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White Melting Alumina Wafer Polishing Plate Alumina Ceramic Sheet Electrical Insulation

Wuxi Special Ceramic Electrical Co.,Ltd

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Address: N0 4,longshan Rd,Xinwu District,Wuxi City,jiangsu Province,China

Contact name:Zhu

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Wuxi Special Ceramic Electrical Co.,Ltd

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White Melting Alumina Wafer Polishing Plate Alumina Ceramic Sheet Electrical Insulation

Country/Region china
City & Province wuxi jiangsu
Categories Steel Sheets
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Product Details

alumina wafers for thin film circuits,alumina wafers for semiconductor processing,sensor component substrates

We are able to manufacture alumina wafers up to a maximum size of φ300mm (φ12 inch).
With a high density and few pores, it is possible to form fine circuit patterns.
We also handle substrates with fine rounded/square holes or slits, as well as polished substrates.

Main Applications

  • A.Alumina Substrates for thin film circuits
  • B.Sensor component substrates
  • C.Substrates for semiconductor processing

Features

  • Able to manufacture up to a maximum size of φ300 mm (φ12 inch).
  • The material has a low surface roughness (Ra 0.02μm or less) and few surface pores which makes it possible to form fine circuit patterns.
  • The high bending strength allows a reduced thickness.
  • The small dielectric loss tangent in the high frequency band makes it ideal for use with high-frequency circuits.

Alumina Wafers

 Main Parameter:(Chemical/physical)  
PropertyItemUnit99.7% Alumina ceramics
General propertiesMain componentwt%99.7~99.9
Densitygm/cc3.94~3.97
Color-Ivory
Water absorption%0
Mechanical PropertiesFlexural Strength(MOR)20℃Mpa(psix10*3)440-550
Elastic Modulus 20℃Gpa(psix10*6)375
Vickers HardnessGpa(kg/mm2)R45N>=17
Bending StrengthGpa390
Tensile Strength 25℃Mpa(PSIX10*3)248
Fracture Toughness(k l c)Mpa*M*1/24~5
Thermal PropertiesThermal conductivity(20℃)w/mk30
Coefficient of Thermal expansion (25-1000℃)1x10-6/℃7.6
Thermal shock resistance200
Maximum use temperature1700
Electrical PropertiesDielectric Strength(1mhz)ac-kv/mm(ac v/mil)8.7
Dielectric Constant(1MHZ)25℃9.7
Volume Resistivityohm-cm(25℃)>10*14
 ohm-cm(500℃)2x10*12
 ohm-cm(1000℃)2x10*7

 

Our Company
 

 

Wuxi Special Ceramic Electrical mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 15 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.

 

 

 

  Quality guarantee:mass produce by 100% inspection

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