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Substrates
Highlights

For more information, please refer to details.

Material
  • Al2O3 ,99.6% Hi-Rel + Hybrid grade
    Dimension: 4.5" x 3.75"
    Thickness: 10 - 50 mil
  • AlN
    Dimension: 4.5" x 3.75"
    Thickness: 25 - 40 mil
Metallization by sputtering
  • NiCr-Ni-Au
Electroplating
  • Au (purity 99,99% hardness 90 max VHN20)
    Thickness: 3 - 5 µm

Gold deposit meets the requirements of the relevant specification for bonding, soldering and purity. (MIL 883C, MIL 202F, MIL-G-45204C)

Conductors

  • Metallization lay-up NiCr-Ni-Au-Au
  • Line width Min. 25 ± 4 µm
  • Gap width Min. 25 ± 4 µm
Resistors
  • Sheet resistivity 50, 100,200
  • Line width
    Not trimmable Min. 100µm
    RF-trimmable Min. 150µm
    Trimmable Min. 250µm
  • Line width tolerance ± 2.5 µm
  • Gap width Min. 100µm
  • Probe pads Min. 300*300 µm2
  • Power dissipation
    Rsq 50 Max. 180 mW/mm2
    Rsq 100 Max. 120 mW/mm2
    Rsq 200 Max. 80 mW/mm2
Metallized vias
  • Hole diameter Min. 300 µm
  • Distance between vias Min. 200 µm
  • Distance to resistor Min.150 µm
  • Vias / inch2 substrate Via 300 µm Max. 18
  • Land dimension for via Diameter via + 300µm
  • Alignment accuracy ± 50 µm


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