<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 49,024 <SECURITIES> 56,802 <RECEIVABLES> 15,545 <ALLOWANCES> 0 <INVENTORY> 14,986 <CURRENT-ASSETS> 156,197 <PP&E> 132,607 <DEPRECIATION> (25,222) <TOTAL-ASSETS> 276,271 <CURRENT-LIABILITIES> 43,962 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 77 <OTHER-SE> 67,776 <TOTAL-LIABILITY-AND-EQUITY> 276,271 <SALES> 87,630 <TOTAL-REVENUES> 101,145 <CGS> 68,263 <TOTAL-COSTS> 78,766 <OTHER-EXPENSES> 2,383 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 10,385 <INCOME-TAX> 3,084 <INCOME-CONTINUING> 7,301 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (109) <EPS-PRIMARY> ($0.01) <EPS-DILUTED> ($0.02)