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High Thermal Conductivity Alumina PCB Manufacturer | Custom Ceramic PCB

Place of origin: China
Material: Alumina, Alumina Ceramic, Ceramic
Board thickness: 0.2mm-6mm
Offer: Leave your email to receive a discount coupon – we'll send it to you right away.
Range of copper thickness: 0.5oz-12oz(18μm - 420μm)

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Ceramic PCB Process

l Substrate Material: Alumina (Al₂O₃), 96% / 99% / 99.5% purity grades

l Thermal Conductivity: 15-30 W/mK for 96% Al₂O₃; up to 180-200 W/mK for AlN (optional)

l Dielectric Constant: 9.0-10.0 @ 1 MHz (96% Al₂O₃)

l Breakdown Voltage: ≥ 15 kV/mm

l Operating Temperature Range: -55°C to +850°C

l Surface Roughness: ≤ 0.5 μm (polished)

l Minimum Line Width / Spacing: 0.1 mm / 0.1 mm (thickfilm) ; 0.05 mm (thinfilm)

l Metallization Options: Ag, Ag-Pd, Au, Cu, Ni/Au plating

l Circuit Technologies: Thick-film printing / Thin-film sputtering / DBC (Direct Bond Copper)

l Available Types: Single-layer / Double-layer / Multilayer ceramic PCB

l Inspection & Testing: X-ray inspection, dielectric strength testing, thermal cycling test, and AOI

Application Scenarios

Alumina ceramic PCBs are widely used across multiple high-reliability industries:

1. Power Electronics & LED Lighting – High-power LED modules, IGBT power modules, and automotive electronics benefit

from alumina PCB's excellent thermal dissipation, ensuring stable operation under high temperature and high power density conditions.

2. RF/Microwave & Telecommunications – Alumina substrates with stable dielectric properties are ideal for RF amplifiers,

microwave filters, antennas, and 5G communication modules, providing low signal loss and high-frequency performance.

3. Aerospace & Defense – Ceramic PCBs are extensively used in avionics, satellite systems, and military electronics where

extreme temperature resistance (-55°C to +850°C) and long-term reliability are critical.

4. Medical Electronics – Implantable medical devices, surgical instruments, and diagnostic equipment leverage alumina's

biocompatibility, chemical inertness, and sterilization resistance.

5. Automotive & New Energy Vehicles – Used in battery management systems (BMS), motor controllers, and DC-DC converters

for electric vehicles, where high thermal conductivity and vibration resistance are essential.

6. Industrial & High-Temperature Sensors – Pressure sensors, gas sensors, and thermocouple assemblies in harsh industrial

environments benefit from alumina's mechanical strength and corrosion resistance.

Ceramic PCB Production Line

Standard Alumina Ceramic PCB Production Flow:

Tape Casting → Drilling → Sintering → Screen Printing / Sputtering → Plating → Laser Trimming → Dicing → Electrical Test & FQC

Contact Us

Website: www.xdpcba.com
Email: sales@xdpcba.com；bluesky@xdpcba.com

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