High-thermal-conductivity ceramic heater

AlN Thick Film Heater

AlN thick film heaters combine an aluminum nitride ceramic heat spreader with drawing-defined printed resistance and conductor systems for compact thermal assemblies. Chipsimple reviews ceramic grade, heater zones, voltage, power, resistance, terminals, sensing, mounting, thermal interface, insulation, heat-up profile, environment, and validation before production release.

  • AlN thermal path reviewed with assembly
  • Custom heater-zone and terminal artwork
  • Voltage, power, and resistance coordinated
  • Thermal and electrical validation by project
AlN
Ceramic substrate
By electrical design
Rated voltage and power
5
Four originals plus one detail crop
By thermal test
Final operating release
Product Categories

Verified capability review

Quick Specifications

AlN Thick Film Heater is shown against approved company capability control sheets.

Capability source: approved company category control sheets. Final values remain drawing- and sample-controlled.

ParameterStandard capabilityEngineering review rangeFinal release
Substrate MaterialAlN ceramicAlternative approved route selected from heat path, insulation, corrosion, outline, mounting, and process compatibilityApproved material specification, drawing, and incoming criteria
Dielectric LayersCeramic insulation route; dielectric layers only where the released stack requires themLayer count, fired thickness, edge margin, creepage, clearance, grounding, and interface by safety reviewReleased insulation stack and agreed IR/withstand test plan
Heater ResistorRuO₂ / Metal-based / PTCRuO₂, metal-based, or PTC route selected for resistance, temperature coefficient, firing/cure, and duty profileReleased drawing and approved sample
Conductor SystemAg / Ag-Pd / Metal terminalAg, Ag-Pd, or metal terminal route by current, connection, temperature, corrosion, and assemblyApproved material stack, assembly interface, and sample
Rated VoltageProject-rated after electrical and thermal reviewApproved category engineering envelope: 3–240 V AC/DC typicalApproved electrical-thermal design and instrumented prototype validation
Rated PowerProject-rated after electrical and thermal reviewApproved category engineering envelope: 1–2,000 W typical; heat load and available area are checkedApproved electrical-thermal design and instrumented prototype validation
View 7 additional engineering review checks
ParameterStandard capabilityEngineering review rangeFinal release
Target ResistanceProject-rated after electrical and thermal reviewApproved category engineering envelope: 0.1 Ω–10 kΩ typical; calculated from released voltage and powerReleased electrical limits, measurement method, and approved sample
Resistance Tolerance±5% typical±5% typical; reference temperature, lead compensation, and measurement timing are definedReleased electrical limits, measurement method, and approved sample
Power DensityProject-rated after electrical and thermal reviewApproved category engineering envelope: 1–60 W/cm² typical; local cooling, duty, contact, and hot spots are reviewedApproved electrical-thermal design and instrumented prototype validation
Operating TemperatureCeramic/metal route ≤600°C typicalContinuous, peak, ambient, fluid, interface, and no-flow/no-load conditions are separated for validationApproved electrical-thermal design and instrumented prototype validation
Process Temperature≈850°C ceramic firing routeActual peak, dwell, atmosphere, and refire/cure exposure follow the selected material stackApproved material-process route and production traveler
Electrical TestIR ≥100 MΩ / Hi-pot ≥1.5 kVAC typicalIR, hi-pot voltage, ramp, dwell, leakage, humidity state, and pre/post conditioning by product safety planReleased insulation stack and agreed IR/withstand test plan
Life-test conditionsOn/off cycling is defined with powered dwell, cooling dwell, mounting, cooling medium, and starting temperatureCycle count, voltage, load, fault conditions, resistance drift, insulation, leakage, and appearance limits by application riskAgreed endurance profile and pre/post-test acceptance report

Engineering Capabilities

AlN can spread heat effectively, but heater behavior still depends on the complete stack and boundary conditions. Engineering review connects ceramic properties, resistor geometry, conductor and protection compatibility, voltage, power, terminal temperature, sensor location, mounting pressure, contact area, heat loss, controls, insulation, thermal cycling, and safety tests.

AlN and printed heater stack

Confirm AlN grade and thickness, surface condition, resistor and conductor systems, print and firing sequence, protection, exposed pads, refire limits, and handling requirements.

Heater zones and sensing

Release resistance-path geometry, power zones, no-heat areas, edge and hole clearances, sensor location, terminals, polarity if relevant, and alignment datums.

Terminals and thermal interface

Define lead or terminal attachment, strain relief, maximum joint temperature, mounting pressure, flatness, interface material, heat sink, target body, and assembly sequence.

Electrical and thermal validation

Specify resistance, insulation, hi-pot, leakage if required, power, heat-up curve, temperature map, overshoot, cycling, controls, fixture, sample size, and failure limits.

