Precision Process Al2O3 Alumina Ceramic Substrate
Alumina Ceramic Substrate is sold well in the world.Zhengzhou Mission Ceramic company adopts the international leading technology,produce high-performance product alumina ceramic substrate.
Alumina Cearmic Substrate Description:
Alumina Ceramic Substrate is the main products of our company.
Mission ceramic provide high quality alumina ceramic substrate.
Our substrate are widely used for direct bond copper substrate (DBC), printer, LED and other high power circuit substrates and heat emission substrates of electronic components.
We can make any thickness as you need from 0.25 to 1.2mm. Max length we can provide is 280mm.
Alumina Ceramic Substrate Application:
1. Alumina Ceramic Substrate for LED Ceramic Suite
2. Alumina Ceramic Substrate for Printers
3. Alumina Ceramic Substrate for Direct Bonding Copper
4. HIC Alumina Ceramic Substrate
Alumina Ceramic Subatrate Sizes\
| Characteristic | Test condition | Unit | Qualified | Fine |
| Color | | | White dense | White dense |
| Size (mm)) | Any size (max :134*230) |
| Length tolerances | | ±0.7%
(Min:0.13mm) | ±0.5%
(Min:0.1mm) |
mm
Thickness | 0.38/0.5/0.635/0.8/1.0/1.2
Any thickness between 0.38 to 1.2 |
| Thickness tolerances | | ±7%
(Min:0.05mm) | ±5%
(Min:0.05mm) |
| Camber | | | ≤0.5% | ≤0.3% |
| Grain size | | μm | 3~5 | 3~5 |
| Surface Roughness | Ra | μm | 0.2~0.5 | 0.2~0.4 |
| Density | | g/cm3 | ≥3.70 | ≥3.72 |
| Physical properties | Flexural strength | Three point | MPa | ≥380 | ≥400 |
| Hardness | Loaded 4.9 | GPa | ≥14 | ≥15 |
| Water absorption | | % | 0 | 0 |
Thermal properties
| Thermal conductivity | 25ºC | W(m*k) | ≥22 | ≥24 |
| thermal expansion | 25-500ºC | 10-6mm/ºC | 6.6~7.5 | 6.6~7.5 |
| 25-800ºC | 6.6~7.9 | 6.6~7.9 |
| Thermal shock resistance | 850ºC |
time | ≥6 |
| Specific heat | | J/(kg*K) | 880 |
| Electrical property | Dielectric constant | 1MHz/25ºC | | 9.4±0.3 |
| Dielectric loss | 1MHz/25ºC | ×10-4 | ≤3 |
| Volume resistivity | 25ºC | Ω*cm | >1014 |
| 500ºC | >1010 |
| 700ºC | >109 |
| Breakdown voltage | | KV/mm | >12 | >12 |
Alumina Ceramic Substrate Advantage:
1.High thermal conductivity
2.Good thermal shock resistance
3.Good surface roughness, flatness.
4.High dielectric strength, low dielectric constant and dielectric loss.
5.Laser cutting makes tight tolerance.
Alumina Ceramic Substrate Package and shipping:
Wood box padded with foam board
Carton box padded with foam board.
Shipping: By sea, by air, by express.
If you are interested in our alumina ceramic substrate,please contect with us for detail information.
About Our Company
Zhengzhou Mission Ceramic Products Co.,Ltd is located in Zhengzhou City,Henan Provance. We have been focused on high quality ceramic products for years. We are providing the following materials.
1.Alumina mainly 95% to 99.7% purity.
2.Zirconia,including FSZ and PSZ, Y2O2-ZrO2,CaO-ZrO2,MgO-ZrO2 available.
3.Silicon Carbide, including SiSIC,ReSiC,NSiC,SSiC.
4.Boron Nitride(BN)
5.Ceramic Fiber products,including board,blanket,and bulk fiber.
6.Heaters,mainly Molybdenum Disilicide(MoSi2) and Silicon Carbide(SiC) heaters.
For different ceramic part,we have different processing method,including Casting,Extruding,Tape Casting,Dry pressing and ISO pressing.
If you are interest in any of our products,please let us know.I believe you will like our products and service.
Zhengzhou Mission Ceramic Products Co., Ltd
No.11 Zhengshang Road, Zhengzhou, Henan, China
Tel: 86-371-56689683
Mob:86-136-7369-5024
Fax: 86-371-67103091