TMM 10i microwave material has an isotropic dielectric constant (Dk). Like the other TMM® series materials, TMM 10i combines many of the desirable features of ceramic and PTFE substrates, with the ease of soft substrate processing techniques.

Features

  • Dk of 9.80 +/- .245
  • Dissipation factor of .0020 at 10GHz
  • Thermal coefficient of Dk of -43 ppm/°K
  • Coefficient of thermal expansion matched to copper
  • Available in a thickness range of .0015 to .500 inches +/- .0015”

Benefits

  • Mechanical properties resist creep and cold flow
  • Resistant to process chemicals, reducing damage during fabrication
  • Material does not require a sodium napthanate treatment prior to electroless plating
  • Based on a thermoset resin, allowing for reliable wire-bonding

Please see below for a sampling of data for this material formulation. For detailed material information and to use advanced features such as filtering, visit the Laminate Properties Tool.

TMM® 10 TMM® 10i TMM® 13i TMM® 3 TMM® 4 TMM® 6
Dielectric Constant, @10GHZ (2.5 GHz) Typical (Process) 9.20 +/- 0.23 9.80+/-0.245 12.85+/-0.35(14) 3.27 +/- 0.032 4.50+/-0.045 6.00+/-0.08
Dielectric Constant, @10GHZ (2.5 GHz) Typical (Design) 9.8 9.9 12.2 3.45 4.7 6.3
Dissipation Factor TAN @10 GHz (2.5 GHz) (Typical) 0.0022 0.0020 0.0019 0.0020 0.0020 0.0023
Thermal Coefficient εr -50°C to 150°C ppm/°C (Typical) -38 -43 -70 37 15 -11
Volume Resistivity Mohm (Typical) 2x108 2x108 TBD 3x109 6x108* 1x108*
Surface Resistivity Mohm (Typical) 4x107 4x107 TBD 9x109 1x109* 1x109
Water Absorption D48/50% (Typical) 0.09(10) 0.16(10) 0.13 0.06(10) 0.07(10) 0.06(10)
Thermal Conductivity W/m/°K (Typical) 50°C ASTM D5470 0.76 0.76 0.7617 0.70 0.70 0.72
Coefficient of Thermal Expansion -55° to 288°C ppm/°C (Typical) X 21 19 19 15 16 18
Coefficient of Thermal Expansion -55° to 288°C ppm/°C (Typical) Y 21 19 19 15 16 18
Coefficient of Thermal Expansion -55° to 288°C ppm/°C (Typical) Z 20 20 20 23 21 26
Peel Strength 1 oz (35um) ED Foil lbs/in. (N/mm) (Typical) 5 (0.9) 5 (0.9) 4 (0.7) 5.7 (1.0) 5.7 (1.0) 5.7 (1.0)
Density gm/cm3 (Typical) 2.8 2.8 3.0 1.8 2.1 2.4
Flammability Rating UL94 NON FR NON FR NON FR NON FR NON FR NON FR
Lead-Free Process Compatible Y Y Y Y Y Y
PIM dBc Typical

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