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Silicon Nitride Ceramic Substrates (Si3N4)

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Silicon Nitride Ceramic Substrates (Si3N4)

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 [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
Properties		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

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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