<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 1998 AND THE CONSOLIDATED STATEMENT OF OPERATIONS FOR THE SIX MONTHS ENDED JUNE 30, 1998. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 15,828 <SECURITIES> 8,426 <RECEIVABLES> 24,169 <ALLOWANCES> (196) <INVENTORY> 19,501 <CURRENT-ASSETS> 69,039 <PP&E> 66,850 <DEPRECIATION> (38,215) <TOTAL-ASSETS> 140,205 <CURRENT-LIABILITIES> 27,875 <BONDS> 11,958 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 132,676 <OTHER-SE> (32,304) <TOTAL-LIABILITY-AND-EQUITY> 140,205 <SALES> 51,555 <TOTAL-REVENUES> 51,555 <CGS> 35,951 <TOTAL-COSTS> 62,690 <OTHER-EXPENSES> (54) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 748 <INCOME-PRETAX> (10,220) <INCOME-TAX> 65 <INCOME-CONTINUING> (10,285) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (10,285) <EPS-PRIMARY> (1.10) <EPS-DILUTED> (1.10)