(Druham)Conference on Insulating Films on Semiconductors (Erlangen)Conference on Insulating Films on Semiconductors Conference on Insulating Films on Semiconductors Insulating films on semiconductors Insulating films on semicoductors Insulating Films on Semiconductors International conference on the physics of semiconductors International Conference on Recombination in Semiconductors International Conference on Defects and Rsdiation Effects in Semiconductors International Conference on hot Carriers in Semiconductors