<ARTICLE> 5 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <EXCHANGE-RATE> 1 <CASH> 29,248 <SECURITIES> 4,236 <RECEIVABLES> 17,467 <ALLOWANCES> (479) <INVENTORY> 9,469 <CURRENT-ASSETS> 64,086 <PP&E> 24,737 <DEPRECIATION> 7,659 <TOTAL-ASSETS> 103,420 <CURRENT-LIABILITIES> 12,629 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 8 <OTHER-SE> 87,982 <TOTAL-LIABILITY-AND-EQUITY> 103,420 <SALES> 51,790 <TOTAL-REVENUES> 51,790 <CGS> 25,397 <TOTAL-COSTS> 47,693 <OTHER-EXPENSES> (989) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (109) <INCOME-PRETAX> 3,583 <INCOME-TAX> 3,733 <INCOME-CONTINUING> (150) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (150) <EPS-PRIMARY> (0.02) <EPS-DILUTED> (0.02)