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LED Ceramic Substrate
  • LED Ceramic Substrate
  • LED Ceramic Substrate
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Basic Info

Model No.:  RY-T070

Product Description Model NO.: RY-T070 Type: Insulation Film Material: Ceramic Maximum Voltage: 20KV~100KV Certification: UL, ISO9001, SGS Brand: Ry Origin: China Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate Chemistry: Plate Substrate Thermal Rating: 250 250 Classification: Hybrid Insulation Materials Color: White Specification: customized HS Code: 854710000   Ceramic substrate
1. Alumina ( Al2O3 substrate )
Al2O3 substrate is the most popular ceramic substrate, with excellent heat
resistance, high mechanical strength , abrasion resistance and small dielectric
loss.The surface of alumina substrate is quite smooth and low porosity.99.6%
alumina substrate is suitable for thin film device, 96% alumina substrate is suitable for thick film device application .
2. Aluminium Nitride ( AlN substrate )
Aluminium Nitride has higher thermal conductivity, compared to alumina substrate. It is about 7 to 8 times high. AlN substrate is an excellent electronic package material.
3. Zirconia ( ZrO2 substrate )
Compared to alumina substrate, ZrO2 substrate has higher mechanical strength and fracture toughness it's about three times higher for bending strength, two times for fracture toughness than alumina substrate. ZrO2( zirconia ) also provides good abrasion resistance. It features a thermal expansion rate close to metals.
Ceramic Substrates Properties
Materials Al2O3 AlN ZrO2
96% 99.60%
Color White White Gray White
Density (g/cm 3 ) 3.72 3.85 3.3 6.04
Thermal conductivity (W/m. K) 22.3 29.5 160 -190 2.4
Thermal Expansion (x10 -6 / o C) 8 8.2 4.6 10
Dielectric strength 1.40E+07 1.80E+07 1.40E+07  
Dielectric Constant (at 1MHZ) 9.5 9.8 8.7 29
Loss Tangent (x10 -4 at 1MHZ) 3 2 5 1.00E-03
Volume Resistivity (ohm-m) >10 14 >10 14 >10 14  
Flexural Strength (N/mm 2 ) 350 500 450  





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LED Ceramic SubstrateLED Ceramic Substrate

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