Patent ID: 7586177

Claim:
A semiconductor-on-insulator semiconductor wafer comprising: a first semiconductor substrate; a first insulating layer including a first material selected from a group consisting of SiO 2 , Si 3 N 4 , poly Si, and combinations thereof on a surface of the first semiconductor substrate, the first insulating layer having a first predetermined stress; a second semiconductor substrate; a second layer including a first material selected from a group consisting of TiSi 2 , CoSi 2 , TaSi 2 , rare earth oxides, rare earth nitrides, rare earth phosphides, rare earth silicides, and combinations thereof on a surface of the second semiconductor substrate, the second layer having a second predetermined stress different than the first predetermined stress; the first insulating layer being bonded to the second layer to form a composite insulating layer bonding the first semiconductor substrate to the second semiconductor substrate; and a portion of one of the first semiconductor substrate and the second semiconductor substrate being removed to form a thin crystalline active layer on the composite insulating layer.