Aluminum Nitride Heater

The Aluminum Nitride Substrate is a ceramic substrate made from aluminum nitride. It combines high thermal conductivity (170-230W/(m·K)), strong electrical insulation, and high-temperature resistance, with a thermal expansion coefficient matching silicon chips. It’s a key heat-dissipating and insulating component in power electronics, RF modules, etc. NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality aluminum nitride products, focuses on producing high-precision aluminum nitride heaters for diverse application fields.

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Aluminum Nitride Heater Data Sheet

Purity:	95%-99%
Density:	3.32 g/cm³
Appearance:	Dark Gray / Light Gray / Beige
Thickness:	0.8-3.0 mm
Dimensions:	Customized
Maximum Working Temperature:	500℃
Maximum Watt Density:	155 W/cm²
Heating Line Resistance Tolerance:	±20%
Heating Speed:	150℃/s
TCR:	0.0015±0.0003

Aluminum Nitride Heater Description

Aluminum Nitride (AlN) Heater is a high-performance, advanced thermal control component that leverages AlN ceramic’s inherent advantages—exceptional thermal conductivity (up to 200 W/m·K), strong electrical insulation, and outstanding resistance to high temperatures (over 1000°C); typically fabricated by embedding heating elements (e.g., tungsten, molybdenum) into dense AlN substrates, it delivers rapid thermal response, ultra-uniform temperature distribution (temperature deviation <±2°C), and long-term stability, making it widely used in semiconductors, electronics (like LED packaging), precision analytical instruments, and semiconductor wafer processing to meet strict thermal management needs in high-tech, demanding thermal scenarios.

Aluminum Nitride Heater Advantages

Capable of withstanding high temperatures up to 1000°C.
Exceptional thermal conductivity (170-220 W/m·K) and uniform heat distribution.
Hard, dense, non-porous substrate with high purity.
Superior resistance to moisture and chemicals.
Excellent flexibility in size and shape customization.
Precise and repeatable patterning with evenly distributed wattage.
Excellent dielectric properties
Low coefficient of thermal expansion
Low mass: fast temperature ramp-up and cool-down
Low leakage current
No outgassing with inorganic systems

Aluminum Nitride Heater Applications

Semiconductor/Microelectronics: Used for stage heating in wafer coating (PVD/CVD), etching, and packaging welding. It ensures temperature uniformity within ±1℃, preventing contamination or yield loss.
Electronic Manufacturing: Applied in local welding of high-frequency PCB circuits and high-temperature aging tests of electronic components. It fits compact spaces, avoids short circuits, and enables precise temperature control.
Medical Industry: Used for core heating in medical laser equipment (e.g., dental lasers) and constant-temperature cultivation of biological samples, meeting the requirement of cleanliness without volatilization.
Optics/New Energy: Suitable for temperature control in optical lens coating and heating in lithium battery pole piece drying, with thermal shock resistance to adapt to the working conditions of precision equipment.

Aluminum Nitride Ceramic Packaging

Aluminum Nitride Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

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FAQ

What's the core material of aluminum nitride heaters, and why is it special?

Core material is aluminum nitride (AlN) ceramic. It stands out for ultra-high thermal conductivity, stable high-temperature insulation, strong thermal shock resistance, and no high-temperature volatilization.

How do aluminum nitride heaters outperform traditional heaters?

Vs alumina heaters: 3–5x faster heating, ±1℃ uniformity (vs ±5–8℃); vs metal heaters: no local overheating, usable at >1000℃ (vs <500℃) and no oxidation.

What semiconductor processes need aluminum nitride heaters?

Wafer coating (PVD/CVD), etching, and packaging welding—ensuring precise temperature control to avoid yield loss.

Where are aluminum nitride heaters used in medical fields?

Medical laser devices (e.g., dental lasers) and biological sample cultivation—meeting cleanliness and stable temperature needs.

Can aluminum nitride heaters adapt to new energy scenarios?

Yes, e.g., lithium battery pole piece drying—resisting thermal shock and ensuring uniform heating for product quality.

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