<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Form 10-Q
for the quarter ended June 30, 1998 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> USD
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<EXCHANGE-RATE>                                      1
<CASH>                                           3,899
<SECURITIES>                                    15,632
<RECEIVABLES>                                   31,768
<ALLOWANCES>                                     1,001
<INVENTORY>                                     34,391
<CURRENT-ASSETS>                                94,058
<PP&E>                                         104,712
<DEPRECIATION>                                  48,681
<TOTAL-ASSETS>                                 187,924
<CURRENT-LIABILITIES>                           64,004
<BONDS>                                         33,819
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           140
<OTHER-SE>                                      85,644
<TOTAL-LIABILITY-AND-EQUITY>                   187,924
<SALES>                                         89,503
<TOTAL-REVENUES>                                89,503
<CGS>                                           57,591
<TOTAL-COSTS>                                   57,591
<OTHER-EXPENSES>                                50,786
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,557
<INCOME-PRETAX>                               (20,791)
<INCOME-TAX>                                   (4,138)
<INCOME-CONTINUING>                           (16,653)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (16,653)
<EPS-PRIMARY>                                   (1.19)
<EPS-DILUTED>                                   (1.19)