TABLE VI.
Material Definitions for Laminates, Via Fills, and Copper
Tg [°C] |
α1/α2 [ppm/°C] |
Cp [J/gK] |
ρ [lb/in3] |
k [W/mK] |
E [ksi] | λ | |
---|---|---|---|---|---|---|---|
Laminate | |||||||
Isola P95 | 260 | {13,14,55} | 0.95 | 0.058 | 0.2 | 3892 | 0.187 |
Arlon 85N | 250 | {16,16,55}/{16,16,149} | 0.94 | 0.058 | 0.2 | 3200 | 0.15 |
Nelco N7000-2 HT | 260 | 10 | 1.06 | 0.061 | 0.45 | 3100 | 0.146 |
Rogers R04350B | 280 | {10,12,32} | 0.9 | 0.067 | 0.69 | 2432 | 0.4 |
Duroid 6002 | N/A | {16,16,24} | 0.93 | 0.076 | 0.6 | 120 | 0.4 |
Isola HR370 | 180 | {13,14,45}/{14,17,230} | 0.94 | 0.058 | 0.4 | 3744 | 0.177 |
Via Fill | |||||||
Taiyo THP-100DX1 VF | 155 | 32/81 | 900 | 0.059 | 0.58 | 652.67 | 0.34 |
DuPont CB100 | 115 | 27/47.2 | 309 | 0.2 | 3.5 | 2000 | 0.34 |
Copper | |||||||
Copper foil | N/A | 17.7 | 385 | 0.32 | 391 | 17000 | 0.35 |
Electroplated copper | N/A | 17.7 | 385 | 0.32 | 401 | 18850 | 0.34 |
Tg = glass transition temperature, α1/α2 = coefficient of thermal expansion (CTE) below/above Tg, Cp = specific heat capacity at constant pressure, ρ = density, k = thermal conductivity, E = elastic modulus, λ = Poisson’s ratio