... Direct Bond Copper Alumina/AlN Substrates Metallized Ceramics, Thick film Ceramics, Thin film Ceramics, Direct Bond Copper, Al2O3 Substrates, AlN SubstratesELE Advanced Ceramics ... high power semiconductor modules in the near future.Metallized Ceramics, Thick film Ceramics, Thin film Ceramics, Direct Bond Copper, Al2O3 Substrates, AlN Substrates