Typical Applications

AlN heaters fit compact, heat-flux-sensitive assemblies when mounting, sensing, controls, terminal temperature, and thermal validation are defined with the heater.

View all applications

Application images are engineering illustrations, not customer projects, production records, or evidence of a released design. Suitability is confirmed only after the drawing, interfaces, operating conditions, risks, and validation plan are reviewed.

Verified Product Views

The verified set contains four original product photographs and one controlled crop from a real original. Visible features include square green ceramic bodies, dark printed heater paths, terminal pads, attached leads, and small sensing components on some samples. These views do not prove AlN grade, purity, thermal conductivity, resistance, power, temperature, insulation, or lifecycle.

Controlled detail crop of a verified AlN thick film heater showing printed resistance paths and terminal pads
Printed heater-path and terminal detail
Visible construction
Square ceramic bodies, printed paths, terminal pads, leads, and some sensing components are visible.
Material boundary
AlN grade, purity, thickness, thermal conductivity, flatness, and metallization require controlled documentation.
View 2 additional evidence boundaries
Thermal boundary
Power density, heat-up time, uniformity, operating temperature, and lifetime depend on mounting and controls.
Electrical boundary
Resistance, voltage, insulation, hi-pot, leakage, and terminal ratings require the released design and tests.

Manufacturing & Quality

Chipsimple supports controlled heater printing, thermal processing, laboratory inspection, and protected packing in Dongguan.

Read the shared manufacturing-control scope

AlN heater projects release the ceramic and paste system, artwork, terminals, sensing, mounting, electrical tests, thermal fixture, sampling, traceability, and acceptance records together; final ratings depend on validated assembly conditions.

View Full Capabilities
Chipsimple workshop for controlled heater-layer printing
Controlled Printing
Chipsimple controlled thermal-processing workshop
Thermal Processing
Chipsimple laboratory used for heater electrical inspection
Electrical Inspection
Company laboratory test arrangement used for project-specific heater electrical and thermal review
Heater Test Context

Technical FAQ

Short answers for quotation planning; released drawings and validation requirements remain controlling.

What should be defined first for a custom AlN Thick Film Heater?

Define AlN grade and thickness, heater outline, resistance, voltage, power, power zones, target temperature, heat-up time, duty cycle, sensor and control scheme, terminals, mounting pressure, heat sink or heated body, interface material, insulation, ambient, vacuum or fluid exposure, and safety tests.

Are the quick specification values guaranteed for every design?

No. They are practical category-level selection values, not a released product specification. Material compatibility, geometry, print build, electrical loading, assembly, environment, inspection method, and expected volume can narrow the usable window. Final values are confirmed against the controlled drawing and approved project conditions.

How should AlN Thick Film Heater performance be validated?

Test resistance, insulation, hi-pot or leakage as required, actual power, terminal temperature, heat-up and cool-down curves, surface temperature map, overshoot, control response, mounting effects, thermal cycling, and relevant environment. Use the production-intent fixture, sensor, controls, sample size, and failure limits.

What should be included with an RFQ?

Send the controlled drawing or artwork, dimensions and tolerances, material preference, electrical targets, assembly interface, operating environment, validation requirements, prototype quantity, annual volume, and schedule. Include the AlN grade, thermal interface, power map, sensor and controls, heat-up target, terminal limits, and production-intent test fixture.

Request a AlN Thick Film Heater Quote

Send the heater drawing with the real thermal stack, target body, mounting, sensing, controls, ambient, and safety requirements. Resistance, voltage, power, temperature, heat-up time, and insulation must be evaluated in the intended assembly rather than released from a free-air photograph or category value.

RFQ inputs and review sequence
  • Drawing-led DFM and material-route feedback
  • Prototype and repeat-production route review
  • Confidential handling of customer files
  • Project-specific inspection and validation planning
  • AlN grade, thickness, outline, flatness, holes, and tolerances
  • Heater artwork, zones, clearances, terminals, and sensor location
  • Resistance, voltage, power, tolerance, and electrical supply
  • Target temperature, heat-up time, duty, and uniformity
  • Mounting, pressure, interface material, heat sink, or heated body
  • Insulation, hi-pot, thermal map, cycling, and safety tests
  • Quantity, schedule, sampling, traceability, and packing
  1. 1We review the drawing, application, material route, and missing acceptance inputs.
  2. 2You receive DFM questions and a prototype route for approval.
  3. 3Repeat production follows the released revision, inspection plan, and packing requirement.

Submit RFQ and upload files

PDF, DWG, DXF, STEP, Gerber, ZIP, Excel, Word, or sample photos are accepted.

The drawing-upload form loads as you reach this section.