<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FOR THE THREE
MONTHS ENDED SEPTEMBER 27, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-27-1998
<CASH>                                      18,293,000
<SECURITIES>                                20,286,000
<RECEIVABLES>                               13,877,000
<ALLOWANCES>                                         0
<INVENTORY>                                 11,976,000
<CURRENT-ASSETS>                            66,834,000
<PP&E>                                     116,156,000
<DEPRECIATION>                              38,681,000
<TOTAL-ASSETS>                             153,006,000
<CURRENT-LIABILITIES>                        9,707,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       147,000
<OTHER-SE>                                 141,081,000
<TOTAL-LIABILITY-AND-EQUITY>               153,006,000
<SALES>                                     22,041,000
<TOTAL-REVENUES>                            22,041,000
<CGS>                                       21,758,000
<TOTAL-COSTS>                               21,758,000
<OTHER-EXPENSES>                             8,775,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (560)
<INCOME-PRETAX>                            (7,932,000)
<INCOME-TAX>                               (2,975,000)
<INCOME-CONTINUING>                        (4,957,000)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (4,957,000)
<EPS-PRIMARY>                                   (0.34)
<EPS-DILUTED>                                   (0.34)