reliability Evidence

Ceramic PCB risk concentrates at the interface between substrate, conductor route, mounting geometry and thermal cycling. The three controls below keep that interface consistent through release.

01
Lock substrate and conductor compatibility

Material code, grade, thickness, copper or metallization and process route are approved as one system.

02
Release the interface geometry

Conductor thickness, profile, flatness, mounting and assembly conditions follow one revision-controlled drawing.

03
Tie reliability evidence to the lot

Material identity, bond or adhesion checks, dimensions, electrical test and specified cycling records remain traceable.

Approved project evidence

Ceramic PCB Case Studies

A valid ceramic case record states the material, technology, conductor, substrate thickness, heat-flow requirement, manufacturing risk, inspection and measured result. These modules reserve that format without inventing customer data.

Approved record 01Alumina Power Control Board

Publish an authorized project with isolation, thermal path and soldering evidence.

Build recordAlumina grade + thickness + conductor
Critical riskIsolation + heat spreading + flatness
ProofDimensions + electrical + thermal result
Approved record 02AlN High Heat-Flux Module

Publish an authorized project with material identity and interface thermal evidence.

Build recordAlN code + conductor + finish
Critical riskHeat path + bond + mounted interface
ProofMaterial + flatness + specified thermal test
Approved record 03Ceramic PCB Assembly

Publish an authorized PCBA project with fixture, thermal profile and joint evidence.

Build recordBoard revision + BOM + assembly route
Critical riskThermal mass + pad stress + hidden joints
Proof3D SPI + AOI + X-ray + functional test
Publication rule: no customer name, thermal value, yield, delivery time or reliability result is published without an approved project record.
Route-specific production

Ceramic PCB Manufacturing Process

Ceramic PCB is not one universal production flow. The released traveler selects a substrate and conductor route, then applies the inspection gates required for that exact construction.

2D ANIMATION
01Engineering release

Material, conductor, stack, outline, tolerance, finish, assembly and test plan are frozen.

02Substrate preparation

The approved ceramic is cleaned, conditioned and verified before conductor formation.

03Route A: patterned metallization

Thick-film or DPC-style builds form the conductor with the released print, seed, plating and pattern sequence.

04Route B: multilayer co-fire

HTCC or LTCC builds create vias, print conductors, align tapes, laminate and fire the stack.

05Route C: bonded copper

AMB builds join the released copper and ceramic through the approved active-metal braze route.

06Finish and verification

Profile, surface finish, dimensions, conductor inspection, electrical test and order records complete release.

The quotation selects only the route accepted for the drawing. HTCC, LTCC, thick-film, DPC and AMB are not combined into one generic process claim.
Related service

Ceramic PCB Assembly

LZJPCB supports ceramic PCB assembly under the same released drawing, BOM, placement, soldering and test package. Fixtures and thermal profiles account for ceramic stiffness, thermal mass and local stress around pads and mounted parts.

SMT and THT under a controlled thermal route

Published PCBA capability includes 01005 components, 0.35 mm BGA, POP, 3D SPI, AOI and X-ray. The ceramic assembly quote names the accepted component, attachment, profile and inspection route.

SupportCarrier, panel and local load control
ProcessPaste, placement, reflow and THT operations
Evidence3D SPI, AOI, X-ray and specified test
  • Pad finish and solder alloy match the released ceramic conductor system.
  • Fixtures support the substrate and prevent point loading during assembly.
  • The reflow profile accounts for ceramic thermal mass and component limits.
  • AOI checks visible joints; X-ray checks BGA and other hidden connections.
  • Functional test coverage and acceptance limits are approved before the lot.
010050.35 mm BGAPOP3D SPIAOIX-ray
Costed construction

Get a Ceramic PCB Quote

Ceramic PCB price is calculated from material, technology, dimensions, conductor or metallization, quantity, tolerance, finish, inspection and assembly. Send one complete package for an accepted construction and fixed calendar ship date.

Inputs required for a ceramic PCB RFQ

Complete inputs keep supplier quotations technically comparable.

  • Gerber / ODB++ and fabrication drawing
  • Alumina or Aluminum Nitride material requirement
  • Technology route: multilayer, HTCC, LTCC, thick-film, DPC or AMB when specified
  • Substrate thickness and finished tolerance
  • Copper or metallization material and thickness
  • Minimum trace / space, holes, vias and profile
  • Surface finish and soldering or contact requirement
  • Thermal, insulation and operating-temperature inputs
  • Prototype and annual production quantities
  • Dimensional, electrical, adhesion, thermal and reliability evidence
  • BOM, CPL, solder profile and functional test for assembly
What comes backAccepted build, material and process route, DFM closure, inspection plan, quantity price breaks and one fixed calendar ship date.

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

Material and technology answers

Frequently Asked Questions About Ceramic PCB

Short definitions that separate substrate chemistry, manufacturing technology and adjacent high-frequency laminates.

What Materials Are Used for Ceramic PCBs?

The core material routes on this page are Alumina (Al2O3) and Aluminum Nitride (AlN). Alumina provides a balanced cost, insulation and thermal solution. AlN provides higher thermal performance for concentrated heat. The quotation names the exact grade, thickness and conductor system.

Alumina PCB vs Aluminum Nitride PCB: Which Should You Choose?

Choose Alumina when its heat-spreading performance meets the design and cost control is important. Choose AlN when the heat flux or module temperature requires a lower-resistance thermal path. Final selection also uses conductor attachment, mechanical mounting, thickness, availability and the specified verification method.

Alumina / Al2O3

Balanced insulation, mechanical stability, availability and cost.

Aluminum Nitride / AlN

Higher thermal performance for concentrated heat and compact power.

Review material selection →

What Is the Difference Between HTCC and LTCC Ceramic PCB?

HTCC uses a higher-temperature ceramic firing system with compatible refractory conductors. LTCC uses a lower-temperature glass-ceramic tape system with a different conductor family and supports integrated multilayer features. Material tape, conductor, firing profile and feature set must be released as one compatible system.

HTCC

Higher-temperature ceramic firing with compatible refractory conductors.

LTCC

Lower-temperature glass-ceramic tape system with a different conductor family.

Compare ceramic technologies →

Is a Rogers PCB the Same as a Ceramic PCB?

No. Rogers products used for high-frequency PCBs are engineered laminate systems, including PTFE- or hydrocarbon-based materials that can contain ceramic filler. Alumina and AlN ceramic PCBs use a ceramic substrate body. They require different fabrication rules, thermal models and supply specifications.

Rogers / RF laminate

Engineered laminate selected mainly for controlled high-frequency electrical behavior.

Ceramic substrate

Alumina or AlN body selected for insulation, heat flow and package stability.

Review high-frequency PCB →
Ready for a costed ceramic construction?

Send the drawing, material, technology, thickness, conductor, tolerances, thermal inputs, quantities and assembly files.

Start Your Ceramic PCB RFQ