Ceramic Substrate

Ceramic Substrate

Ceramic Substrate,mainly used in the production of industrial ceramics,such as textiles and ceramics.99 porcelain is mainly used in the production casing Tancifaxin take over the seat of electronic products such as ceramics plates. Ceramic Substrate specifications Specifications of Ceramic...

Ceramic Substrate,mainly used in the production of industrial ceramics,such as textiles and ceramics.99 porcelain is mainly used in the production casing Tancifaxin take over the seat of electronic products such as ceramics plates.

Ceramic Substrate specifications 

AL2O3

99%

MgO

0.8%

Na2O

<0.15%

SiO2

<0.018%

Y2O3

<0.02%

Fe2O3

<0.02%

TiO2

<0.006%

CaO

<0.005%

Specifications of Ceramic Substrate

Items

Test condition

Unit


Average grain size


µm

3 - 5

Density


g/cm3

=3.85

Water absorption


%

0

Hardness (Vickers)

HV0.5


=1900

Flexual strength

Distance between bending points 80mm

MPa

=340

Compressing strength


MPa

3600

Linear thermal expanding coefficient

20-500?

1x106 mm/?

6.5 – 7.5

20-800?

6.5 - 8.0

Thermal conductivity

20?

W/(m.K)

=24

Dielectric strength


KV/mm

=12

Volume resistivity

300?

O.cm

=1011

Dielectric constant

1MHz


9.3-10.6

Dielectric loss

1MHz


3x10-4

Thermal shock resistance

850?

times

=7

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