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Silicon Nitride Ceramic Substrates (Si3N4)

Categories Silicon Nitride Ceramics
Brand Name: ZG
Model Number: MS
Certification: CE
Place of Origin: China
MOQ: 1 PC
Price: 10USD/PC
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000 PCS
Delivery Time: 5-8 work days
Packaging Details: Strong wooden box for Global shipping
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Silicon Nitride Ceramic Substrates (Si3N4)

Silicon Nitride Ceramic Substrates (Si3N4)


Silicon nitride [Si3N4] is a ceramic, the features of which are its increased strength characteristics and increased wear resistance, relative to other types of ceramic materials. Therefore, it is best used in structures where high strength of the product and its resistance to high temperature changes are necessary.

Due to their mechanical characteristics, products made using silicon nitride perfectly withstand conditions of prolonged thermal cycling, shocks, tests with increased friction, as well as interaction with aggressive media.


Specifications


Properties

Material

Si3N4

Colour

Gray

Bulk density

г/см3

≥ 3,20

Surface roughness Ra (grinding)

мкм

Roughness of the polished surface (Ra)

мкм

Ra 0,05

Mechanical properties

Flexural strength

МПа

900

Compressive strength

МПа

2500

Elastic modulus

ГПа

315

Vickers Hardness

ГПа

Fracture toughness


7,5

Physical properties

Coefficient of thermal expansion (25-1000°C)

10 -6 /°C

3,1

Thermal conductivity (25°C)

Вт/м∙°K

19

Specific heat capacity

Дж/кг*К

3,1

Heat shock resistance

С

800

Maximum operating temperature

С

1400

Dielectric strength


15

Volumetric resistance (25 С)


≥ 1014

Dielectric constant (1 МГц)

-

9,0 - 10,0

Dielectric losses (1МГц, 25°C)

∙10 -4

4

Technological properties

DBC technology

-

Thick-film technology

-

Thin-film technology

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Application area


The created boards based on ceramics of silicon nitride or carbide are used in the following areas:

  • as an insulator;
  • manufacturing of storage devices;
  • production of integrated circuits;
  • a more reliable and durable alternative for aluminum oxide (Al2O3)
  • the basis for the manufacture of high-power electronics boards
  • substrates for sensors, electronic devices that are operated under the influence of aggressive environments, etc.
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