Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet

Product Details
Application: Aerospace, Electronics, Medical, Refractory
Conductive Layer: Thick Copper Layer
Material: Al2O3
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  • Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
  • Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
  • Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
  • Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
  • Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
  • Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
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Basic Info.

Model NO.
AA INC-DBC20310
Process
Direct Bonded Copper
Thickness
Customized
Vickers Hardness
11
Dielectric Loss
9
Shape
Plate
Max Use Temperature
1400°c
Color
White
Hardness
11.5
Thermal Conductivity
24.7
Processing Service
Moulding, Active Metal Bonding
Density
3.6-3.7
Flexural Strength
300MPa
Material Composition
Alumina, Al2O3
Speciality
High Insulation, High Strength
Type
Ceramic Plates
Transport Package
Carton Packing
Specification
Customized
Trademark
INNOVACERA
Origin
Fujian, China
Production Capacity
200000 Piece/Pieces Per Month

Product Description


DBC substrate short for Direct Bonded Copper substrate is an advanced material composed of a ceramic substrate (typically Al2O3 or AlN) and copper, tightly joined together through a hypo-eutectic process. This unique combination of materials results in a substrate with exceptional thermal conductivity, low thermal expansion, high strength, and excellent wettability for soldering applications. 
1. Thickness of substrate can be thin: 0.25mm,0.28mm,0.45mm,0.5mm,0.635mm,1.0mm,1.5mm, 1.8mm,2.0mm
2. Coating by Cu ,Mo/Mn,Ag, Plate with copper
3. Excellent thermal conductivity
4. High electrical insulation
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet

Applied Area
 
* Automotive: ABS, Power Steering, DC/DC Converter, LED Lighting, Ignition Control  * Power Electronics: IGBT, MOSFET, Thyristor Module, Solid-state Relay, Diode, Power transistors 

 * Home Appliance: Air Conditioner, Peltier Cooler 

 * Industrial: LED Displays, Welding Machine

 * Aerospace: Laser, Power Supply for Satellites and Aircrafts 

 * Environmental Technology: Local Power Generation, Electric Vehicle, Traction Control System, Photovoltaic Units, Wind Power
 
 * PC/IT: Power Supply, UPS System

Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Ceramic Materials Properties
1. High Thermal Conductivity 
2. Low Thermal Expansion 
3. High Strength 
4. High Wettability for Solder
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
DBC Design Guide
Item
Unit
Value
Master Card Size
mm
138x190 ±1.5%
USABLE AERA 127×178
Dimension Tolerance
mm
-4
Copper Edge to Ceramic Edge
mm
±0.15
Pattern Mismatch
mm
≤0.2
Etch Factor
-
>2
Chip
t
L : max.1, W&D : 0.5
Total Thickness
%
±7
Surface Roughness
μm
Rmax=50 ; Ra≤3 ; Rz≤16
Plating Thickness
μm
Au: 0.01~0.1; Ni: 2~8
Available Material Thickness and Combination
96% Al2O3
Copper Thickness





Thickness
0.127
0.2
0.25
0.3
0.4
0.5
0.25
-
-
-
0.32
-
-
0.38
-
-
0.5
0.635
1
ZTA
Copper Thickness
Thickness
0.127
0.2
0.25
0.3
0.4
0.5
0.25
-
-
0.32
AlN
Copper Thickness
Thickness
0.127
0.2
0.25
0.3
0.4
0.5
0.38
-
-
0.5
0.63
1
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Material Specification & Properties
Item
Al2O3
ZTA
ALN
Unit
Content
96% Al2O3
90%Al2O3
-
%
9%ZrO2
Density
3.75
3.95
3.3
g/m³
Thermal Conductivity
>24
>27
>170
W/m.K
Electrical Resistivity
>1014
>1014
>1014
Ω·cm
Dielectric Constant
9.8
10.5
9
1Mhz
Dielectric Strength
>20
>20
>20
KV/mm
Dielectric Loss
0.0003
0.0003
0.0005
1Mhz
Bending Strength
>350
>600
>350
MPa
(Σ0,M>10)
Young’s Modulus
340
310
320
Gpa
Coefficient of Thermal Expansion
6.8
7.5(40℃~400℃)
4.7
x10-6/K
20℃~300℃)
8.4(40℃~800℃)
(20℃~300℃)
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet
Dbc Au Coating Aluminium Nitride Aln Ceramic Substrate / Sheet

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