Aluminum nitride AIN ceramic plate disc

Aluminum nitride AIN ceramic plate disc Ceramic AIN disc  Aluminium Nitride AIN has higher thermal conductivity, compared to alumina substrate It is about 7 to 8 times high. AlN substrate is an excellent electronic package material .

Aluminium Nitride AIN Technical data:

Materials

Al2O3

AlN

ZrO2

96%

99.6%

Color

White

White

Gray

White

Density (g/cm 3 )

3.72

3.85

3.3

6.04

Thermal conductivity (W/m. K)

22.3

29.5

160 -190

2.4

Thermal Expansion (x10 -6 / o C)

8.0

8.2

4.6

10

Dielectric strength

14E6

18E6

14E6

 

Dielectric Constant (at 1MHZ)

9.5

9.8

8.7

29

Loss Tangent (x10 -4 @1MHZ)

3

2

5

1E-3

Volume Resistivity (ohm-m)

>10 14

>10 14

>10 14

 

Flexural Strength (N/mm 2 )

350

500

450

 

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