<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEETS AND CONDENSED CONSOLIDATED STATEMENTS OF
OPERATIONS CONTAINED IN THE COMPANY'S QUARTERLY REPORT ON FORM 10-Q FOR THE
QUARTER ENDED MARCH 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS AND THE NOTES THERETO.
</LEGEND>
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<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-30-1998
<CASH>                                          21,635
<SECURITIES>                                    41,777
<RECEIVABLES>                                    2,395
<ALLOWANCES>                                         0
<INVENTORY>                                      5,918
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<PP&E>                                          36,326
<DEPRECIATION>                                  13,505
<TOTAL-ASSETS>                                 104,760
<CURRENT-LIABILITIES>                           13,528
<BONDS>                                              0
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<COMMON>                                            20
<OTHER-SE>                                      85,886
<TOTAL-LIABILITY-AND-EQUITY>                    85,906
<SALES>                                              0
<TOTAL-REVENUES>                                18,134
<CGS>                                                0
<TOTAL-COSTS>                                   11,112
<OTHER-EXPENSES>                                     0
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<INCOME-PRETAX>                                      0
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<EPS-PRIMARY>                                     0.20
<EPS-DILUTED>                                     0.16