Direct Bonded Copper (DBC) Alumina Ceramic Substrate

Direct Bonded Copper (DBC) Alumina Ceramic Substrate

Product Description
Warning/Disclaimer
This product has obtained relevant product qualifications/licenses for certain applicable countries.

Products Description

DBCセラミック基板
DBC ceramic substrate is a high-performance material used in power electronics. It combines direct bonded copper (DBC) with a ceramic base, offering excellent thermal conductivity and electrical insulation. This substrate is ideal for applications requiring efficient heat dissipation, such as LED lighting and automotive modules. Its robust structure ensures reliability in demanding environments.

According to your use conditions and requirements, custom hit samples and production.

Product Parameters And Specifications

ceramic

Item	Unit	Si3N4	AlNの	ZTA	BeO
Density	g/m³	3.2	3.3	4	3
Thermal Conductivity	W/m.K@25℃	≥80	≥170	≥27	≥250
Coefficient of Thermal Expansion	X10 -6 /K （20℃-300℃）	≤2.6	≤4.3	≤7.5	≤9
Flexural Strength	MPa	≥700	≥450	≥500	≥190
Dielectric Strength	KV/mm	≥15	≥15	≥15	≥15
Dielectric Loss	1MHz	0.0003	0.0003	0.0003	0.0003
Dielectric Constant	1MHz	9	9	10.5	6.9
Volume Resistivity	Ω·cm@ 20 °C	10¹⁴	10¹⁴	10¹⁴	10¹⁴
Young’s Modulus	Gpa	320	320	310	/

Copper Sheet

Item	Unit	Performance
Thickness	ミリメートル	0.127/0.2/0.25/0.3/0.4/0.5/0.8
Oxygen Content	%	≤0.001
Surface Hardness	HV3	90-120（Post-Copper Cladding：45-55）
Conductivity	MS/m	58.6

Standard Material Thickness Combinations

	0.127ミリメートル	0.2ミリメートル	0.25ミリメートル	0.3ミリメートル	0.4ミリメートル	0.5ミリメートル	0.8ミリメートル
0.25ミリメートル	AlN/Si3N4	AlN/Si3N4	AlN/Si3N4	AlN/Si3N4	AlN/Si3N4	AlN/Si3N4	AlN/Si3N4
0.32ミリメートル	AlN/Si3N4/ZTA	AlN/Si3N4/ZTA	AlN/Si3N4/ZTA	AlN/Si3N4/ZTA	AlN/Si3N4/ZTA	AlN/Si3N4/ZTA	AlN/Si3N4/ZTA
0.38ミリメートル	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO
0.635ミリメートル	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO
1.0ミリメートル	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO
2.0ミリメートル	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO	AlN/Si3N4/BeO

Direct Bonded Copper Ceramic Substrates Material Property:

– Low Thermal Expansion
– High Strength
– High Thermal Conductivity
– High Wettability for Solder

Direct Bonded Copper Ceramic Substrates Applied Area

– Power Electronics: IGBT, MOSFET, Thyristor Module, Solid-state Relay, Diode, Power Transistors
– Automotive: ABS, Power Steering, DC/DC Converter, LED Lighting, Ignition Control
– Home Appliance: Air Conditioner, Peltier Cooler
– Environmental Technology: Local Power Generation, Electric Vehicle, Traction Control System, Photovoltaic Units, Wind Power
– Industrial: LED Displays, Welding Machine
– Aerospace: Laser, Power Supply for Satellites and Aircrafts
– PC/IT: Power Supply, UPS System

✅Contact us：

website: www.nmmech.com
電子メール: jack@nmmech.com

More industry information：

🌐 1. Advanced Materials / Precision Ceramics

External Link: https://www.azom.com
Description :

Learn more about the latest trends in advanced ceramics and precision materials from AZoM, a global materials science hub that provides insights into material innovations, applications, and manufacturing technologies.

🚀 2. Aerospace Industry

External Link: https://www.nasa.gov
Description:

The aerospace industry relies heavily on high-performance ceramics. Visit NASA to explore how ceramic materials are used in propulsion systems, thermal protection, and structural components in space exploration.

⚙️ 3. Electronics Industry

External Link: https://www.ieee.org
Description:

The electronics and semiconductor sectors depend on materials with high dielectric strength and insulation performance. IEEE is a trusted global organization that drives innovation in electrical and electronic engineering.

💡 4. Semiconductor Industry

External Link: https://www.semiconductors.org
Description:

Discover how advanced ceramics contribute to semiconductor manufacturing — from wafer handling to plasma etching — at the Semiconductor Industry Association (SIA).

🚗 5. Automotive Industry

External Link: https://www.sae.org
Description:

The automotive industry increasingly adopts advanced ceramic components for fuel systems, sensors, and EV batteries. Visit SAE International for standards and innovations driving automotive engineering forward.

🏥 6. Medical & Healthcare

External Link: https://www.fda.gov/medical-devices
Description:

Advanced ceramics play a vital role in medical implants and devices due to their bio-compatibility and wear resistance. The U.S. FDA Medical Devices Center provides regulatory and research information in this field.

⚡ 7. New Energy / Renewable Energy

External Link: https://www.energy.gov
Description:

In the renewable energy sector, ceramics are used for high-temperature fuel cells and power electronics. Visit the U.S. Department of Energy (DOE) for innovations and materials research in sustainable energy technologies.