<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                           8,899
<SECURITIES>                                    13,905
<RECEIVABLES>                                   14,243
<ALLOWANCES>                                         0
<INVENTORY>                                      8,381
<CURRENT-ASSETS>                                46,861
<PP&E>                                          43,905
<DEPRECIATION>                                 (9,812)
<TOTAL-ASSETS>                                  80,954
<CURRENT-LIABILITIES>                            7,616
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           146
<OTHER-SE>                                      70,796
<TOTAL-LIABILITY-AND-EQUITY>                    80,954
<SALES>                                         85,122
<TOTAL-REVENUES>                                85,122
<CGS>                                           42,186
<TOTAL-COSTS>                                   42,186
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 35,025
<INCOME-TAX>                                    12,936
<INCOME-CONTINUING>                             22,089
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    22,089
<EPS-PRIMARY>                                     1.51
<EPS-DILUTED>                                     1.50