Irvine Sensors Corp. (Nasdaq: IRSN), a Costa Mesa, Ca.-based microelectronics developer, has announced the receipt of preliminary court approval for the settlement of the securities class action pending against the company in the C.D. of Cal. The suit, originally filed in February 2002, alleges that the company made false and misleading statements concerning the prospects of its former Silicon Film subsidiary. The settlement is for $3.5 million, to be paid by the company’s insurance carrier.