Disco ceramico al nitruro di alluminio

Aluminum nitride ceramic discs have high thermal conductivity, low dielectric coefficient and dielectric loss, and excellent mechanical properties. They are widely used in semiconductor equipment, electric vehicles, charging piles, IGBT modules, energy storage batteries, LED and laser equipment, Radiators, high-power devices and other fields.

ALN Disc Manufacturing Company

Great Ceramic offers aluminum nitride (ALN) ceramic discs that are die cast (or isostatically pressed) in a mold. It has good electrical insulation properties, can withstand large instantaneous current shocks, has high mechanical strength, is non-toxic and harmless, etc. The size of the disc can be customized according to customer needs, with a maximum diameter of 450 mm and a maximum thickness of 20 mm.

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Properties of AlN Ceramic Disc

Basic properties of ceramic disc

Articoli	Unità	AlN Disc
Colore	-	Grigio/Beige
Densità di volume	g/cm³	3.25
Rugosità della superficie	um(Ra)	＜0.8
Camber	lunghezza ‰	≤2.5

Mechanical properties of disc

Articoli	Unità	AlN Disc
Resistenza alla flessione	MPa	≥350
Resistenza alla frattura	MPa-m^1/2	3.0
Durezza Vickers	Media dei voti	11

Thermal properties of the disc

Articoli	Unità	AlN Disc
Conducibilità termica	W/m-k(25℃)	≥170
Coefficiente di espansione termica	×10^-6/k (20℃~800℃)	4~6
Resistenza agli shock termici	≥10(800℃)	Nessuna crepa
Capacità termica	J/(kg-k)	720

Electrical properties of the disc

Articoli	Unità	AlN Disc
Resistenza al volume	Ω-cm(20℃)	1.5×10¹³
Costante dielettrica	1 MHz	10.6
Perdita dielettrica	1 MHz	4.6×10^-4
Rigidità dielettrica	KV/mm	≥20

Nota: ogni lotto può essere diverso, solo come riferimento.

Nota: si prega di visualizzarlo sul proprio computer.

Advantages Of Aluminum Nitride Discs

From the scanning electron microscope pictures, the grain size of the aluminum nitride disk is uniform, and there is no obvious phenomenon of larger grains. It can achieve uniform heat distribution without causing temperature differences.

Dimensions Of Ceramic Disc

Great Ceramic offers aluminum nitride (AlN) ceramic discs in a variety of standardized sizes to meet customer needs. In addition, we also provide customers with disc customization services, and the size can be customized according to customer needs.