Dow CYCLOTENE™ 3022-35 Bisbenzocyclobutene (BCB) Electronic Resin
Categories: Polymer
Material Notes: This product was developed for use as spin-on dieletric materials in microelectronic fabrication.

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Physical PropertiesMetricEnglishComments
Water Absorption <= 0.20 %<= 0.20 %
Viscosity Measure 14 cSt
@Temperature 25.0 °C		14 cSt
@Temperature 77.0 °F
Thickness 1.00 - 2.40 microns0.0394 - 0.0945 mil
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 80.0 - 94.0 MPa11600 - 13600 psi
Elongation at Break 5.5 - 10.5 %5.5 - 10.5 %
Tensile Modulus 2.70 - 3.10 GPa392 - 450 ksi
Poissons Ratio 0.340.34
Shear Modulus 1.01 - 1.16 GPa146 - 168 ksiCalculated
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+19 ohm-cm1.00e+19 ohm-cm
Dielectric Constant 2.5 - 2.65
@Frequency 1.00e+9 - 2.00e+10 Hz		2.5 - 2.65
@Frequency 1.00e+9 - 2.00e+10 Hz
Dielectric Strength 530 kV/mm13500 kV/in
Dissipation Factor 0.00080 - 0.0020
@Frequency 1.00e+9 - 2.00e+10 Hz		0.00080 - 0.0020
@Frequency 1.00e+9 - 2.00e+10 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 42.0 µm/m-°C
@Temperature 20.0 °C		23.3 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 0.290 W/m-K2.01 BTU-in/hr-ft²-°F
Glass Transition Temp, Tg >= 350 °C>= 662 °F
 
Descriptive Properties
Leakage Current A/cm²0.00000000068at 1.0 MV/cm2
Residual Stress MPa, min26 - 30

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