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Hybrid Ceramic Technology

Design Guidelines

Design Guidelines

Layout

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Materials and Metalization

Materials

  Units Alumina (Al₂O₃) Aluminum Nitride (AlN)
Thickness mm (mils) 0.254 (10)
0.381 (15)
0.635 (25)
Min: 0.100 (4)
0.254 (10)
0.500 (20)
0.635 (25)
Min: 0.100 (4)
Thickness Tolerance
(Polished)
mm (mils) 0.010 (0.39) 0.010 (0.39)
Size mm (inches) Max: 101.6 X 101.6 (4 X 4)
Min: 0.25 X 0.25 (0.01 X 0.01)
Max: 101.6 X 101.6 (4 X 4)
Min: 0.25 X 0.25 (0.01 X 0.01)
Surface Roughness Top Ra μm (μ”) Polished: 0.025 (1.0) Polished: 0.051 (2.0)
Bottom Ra μm (μ”) Polished: 0.025 (1.0) Polished: 0.051 (2.0)
Dielectric Constant @ 1 MHz 9.9 9.0
Purity N/A 99.6% 99.9%
Color N/A White Grey
Coefficient of Thermal Expansion 1X10⁻⁶/°C 7.0 4.5
Flexural Strength MPa 620 320
Loss Tangent @ 1 MHz 0.0001 0.0003

 

Other Materials

  Units K=16,000 (@1KHz) K=1,600 (@1KHz)
Thickness mm (mils) 0.150 (6), 0.254 (10) 0.076 (3) ~ 0.254 (10)
Size mm (inches) Max: 4.32 X 4.32 (1.7 X 1.7)
Min: 0.254 X 0.254 (0.01 X 0.01)
Max: 4.32 X 4.32 (1.7 X 1.7)
Min: 0.254 X 0.254 (0.01 X 0.01)
Surface Roughness Top Side - As fired Polished
Bottom Side - As fired Polished
Dielectric Constant
(Nominal value)
- 16,000 (@1KHz) 1,600 (@1KHz)
Color - Gray Brown
Loss Tangent - <6% (@1KHz) <2.5% (@1KHz)

Please contact us for information about our other dielectric materials

 

Metalization
  Units Values
Thickness Range μm (μ”) Au: 0.10 – 5.000 (3.93 – 196.85)

Pt: 0.10 – 0.300 (3.93 – 11.81)

Ti: 0.03 – 0.100 (1.18 – 3.93)
Metalization Schemes N/A Ti-Pt-Au
TaN-Ti-Pt-Au
TaN Sheet Resistivity Ω/sq 25

50

75

100
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