Metal-ceramic substrate for electronics switches or modules comprises a ceramic layer containing aluminum oxide, zirconium oxide and yttrium oxide with a copper foil or layer formed on both sides

摘要

Metal-ceramic substrate (1) comprises a ceramic layer (2) containing 91-98 weight % Al2O3, 2-9 weight % ZrO2 and 0.04-1 weight % Y2O3 with a copper foil (3, 4) or layer formed on both sides. The adhesive strength of the metal foil is more than 40 N/cm.