<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>                   6-MOS
<FISCAL-YEAR-END>                              JUN-30-1996
<PERIOD-END>                                   DEC-31-1995
<CASH>                                              27,373
<SECURITIES>                                         7,008
<RECEIVABLES>                                        6,045
<ALLOWANCES>                                           160
<INVENTORY>                                          6,352
<CURRENT-ASSETS>                                    48,589
<PP&E>                                              16,714
<DEPRECIATION>                                      11,055
<TOTAL-ASSETS>                                      54,972
<CURRENT-LIABILITIES>                                6,395
<BONDS>                                                  0
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<COMMON>                                               488
<OTHER-SE>                                          47,424
<TOTAL-LIABILITY-AND-EQUITY>                        54,972
<SALES>                                             23,994
<TOTAL-REVENUES>                                    23,994
<CGS>                                               13,195
<TOTAL-COSTS>                                       19,926
<OTHER-EXPENSES>                                       144
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                       0
<INCOME-PRETAX>                                      4,182
<INCOME-TAX>                                         1,464
<INCOME-CONTINUING>                                  2,718
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                         2,718
<EPS-PRIMARY>                                          .57
<EPS-DILUTED>                                          .57