Why Choose Aluminum Nitride for Power Electronics? Superior Thermal Management Solution

 In the field of High-power Power Electronics, the ceramic wafers make a great contribution, when you think of high-tech materials, your mind probably jumps to silicon, graphene, or whatever Elon Musk is tweeting about this week. But here at Innovacera, we’d like to introduce you to a true backstage superstar—Aluminum Nitride, or AlN if you’re in the know.

 

Now, AlN might not have the celebrity status of silicon, but it’s got something better: thermal conductivity up to 230 W/m·K. That’s 9.5 times that of alumina, in case you were wondering. It’s the kind of performance that makes engineers blush and thermal management experts weep with joy.

 

 

Whether it’s chilling with LEDs, keeping laser diodes in line, or holding its nerve in high-temperature sensors, AlN does it all—and with style. It’s electrically insulating, mechanically strong (450 MPa, if you’re keeping score), and resistant to thermal shock, molten metal.

Innovacera offers AlN wafers from 2 to 12 inches, in thicknesses from 0.125mm to 3mm. Fancy a 6” or 8” wafer with a notch? We’ve got ’em. Need something custom? We’re all ears—and engineers.

 

So next time you’re designing power modules, MOSFETs, or just want something that won’t crack under pressure, remember: AlN isn’t just a material. It’s a marvel. And it’s available now, with a smile, from Xiamen.

 

Properties	Unit	6″ Wafer	8″ Wafer
Material	–	AlN	AlN
Thermal Conductivity	W/(m·K)	>170 >200 >220	>170 >200 >220
Thermal Expansion Coefficient	ppm/K (300~1200K)	4~6	4~6
Sintering Aid	–	Y2O3	Y2O3
Diameter	mm	150±0.25	200±0.25
Notch Depth	mm	1.0+0.25/-0/Locating Edge	1.0+0.25/-0
Notch Angle	–	90°+5/-2°	90°+5/-2°
Thickness	μm	400±15	400±15
Thickness Tolerance	μm	Premium: 0.0127 Standard: 0.0254
TTV	μm	Premium: 5 Standard: 10
BOW	μm	<±30	<±30
Warp	μm	<50	<50
Ra	nm	<50	<50

 

There are the parameter for information:
Thermal Conductivity Champion : It features an ultra-high thermal conductivity (up to 170-230 W/m·K as stated in your document), which allows for rapid heat dissipation and makes it an exceptional material for thermal management in electronic devices.

 

High-Power Pro : Classified as an ultra-wide bandgap semiconductor (with a bandgap of around 6.2 eV), it has an extremely high breakdown field strength. This enables it to withstand high voltage and high power while delivering superior efficiency.

 

Stability Steward : It maintains consistent performance in high-temperature, high-voltage and high-frequency environments, and is resistant to thermal shock and chemical corrosion – earning a well-deserved reputation for unwavering reliability.

 

UV Transmittance Expert : It exhibits excellent transmittance for deep ultraviolet (DUV) light, making it an ideal substrate material for manufacturing DUV optoelectronic devices such as LEDs and lasers.