<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM cONSOLIDATED FINANCIAL
STATEMENTS FORM 10-Q 04/30/00 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUL-31-2000
<PERIOD-START> AUG-01-1999
<PERIOD-END> APR-30-2000
<CASH> 10,483
<SECURITIES> 35,857
<RECEIVABLES> 7,874
<ALLOWANCES> 145
<INVENTORY> 11,493
<CURRENT-ASSETS> 67,127
<PP&E> 19,602
<DEPRECIATION> 14,894
<TOTAL-ASSETS> 77,148
<CURRENT-LIABILITIES> 12,288
<BONDS> 0
0
0
<COMMON> 735
<OTHER-SE> 62,907
<TOTAL-LIABILITY-AND-EQUITY> 77,148
<SALES> 40,950
<TOTAL-REVENUES> 40,950
<CGS> 29,080
<TOTAL-COSTS> 38,072
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 99
<INCOME-PRETAX> 3,414
<INCOME-TAX> 1,246
<INCOME-CONTINUING> 2,168
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,168
<EPS-BASIC> .42
<EPS-DILUTED> .38
</TABLE>