<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 10-K
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          APR-30-2000
<PERIOD-START>                             MAY-01-1999
<PERIOD-END>                               JAN-30-2000
<CASH>                                          19,965
<SECURITIES>                                     7,041
<RECEIVABLES>                                   13,900
<ALLOWANCES>                                     1,093
<INVENTORY>                                     15,272
<CURRENT-ASSETS>                                68,331
<PP&E>                                          46,136
<DEPRECIATION>                                  28,509
<TOTAL-ASSETS>                                  17,627
<CURRENT-LIABILITIES>                           18,197
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        67,225
<OTHER-SE>                                      14,494
<TOTAL-LIABILITY-AND-EQUITY>                   100,413
<SALES>                                         58,494
<TOTAL-REVENUES>                                58,494
<CGS>                                           34,967
<TOTAL-COSTS>                                   34,967
<OTHER-EXPENSES>                                10,972<F1>
<LOSS-PROVISION>                                   150<F2>
<INTEREST-EXPENSE>                                   8
<INCOME-PRETAX>                                (3,001)
<INCOME-TAX>                                     (741)
<INCOME-CONTINUING>                            (2,260)
<DISCONTINUED>                                 (3,069)
<EXTRAORDINARY>                                      0
<CHANGES>                                        (989)<F3>
<NET-INCOME>                                   (6,318)
<EPS-BASIC>                                        .53
<EPS-DILUTED>                                      .53
<FN>
<F1>Research and Development
<F2>Provisions for Bad Debt
<F3>Cummulative Effect of Accounting Change
</FN>