CONTACT US
Product
Aluminum Nitride Ceramic Discs
Aluminum Nitride Ceramic Discs

Product Name: Auminum nitride(AlN)substrates

HS Code: 6903900000

Features: high efficiency, low cost and pollution-free ceramic substrate casting technology etc.

Size: length and width can each reach 7.5 inches with thickness of 0.381mm, 0.5mm, 1mm.

Application: LED package, Power resistance ceramic base board, Ultra-power laser semiconductor LD etc.

Custom:support customized.
product details

Specification of Aluminum Nitride(AlN) Ceramic Substrates

ALN Substrates

Technical Parameters Item Instant fired flake Grinding plates
Warping degree(μm/mm) ≤2‰ ≤2‰
Bulk density(g/cm3) >3.3 3.3
Flexural strength(MPa) >450 >380
Surface roughness
(Ra, μm)
0.2-0.5 0.3-0.6
Coefficient of linear expansion(1/℃) 4-6 4-6
Thermal conductivity(25℃)W/m∙K ≥170W/m∙K ≥170W/m∙K
permittivity 8-10 8-10
Volume resistivity(25℃) Ω/cm ≥1013 ≥1013
Breakdown voltage kV/mm 17 17
The data above were tested under conditions as follows:
                    Temperature: 15-35℃
                    Relative humidity: 20%-80%
                    Air pressure: 86-106 kPa
The technical parameters may change under other conditions.





Length and Width Thickness
Size
114.3*114.3

127*127

138*190
0.381mm
0.5mm
0.635mm
1.0mm
1.5mm
We can customize by the drawing.
Size Standard

Length and Width Thickness
Size ≤150x100 1.0 ≤1.0

Common difference

±1% ±7%

±10%


Other Customized AlN Ceramic Parts:

ALN ceramics ALN ceramic parts


If you have any needs about aluminum nitride parts, please send us product drawings and your requirements. We have professional engineers to help produce what you need.