<ARTICLE>                     5
<LEGEND>
         This schedule contains summary financial information extracted from the
consolidated balance sheet and the consolidated statement of earnings and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>                                     1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          JUN-30-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                          14,533
<SECURITIES>                                    19,184
<RECEIVABLES>                                    9,667
<ALLOWANCES>                                       200
<INVENTORY>                                      6,947
<CURRENT-ASSETS>                                52,895
<PP&E>                                          17,241
<DEPRECIATION>                                 (11,143)
<TOTAL-ASSETS>                                  59,781
<CURRENT-LIABILITIES>                            8,698
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           492
<OTHER-SE>                                      49,926
<TOTAL-LIABILITY-AND-EQUITY>                    59,781
<SALES>                                         38,343
<TOTAL-REVENUES>                                38,343
<CGS>                                           20,867
<TOTAL-COSTS>                                   31,022
<OTHER-EXPENSES>                                   228
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  7,732
<INCOME-TAX>                                     2,493
<INCOME-CONTINUING>                              5,239
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,239
<EPS-PRIMARY>                                     1.04
<EPS-DILUTED>                                     1.04