<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR                   YEAR
<FISCAL-YEAR-END>                          JUN-30-1999             JUN-30-1998             JUN-30-1997
<PERIOD-START>                             JUL-01-1998             JUL-01-1997             JUL-01-1996
<PERIOD-END>                               JUN-30-1999             JUN-30-1998             JUN-30-1997
<CASH>                                          29,963                  16,347                  18,216
<SECURITIES>                                     7,013                  26,308                  16,374
<RECEIVABLES>                                    4,558                   5,297                   6,213
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                      5,816                   7,725                  10,074
<CURRENT-ASSETS>                                49,171                  58,378                  54,550
<PP&E>                                          16,391                  16,313                  17,783
<DEPRECIATION>                                  14,927                  14,519                  16,062
<TOTAL-ASSETS>                                  51,582                  61,472                  57,652
<CURRENT-LIABILITIES>                            5,274                   5,755                   6,489
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                            72                      71                      69
<OTHER-SE>                                      46,236                  55,646                  50,592
<TOTAL-LIABILITY-AND-EQUITY>                    51,582                  61,472                  57,652
<SALES>                                         37,173                  45,053                  56,460
<TOTAL-REVENUES>                                37,173                  45,053                  56,460
<CGS>                                           17,517                  22,324                  30,443
<TOTAL-COSTS>                                   33,505                  40,810                  49,211
<OTHER-EXPENSES>                                 2,208                   3,314                 (1,377)
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                       0
<INCOME-PRETAX>                                  5,876                   7,557                   8,626
<INCOME-TAX>                                       960                   2,580                   3,865
<INCOME-CONTINUING>                                  0                       0                       0
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     4,916                   4,977                   4,761
<EPS-BASIC>                                       0.94                    0.70                    0.70
<EPS-DILUTED>                                     0.88                    0.70                    0.69


</TABLE>