<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND CONSOLIDATED BALANCE SHEETS ON
PAGE 3,4 AND 5 OF THE COMPANY'S FORM 10 Q FOR THE QUARTERLY PERIOD ENDING JULY
27, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          APR-30-1997
<PERIOD-START>                             MAY-01-1996
<PERIOD-END>                               JUL-27-1996
<CASH>                                          11,104
<SECURITIES>                                    21,176
<RECEIVABLES>                                   17,277
<ALLOWANCES>                                       250
<INVENTORY>                                     12,496
<CURRENT-ASSETS>                                54,097
<PP&E>                                          68,097
<DEPRECIATION>                                  39,198
<TOTAL-ASSETS>                                  93,590
<CURRENT-LIABILITIES>                            9,658
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        11,623
<OTHER-SE>                                      69,049
<TOTAL-LIABILITY-AND-EQUITY>                    93,590
<SALES>                                         28,910
<TOTAL-REVENUES>                                28,910
<CGS>                                           14,747
<TOTAL-COSTS>                                   14,747
<OTHER-EXPENSES>                                 9,963
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  4,550
<INCOME-TAX>                                     1,590
<INCOME-CONTINUING>                              2,960
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,960
<EPS-PRIMARY>                                      .26
<EPS-DILUTED>                                      .26