Wednesday, October 28, 2015

Aluminum Nitride Substrate

Aluminum Nitride Substrate


Features:


High thermal conductivity, 7 to 8 times as much as alumina
Thermal expansion is close to silicon wafer
High insulation resistance
High density and high mechanical strength
Good chemical durability

Applications:


Power modulus, IGBT, MOSFET,..
High power LED package
LED chip submount

Characteristics of Material:
 

ItemMaterialAlN
Appearance-Gray
Bulk densityg /c.c.3.3
Thermal characteristicsThermal conductivityW/mk170
Coefficient of linear thermal expansion×10-6/℃ RT ~ 800℃4.4
Electrical characteristicsDielectric strengthV/m14*106
Volume resistivityOhm.cm>1014
Dielectric constant1 MHz8.7
Dielectric loss angle1 MHz (×10-4)2.5
Mechanical characteristicsFlexure strengthMpa450
Young’s modulusGPa320

General Dimensional Specification:
 

ItemStandardPremium
PremiumMax. 4.5” × 4.5”Max. 4.5” × 4.5”
Thicknessas-fired 0.4 ~ 1.0 mmLapped 0.25 ~ 1.0mm
Dimensions tolerance± 1% NLT ± 0.1mm± 1% NLT ± 0.1mm
Thickness tolerance± 10%± 0.02mm
Warp tolerance≦ 0.003mm/mm≦ 0.0015mm/mm
Surface roughness0.3 ~ 0.9μm, as fired< 0.08μm, polished

Characteristics Comparison (AlN/Al2O3) :

Thermal Characteristics :

Thermal Conductivity VS. Temperature :
 

Aluminum Nitride Ceramic Part Number



ALN CERAMIC 











Part #
Dimension
 (inch)
Dimension
(mm)
Thickness
(mm)
MOQ
(ea)
Lead Time
( Days)
5192001 2*2 50.8*50.8 0.5 1 7
5192002 2*2 50.8*50.8 1 1 7
5193001 3*3 76.2*76.2 0.5 1 7
5193002 3*3 76.2*76.2 1 1 7
5194001 4*4 101.6*101.6 0.5 1 7
5194002 4*4 101.6*101.6 1 1 7
5194501 4.5*4.5 114.3*114.3 0.5 1 7
5194502 4.5*4.5 114.3*114.3 1 1 7
5196001 6*6 152.4*152.4 0.5 1 15
5196002 6*6 152.4*152.4 1 1 15
5198001 8*8 203.2*203.2 0.5 1 30
5198002 8*8 203.2*203.2 1 1 30
5191201 12*12 304.8*304.8 0.5 1 60
5191202 12*12 304.8*304.8 1 1 60
5182001 2 Φ50.8 1 1 7
5182002 2 Φ50.8 1.5 1 7
5182003 2 Φ50.8 2 1 7
5182004 2 Φ50.8 2.5 1 7
5183001 3 Φ76.2 1 1 7
5183002 3 Φ76.2 1.5 1 7
5183004 3 Φ76.2 2 1 7
5183005 3 Φ76.2 2.5 1 7
5184001 4 Φ101.6 1 1 7
5184002 4 Φ101.6 1.5 1 7
5184003 4 Φ101.6 2 1 7
5184004 4 Φ101.6 2.5 1 7
5185001 5 Φ127 1 1 15
5185002 5 Φ127 1.5 1 15
5185003 5 Φ127 2 1 15
5185004 5 Φ127 2.5 1 15
5186001 6 Φ152.4 1 1 30
5186002 6 Φ152.4 1.5 1 30
5186003 6 Φ152.4 2 1 30
5186004 6 Φ152.4 2.5 1 30
5188001 8 Φ203.2 1 1 60
5188002 8 Φ203.2 1.5 1 60
5188003 8 Φ203.2 2 1 60
5188004 8 Φ203.2 2.5 1 60
5181201 12 Φ304.8 1 1 60
5181203 12 Φ304.9 2 1 60