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
AlNCeramic substrate
3–240 VCategory voltage typical
5Four originals plus one detail crop
By thermal testFinal operating release

Quick Specifications

These heater-family values support early comparison across ceramic, metal, and polymer routes. For an AlN design, ceramic grade, thickness, printed stack, resistance, voltage, power density, terminals, sensing, mounting, insulation, target temperature, heat-up time, and electrical tests are released from the actual assembly conditions.

Final values confirmed against customer drawing.

Substrate MaterialStainless steel / Aluminum / Alumina / AlN / PI
Dielectric Layers3–4 layers typical, metal substrates
Heater ResistorRuO₂ / Metal-based / PTC
Conductor SystemAg / Ag-Pd / Metal terminal
Rated Voltage3–240 V AC/DC typical
Rated Power1–2,000 W typical
Target Resistance0.1 Ω–10 kΩ typical
Resistance Tolerance±5% typical
Power Density1–60 W/cm² typical
Operating TemperaturePolymer ≤150°C / Ceramic-metal ≤600°C typical
Process Temperature≈850°C ceramic / ≈590°C metal / 120–200°C polymer*
Electrical TestIR ≥100 MΩ / Hi-pot ≥1.5 kVAC typical

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.

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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.
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. 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.

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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
Chipsimple protected packing area for released heater products
Protected Packing

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.

  • 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.

Customer drawings are handled as confidential quotation inputs and used only for engineering review, communication, and project follow-up.