![Sumitomo_Electric_Grid_Design](/sites/default/files/styles/crop_sei_cp_1920x168/public/2020-12/inner_masthead_small/Header%20Segmtent%20Large.jpg?h=c9533afa&itok=Aez0XI_P)
Ceramics
![AlN](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/P32-3_AlN_4.jpg?h=80961af6&itok=Z8D__Jjh)
AlN (Aluminum Nitride)
AlN is a material with high electric insulation and low dielectric constant.
![Mg-SiC](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/Mg-SiC-1.jpg?itok=sijPzvMG)
Mg-SiC (Magnesium-Silicon Carbide)
Standard materials are light-weighted and have a low coefficient of thermal expansion, 7.0 ppm, and high thermal conductivity, 230 W/(m・K).
![Al-SiC](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/Al-SiC.jpg?h=9318a1d5&itok=UVDV-jn8)
Al-SiC (Sintered Aluminum-Silicon Carbide)
Sintered Al-SiC is a heatspreader which can be processed in relatively complex shape such as “lid shape”. The specific gravity is 1/3 of Copper (Cu).