<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND STATEMENT OF EARNINGS FOR JANUARY 23, 1998 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1998
<PERIOD-START>                             JUL-26-1997
<PERIOD-END>                               JAN-23-1998
<CASH>                                           6,733
<SECURITIES>                                     3,775
<RECEIVABLES>                                    8,226
<ALLOWANCES>                                        74
<INVENTORY>                                     10,985
<CURRENT-ASSETS>                                31,681
<PP&E>                                          30,627
<DEPRECIATION>                                  19,523
<TOTAL-ASSETS>                                  51,502
<CURRENT-LIABILITIES>                            5,460
<BONDS>                                            703
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           630
<OTHER-SE>                                      44,173
<TOTAL-LIABILITY-AND-EQUITY>                    51,502
<SALES>                                         21,885
<TOTAL-REVENUES>                                21,885
<CGS>                                            9,379
<TOTAL-COSTS>                                    9,379
<OTHER-EXPENSES>                                12,712
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    292
<INCOME-TAX>                                        46
<INCOME-CONTINUING>                                246
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       246
<EPS-PRIMARY>                                      .04
<EPS-DILUTED>                                      .04