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BeO Ceramic Substrate 2"x 2"x0.019", fine ground


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Item Number: BeOceramic-5050048FG

BeO Ceramic Properties
Property Condition Unit Value
Density   g/cm 3 ≥2.85
BeO purity   % ≥99
Tensile strength   MPa ≥140
linear expansion coeff. 20℃-500℃ ×10 -4 /℃ 7-8.5
Thermal Conductivity 40℃ W/m·k ≥250
Specific Heat 25℃ cal/°C gm 0.25
Hardness 60 Rockwell  
Dialectic Constant 1MHz 20℃   6.5-7.5
  10GHz 20℃   6.5-7.5
  1MHz 20℃ ×10 -4 ≤4
  10GHz 20℃ ×10 -4 ≤8
Resistivity 100℃ Ω.cm ≥1013
  300℃ Ω.cm ≥1010
Dialectic Strength DC KV/mm ≥15
Chemical stability 1:9HCl ug/cm 2 ≤0.3
  10% NaOH ug/cm 2 ≤0.2
Max. working Temperature   1800
 
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