Specifications

Alumina NItride Substrate
fessional manufacturer
2.CE certificate
3.wear resistant
4.Electrical insulator

ZhengZhou STA high quality alumina NItride Substrate ceramic substrate

The aluminum nitride ceramic plate has high thermal conductivity of more than 170W/m.k,

high density, low dielectric loss, good insulation and some other excellent properties.The ALN substrate is

the best choice for a wide range of industrial insulating heat sink material of high power machinery

and equipments such as highfrequency equipment substrate, high power transistor module substrate,

high density hybrid circuits, microwave power devices, power semiconductor devices, power electronic

devices, optoelectronic components, laser-semi-conductor, LED, IC products, and so on.

the technical data of the ALN plate

Property content	Property index
Density(g/cm³)	≥3.30 g/cm³
Water absorption (%)	0
Thermal conductivity(20°C, W/m.k)	≥170
Linear expansion coefficient (RT-400°C,10-6/°C)	4.4
Flexural strength (MPa)	≥330
Bulk resistance (Ω.cm)	≥10¹⁴
Dielectric constant(1MHz)	9.0
Dissipation factor (1MHz)	3×10^-4
Dielectric strength (KV/mm)	≥15
Surface roughness Ra(μm)	0.3~0.5 (≤20nm)
Camber (~/25.4(length))	0.03~0.05
Appearance	Dense

the detail size of the ALN plate

Thickness(mm)	Length*Width(mm)
0.385	2″* 2″ 50.8*50.8mm		3″* 3″ 76.2*76.2mm			4″* 4″ 101.6*101.6mm			4.5″* 4.5″ 114.3*114.3mm
0.5
0.635
1.0
	Diameter(mm)
1.0	Φ16 Φ19	Φ20 Φ26		Φ30 Φ35	Φ40 Φ45		Φ50 Φ52	Φ60		Φ75	Φ80
1.2
1.5
2.0
2.5
PS: Other dimensions which are not listed are available upon your requests.

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ZhengZhou STA high quality alumina NItride Substrate ceramic substrate