<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE QUARTERLY PERIOD ENDED JUNE 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL INFORMATION. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> APR-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 34,737 <SECURITIES> 0 <RECEIVABLES> 15,537 <ALLOWANCES> 600 <INVENTORY> 17,349 <CURRENT-ASSETS> 72,649 <PP&E> 42,069 <DEPRECIATION> 18,068 <TOTAL-ASSETS> 102,054 <CURRENT-LIABILITIES> 9,976 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 42,560 <OTHER-SE> 47,180 <TOTAL-LIABILITY-AND-EQUITY> 102,054 <SALES> 88,909 <TOTAL-REVENUES> 88,909 <CGS> 69,680 <TOTAL-COSTS> 69,680 <OTHER-EXPENSES> 6,182 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 13,831 <INCOME-TAX> 5,809 <INCOME-CONTINUING> 8,022 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 8,022 <EPS-PRIMARY> .90 <EPS-DILUTED> .86