<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> SEP-30-1998 <CASH> 6,921 <SECURITIES> 35,159 <RECEIVABLES> 2,799 <ALLOWANCES> 954 <INVENTORY> 11,862 <CURRENT-ASSETS> 62,651 <PP&E> 24,085 <DEPRECIATION> 14,121 <TOTAL-ASSETS> 84,528 <CURRENT-LIABILITIES> 22,221 <BONDS> 3,204 <PREFERRED-MANDATORY> 0 <PREFERRED> 10 <COMMON> 484 <OTHER-SE> 57,893 <TOTAL-LIABILITY-AND-EQUITY> 84,528 <SALES> 6,331 <TOTAL-REVENUES> 61,367 <CGS> 10,644 <TOTAL-COSTS> 10,644 <OTHER-EXPENSES> 12,184 <LOSS-PROVISION> 63 <INTEREST-EXPENSE> 274 <INCOME-PRETAX> 24,300 <INCOME-TAX> 4,920 <INCOME-CONTINUING> 19,380 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 19,380 <EPS-PRIMARY> .40 <EPS-DILUTED> .39