Alumina Substrate(A-99.6)-Ceramic Substrate-Sinoceram Technology (zhengzhou) Co., Ltd.

Alumina Substrate(A-99.6)

Product Description: Alumina Ceramic Substrate (A-99.6)
Product Features: Low roughness, high density, high flexural strength, high insulation, high thermal conductivity, and capable of laser processing
Application Scenarios: Thin-film integrated circuits, high-power semiconductor modules, motor controllers for new energy vehicles, IGBT modules

Performance Parameters

Material Grade				A-99.6
Content of Al₂O₃		wt	%	>99.6%
Appearance				White
Roughness		Ra	μm	0.1~0.3
Density		Drainage	g/cm³	≥3.90
Light Reflectance		450nm/1mm	%	/
Mechanical Characteristics	Flexural Strength	Three Point Bending Resistance	MPa	＞470
	Fracture Toughness	Indentation Method	MPa.m^½	3.2
	Vickers Hardness	Load 4.9N	GPa	16
	Young's Modulus	Stretching Method	Gpa	350
Thermal Characteristics	Coefficient of Linear Thermal Expansion	25~800℃	x10^-6 /K	7.9
	Thermal Conductivity	25℃	W/(m.k)	＞29
	Specific Heat Capacity	25℃	J/(kg.k)	780
Electrical Characteristics	Dielectric Constant	1MHz,25℃	-	9.8
	Dielectric Loss Angle	1MHz,25℃	x10^-4	≤2
	Volume Resistivity	25℃	Ω.cm	≥10¹⁵
	Dielectric Strength	DC	KV/mm	≥15