Aluminum Nitride (AlN) Ceramics Manufacturers and Suppliers

Leading aluminum nitride (AlN) ceramic manufacturers include CoorsTek, Kyocera, Tokuyama (SHAPAL™), MARUWA, and Jundro Ceramics Technology. These companies provide AlN substrates, heat sinks, and custom components widely used in semiconductors, power electronics, aerospace, and medical devices. AlN ceramics typically achieve thermal conductivity between 170–200 W/m·K, combined with excellent electrical insulation (>10¹³ Ω·cm) and high-temperature stability, making them essential for high-performance applications.

Key Manufacturers & Product Capabilities

Manufacturer	Key Products	Thermal Conductivity	Applications	Distinct Features
CoorsTek	Custom AlN parts, substrates	170–180 W/m·K	Electronics, aerospace	100+ years ceramics expertise
Tokuyama (SHAPAL™)	Machinable AlN	~90 W/m·K	Semiconductor tools	Easy to machine, halogen plasma resistant
Kyocera	AlN substrates & components	170–200 W/m·K	Power modules, RF	Mass production capability
MARUWA	High-purity AlN filler & substrates	160–180 W/m·K	LED, IC packaging	Proprietary powder & sintering
Jundro Ceramic Technology	Precision-machined AlN parts	170–185 W/m·K	Semiconductor, defense, medical	Custom machining ±0.001 mm
Precision Ceramics	AlN plates, PCAN1000	170 W/m·K	Thermal management	Silicon-matched CTE
Ortech Ceramics	Substrates, crucibles	160–170 W/m·K	Industrial, electronics	ISO-certified custom production
Nextgen Advanced Materials	AlN single crystal substrates	180–200 W/m·K	Advanced electronics	Niche R&D applications

Common Applications of Aluminum Nitride Ceramics

Semiconductors: Wafer chucks, heat spreaders, backplates requiring matched thermal expansion with silicon.
Power Electronics: Substrates for MOSFETs, IGBTs, and LED modules due to high thermal conductivity and insulation.
Microwave & RF: Low-loss substrates for aerospace and defense communication systems.
Medical Devices: High-frequency surgical instruments requiring thermal management and biocompatibility.
High-Temperature Components: Crucibles and refractory parts with resistance to thermal shock and chemical corrosion.