Today: A wide-ranging consolidation of the semiconductor industry engulfed three Silicon Valley companies on Wednesday, in separate deals involving Fremont-based Lam Research, Milpitas-based KLA-Tencor and Milpitas-based SanDisk. A wide-ranging consolidation of the semiconductor industry engulfed three Silicon Valley companies on Wednesday, in separate deals involving Fremont-based Lam Research, Milpitas-based KLA-Tencor and Milpitas-based SanDisk.